Results 171 to 180 of about 6,981 (220)

Petrogenesis and tectonic significance of the Baipu granite porphyry in the Huangtian uranium deposit, northeastern Guangdong, South China. [PDF]

PLoS One
Ruan K, Wu J, Long Z, Min Z.
europepmc   +1 more source

Impact-induced initiation of Snowball Earth: A model study. [PDF]

Sci Adv
Fu M, Abbot DS, Koeberl C, Fedorov A.
europepmc   +1 more source

Petrographic and geochemical study of Precambrian and Paleozoic rocks in the western Anti-Atlas belt, Morocco: Facies, weathering, provenance and economic exploitation. [PDF]

Heliyon
Sebbab MM, Ousbih M, En-Nasiry M, El Ouahidi A, Abdelrahman K, El Atillah A, Uddin MG, Ekoa Bessa AZ, Fnais MS, Olbert AI, Abioui M.   +10 more
europepmc   +1 more source

Devonian northward drift of the Qaidam-Kunlun continent constrains the early evolution of the Paleo-Tethys Ocean. [PDF]

Natl Sci Rev
Song P, Ding L, Wu C, Zuza AV, Zhang L, Yue Y, Xie J.   +6 more
europepmc   +1 more source

Strong nickel enrichment co-located with redox-organic interactions in Neretva Vallis, Mars. [PDF]

Nat Commun
Manelski HT, Wiens RC, Broz A, Hurowitz JA, Tice M, Clegg S, Dehouck E, Randazzo N, Connell SA, Forni O, VanBommel SJ, Schröder S, Mandon L, Gabriel TSJ, Bedford CC, Martinez RK, Cloutis EA, Cousin A, Cable ML.   +18 more
europepmc   +1 more source

Paleoproterozoic molassoid complexes of Central Karelia

Proceedings of the Karelian Research Centre of the Russian Academy of Sciences
Alexandra Bakaeva, Svetlana Chazhengina, Sergei Svetov, Anna Kervinen   +3 more
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Breakup of a Paleoproterozoic Supercontinent

Gondwana Research, 2002
Abstract If a Paleoproterozoic supercontinent broke up between 1.6 and 1.5 Ga, the distribution of sutures shows that the breakup was not complete. At least two large cratons, Atlantica (Amazonia, Congo, West Africa and probably North Africa and Rio de la Plata) and Arctica (Laurentia, Siberia, Baltica, North Australia and North China), survived the ...
Kent C Condie
exaly   +2 more sources

A Paleoproterozoic ophiolitic mélange, Yangtze craton, South China: Evidence for Paleoproterozoic suturing and microcontinent amalgamation

Precambrian Research, 2017
Abstract We document for the first time the presence of a Paleoproterozoic ophiolitic melange in the Archean–Paleoproterozoic Kongling Complex in the northern Huangling Dome, Yangtze craton, South China. Detailed field mapping, petrographic, geochronological and geochemical studies reveal that the melange consists of a suite of amphibolite facies ...
Qingsen Han, Songbai Peng, Timothy M Kusky   +2 more
exaly   +2 more sources

Archean-Paleoproterozoic transition: The Indian perspective

Earth-Science Reviews, 2019
Abstract India has perhaps the richest Paleoarchean to Paleoproterozoic crustal components on Earth ( Miller et al., 2018 ). Notwithstanding this, much of the Indian subcontinent remains unexplored compared to other ancient cratons in North America, Australia, Brazil and Africa.
Rajat Mazumder, Shuvabrata De, P V Sunder Raju   +2 more
exaly   +2 more sources

A Paleoproterozoic A-type Rhyolite

Chinese Journal of Geochemistry, 1999
The rhyolites in the upper Luliang Group of Shanxi, China, are Paleoproterozoic weakly alkaline volcanic rocks. They are characterized by high SiO2, Na2O + K2O, Zr, Nb, Ga, Y and REE contents and large FeO* /MgO, Rb/Sr and Ga/Al ratios, and low CaO, Sr and Eu contents, and share much in common with the A-type granitic rocks.
Yu Jinhai, Wang Dezi
openaire   +1 more source