Geological Bulletin, Volume 6University of Peshawar, 1971 - Geology |
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Page 14
... diorites , and a large ( ? ) plug , which might have been the feeders ; the dykes resemble some of the volcanics . If the diorites are equivalent to those of Swat ( which one thinks to be ) , a post - Cretaceous age is highly probable ...
... diorites , and a large ( ? ) plug , which might have been the feeders ; the dykes resemble some of the volcanics . If the diorites are equivalent to those of Swat ( which one thinks to be ) , a post - Cretaceous age is highly probable ...
Page 59
... Diorites . Diorites are the most extensively developed rocks in the whole of this region and they cover almost 70 % of the total area . They extend west and northwestwards over groat distances and pass into Afghanistan , there covering ...
... Diorites . Diorites are the most extensively developed rocks in the whole of this region and they cover almost 70 % of the total area . They extend west and northwestwards over groat distances and pass into Afghanistan , there covering ...
Page 61
Biotite is a minor mineral that occurs ubiquitously in almost all diorites . In the pyroxene - free diorites biotite occurs as small laths of a yellow to yellowish - brown pleochroic character . In the pyroxene - bearing diorites it is ...
Biotite is a minor mineral that occurs ubiquitously in almost all diorites . In the pyroxene - free diorites biotite occurs as small laths of a yellow to yellowish - brown pleochroic character . In the pyroxene - bearing diorites it is ...
Contents
Preliminary geology and petrography of Swat Kohistan | 1 |
The geology of the Gandghar Range Distt Hazara N W F | 33 |
Lithological classification and environment of deposition of | 43 |
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abundant altered amphibolites appears associated bands base beds biotite body brown Bull chlorite colour common complex concentration consist contain correlated cover crystalline crystals dark deposits developed diorites distance dykes east eastern epidote exposed extend feet feldspar folded foliation Formation fractures Gandghar Range garnet Geol geology gneisses grades grains granites green grey Group Hazara hornblende inches Indus intrusions iron Kalam Kohistan latter layers light limestone locally located Lower marble material Member metals Middle miles minerals minor natural norites occur outcrop Pakistan pegmatite Peshawar phyllites places plagioclase present probably quartz quartzites rare region result River road rocks samples schists seen sericite shale shear slates solubility solutions southern stream strike structure suggest sulphide Swat temperature thick thin transport types Univ Upper usually valley varieties various veins village volcanic waters western zone