Memoirs of the Geological Survey of Pakistan, Volume 7The Survey, 1969 |
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Page 8
... present time . Their discovery is however quite possible . Besides , in some ore belts one or another type of prospective mineralization , which at present is not dominating there , is represented only by small ore manifestations though ...
... present time . Their discovery is however quite possible . Besides , in some ore belts one or another type of prospective mineralization , which at present is not dominating there , is represented only by small ore manifestations though ...
Page 9
... present of minor significance . Within the belt , numerous iron ore occurrences are also known ; they include in particular the Chilgazi magnetite deposit composed of magnetite lenses in terrestrial porphyrites . Although ore ...
... present of minor significance . Within the belt , numerous iron ore occurrences are also known ; they include in particular the Chilgazi magnetite deposit composed of magnetite lenses in terrestrial porphyrites . Although ore ...
Page 10
... present , out of this general regularity , two pronounced exceptions are marked . The first is due to the appearance of small chromite deposits in Ras Koh range , which are beyond the chromite ore belt , in the tectonic suture bordering ...
... present , out of this general regularity , two pronounced exceptions are marked . The first is due to the appearance of small chromite deposits in Ras Koh range , which are beyond the chromite ore belt , in the tectonic suture bordering ...
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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