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GeoRef Categories
Era and Period
Epoch and Age
Date
Availability
Amazonas Brazil
Mn–Fe-rich genthelvite from pegmatites associated with the Madeira Sn–Nb–Ta deposit, Pitinga, Brazil: new constraints on the magmatic-hydrothermal transition in the albite-enriched granite system Available to Purchase
Quantitative relationships between river and channel-belt planform patterns Open Access
Miocene paleoenvironments and paleoclimatic reconstructions based on the palynology of the Solimões Formation of Western Amazonia (Brazil) Available to Purchase
VERTEBRATE TAPHONOMY OF TWO UPPER MIOCENE BONEBEDS IN WESTERN PROTO-AMAZONIA (SOLIMÕES FORMATION, BRAZIL): INSIGHTS FROM MACROVERTEBRATE AND MICROVERTEBRATE FOSSILS Available to Purchase
New Neogene index pollen and spore taxa from the Solimões Basin (Western Amazonia), Brazil Available to Purchase
Compositional and diversity comparisons between the palynological records of the Neogene (Solimões Formation) and Holocene sediments of Western Amazonia Available to Purchase
Pollen of honey from Melipona seminigra merrillae Cockerell, 1919, Scaptotrigona nigrohirta Moure, 1968 and Scaptotrigona sp. Moure, 1942 (Apidae: Meliponini) reared in Sataré Mawé indigenous communities, Amazon, Brazil Available to Purchase
Reverse time migration using phase crosscorrelation Available to Purchase
An application of the Rietveld refinement method to the mineralogy of a bauxite-bearing regolith in the Lower Amazon Available to Purchase
The effects of the inception of Amazonian transcontinental drainage during the Neogene on the landscape and vegetation of the Solimões Basin, Brazil Available to Purchase
Pollen morphology of 25 species in the family Apocynaceae from the Adolpho Ducke Forest Reserve, Amazonas, Brazil Available to Purchase
Dissolution kinetics of Amazonian metakaolin in hydrochloric acid Available to Purchase
Synthesis of ultramarine pigments from Na-A zeolite derived from kaolin waste from the Amazon Available to Purchase
Ralstonite Renamed Hydrokenoralstonite, Coulsellite Renamed Fluornatrocoulsellite, and Their Incorporation Into the Pyrochlore Supergroup Available to Purchase
Ethnogeology in Amazonia: Surface-water systems in the Colombian Amazon, from perspectives of Uitoto traditional knowledge and mainstream hydrology Available to Purchase
Ethnogeology, the scientific study of geological knowledge of groups such as indigenous peoples, can be combined with mainstream geological sciences to enhance our understanding of Earth systems. The Amazon rain forest has been extensively studied by both mainstream scientists and indigenous researchers. We argue that knowledge of Amazonian geology and hydrology held by indigenous Uitoto experts is valid, empirically based, and, in many cases, more nuanced than mainstream scientific knowledge. We also argue that knowledge sharing between mainstream and indigenous researchers can improve geological and environmental knowledge on both sides and provide solutions for current environmental problems such as increased pressure on water resources and global warming. We applied methods from ethnography and earth science to examine the traditional ecological knowledge of an Amazonian tribe in Colombia, the Uitoto, about water, and how that knowledge correlates with that of mainstream earth scientists. The study demonstrates how ethnogeology can be applied in a water-rich environment to: (1) compare knowledge about the natural history of an area, (2) study the geological resources available and their uses, and (3) examine the bases of native classification schemes using mainstream science methods. We found parallels and complementary concepts in the two bodies of knowledge. Our results suggest that the Uitoto have a meticulous taxonomy for water and wetlands—knowledge that is essential for protecting, conserving, and managing their water resources.