Memoirs of the Geological Survey of Pakistan, Volume 7The Survey, 1969 |
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Page 2
... lenses and irregular bodies and rarer by sheetlike deposits . Chrome deposits in th Hindubagh region were evidently formed in the early Paleogene time . This is evidenced by distinct contacts of ultra mafic rocks with surrounding ...
... lenses and irregular bodies and rarer by sheetlike deposits . Chrome deposits in th Hindubagh region were evidently formed in the early Paleogene time . This is evidenced by distinct contacts of ultra mafic rocks with surrounding ...
Page 3
... lens - like barite body lying among the Jurassic imestones . Its dimensions exceed 1,200 m in length , with deposit thickness varying from 3-6 m in the south to 15 m in he north . Galena occurs in barite ores . In the region of the ...
... lens - like barite body lying among the Jurassic imestones . Its dimensions exceed 1,200 m in length , with deposit thickness varying from 3-6 m in the south to 15 m in he north . Galena occurs in barite ores . In the region of the ...
Page 9
... lenses in terrestrial porphyrites . Although ore mineralization is widely developed within ore belt , it is represented by nonpros- pective genetic types which usually do not form important industrial quantities in similar structural ...
... lenses in terrestrial porphyrites . Although ore mineralization is widely developed within ore belt , it is represented by nonpros- pective genetic types which usually do not form important industrial quantities in similar structural ...
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Common terms and phrases
Afghanistan Alpine geosynclinal antimony Baluchistan Alpine Baluchistan geosynclinal development barite barite-polymetallic Bela region border central geosynclinal trough central geosynclinal zone Chagai median massif chalcopyrite characteristic characterized chromite deposits chromite ore belt complex confined copper and molybdenum copper-molybdenum Cretaceous Dalbandin distribution of endogenous Early Paleogene endogenous deposits endogenous mineralization Eocene epithermal felsic Fluorite deposits folded structures formation formed fracture zones fractured intrusions gabbro geological development geological structure Geological Survey geosynclinal regime geosynclinal trough zone granodiorite hematite Hindubagh region hydrothermal Indian Platform Khuzdar Las Bela lenses limestones Magmatism magnetite main folding Makran manganese manifestations Mesozoic metallogenic features metallogeny mineral deposits molybdenum Neogene North Waziristan occur Oligocene orebearing structures Paleogene Pishin Pishin-Makran trough Pishin-Makran zone plagiogranites porphyrites Quetta regularities of distribution schists sedimentation skarn southern structural zones submarine effusives Survey of Pakistan terrestrial effusives Tethys thickness took place ultramafic intrusions ultramafic rocks volcanogenous West Pakistan widely developed