Memoirs of the Geological Survey of Pakistan, Volume 7The Survey, 1969 |
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Page 3
... manganese as well as barite and barite polymetallic deposits and ore manifestations . Manganese formations are nost prominent in the south of the zone in Las Bela region where they are often confined to the Cretaceous pillow lavas ...
... manganese as well as barite and barite polymetallic deposits and ore manifestations . Manganese formations are nost prominent in the south of the zone in Las Bela region where they are often confined to the Cretaceous pillow lavas ...
Page 9
... manganese , barite - polymetallic and chromite de- posits took place . The formation of pyrite type deposits is believed to occur at this stage , which is connected with the development of volcanogenous submarine formations which are ...
... manganese , barite - polymetallic and chromite de- posits took place . The formation of pyrite type deposits is believed to occur at this stage , which is connected with the development of volcanogenous submarine formations which are ...
Page 12
... Manganese associated with marine volcanogenous beds ; 12 - Chromite ; 13 - Asbestos ; 14 - Barite and birite - galena ; 15 - Galena ( sometimes ) with barite ; 16 - Iron ore volcanogenous in association with terrestrial effusives ...
... Manganese associated with marine volcanogenous beds ; 12 - Chromite ; 13 - Asbestos ; 14 - Barite and birite - galena ; 15 - Galena ( sometimes ) with barite ; 16 - Iron ore volcanogenous in association with terrestrial effusives ...
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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