Memoirs of the Geological Survey of Pakistan, Volume 7The Survey, 1969 |
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Page 7
... Early ( stage of true geosnyclinal deve- lopment ) . Late . Paleozoic ( Perminan ) -Mesozoic- Early Paleogene . in Iron - ore and skarn - type copper deposits are supposed relation with plagiogranite intrusions . There is a pos- sible ...
... Early ( stage of true geosnyclinal deve- lopment ) . Late . Paleozoic ( Perminan ) -Mesozoic- Early Paleogene . in Iron - ore and skarn - type copper deposits are supposed relation with plagiogranite intrusions . There is a pos- sible ...
Page 9
... early stage of geosynclinal development , the formation of 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 ...
... early stage of geosynclinal development , the formation of 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 ...
Page 10
... early stage and forms in- dependent ore manifestations in the middle stage . One can suppose that barite and mercury mineralizations can be displayed both in early and later stages . This question however requires additional studying ...
... early stage and forms in- dependent ore manifestations in the middle stage . One can suppose that barite and mercury mineralizations can be displayed both in early and later stages . This question however requires additional studying ...
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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