Perú


Andean rock art and apophenia: from the macro to the micro

Maarten van Hoek rockart@home.nl  

 

Introduction

With great interest I have read the various internet messages in the ROCK-ART List by Johnny Rubio Sosaya (2011) involving the phenomenon of pareidolia and the subsequent commentaries by several people on the ideas and suggestions put forward by Johnny. In a nutshell, Johnny Sosaya, a professional land surveyor, argues that rock art was ‘not randomly engraved on rock surfaces, but in fact placed there by prehistoric men where their imaginations were enchanted by representative images they saw on the natural geological landscape, or panel. Like the images some of us see on cloud and rock formations, so did ancient individuals see such images’ (Sosaya 2005). In this paper I will investigate this phenomenon within an Andean context in order to attest the validity of his claims. But first it will be necessary to separate and explain two terms.

Pareidolia is a psychological phenomenon involving a vague and random stimulus (often an image or sound) being perceived as significant (Wikipedia), while apophenia is the experience of seeing meaningful patterns or connections in random or meaningless data (Wikipedia). If I interpret these two definitions correctly, pareidolia seems to involve the internal stimulus (which is neurological), while apophenia concerns the external result of that stimulus, which produces the - often subjectively created - interpretation: the image. Therefore, it seems to be more correct to speak of apophenia when somebody points my attention to a rock formation that in his or her mind resembles a ‘face’, at least, when I also ‘recognise’ that rock formation as a ‘face’. I now argue that the result of apophenia can be transmitted to other people. In this way a Peruvian tour operator once drew my attention to a bottle-shaped formation on the west facing slope of ‘Cerro Botella’ in the Chicama Valley of northern Peru (the name ‘Cerro Botella’ probably is a local ‘invention’; the name itself is untraceable on the maps that I have available). On the slope of the hill side indeed is a natural area of darker material that is shaped like a bottle (botella). It is even visible with Google Earth: 727859.42 m O - 9155982.08 m Z). Although ‘Cerro Botella’ is situated between two rock art sites (Cerro Negro to the SE and La Firma del Diablo to the north), any link between the two (rock art sites and the natural formation) is imaginary; the ancient Andeans probably did not know this type of bottle and therefore may not even have noticed this particular natural shape, or perhaps they have interpreted it completely differently. But this does not mean that there never is a link between rock art and natural rock formations. In this paper I will explore whether the effect of apophenia may have triggered rock art production and whether it also occurs in the rock art itself.

Several articles have been written about the subject of pareidolia and ([Andean] rock) art (for instance Bustamante 2006, 2007 and 2008; Bustamante et al. 2011; Campana Delgado 2004; Meschiari 2009; 2011). But it is not my intention to review or comment all aspects of this interesting subject here. However, one comment on the messages by Johnny Sosaya drew my attention. Allan Dart (2011) notably commented ‘I do not consider such formations to be in the same category as human-created symbols and art, or to be very useful for interpreting why humans create such symbols.’.  I definitely agree with Allan Dart that natural rock formations are not ‘in the same category as human-created symbols and art’, but I refute the idea that those natural rock formations cannot ‘be very useful for interpreting why humans create such symbols’. His comment seems to me as ‘closing an interpretative door (shut?)’. On the contrary, I argue that natural rock formations (no matter the scale) can be appreciated and accepted by both individuals and cultural groups as if these formations belong to their culture. I am certain that this also happened in prehistoric times, and for several reasons this process was much more powerful than in modern times. Today we often regard instances of pareidolia as ‘fun’. To many ancient peoples the phenomenon probably was an important part of their religion and cosmology. A ‘face’ in a rock formation in modern times will be more likely accepted as a ‘pun’, while the identification of the same ‘face’ in prehistoric times most likely will have had a high degree of religious relevance and may often have been ‘fear-generated’.

I personally think that - in various postings on the internet - Johnny Sosaya has offered enough graphic material to make it most acceptable that there are links between rock art production and natural rock formations (no matter the scale). In this respect it is also irrelevant to me whether such associations are ‘individually’ or ‘culturally’ generated or explicable. In my opinion those two factors can never be separated; both factors (together with ergonomics and possibly other dynamics) determine the final result (selection of the image, the stone, the site etc.).

Having said this I would like to consider several natural rock formations that are associated with rock art in the Andes of South America. In this review I argue that such associations may occur on macro-level (the landscape the rock art site is found in), on meso-level (the shape of the rock itself) and on micro-level (natural details on parts of the rock surface). In this paper I only offer a selection of cases. There certainly will be many more instances that are still unknown (to me) or have not yet been recognised.

Of course, especially the macro- and meso-levels are subject to - literally and metaphorically - the point of view of the observer. Literally, as from one angle the effect of apophenia will be visible, while observing the same spot or stone from another angle will reveal nothing special.

