Memoirs of the Geological Survey of Pakistan, Volumes 7-8The Survey, 1969 |
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Page 4
... whorl sides are gently convex converging towards an acute tricarinate venter ... side towards the venterolateral margin . Some ribs bifurcate from near the ... Whorl height 17.0 ( 53 % ) ( 50 % ) Whorl thickness 8.0 ( 25 % ) ( 25 ...
... whorl sides are gently convex converging towards an acute tricarinate venter ... side towards the venterolateral margin . Some ribs bifurcate from near the ... Whorl height 17.0 ( 53 % ) ( 50 % ) Whorl thickness 8.0 ( 25 % ) ( 25 ...
Page 5
... whorls involute , outer whorl accentri- cally coiled . Body chamber hook shaped in side view and contracted with a flared collar at the apertural end . Septate whorl cadiconic much more depressed than high , becoming contracted on body ...
... whorls involute , outer whorl accentri- cally coiled . Body chamber hook shaped in side view and contracted with a flared collar at the apertural end . Septate whorl cadiconic much more depressed than high , becoming contracted on body ...
Page 6
... whorl section is oval with arched venter and whorl sides . The umbilicus is narrow and has a vertical umbilical wall ... side . The ribs bifurcate and trifurcate . Some of the trifurcating ribs behave as intercalatory extending to about 2 / ...
... whorl section is oval with arched venter and whorl sides . The umbilicus is narrow and has a vertical umbilical wall ... side . The ribs bifurcate and trifurcate . Some of the trifurcating ribs behave as intercalatory extending to about 2 / ...
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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