Results 71 to 80 of about 200 (171)

Sublithospheric diamond ages and the supercontinent cycle. [PDF]

open access: yesNature, 2023
Timmerman S   +25 more
europepmc   +1 more source

Subduction-related oxidation of the sublithospheric mantle evidenced by ferropericlase and magnesiowüstite diamond inclusions. [PDF]

open access: yesNat Commun, 2022
Kiseeva ES   +14 more
europepmc   +1 more source

Paleomagnetism and petrogenesis of Paleoproterozoic units from the Uatumã event in the northern Amazonian Craton [PDF]

open access: yes, 2018
Paléomagnétisme et pétrogenèse des unités paléoprotérozoïques de l'évènement Uatumã au nord du craton amazonien Un volumineux magmatisme anorogénique a recouvert une large partie (1.500.000 km2) du craton Amazonien à 1880 Ma et définit une province magmatique felsique qu'on appelle l'événement Uatumã.
openaire   +2 more sources

The Jurassic basaltic magmatism of the Tacutu rift-type basin, Amazonian Craton, Brazil: A contribution to petrological studies

open access: yesJournal of the Geological Survey of Brazil
The Tacutu rift-type basin (on the border of Brazil and Guyana) is related to the initial opening of the Equatorial Atlantic Ocean during the Mesozoic.
Steffanie Oliveira   +3 more
doaj   +1 more source

Bacterioplankton Communities in Dissolved Organic Carbon-Rich Amazonian Black Water. [PDF]

open access: yesMicrobiol Spectr, 2023
Sylvain FÉ   +6 more
europepmc   +1 more source

Petrography, geochemistry and Sm-Nd isotopes of the granites from eastern of the Tapajós Domain, Pará state

open access: yesBrazilian Journal of Geology
: The Tapajós Domain, located in the southern portion of the Amazonian Craton, is a tectonic domain of the Tapajós-Parima Province, a Paleoproterozoic orogenic belt adjacent to a reworked Archean crust, the Central Amazonian Province.
Flávio Robson Dias Semblano   +2 more
doaj   +1 more source

FORMAÇÃO SERRA DA BOCAINA - CONTRIBUIÇÃO DO VULCANISMO PALEOPROTEROZOICO DO ARCO MAGMÁTICO AMOGUIJÁ NO TERRENO RIO APA, SUL DO CRÁTON AMAZÔNICO

open access: yesGeochimica Brasiliensis, 2017
The Serra da Bocaina Formation comprises Paleoproterozoic effusive and pyroclastic rocks displaying well preserved textures related to a plutonic-volcanic event recorded in the southern of the Amazonian Craton in the Rio Apa Terrane.
Cinthya Deus Souza   +5 more
doaj   +1 more source

Cycles of Andean mountain building archived in the Amazon Fan. [PDF]

open access: yesNat Commun, 2022
Mason CC   +4 more
europepmc   +1 more source

Geochronological provinces of the Amazonian Craton

open access: yesEpisodes, 1999
Colombo C.G. Tassinari   +1 more
openaire   +2 more sources

Geochemistry and Nd-Sr Isotopic Signatures of the Pensamiento Granitoid Complex, Rondonian-San Ignacio Province, Eastern Precambrian Shield of Bolivia: Petrogenetic Constraints for a Mesoproterozoic Magmatic Arc Setting [PDF]

open access: yesGeologia USP. Série Científica, 2009
The Pensamiento Granitoid Complex (PGC), located in the northern part of the eastern Precambrian shield of Bolivia, istectonically assigned to the Rondonian-San Ignacio Province (1.55 - 1.30 Ga) of the Amazonian Craton that is made up byArchean and ...
Ramiro Matos   +3 more
doaj  

Home - About - Disclaimer - Privacy