Thomas Munro (1970: 344) called this ‘single-viewpoint realism’ or ‘single-viewpoint perspective’, which is described by him as ‘the ability to represent a scene as if perceived as a whole from one point in space at one moment of time under one set of atmospheric and lighting conditions’.

Metaphorically, because it is the mind of the observer who ‘determines’ (both on individual basis and because of cultural influences) what he or she ‘sees’ - or perceives - in a certain natural rock formation. It is not to me to judge what another person perceives in a rock formation. What he or she sees, is what he or she sees. What I can do however, is to access the degree of probability that indeed the manufacturer of the rock art also has seen the ‘same’ or ‘similar’ image in a rock formation and that he or she selected that very spot and/or rock (panel) for his or her ‘rock art’ for that specific reason. It is important to realise that, although both the manufacturer and the modern observer may literally have seen a ‘bird’ in a rock formation or in an arrangement of rocks, this does not mean that the metaphorical content will be the same.

The Macro-level

In the Andes (and elsewhere) many natural rock formations may be recognised, or rather interpreted as humans (Hostnig 2010: Plate 560) or (human) faces (Hostnig 2010: Plate 597), penises (Hostnig 2010: Plates 562; 593), animal shapes (Hostnig 2010: Plate 576) or whatever one thinks to recognise. Importantly, apophenia very often seems to recognise ‘faces’ in whatever ‘chaotic’ medium in favour of other pictures. Consequently, several examples of a ‘Cara del Inca’, or, alternatively, a ‘Rostro del Cristo’, have been reported in the Andes. As many of those instances have been reported in or very near the river valleys in the Andes, it is logical that also rock art may be present nearby. This combination occurs for example in the Majes Valley of southern Peru. The Majes Valley is very rich in rock art (for example at Toro Muerto and Alto de Pitis). Just north of the town of Aplao is an example of a naturally formed ‘Rostro del Cristo’ (Panoramio), but I refute that there is any connection between the prehistoric rock art of the area and this modern example of apophenia.

This does not mean however that - in general - ancient people have not been attracted by specific features in the natural landscapes and consequently executed their images into or onto the rock surfaces of the area because of the specific shape of the landscape or their individual rock formations. For instance, the petroglyph site of La Laja in the Majes Valley (opposite Aplao) overlooks an impressive ‘field’ of rock pinnacles. Unfortunately such a connection - as with La Laja - can never been proven, also as there are too few (reported) instances that prove such a connection. What I am concerned about however, is the degree of probability.

Interestingly, in several cases the probability of intent is very high. In one of his letters on the internet Johnny Sosaya (2011) included a photograph of (part of) a landscape in New Mexico, in the SW of the USA. It concerns a cliff face in Chaco Canyon which features three ‘caves’ that are so ‘arranged’ that the whole assembly will immediately be interpreted as a ‘face’ by most people (the adjacent rock formation to its right - seen from the observer - may also be regarded as a ‘face’). Importantly, the ‘mouth-cave’ and a rock panel to its left have been adorned with petroglyphs. This ‘face’ literally (and metaphorically?) overlooks the ruins of an ancient settlement. Because of his special interest in the subject Johnny Sosaya intentionally and specifically photographed this ‘face’ at Chaco Canyon as early as 2005 (Figure 1). This does not mean however that he has also been the very first person to appreciate the arrangement as a ‘face’. Most likely the manufacturer(s) of the petroglyphs preceded him. Also the petroglyph panel to the left of the ‘mouth’ has been interpreted as a ‘face’ by Johnny Sosaya, but I regard this as a (possible) example on meso-level.

Figure 1. Sandstone cliff in Chaco Canyon, New Mexico, USA.
Photograph (2005) by J. R. Sosaya.

I would like to offer a similar instance of the macro-level in the Andes. West of Cajamarca in northern Peru is the impressive landscape of Cumbemayo, consisting of a ‘forest’ of rock pinnacles and other formations. One of those rock formations - Cerro del Santuario de Cumbemayo - can be perceived as a huge ‘face’ with ‘eyes’, ‘nose’ and a ‘mouth’. Peruvian archaeologist Ignacio Alva Meneses has aptly labelled this rock formation ‘La Cabeza del Indio’ - the ‘Head of the Indian’ (Panoramio). Importantly, the ‘mouth’ actually is a small cave or rock shelter - large enough to allow an adult to stand upright - that has been lavishly decorated by numerous petroglyphs (Núñez Jiménez 1986: 293). There are more caves or rock shelters at Cumbemayo not forming a ‘face’, but - as far as I know - these have not been reported to have rock art.


