Geological Bulletin, Volume 6University of Peshawar, 1971 - Geology |
From inside the book
Results 1-3 of 13
Page 6
... sericite , and epidote or , rarely , clinozoisite . In some , one or more of the last three may be a bundant , especialiy , along certain bands . Many of the rocks also contain variable quantities of ore and , in some , chlorite , green ...
... sericite , and epidote or , rarely , clinozoisite . In some , one or more of the last three may be a bundant , especialiy , along certain bands . Many of the rocks also contain variable quantities of ore and , in some , chlorite , green ...
Page 14
... sericite . In the ignimbritic types , the lithic fragments and crystals always lie in a reddish groundmass that is mainly made of welded glass shards ( Fig . 3 ) . In some , the glassy base seems to be devitrified . Many of the lithic ...
... sericite . In the ignimbritic types , the lithic fragments and crystals always lie in a reddish groundmass that is mainly made of welded glass shards ( Fig . 3 ) . In some , the glassy base seems to be devitrified . Many of the lithic ...
Page 14
... sericite , chlorite and clay ; the hornblende may be chloritized and the ore hematitized . Chlorite and epidote may also occur in groundmass which is loaded with reddish ore dust in some . Large patches of secondary sphene are ...
... sericite , chlorite and clay ; the hornblende may be chloritized and the ore hematitized . Chlorite and epidote may also occur in groundmass which is loaded with reddish ore dust in some . Large patches of secondary sphene are ...
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 |
5 other sections not shown
Other editions - View all
Common terms and phrases
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