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Cherts, hierro y fosfatos
(2015)
Chert quarries and workshops in the Humid Pampa sub-region: New contributions on exploitation techniques and circulation through study of chaînes opératoires
(Pergamon-Elsevier Science Ltd, 2015-07)
The study of technological organization associated with hunter-gatherers groups has been one of the topics of greatest interest in the archaeological research of the Pampean region. In this sense, the aims of this paper ...
Vestiges of late precambrian (or younger) microfossils in chert of the la tinta formation, northeast ArgentinaVestiges of late precambrian (or younger) microfossils in chert of the la tinta formation, northeast Argentina
(Universidade de São Paulo, Instituto de Geociências, 1978)
First Glimpse of the Silicified Hot Spring Biota from a New Jurassic Chert Deposit in the Deseado Massif, Patagonia, Argentina
(Asociacion Paleontologica Argentina, 2016-04)
Este trabajo reporta el descubrimiento de la biota preservada tridimensionalmente en cherts del complejo geotérmico jurásico La Bajada en el Macizo del Deseado, Patagonia, Argentina. Los depósitos silíceos epitérmicos del ...
Petrographic approach to the study of organic microfossils from the Irati Subgroup (Permian, Parana Basin, Brazil)
(PERGAMON-ELSEVIER SCIENCE LTDOXFORD, 2012)
Early diagenetic chert, infrequently exploited in Phanerozoic micropaleontology, was examined for organic-walled microfossils in petrographic thin sections of silicified dolostones from diverse levels and localities of the ...
Geochemical characterization of the El Cortijo Formation metacherts: New evidence of an oceanic rock sequence in the Palaeoproterozoic basement of the Tandilia Belt, Argentina, Río de la Plata Craton
(Pergamon-Elsevier Science Ltd, 2021-11)
Archaean-Palaeoproterozoic cherts are rare and contain valuable information to understand the chemical evolution of oceans in the past, given that during most of this period an abiological deposition process has been ...
On the problematic placement of the fossil arthropod Devonopilio hutchinsoni in Opiliones (Arachnida)
(Magnolia Press, 2021-01)
Harvestmen (Arachnida: Opiliones) were among the earliest terrestrial arthropods but their unmineralized exoskeletons are scarce and often fragmentary as fossils (Palencia et al. 2019). Consequently, the discovery and ...
Lithic raw materials and modes of exploitation in quarries and workshops from the center of the pampa grasslands of Argentina
(Maney Publishing, 2015-01)
Quarry workshops have an important economic, social, cultural, and symbolic role for past hunter-gatherer societies and the northwest Tandilia System would have represented a place of great cultural significance because ...
Materias primas y circuitos de movilidad en el Noroeste de Patagonia. Una aproximación al estudio de los conflictos sociales a partir de la evidencia arqueológicaRaw materials and mobility circuits in northeastern Patagonia. An approach to the study of social conflicts from archaeological evidences
(Universidad Nacional de Córdoba. Facultad de Filosofía y Humanidades. Museo de Antropología, 2019-04)
El registro arqueológico de la subregión Pampa Occidental presenta numerosas evidencias de la existencia de circuitos de movilidad e interacción social a gran escala espacial, entre ellas materias primas líticas como ...