The Meso-level

The meso-level considers the rock or rock panel as isolated from the landscape and the other stones in the area. This means that the natural shape of a single boulder or the natural shape of a panel (or a series of adjacent panels) may trigger the effect of apophenia. Besides the already mentioned point of observation, another factor often plays an important role, notably the angle with which the sun (or moon) illuminates the stone or panels, in which both illuminated parts and the dark parts may play an equally important role.  

A fine example is the ‘bird’s’ head at Bogotalla in the Ingenio Valley of southern Peru (Van Hoek 2011c). Only from one point of observation (only when viewed from the south) this rock (BOG-001) clearly resembles a large, agnatic ‘bird’s’ head. All other points of view result in perceiving ‘meaningless’ appearances of the rock (at least to me). In addition to the alleged biomorphic shape of the south face of the rock there is another interesting feature. There is a large natural depression on the smooth surface of the south facing panel. Remarkably, this depression looks like a large ‘eye’ (Figure 2), but only in combination with the ‘bird’s’ head. Moreover, the light of the sun, especially at certain times of the year and especially around noon, casts a dark shadow over the upper part of the natural depression, creating the effect of an ‘eccentric pupil’ above the more clearly illuminated lower part of the depression.

 

Figure 2. Petroglyph Boulder BOG-001 at Bogotalla, Peru. Photograph by Maarten van Hoek.

Two facts are important. In coastal desert areas of the Andes birds (of prey) played an important role in the cosmology of the ancient societies. It is therefore highly probable that an individual ‘perceived’ this boulder at Bogotalla (which is usually approached from the south; from the valley) as a ‘bird’s’ head. There are more boulders in the Desert Andes that may have been perceived as ‘bird’s’ heads. An example is the well known ‘main’ petroglyph boulder at Quebrada de los Boliches in northern Peru. This large boulder (BOL-001) has two natural depressions that seem to represent the ‘eyes’ of a large, agnatic ‘bird’s head’ that appears to be situated in a ‘tilted’ position. However, only at a certain time (day and year) and on a sunny day this ‘bird’s’ head is revealed (Figure 3). I have seen many photos of this boulder that do not show this effect. Importantly, this boulder has numerous petroglyphs on four panels, while the upper panel features a large ‘bird’ (!?) design that most likely dates from the Formative Period of this part of the Andes (roughly from 2000 B.C. to A.D. 0). Also a large boulder (now unfortunately severely damaged) at La Puntilla in northern Peru may have been selected by the prehistoric petroglyph manufacturer because of the resemblance with a ‘bird’s' head. Unfortunately I have not been able to locate this boulder when I visited the site, but photos of this boulder can be found on the internet (Panoramio). Importantly, this ‘bird’s head’ effect can be appreciated from both sides. Moreover, the effect is enhanced by a large anthropic petroglyph of a circle on both sides, located at the spots where the ‘eyes’ would have been located.

Figure 3. Petroglyph Boulder BOL-001 at Quebrada de los Boliches, Peru. Photograph by Maarten van Hoek.

Secondly, in the Formative Period of the northern Andes, agnatic biomorphs have frequently been depicted in many different contexts (rock art and architectural art, ceramics etc). Possibly to confirm the recognition and significance of this ‘bird’s’ head, a prehistoric manufacturer pecked out an agnatic (!) ‘face’ in the MSC-style (and some other petroglyphs) on the face of the ‘bird’s’ head. The MSC-style - an acronym introduced by me (Van Hoek 2011a) - is an iconographic style that is most characteristic for the Formative period in the northern Andes - it usually and incorrectly is referred to as the ‘Chavín-style’. This petroglyph production on Boulder BOG-001 seems - at least to me - to be highly intentional and is firmly associated with the ‘bird’s’ shape of the south face. I also argue that - later - this sacred stone/site was sanctified even more by the manufacturing of petroglyphs on several smaller boulders that surround the ‘bird’s’ head.

An interesting analogy is found much further north, at Cooks Peak in New Mexico, USA. In one of his messages on the internet Johnny Sosaya (2011) claimed that a ‘configuration’ composed of specific parts of a randomly arranged group of four boulders at this site could be interpreted as a ‘bird’. At first sight all boulders involved seem to be amorphous, as well as the natural arrangement of the four boulders. However, when illuminated by the sun at a certain time, a concatenated series of small side panels, which receive no sunlight, in combination with the illuminated planes of the surrounding boulders, the ‘dark’ image of a ‘bird’ may be perceived (Figure 4). The effect of perceiving an image in this randomly arranged group of boulders is what Robert Bednarik (2010: 263) probably would also label as ‘clustering illusion’ (apophenia). Importantly, Johnny Sosaya informed me that there is only one ‘vortex’ point within the field of view where the camera can be situated in order to capture the image and that even the distance to the configuration is decisive in order to fully appreciate the ‘bird’ (2011 pers. comm.).

