Geological Bulletin, Volume 14University of Peshawar, 1981 - Geology |
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Page 34
The carbonatites are mainly composed of calcite or dolomite but other
carbonates (Srolcite or strontianite, siderite) have also been found. Other
minerals include apatite (almost ubiquitous), alkali pyroboles, biotite/phlogopite,
sphene, opaque ...
The carbonatites are mainly composed of calcite or dolomite but other
carbonates (Srolcite or strontianite, siderite) have also been found. Other
minerals include apatite (almost ubiquitous), alkali pyroboles, biotite/phlogopite,
sphene, opaque ...
Page 102
The emerald-bearing rocks consist of carbonate (calcite/dolomite but some is
stained brown and may be siderite), talc, serpentine, and minor opaque oxide.
Bright green chromian mica (fuchsite) and chlorite, and quartz occur in some
rocks ...
The emerald-bearing rocks consist of carbonate (calcite/dolomite but some is
stained brown and may be siderite), talc, serpentine, and minor opaque oxide.
Bright green chromian mica (fuchsite) and chlorite, and quartz occur in some
rocks ...
Page 103
Other minerals found in these rocks are actinolite, sphene, calcite, and apatite. A
most peculiar rock of Shangla area consists of pure calcite with some blue
amphibole. Like many others, the Shangla blueschists are found in the form of
lenses ...
Other minerals found in these rocks are actinolite, sphene, calcite, and apatite. A
most peculiar rock of Shangla area consists of pure calcite with some blue
amphibole. Like many others, the Shangla blueschists are found in the form of
lenses ...
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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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Common terms and phrases
albite albite-carbonate albitites 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 garnet 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 magma magnetite Mansehra margin Mauji metamorphism metasediments mica microfacies minerals MODAL COMPOSITION muscovite northern occur outcrop Pakistan pegmatite Peshawar Plain petrography petrology phases plagioclase pluton present Punjab Univ pyrite pyrochlore pyroxene 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 tourmaline ultramafic University of Peshawar uranium veins Wargal Limestone Warsak