Memoirs of the Geological Survey of Pakistan, Volumes 7-8The Survey, 1969 |
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Page 4
... shell is septate , compressed , involute , oxyconic with a fastigate to weekly tricarinate venter The whorl sides are gently convex converging towards an acute tricarinate venter . The umbilicus is narrow and the umbilical wall is ...
... shell is septate , compressed , involute , oxyconic with a fastigate to weekly tricarinate venter The whorl sides are gently convex converging towards an acute tricarinate venter . The umbilicus is narrow and the umbilical wall is ...
Page 5
... shell is small ( 40 mm . in diameter ) adult ( microconch ) having a hook shaped body chamber which occupies half of the last whorl . The septate whorls are tightly coiled in a spindle shape fashion and has a small oval shape umbilicus ...
... shell is small ( 40 mm . in diameter ) adult ( microconch ) having a hook shaped body chamber which occupies half of the last whorl . The septate whorls are tightly coiled in a spindle shape fashion and has a small oval shape umbilicus ...
Page 6
... shell is involute , moderately compressed , much higher than wide . The whorl section is oval with arched venter and whorl sides . The umbilicus is narrow and has a vertical umbilical wall and sharply rounded umbilical shoulder . The ...
... shell is involute , moderately compressed , much higher than wide . The whorl section is oval with arched venter and whorl sides . The umbilicus is narrow and has a vertical umbilical wall and sharply rounded umbilical shoulder . The ...
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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