   

Figure 4. Petroglyph boulders at Cooks Peak, New Mexico, USA. Photograph by J. R. Sosaya.  


 
Figure 5. The ‘eye’ petroglyph on one of the boulders at Cooks Peak, New Mexico, USA. Photograph by J. R. Sosaya.

In this discussion I consider it most important that one of the rock panels that ‘compose’ the ‘bird’ bears a petroglyph that is shaped like an ‘eye’ (Figure 5). Although the petroglyph may represent something else because it has several short appendages (legs?) in the typical Jornada Mogollon style, this does not distract from the point raised by Johnny Sosaya that this arrangement of darker areas may represent a ‘bird’. Most important in this discussion is the placement of the ‘eye’ petroglyph. It is notably placed exactly at the spot where the eye of the ‘bird’ could have been expected. This seems to indicate a high degree of intent and simultaneously seems to confirm that the darker parts, seen from one specific angle at a certain time of the day (and year) have been interpreted as a ‘bird’ by the prehistoric manufacturer as well. Petroglyphs of ‘birds’ that have similarly been drawn, occasionally occur in Jornada Mogollon rock art. Possibly the ‘bird’ represents a ‘hummingbird’; creatures that in the SW of the USA sometimes are associated with fertility and stillbirth (Slifer 2000: 130).

On the adjacent boulder is the petroglyph of a laterally depicted anthropomorph, in a possible ‘praying’ position (Sosaya 2011), part of which is visible in Figure 4. The whole ‘scene’ might be interpreted as ‘a person showing reverence to a bird’. However, associations between clearly separated rock art motifs are often hard to prove. It is therefore not certain if indeed there is an association between the ‘bird’ and the anthropomorph. Although both the anthropomorph and the ‘bird’s eye’ are definitely of Jornada Mogollon manufacture, they need not necessarily be contemporary. However, discussing the Jornada Mogollon style rock art Polly Schaafsma (1980: 199) argues that ‘Superimpositions are not usual, and this factor, along with the decorative aspects of the figures and their occasional placement in strategic locations for dramatic effect, suggests that part of their function was in the viewing after their manufacture’. These observations also point to a high degree of intent of specific petroglyph production by the Mogollon people(s).  

It proves that often it is decisive at what time of the day a rock art site is being visited and that simultaneously one has to be aware of the phenomenon of apophenia. For instance, I have visited Alto de la Guitarra in northern Peru, but I did not experience a single instance of apophenia at that occasion. Moreover, at that time I was not aware of that possibility that rocks could have been selected by prehistoric petroglyph manufacturers because of the natural (biomorphic) shapes of those rocks, even though (much) earlier I had many experienced instances of apophenia at many other occasions (seeing ‘faces’ etc in all sorts of media - tiles, trees, clouds etc). Unfortunately, at the time of my visit I had no knowledge of the  interesting publication by Cristóbal Campana Delgado (2004) in which he reported several boulders at Alto de la Guitarra that are shaped like a ‘fish’, a ‘toad’, a ‘serpent’, a ‘bird’s’ head and a ‘feline’. Several of those boulders also bear petroglyphs. It is also necessary to mention here that Alto de la Guitarra is a major petroglyph site with many MSC-style images from the Formative Period.  

Campana Delgado (2007) also describes a boulder at Alto de la Guitarra that he perceived as a large agnatic ‘head’ with large, shallow natural cavities in which petroglyphs of ‘eyes’ have been added at the ‘right’ places. Superimposed upon this ‘face’ is a large petroglyph of an anthropomorph (El Prisionero del Tiempo) of which one half is illuminated in the morning, the other half in the afternoon. Campana Delgado was one of the first rock art investigators who argued that specific stones in the Andes were especially selected to be ‘decorated’ with petroglyphs because of the natural (biomorphic) shape of those stones.  

It seems that the ‘eye’ is an important feature in (Formative Period?) Andean rock art production. This seems to be confirmed by a most interesting boulder at Quebrada de Los Boliches in northern Peru. This boulder (BOL-011) has a typical natural ‘pyramid’ shape (it is not a ‘menhir’ as suggested by Núñez Jiménez [1986: Fig. 26]). I suggest that this boulder has been selected because of its resemblance with some of the surrounding mountain peaks and in order to confirm this (possible) relationship the prehistoric petroglyph manufacturer decorated the apex of the stone with at least seven (possibly nine) concentric grooves. Other panels of the ‘mountain stone’ also have petroglyphs. However, after having wandered around for some time at the site, my wife Elles pointed out something remarkable to me. What seems to be unnoticed up to now is the fact that the almost vertical south face of the ‘mountain stone’ (panel BOL-011A) features two cupules that are so arranged near the top that they immediately give the impression of two ‘staring eyes’ (Figure 6). This effect is only visible at certain times of the day and year.

