Kniha Sedimentary Provenance Indication Using Grainsize Analysis Shrimanta Ray

Sedimentary Provenance Indication Using Grainsize Analysis

Autor: Shrimanta Ray
Jazyk: Angličtina
Vazba: Brožovaná
Vydavatel: VDM Verlag
Dostupnost: U nakladatele na objednávku
Odesíláme za 17-27 dnů
1 173
The siliciclastic rocks of Paleoproterozoic Supracrustal Kolhan Group are more or less persistently...

Informace o knize

Jazyk
Angličtina
Vazba
Kniha - Brožovaná
Vydáno
2011
Stránek
60
EAN
9783639321517
ISBN
3639321510
Enbook ID
06838959
Vydavatel
Hmotnost
100
Rozměry
152 x 229 x 4

Kompletní popis

The siliciclastic rocks of Paleoproterozoic Supracrustal Kolhan Group are more or less persistently widespread over much of West Singhbhum, Jharkhand. They confined by four separated shallow intracratonic basins, the area in between, being mainly occupied by lower lava, tuffaceous rocks, granites and banded iron formation belonging to the older Iron-Ore Group. It exhibits an extensive development of conglomerate and sandstone with the eastern passive margin of the Singhbhum Granite which progressively grades upward to limestone and shale towards western margin. The occurrence of Kolhans as detached outliers of N-E unconformity with the Singhbhum Granite and further south western part of the area, suggests wide extent of the epicontinental Kolhan sea in the past. Recent investigation by several workers have revealed many useful information regarding the depositional environments. Here petrographic study including grain size, modal and heavy mineral analysis is mainly useful to understand the provenance and pattern of deposition of the Kolhan sandstones.

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