Memoirs of the Geological Survey of Pakistan, Volumes 7-8The Survey, 1969 |
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Page 4
... unit of porphyrites , probably of Late Cretaceous age . Magnetite ore formation is closely connected with the formation of volcanogenous rocks . Within the epidotized porphyrite beds , magnetite deposits are often lensed , wedged and ...
... unit of porphyrites , probably of Late Cretaceous age . Magnetite ore formation is closely connected with the formation of volcanogenous rocks . Within the epidotized porphyrite beds , magnetite deposits are often lensed , wedged and ...
Page
... unit B has a total thickness of approximately 5 feet . The overlying basal beds of the " Belemnite " shale are highly pyritic nodular unfossiliferous and are suggestive of a significant non sequence representing likely the time span ...
... unit B has a total thickness of approximately 5 feet . The overlying basal beds of the " Belemnite " shale are highly pyritic nodular unfossiliferous and are suggestive of a significant non sequence representing likely the time span ...
Page 10
... unit B has a total thickness of approximately 5 feet._ The overlyingbasal beds of the “ Bclcmnite ” shale are highly pyritic nodular unfossiliferous and are suggestive of a significant non sequence representing likely the time span ...
... unit B has a total thickness of approximately 5 feet._ The overlyingbasal beds of the “ Bclcmnite ” shale are highly pyritic nodular unfossiliferous and are suggestive of a significant non sequence representing likely the time span ...
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Common terms and phrases
ammonite ammonite bed antimony argillaceous limestone bed Bajocian Baluchistan Baluchistan geosynclinal development barite Bathonian Belemnite bifurcating body chamber central geosynclinal trough Chagai median massif Chiltan limestone Choffatia chromite chromite deposits Cutch described specimen diadematus Waagen disconformably Dolikephalites endogenous deposits endogenous mineralization Fatmi felsic fluorite fluorite deposits fractured genus geosynclinal holotype Homoeoplanulites indet Indian Platform Indocephalites Locality.-Wam Tangi Lower Callovian Lower Callovian ammonite Macrocephalites magmatism magnetite Massive limestone Mazar Drik formation Mazar Drik limestone metallogeny microconch molybdenum Noetling Oligocene Paleogene Paralcidia Pishin Pleurocephalites polyphemus primary ribs pyritic pyritic argillaceous limestone regularities of distribution ribbing style rocks Sembar formation sequence shale shell side view skarn southern Spath specimens internal mould Stratigraphic Range.-Lower Callovian subgenus Survey of Pakistan Takatu limestone thin bedded limestone Tithonian trifurcate ultramafic intrusions Umbilical diameter umbilical wall umbilicus Upper venter volcanogenous Vredenburg 1909 Wam Tangi West Pakistan Whorl height whorl section whorl side Whorl thickness