 

Figure 6. Petroglyph Boulder BOL-011A at Quebrada de los Boliches, Peru. Notice the resemblance between the contour of the boulder and the mountain beyond. Photograph by Maarten van Hoek.

Another site in the north of Peru where the ‘eye’ may play an important role is Cerro Mulato, a huge site with possibly millions of undecorated boulders. Although only a very small fraction of this enormous collection of boulders on this small hill bears petroglyphs, more than 500 boulders have been recorded by me. Several of those images are of the typical MSC-style. However, very few boulders (if any) seem to be selected because of their biomorphic shape. Boulders definitely shaped like (part of) a biomorph have not been recognised by me, although a few stones at Cerro Mulato might once have been appreciated ‘bird’s (?) heads’. It concerns the possible profile ‘face’ of a ‘bird’ formed by the shaded parts of panel A of Boulder CMa-497, while the large circle may have been intended to represent the ‘eye’ (Figure 7) and the possible profile ‘face’ with a natural ‘eye’ on panel CMa-502 (Figure 8). Boulder CMn-229 also may be perceived as a ‘bird’s’ head (Figure 9). It has three areas with petroglyphs. The faint petroglyph placed in the purported ‘eye’ area might intentionally focus on the ‘eye’ of the natural biomorphic shape, but this is uncertain.

 

Figure 7. Petroglyph Boulder CMa-497at Cerro Mulato, Peru. Photograph by Maarten van Hoek.  

 

Figure 8. Petroglyph Boulder CMa-502 at Cerro Mulato, Peru. Photograph by Maarten van Hoek.  

 

Figure 9. Petroglyph Boulder CMn-229 at Cerro Mulato, Peru. Photograph by Maarten van Hoek.

In an interesting article David Ayasta Vallejo, Wilfredo Bastidas Vallejos & Lourdes Falla Vasquez discuss at least three natural rock formations (litoesculturas) at Cerro Mulato that have been ‘recognised’ by them as the representations of a giant ‘fish’ (2011: Fig. 19), a ‘condor’ (2011: Fig. 17) and of a ‘feline’ (2011: Fig 26 and 27). Although they claim that the ‘fish’ at Cerro Mulato is a unique example in northern Peru (‘es un caso único de representación ictiológica en granito en el área andina’), they do not seem to have been aware of the publication of Cristobal Campana Delgado (2007: Fig 6b) who previously reported a ‘fish’-shaped boulder at Alto de la Guitarra. Unfortunately, most of the photographs in their internet-paper (2011) are too small and too blurred to be scientifically useful, and as I have not seen (or recognised) those rock formations, I cannot warrant the authenticity of those three ‘litoesculturas. Their findings only confirm that people often perceive zoomorphic shapes in rock formations and this possibly confirms the relationship between apophenia and rock art production (at least at Cerro Mulato).  

Not far from Cerro Mulato is another interesting rock art site called Las Piedras Negras. It has only a few petroglyph rocks, but two boulders are possibly relevant. The Las Piedras Negras site consists of two low eminences of greyish-black boulders/outcrops (hence the name). The northern - and slightly higher - of the two hillocks also has a number of reddish boulders at the NW side. One of those reddish boulders can easily be perceived as a large ‘bird’s’ head. Remarkable is the large natural depression that again will be perceived as the ‘eye’ (Figure 10). Although I could only detect a very faint and doubtful petroglyph on its smooth surface (above the curved ‘beak’), its proximity to definite petroglyph rocks may be significant.  

 

Figure 10. Boulder at Las Piedras Negras - El Progreso, Peru. Photograph by Maarten van Hoek.  

But there is more. When approaching the northern eminence at Las Piedras Negras from the south one may encounter a large grey in situ boulder with an almost vertical, SW facing panel. This panel has a ‘bas-relief’ that very much looks like the ‘framed’ profile depiction of a zoomorph (Figure 11). As I could not see any anthropic markings on the rock surface (but I am not an professional archaeologist and only rely on naked eye observations and photography), I assume that this ‘zoomorph’ represents a natural formation. Yet the ‘image’ may have been worked on (beyond recognition, as the rock art at this site is very old). It probably dates to the Formative Period as well as at least three of the petroglyphs at this site again are of the MSC-style (Van Hoek 2011a: 96; Fig: 92). It is not far fetched to suggest that this ‘zoomorphic’ rock could have triggered the ancient petroglyph production at this site, even when there is some distance between the ‘zoomorphic’ panel and the major petroglyph concentration farther to the north, on the actual hillock.  

 

Figure 11. Boulder without petroglyphs (?) at Las Piedras Negras - El Progreso, Peru. Photograph by Maarten van Hoek.

