[HTML][HTML] A geochronological review of magmatism along the external margin of Columbia and in the Grenville-age orogens forming the core of Rodinia
A total of 4344 magmatic U-Pb ages in the range 2300 to 800 Ma have been compiled from
the Great Proterozoic Accretionary Orogen along the margin of the Columbia/Nuna …
the Great Proterozoic Accretionary Orogen along the margin of the Columbia/Nuna …
[HTML][HTML] The Hf and O isotope record of long-lasting accretionary orogens: The example of the Proterozoic and Paleozoic-Triassic central South America
The southwestern margin of Amazonia hosted accretionary orogens for most of the past 2
Ga. A succession of accretionary mountain belts evolved from 2 Ga to 1 Ga, they are here …
Ga. A succession of accretionary mountain belts evolved from 2 Ga to 1 Ga, they are here …
From microanalysis to supercontinents: insights from the Rio Apa Terrane into the Mesoproterozoic SW Amazonian Craton evolution during Rodinia assembly
Deciphering the tectono‐metamorphic evolution of Precambrian terranes can be difficult due
to reworking by later superimposed events. Whole‐rock elemental and isotopic …
to reworking by later superimposed events. Whole‐rock elemental and isotopic …
Neoarchean and Paleoproterozoic magmatism in the Longjiang area, NE China: Implications for the recycling history of supracrustal components in the eastern …
C Sun, W Xu, G Zhao, X Zhang… - Geological Society of …, 2024 - pubs.geoscienceworld.org
Substantial Phanerozoic crustal growth and reworking in the eastern Central Asian Orogenic
Belt has partly obscured the Precambrian geological record. Accurate identification of such …
Belt has partly obscured the Precambrian geological record. Accurate identification of such …
Cryogenian glaciostatic and eustatic fluctuations and massive Marinoan-related deposition of Fe and Mn in the Urucum District, Brazil
Global Neoproterozoic glaciations are related to extreme environmental changes and the
reprise of iron formation in the rock record. However, the lack of narrow age constraints on …
reprise of iron formation in the rock record. However, the lack of narrow age constraints on …
[HTML][HTML] A Laurentian affinity for the Embu Terrane, Ribeira Belt (SE Brazil), revealed by zircon provenance statistical analysis
New and compiled detrital zircon U–Pb ages from the southern Neoproterozoic–Cambrian
Ribeira Belt, SE Brazil, demonstrate Laurentian affinity of the Embu Terrane which is …
Ribeira Belt, SE Brazil, demonstrate Laurentian affinity of the Embu Terrane which is …
Growing the Paleo-to Mesoproterozoic margin of the SW Amazonia and the transition from an accretionary to a collisional system
Despite a general consensus of a petrogenetic link in Paleo-to Mesoproterozoic times
between the Rio Apa Terrane (RAT) and the Ventuari-Tapajós and Rio Negro-Juruena …
between the Rio Apa Terrane (RAT) and the Ventuari-Tapajós and Rio Negro-Juruena …
Paleomagnetism of the Rio Perdido mafic dike swarm (1110 Ma) and the paleogeography of Amazonia and its role for supercontinents Rodinia and Gondwana
Abstract The Rio Apa Terrane (RAT) is situated at the south end of the Amazonian Craton
(AC) separated from it by the aulacogen Tucavaca belt. It encompasses basement rocks that …
(AC) separated from it by the aulacogen Tucavaca belt. It encompasses basement rocks that …
Orosirian-Stenian evolution of the Bolivian Precambrian Shield, SW Amazonian Craton, constrained by U–Pb geochronology and Nd–Hf isotopic parameters
We present new and compiled U–Pb zircon ages and Hf zircon and Nd constraints for rocks
of the Bolivian Precambrian Shield southwestern fringe of the Amazonian Craton. The …
of the Bolivian Precambrian Shield southwestern fringe of the Amazonian Craton. The …
Meso-to Neoproterozoic terrane accretion: Insights from juvenile mafic magmatism from the Votuverava Group and Embu Complex, southern Ribeira Belt, Brazil
Abstract Terranes of the Neoproterozoic Ribeira Belt record processes related to West
Gondwana assembly. However, the evolutionary history of the belt in the preceding Rodinia …
Gondwana assembly. However, the evolutionary history of the belt in the preceding Rodinia …