Results 61 to 70 of about 8,056 (240)

Ductile Extrusion Triggered by Continental Collision in NE Brazil

open access: yesTerra Nova, EarlyView.
ABSTRACT The Borborema Province in northeastern Brazil hosts one of the world's largest strike‐slip shear zone networks, active during the late Neoproterozoic assembly of West Gondwana. Whether these shear zones initiated during active continental collision or as a post‐orogenic response to far‐field stresses remains debated.
L. R. Tesser   +6 more
wiley   +1 more source

Tab. 2.4-1. Whole rock and trace element analysis of Muehlig-Hofmannfjella granitoids, Central Dronning Maud Land, East Antarctica

open access: yes, 2007
Tab. 2.4-1. Whole rock and trace element analysis of Muehlig-Hofmannfjella granitoids, Central Dronning Maud Land, East ...
Prasad, A V Keshava   +5 more
core   +1 more source

Petrogenetic and geochemical characteristics of some auriferous granitoids in the Kumasi Basin, Ghana: Implications for geodynamic settings and controls of orogenic gold mineralization in the Edikan Gold Mine

open access: yesDeep Underground Science and Engineering
The Edikan Mine, which consists of Fobinso and Esuajah gold deposits, lies within the Asankrangwa Gold Belt of the Birimian Supergroup in the Kumasi Basin.
Emmanuel D. Sunkari   +2 more
doaj   +1 more source

Sourcing Neo-Acadian Inner Piedmont Granitoids withinthe Southern Appalachians

open access: yes, 2022
New whole-rock U/Th/Pb, Sm-Nd and Rb-Sr isotopic data are presented from meta-granitoids, gabbros, and meta-sedimentary rocks within the eastern Blue Ridge, Inner Piedmont, and Charlotte belts of the southern Appalachians.
White, Owen
core   +1 more source

Mineralogy, geochemistry and conditions of formation Permian-Triassic intraplate granitoids of Sinyushenskiy Massif (Gorny Altai)

open access: yesЛитосфера, 2016
The data on geological settings, ages, special features of mineralogy and composition of Sinyushensky Massif granitoids the in north-west part of the Gorny Altay region.
N. N. Kruk   +3 more
doaj   +2 more sources

The Archean Granitoid-Paleoproterozoic Unconformity: Superimposition of Alteration Events in Archean Granitoids, Gabon

open access: yesProcedia Earth and Planetary Science, 2013
AbstractThe Archean granitoids of the South Gabon, dated from 3.0-to-2.5 Ga, were examined along the Archean-Proterozoic unconformity. The petrography was based on mineralogical identification using electron microscopy, X-ray diffraction, and the electron microprobe.
Idalina, Mouélé Moubiya   +6 more
openaire   +3 more sources

EARLY NEOPROTEROZOIC GRANITOIDS IN THE RYAZANOVSKY MASSIF OF THE YENISEI RIDGE AS INDICATORS OF THE GRENVILLE OROGENY AT THE WESTERN MARGIN OF THE SIBERIAN CRATON

open access: yesГеодинамика и тектонофизика
Studies of the geological history of the Yenisei Ridge are important not only for understanding the tectonic evolution of mobile belts at the boundaries of ancient cratons but also for problem solving whether the Siberian craton was a part of the Rodinia
A. D. Nozhkin   +3 more
doaj   +1 more source

Hyperspectral Fingerprinting of Dune Sediments Across the Arabian Peninsula: Insights Into Sediment Provenance and Transport Pathways From NASA's EMIT Data

open access: yesGeophysical Research Letters, Volume 53, Issue 12, 28 June 2026.
Abstract The Arabian Peninsula encompasses one of the world's most extensive aeolian systems, yet the provenance and transport history of its dune sediments are not well understood. Using hyperspectral data from NASA's Earth Surface Mineral Dust Source Investigation (EMIT), we mapped mineral compositions and abundance patterns across dune fields and ...
Ahmed Alshakr   +8 more
wiley   +1 more source

Neoarchaean crustal evolution in the Congo Craton: evidence from K rich granitoids of the Ntem Complex, southern Cameroon

open access: yes, 2000
L'UMR 6530 a été intégrée dans l'ISTO - UMR6113 - CNRS Université d'OrléansThe Neoarchæan (2.6 Gal K rich granitoids of the Ebolowa area (Ntem Complex, Congo Craton) in southern Cameroon form small massifs trending north-northwest-south-southeast to ...
Nsifa, N.E.   +6 more
core   +1 more source

Geology of the central Kohistan Arc, Northern Swat, Kalam (NW, Pakistan), results of a new 1:50,000 scale geological mapping

open access: yesJournal of Maps
The study area in, northern Swat, Pakistan represents a critical segment of the Cretaceous to Tertiary Kohistan arc. It is characterized by complex interplay of plutonic, volcanic and metamorphic systems, whose magmatic and tectonic relationships remains
Tanveer Ahmad   +2 more
doaj   +1 more source

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