Additional ‘evidence’ at two other sites in northern Peru seems to confirm the idea that natural rock formations and rock art are associated. The first example occurs at Tolón in the Jequetepeque Valley. This large, sandy area has at least 15 petroglyph boulders; most of these scattered wide apart. Importantly, most of the petroglyph stones feature MSC-style designs that are clearly from the Formative Period. At least 14 stones have been described by Bracamonte Lévano & Pasapera Rojas. (2008), but they do not mention or illustrate an undecorated boulder that shows an important aspect when is approached from the SE. It is a large boulder with three large cavities on the vertical SE facing surface that immediately give the impression of a ‘face’ (Figure 12). Although an association of this ‘face’ with the petroglyphs at Tolón can never be verified, it is remarkable that again a natural ‘face’ is found in a boulder field with Formative Period petroglyphs.

 

Figure 12. Boulder without petroglyphs (?) at Tolón, Peru. Photograph by Maarten van Hoek.

The second example is found at Yonán, an important rock art site, also in the Jequetepeque Valley. When approaching the site from the north (from the valley), a large formation of two rocks, one with two large cavities is visible. These two stones form the very beginning of a chaos of boulders and outcrop surfaces that bear hundreds of petroglyphs. The two adjacent cavities in the uppermost boulder clearly form the ‘eyes’ while the dark part of a long, decorated boulder further below may be interpreted as a ‘mouth’. Campana Delgado & Deza Medina (2006: 59 - 60) describe the rock formation as follows: en la parte más baja, donde hay dos piedras superpuestas que conforman - casualmente - un rostro humano, al que los lugareños lo conocen como ‘la calavera’ o ‘el mono’. For a good photograph of this ‘monkey face’ I refer to Fig. 3 by Campana Delgado & Deza Medina (2006). Importantly in the scope of this article is that I probably was the first to report a small number of clearly MSC-style petroglyphs from the Formative Period at this site (Van Hoek 2011a: 90; Fig. 82), while Campana Delgado & Deza Medina (2006: Fig. 2) have illustrated an impressive Formative Period MSC-style petroglyph at Cerro Yonán (a different rock art site across the dry valley to the west of Yonán).  

The Micro-level

On micro-level natural features on or in the rock surface are considered, disregarding the shape of the whole boulder or panel. It is a fact that prehistoric manufacturers of rock art sometimes included natural features into their anthropic designs (for an example at Checta, Peru, see Van Hoek 2010), but that is not the same as recognising biomorphic shapes or other images in those rock features as this practice does not involve the effect of apophenia. I hereby offer three examples of natural features that seem to have been included into an anthropic design (on purpose?) and will access their probability of being examples of apophenia.  

On panel MIN-011 at Miculla (in the extreme south of Peru) is the petroglyph of an anthropomorph with raised arms (Figures 13 and 14). Those arms seem to have been intentionally placed precisely below a somewhat higher area of the boulder, thus creating the impression as if this ‘Atlas’ person is carrying the ‘world’ (my interpretations). To me this is not an example of apophenia (although it might have been to the manufacturer).

 

Figure 13. Petroglyph boulder MIN-011 at Miculla, Peru. Photograph by Maarten van Hoek.  

 

Figure 14. Petroglyph boulder MIN-011 at Miculla, Peru. Drawing by Maarten van Hoek.

Somewhat more ambivalent is the petroglyph of the ‘monkey’ on panel JUA-024 at Quebrada de San Juan in northern Peru. This ‘monkey’ image uses a small but natural raised area of stone as its ‘head’ (Figures 15 and 16). I have argued before (Van Hoek 2007a) that this natural disc may have been worked on to produce a more circular shape. I have also argued that possibly the ‘head’ originated first and that the body of the ‘monkey’ was added at a later stage. It is possible, but impossible to prove, that natural features (for instance small depressions) in the naturally formed disc were accidentally so arranged that the impression of a ‘face’ originated. If this is so, then it could be an instance of apophenia. The prehistoric manufacturer could have recognised this potential as well and turned the natural disc into a ‘face’, ‘head’ or ‘mask’. Although no certain Formative Period images of the MSC-style occur at Quebrada de San Juan, only a few kilometres to the east is the Formative Period petroglyph site of Tomabal with several fine MSC-style images (Van Hoek 2007b; 2011a).  

 

Figure 15. Petroglyph boulder JUA-024 at Quebrada de San Juan, Peru. Note: the IFRAO-scale is not attached onto the rock surface, but is resting on the natural projection. Photograph by Maarten van Hoek.  

   
Figure 16. Petroglyph boulder JUA-024 at Quebrada de San Juan, Peru. Drawing by Maarten van Hoek.

