Geological Bulletin, Volume 5University of Peshawar - Geology |
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Page 32
... feldspar and minor epidote , muscovite , biotite and ( ? ) quartz . Quartz is undulose and , in rare cases , clearly surrounds corroded amphibole . The finer grained material may be a feldspar that has been intensely altered . However ...
... feldspar and minor epidote , muscovite , biotite and ( ? ) quartz . Quartz is undulose and , in rare cases , clearly surrounds corroded amphibole . The finer grained material may be a feldspar that has been intensely altered . However ...
Page 46
... feldspar , quartz and mica with minor proportions of epidote , garnet , chlorite , ore , apatite and , in some , hornblende and rutile . The feldspar is both plagioclase and potash variety one of which may be suppressed in some . The ...
... feldspar , quartz and mica with minor proportions of epidote , garnet , chlorite , ore , apatite and , in some , hornblende and rutile . The feldspar is both plagioclase and potash variety one of which may be suppressed in some . The ...
Page 47
... feldspar , quartz and epidote . The small pegmatites associated with these rocks are quartz and feldspar - bearing with biotite , muscovite ( at places in patches ) and traces of garnet in some . Some miles to the east of the major bend ...
... feldspar , quartz and epidote . The small pegmatites associated with these rocks are quartz and feldspar - bearing with biotite , muscovite ( at places in patches ) and traces of garnet in some . Some miles to the east of the major bend ...
Contents
Vol | 1 |
Vol | 5 |
Petrography of the upper part of Kohistan and southwestern Gilgit | 27 |
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Common terms and phrases
abundant Ahmad Ali Masjid altered amphibole amphibolites Attock Attock Slates Attock-Cherat Range bands biotite Bull calcareous calcite carbonate Carboniferous Cherat chlorite colour correlated Cretaceous cross-bedding Darwazai deposits Devonian diorites dolomite epidote exposed feet thick feldspar fossils fractures garnet Geol geology Gilgit Agency gneisses grains granitic green grey Hazara District hornblende Ibid igneous India Indus River intrusions Jamrud Jan and Tahirkheli Jour Khan Khattak Khewra Formation Khwar Khyber Agency Kohat Kohistan Landikotal Slate limestone lithological Manki Slate Masjid Formation metamorphism metasedimentary miles minerals minor Mohmand Agency muscovite nala norites Nowshera occur outcrops Palaeozoic Paleocene Panjab Univ pegmatites Peshawar phyllites plagioclase pyroxene quartz quartzite reef region Rehman Ripple Marks rocks Salt Range sandstone Schistose Group schists sedimentary Shagai Shagai Limestone Shah Dheri shale Silurian Siluro-Devonian slaty shale Stauffer stratigraphic structures Surv Tertiary thin bedded Thin Section ultramafic veins weathered West Pakistan yellowish