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Geochemistry of Lower Sandstone: Provenance Lithology, the Paleoclimate Barsisa Bekele
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Geochemistry of Lower Sandstone: Provenance Lithology, the Paleoclimate
Barsisa Bekele
The Adigrat Sandstone is found in the Blue Nile Basin, North Western plateau of Ethiopia. It was formed because of jurassic marine transgression came from the south-east (Daniell, 1974. It has been analyzed to determine their provenance composition, paleoweathering and paleoclimatic scenarios. Samples of this sandstone are slightly variable in composition and on QFL diagram; most o the samples are plotted in subarkose and lithic subarkose fields. The CIA, PIA and CIW values for this sandstone and the A?CN?K diagram agreeably suggest that source rocks experienced intense chemical weathering under hot and humid tropical to sub-tropical climate. Mineralogical evidence suggests that plutonic and metamorphic rocks were major contributing source rocks. However, recycling of the sediment is also an inevitable.
| Mediji | Grāmatas Paperback Book (Grāmata ar mīksto vāku un līmēto muguru) |
| Izlaists | 2012. gada 19. janvāris |
| ISBN13 | 9783847310549 |
| Izdevēji | LAP LAMBERT Academic Publishing |
| Lapas | 88 |
| Izmēri | 150 × 5 × 226 mm · 149 g |
| Valoda | Vācu |
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