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4.297  Articles
1 of 431 pages  |  10  records  |  more records»
The Tartoq greenstone belt of southwest Greenland represents a well-preserved section through >3 Ga old oceanic crust and has the potential to provide important constraints on the composition and geodynamics of the Archaean crust. Based on a detailed s... see more

Internal tectonic structure of the Ukrainian Shield is currently seen as an association of megablocks (megastructures) divided by abyssal fractures. Within this region, six megablocks (megastructures) are differentiated: Volynski, Dnistrovo-Buzki, Rosynsk... see more

In this contribution, we present detailed field, petrography, mineral chemistry, and geochemistry of newly identified high-Si high-Mg metavolcanic rocks from the southern part of the ~3.3 Ga Holenarsipur greenstone belt in the western Dharwar craton, Indi... see more

Os terrenos granito-greenstone da região de Brumado estão inseridos na macrounidade geotectônica do Cráton do São Francisco, mais especificamente na porção sul do bloco Gavião, de idade arqueana. Foram identificados nove diferentes litotipos: o Greenstone... see more

The pegmatites of the Ukrainian Shield, their formation and occurrence are considered. It is shown that the Ukrainian Shield is a pegmatite province encompassing seven regions: Middle Prydniprovia, Western Pryazovia, Eastern Pryazovia, Ingulski, Rosynsko-... see more

AbstractPrecambrian granitoid rocks underlie approximately 60 percent of the Kruger National Park. They occur primarily in the western portion of the park and comprise a wide variety of rock including granites, granodiorites, tonalites, trondhjemites and ... see more

AbstractGeological units and new data gathered during regional mapping of the Kruger National Park are summarised. A simplified geological map is presented in conjunction with this paper. A large number of new geological formations have been recognised in... see more

El Cuadrilátero Ferrífero es ampliamente conocido por sus depósitos de oro de clase mundial de edades arcaicas, clasificados principalmente como de tipo oro orogénico y epigenético. Estos depósitos están hospedados en una secuencia de rocas meta-volcanose... see more

Entrevista com Claudia Beltrão da Rosa: apontamentos sobre a pesquisa em História Antiga no Brasil.

1 of 431 pages  |  10  records  |  more records»