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Granitic Minds and Sandstone Thoughts: Geo-Cognitive Frontier in the Lower Negro River Petroglyphs, Northern Amazon.

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Author(s):
Raoni Bernardo Maranhão Valle
Total Authors: 1
Document type: Doctoral Thesis
Press: São Paulo.
Institution: Universidade de São Paulo (USP). Museu de Arqueologia e Etnologia (MAE)
Defense date:
Examining board members:
Eduardo Goes Neves; Astolfo Gomes de Mello Araujo; Edithe da Silva Pereira; Fabiola Andrea Silva
Advisor: Eduardo Goes Neves
Abstract

This research presents a preliminary study about the petroglyphs from a sample area between Old Ayrão village and Branco river\'s mouth, at the lower Negro river basin, Western Brazilian Amazon. They comprise a corpus of open air and underwater Rock Art sites, fifteen (15) up until now, located on sandstone and granite riverine boulders and outcrops. Given the absence of archaeological stratified deposits, these sites can neither be excavated nor unequivocally related to adjacent ceramic sites in the survey area (which remains a possibility to be tested). Thus, they are bound in contextual isolation, lacking spatial as well as chronological control, remaining as outsiders of the archaeological record. The area presents geological variability (contact between crystalline Guiana shield and Amazon sedimentary basin) as well as hydrographical variability (confluence among Negro, Branco, Jauaperi, Unini and Jaú rivers). We propose that this environmental set contributes to the graphical variability we are detecting inside the rock art corpus (suggesting discrete corpora), which indicates possible chronological and cultural distinctions in the prehistoric authorship of these petroglyphs. Indeed, the preliminary knowledge of the actual geological context of the survey area, as well as its major fluvial confluence, has led us to first postulate the hypothesis of stylistic variability which was confirmed in the first contact with these petroglyphs. This, in fact, constitutes the first concrete result of our research, the identification of a multi-stylistic rock art zone in the Negro\'s basin, which we think is deeply related to the environmental set of the survey area, which in its turn was partially responsible for the establishment of different cultural groups, and the development of different cultural ways of representing the cognizable world (visible and invisible) into discrete strategies of visual thinking on the basin along the Holocene. Among the current approaches to rock art study we have chosen to apply two different but complementary general methods, Formal and Informed, as a dialectical reflexive conjunct. The first part of the text is committed to the formal method. Under this token, we are considering the petroglyphs (and pictographs) like prehistoric systems of visual thinking and communication, quasi-linguistically organized graphic-symbolic codes, of the authors\' communities. Focus on rock art under this scope (as a variable, or resultant, of human past behavior, culturally organized, inserted in the environment - archaeological record) is a profitable strategy in order to identify and measure formal material characteristics of rock art assemblages, which, we believe, can lead to the identification of discrete sets of structured graphical patterns that, hypothetically and simplistically, could be related to the socialcognitive profiles of those communities. So, we are applying a set of theoretical constructs, basically derived from semiotics, visual anthropology and cognitive archaeology, to the analysis of visual symbolic codes, holding our attention on the graphic signifier (the material object) and avoiding the interpretation of specific meanings over the form (guessing signified concepts deriving from iconic resemblances between forms and \"real things\" in the non- Indian archaeologist\'s cosmology). By material signifier in rock art we comprehend those material aspects such like technique, morphology, thematic, syntactical combinations and compositions, taphonomy and other geo-environmental variables. The second approach, informed method, is devoted here to a tentative interpretation of one of the stylistic profiles identified; comparing some of its distinctive iconic patterns to the Upper Negro River Myth- Ritual Complex of Jurupari, devised as a multi-ethnic religious complex that hypothetically pervaded the entire basin during pre-colonial times. We are suggesting by the present evidence that these cultural manifestations (Jurupari and this specific rock art corpus), separated in time-space, could be related to a same system of expressive, ideological and cognitive phenomena in the past, with a specific locational insertion in the surveyed area. So, if identifying forms (formal disambiguation), and classification (ordering of graphic-spatial patterns) of observed differences among forms are converted into the spinal cord of this research, the second part is, nevertheless, equally important in the way it provides a rudimentary tentative of looking to rock art through Amerindian eyes and test the potential of ethnographic meta-representations to illuminate archaeological reasoning about rock art phenomena in the Negro\'s basin. That is, an interpretive approach targeting some sort of explanation beyond the non-indigenous formal stylistic constructs (but, what remains to be tested in the area is the rock art analysis directly through Amerindian prefrontal cortex, a kind of neural-cognitive otherness experiential approach, which would imply, for future experiments, in direct participative observations, possibly involving an Indian specialist and archaeologist\'s Caapi - B. caapi - consumption for perceptual and ontological purification and subsequent observation of petroglyphs and dialogue among them and the rocks). (AU)