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The umbilicus is narrow and the umbilical wall is gently inclined first than steeply
towards the umbilical seam . The ornamentation consists of weak , broad ribs
which are more distinct on the upper half of whorl side towards the venterolateral
...
The umbilicus is narrow and the umbilical wall is gently inclined first than steeply
towards the umbilical seam . The ornamentation consists of weak , broad ribs
which are more distinct on the upper half of whorl side towards the venterolateral
...
Page
Septate whorl cadiconic much more depressed than high , becoming contracted
on body chamber . Umbilicus small , oval shape in septate portion enlarging
rapidly on the body chamber and the umbilical seam , taking a right angle turn at
the ...
Septate whorl cadiconic much more depressed than high , becoming contracted
on body chamber . Umbilicus small , oval shape in septate portion enlarging
rapidly on the body chamber and the umbilical seam , taking a right angle turn at
the ...
Page
The umbilicus is narrow and has a vertical umbilical wall and sharply rounded
umbilical shoulder . The primary ribs are rursiradiate on the umbilical wall and
shoulder , recurving to prorsiradiate on the whorl side . The ribs bifurcate and ...
The umbilicus is narrow and has a vertical umbilical wall and sharply rounded
umbilical shoulder . The primary ribs are rursiradiate on the umbilical wall and
shoulder , recurving to prorsiradiate on the whorl side . The ribs bifurcate and ...
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Alpine ammonite ammonite bed antimony argillaceous Arkell associated Baluchistan geosynclinal barite Bela Belemnite belt body chamber Bomburites border central geosynclinal trough Chagai median massif characteristic characterized Chiltan limestone Choffatia chromite chromite deposits closely comparable complex confined connected consider copper correlation Cretaceous Cutch described diameter Dimensions distinguished distribution early effusives endogenous deposits endogenous mineralization extending fauna figured folded followed formation formed fractured geological Geological Survey geosynclinal development Jurassic Kheraiceras known late limits Lower Callovian Macrocephalites magmatism manifestations Mazar Drik metallogeny Middle molybdenum Nakus Neocomian Noetling occur Oligocene origin outline Paralcidia Pishin-Makran Platform possible present pyritic region regularities relation represented ribs rocks sedimentation sequence shale shell skarn southern Spath specimen stage structures submarine Survey of Pakistan thickness thin took ultramafic intrusions umbilical unit Upper Waagen Wam Tangi West Pakistan whorl section whorl side widely zone