The only parallel to the Quebrada de San Juan ‘monkey face’ that I know of occurs in northern Chile. In the Quebrada Amarga, a tributary to the Río Loa, are several interesting rock art sites that, unfortunately, I have not seen myself. On one of the many vertical cliff faces at Playa de Llamo is the sculptured head of a ‘face’, described by Diego Artigas & Juan García (2010: Fig. 18) as follows: “Diseño de la cabeza de una llama esculpido en la roca a partir de una protuberancia”. From their description it may be inferred that a natural projection formed the basis of the ‘sculpture’.

However, most important in this discussion is the site of Palamenco in the north of Peru. Besides a few most interesting examples of the use of natural features, like a natural hole forming the central part of a ‘solar’ petroglyph on Boulder PAL-082 (Figure 17), there are a few boulders that must be considered in more detail, especially as one boulder offers definitive proof that apophenia resulted in a most amazing petroglyph. Again it is important to notice that Palamenco has several petroglyphs that definitely are of the Formative Period MSC-style (Van Hoek 2011a).

Figure 17. Detail of petroglyph boulder PAL-082 at Palamenco, Peru. Photograph by Maarten van Hoek.

Boulder PAL-103 at Palamenco has a natural cavity that may have been incorporated on purpose to create the design of a ‘pregnant (?) snake’, or a ‘snake’ that has ‘devoured a prey’ (Figures 18 and 19). Important is that the edges of the natural depression have been accentuated with pecking and that the interior has been adorned with a simple grid of pecked lines. With some imagination this stone (Figure 18) can also be considered to represent a ‘bird’s head’ in which the accentuated natural depression may represent the ‘eye’.

Figure 18. Petroglyph boulder PAL-103 at Palamenco, Peru. Photograph by Maarten van Hoek.  

 
Figure 19. Petroglyph boulder PAL-103 at Palamenco, Peru. Drawing by Maarten van Hoek.  

 

Figure 20. Petroglyph boulder PAL-098 at Palamenco, Peru. Photograph by Maarten van Hoek.  

 

Figure 21. Petroglyph boulder PAL-091 at Palamenco, Peru. Photograph by Maarten van Hoek.  

 

Figure 22. Petroglyph boulder CMf-454 at Cerro Mulato, Peru. Photograph by Maarten van Hoek.

Similarly, Boulder PAL-098 has a simple design, but again the edges of the panel have been pecked on purpose (Figure 20), while the natural, linear crest on Boulder PAL-091 has apparently been used to create a ‘snake’ or ‘eel’ petroglyph (Figure 21). Also at Cerro Mulato the practice of accentuating natural edges has been recorded by me. Especially Boulder CMf-454 might have been engraved to represent a biomorphic ‘head’, possibly of a ‘bird’ (?) (or even a ‘fish’?), while again circles seem to represent ‘eyes’ (Figure 22).  

It is this practice to intentionally accentuate the edges of natural features which offers the evidence that apophenia can be responsible for petroglyph production. This proof is found on panel ‘A’ of Boulder PAL-121 at Palamenco. This panel has been illustrated - probably for the first time - by Núñez Jiménez as Piedra 118 (1986: 551 - note that four other petroglyph panels on this boulder are not illustrated). Unfortunately his illustration is incorrect in two ways. Firstly, Núñez Jiménez interpreted the design (1986: Fig. 1089) as a ‘bird’ (’ave’), while clearly the ‘configuration’ actually consists of an unrelated set of two concentric circles crowning the apex of the boulder (in itself a recognition of the natural shape of the boulder -compare with Figure 6), a possible ‘zoomorph’, a possible spiral and a few indistinct markings (Figure 23). These components need not necessarily be contemporary. Moreover, parts of the ‘configuration’ clearly have been re-pecked, which is not visible in the drawing by Núñez Jiménez. All these facts confirm my conclusion (Van Hoek 2011b) that 20% of the illustrations in the voluminous work by Antonio Núñez Jiménez is incorrect/inaccurate and cannot be accepted as scientifically unfailing. Secondly and most importantly, Núñez Jiménez did not include in his drawing the lower part of the boulder. And it is exactly there - almost at ground level - where we can find the evidence.  

 

Figure 23. Petroglyph boulder PAL-121, panel A, at Palamenco, Peru. Photograph by Maarten van Hoek.

The lower part of panel PAL-121A (Figures 24 and 25) notably consists of a concatenation of three shallow, natural depressions. It is perplexing to see that the prehistoric manufacturer recognised a ‘bird’s’ head in this series of three depressions. He or she accentuated the edges of the depressions to outline the ‘head’, then added a straight, internal line in the first depression in order to create a ‘beak’ and - most importantly - finally added an ‘eye’ into the depression that formed the ‘head’ of the ‘bird’. I cannot imagine that some-one would refute that this has been done completely intentional.  

 

Figure 24. The lower part of petroglyph boulder PAL-121, panel A, at Palamenco, Peru. Photograph by Maarten van Hoek.
 
