Geological Bulletin, Volumes 4-6Peshawar University Press, 1971 |
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Page 65
... locally contain garnet , indicating some degree of metamorphism . The Warsak alkaline granite , which is largely aphyric , shows very little sign of metamorphism . Locally , especially along the margins , a gneissose tex- ture is ...
... locally contain garnet , indicating some degree of metamorphism . The Warsak alkaline granite , which is largely aphyric , shows very little sign of metamorphism . Locally , especially along the margins , a gneissose tex- ture is ...
Page 68
... locally in the granite but contamination effects , beyond local development of biotite and amphibole layers , are small . As already stated , all the granites can be seen to be younger than the metabasic rocks but there is no clear ...
... locally in the granite but contamination effects , beyond local development of biotite and amphibole layers , are small . As already stated , all the granites can be seen to be younger than the metabasic rocks but there is no clear ...
Page 19
... locally cloudy , especially along certain zones and cores . Sericite , clay and , in some , epidote are common alteration products . In a few , the inner parts of the plagioclase may be crowded with inclusions . Zoning may be ...
... locally cloudy , especially along certain zones and cores . Sericite , clay and , in some , epidote are common alteration products . In a few , the inner parts of the plagioclase may be crowded with inclusions . Zoning may be ...
Contents
Mianwali Group Redefined By B R Husain | 14 |
The Study of the Joint Patterns and the other Structures of the Manki Slate | 24 |
Stratigraphic Studies of the Nowshera Reef Complexes Nowshera Tehsil | 33 |
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Common terms and phrases
abundant Ahmad alkaline granite alluvium altered amphibole amphibolites Attock Attock Shale Attock-Cherat Range bands beds biotite Bull calcareous calcite carbonate cent Cherat chlorite colour composed contain correlated crystals dark deposits diorites dolomitic epidote exposed feet thick feldspar folded fossils fractures Gandghar Gandghar Range garnet Geol geology Gilgit Gilgit Agency gneisses grains graphite green grey groundmass Hazara hornblende Hornblendic Group Ibid igneous Indus intrusions Kalam Kandar Khan Khewra Khwar Khyber Agency Kohistan limestone lithological Lower Manki Slate marble Masjid Formation metamorphism metasedimentary miles minerals minor Misri Banda Quartzite Mohmand Nala norites Nowshera occur outcrops Palaeozoic pegmatites peridotites Peshawar phenocrysts phyllites plagioclase pleochroic pyroxene quartzite reef complex Reef Core region River samples sandstone Schistose Group schists sediments Shah shale Silurian Siluro-Devonian solutions sphene Stauffer stratigraphic structure sulphide Surv Tahirkheli Tertiary texture thin sections ultramafic Upper Swat valley village Warsak weathered West Pakistan zone