Geological Bulletin, Volume 14University of Peshawar, 1981 - Geology |
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Page 33
... variation due to layering , banding and segregation . The layers , in general conformity with the country rocks , trend E - W with steep north- wards dips . Although distinct parallel fabric , suggesting deformation , is seen 33.
... variation due to layering , banding and segregation . The layers , in general conformity with the country rocks , trend E - W with steep north- wards dips . Although distinct parallel fabric , suggesting deformation , is seen 33.
Page 38
... layers which are generally thin ( a few centimeters ) . In these , carbonate is up to 25 % whilst dark mica , alkali amphibole or alkali pyroxene may reach 45 % to 50 % . It is worth noting that whilst in the carbonatite " layers ...
... layers which are generally thin ( a few centimeters ) . In these , carbonate is up to 25 % whilst dark mica , alkali amphibole or alkali pyroxene may reach 45 % to 50 % . It is worth noting that whilst in the carbonatite " layers ...
Page 135
... layers . Minor amount of a second generation of muscovite is developed at an angle to the foliation . Almandine garnet is present as light brown irregularly subhedral shaped porphyroblasts generally deformed , fractured and somewhat ...
... layers . Minor amount of a second generation of muscovite is developed at an angle to the foliation . Almandine garnet is present as light brown irregularly subhedral shaped porphyroblasts generally deformed , fractured and somewhat ...
Contents
Petrography of the Loe Shilman Carbonatite Complex Khyber Agency | 29 |
Major Elements Abundance in the Kalam Lavas | 45 |
Sections of the Wargal Limestone Western Salt Range Pakistan | 63 |
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albite albite-carbonate albitites alkaline granites alkaline rocks almandine Amph amphibole andesite apatite associated band beds betafite biotite blueschists brown Bull calc-alkaline calcareous calcite carbonate carbonatite Chaudhry chlorite clinopyroxene complex contain country rocks Desio diorites dolerites dolomite epidote fault feldspar fine-grained Formation gabbroic rocks gabbros Geol Geology gneisses grains granitic belt granitic gneisses granitic rocks granodiorite graphitic schists Himalayas hornblende igneous Indus intrusions island arc Jurassic Kalam volcanic zone Karakoram KASC Kempe and Jan Khyber Agency Kohistan magmatic magnetite Mansehra margin Mauji metamict metamorphism metasediments mica microfacies minerals MODAL COMPOSITION muscovite northern occur outcrop Pakistan pegmatite Peshawar Plain petrography petrology plagioclase pluton Punjab Univ pyrite pyrochlore pyroxenites quartz quartzite range region Reshian rhyolite river samples sandstones schistosity schists sediments sequence shales Shangla Shilman Siwalik sphene subduction suggest Swat syenites Tahirkheli Tarbela tectonic ultramafic University of Peshawar veins Warsak