 

Figure 25. The lower part of petroglyph boulder PAL-121, panel A, at Palamenco, Peru. Drawing by Maarten van Hoek.


ConclusiOn

First of all, it is impossible for us modern researchers to judge what prehistoric people have perceived when they looked at a boulder, a rock panel or whatever natural feature. What is definitely certain is that - in the case of Boulder PAL-121 at Palamenco, Peru, - someone in the prehistory of the Andes recognised something specific and relevant for him or her - a ‘bird’s head’ - in a series of natural shapes on a boulder and created a petroglyph out of those natural features. For that reason I regard that specific petroglyph to represent ‘apophenic’ rock art. The word ‘apophenic’ exists (see for instance Meschiari 2011), but is very rarely used. Yet I would like to introduce the term here in association with rock art. ‘Apophenic’ rock art is rock art that originates from apophenic experiences. I am certain that at least some of the other examples discussed in this paper may be regarded as instances of ‘apophenic’ rock art on micro-level and that, moreover, apophenia on meso- and macro-level may have played a (decisive?) role in the selection of a site in order to sanctify the site and consequently to produce rock art there, even when the ‘apophenic’ rock itself does not have rock art (like at Tolón - see Figure 12).  

In this paper I discussed rock art sites like Quebrada de los Boliches, La Puntilla, Tolón, Yonán, Alto de la Guitarra, Cerro Mulato, Las Piedras Negras, Cumbemayo and especially Palamenco. These are all are sites in the north of Peru often with marked Formative Period MSC-style imagery. And all those sites have a (possible) ‘aphophenic’ association with natural features. Even in the south of Peru is a Formative Period rock art site, Bogotalla, where there seems to be a definitive link between early petroglyph production and apophenia. And probably there will be more such sites in the Andes. Therefore, an important conclusion - for Andean rock art in particular - may be that - regarding rock art production - apophenia seems to have been especially effective during the Formative Period in a specific part of the northern Andes. Another interesting facet of this discussion is that Formative Period MSC-style iconography also centred on the ‘head’ and the ‘eye’ as the most important features of a biomorph (for more details see Van Hoek 2011a).  

Indeed, most decisive in accepting the ‘apophenic’ nature of the specific petroglyph on Boulder PAL-121A at Palamenco, Peru, is the addition of an ‘eye’ petroglyph at the right spot into a natural depression. Also the addition of (MSC-style) petroglyphs very near the natural ‘eye’ of the natural ‘bird’s’ head at Bogotalla, Peru, confirms the importance of the ‘eye’. These (f)acts make the probability that the same is true for the ‘bird’ configuration at Cooks Peak very high. Although the ‘bird’ itself is not created by anthropic markings, the natural shape of the Cooks Peak ‘bird’, formed by dark planes of several rock surfaces, is substantiated by the manufacturing of an ‘eye’ petroglyph at the right spot.  

I am sure that more can and will be discovered in this respect, especially as many reports and inventories only or partially have published the drawings of the petroglyphs, disregarding or not describing the natural shape of the stone. Even when photos are taken, they usually focus on the designs and hardly ever the complete boulder is photographed and rarely from all sides. The observation of the shape of boulders and panels should be a standard procedure, at least in Andean rock art.  

So, if we work back the line of reasoning, because it proves that solid evidence for ‘apophenic’ petroglyph production on micro-level is available, it is most likely that also on meso-level and on macro-level apophenia may have influenced the choice of petroglyph production at certain sites, even when - in general - indications for such a psychological process are very scarce. As a consequence it is almost certain that the claims by Johnny Sosaya in his various postings on the internet are legitimate. Although Johnny argues that ‘he limits his research to only rocks or panels containing petroglyphs (2011)’, I, on the contrary, argue that also undecorated rocks formations should be taken into account.  I therefore invite rock art scholars to look at rock art sites - and at (decorated) boulders and at (decorated) panels in isolation - with an unbiased, open mind, allowing for pareidolia and apophenia to be to a certain degree responsible for at least part of the global rock art production, no matter how small that part is.  


Acknowledgements

I am grateful to Johnny Sosaya for all the (graphical and textual) information that he kindly made available to me and for commenting on the draft text. Also, Johnny was most helpful by providing me with several high resolution photographs of the two relevant rock art sites, Chaco Canyon and Cooks Peak, which I have not seen myself. These photos (Figures 1, 4 and 5) have been reproduced here with his kind permission. All other photos and drawings are by the author and are his copyright. Last but not least I am indebted to Rainer Hostnig for sharing his superb book about Carabay (2010) with me.

     

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Cómo citar este artículo:

Van Hoek, Maarten. Andean rock art and apophenia: from the macro to the micro.  
En Rupestreweb, http://www.rupestreweb.info/apophenia.html

2012

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