Memoirs of the Geological Survey of Pakistan, Volume 12The Survey, 1977 |
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Page 13
... unit . The oldest unit in the Attock formation as described above is the Shahkotbala formation ' which is represented by lithologies of shale and limestone and has a total thickness of about 70m . According to Tahirkheli ( 1970 , p . 10 ) ...
... unit . The oldest unit in the Attock formation as described above is the Shahkotbala formation ' which is represented by lithologies of shale and limestone and has a total thickness of about 70m . According to Tahirkheli ( 1970 , p . 10 ) ...
Page 32
... unit of the presently described Kathwai Member which is above the " Ophiceras Zone " ; while by others ( Schindewolf , 1954 ) the boundary was placed in the middle of a white sandstone unit which is the highest bed of Chhidru Formation ...
... unit of the presently described Kathwai Member which is above the " Ophiceras Zone " ; while by others ( Schindewolf , 1954 ) the boundary was placed in the middle of a white sandstone unit which is the highest bed of Chhidru Formation ...
Page 33
... unit fall in one zone namely Anchig- nathodus typicalis . The main evolutionary line of Late Permian continues in the Triassic with- out much change . The acritarchs of upper most Permian have a strongly Mesozoic aspect . On the other ...
... unit fall in one zone namely Anchig- nathodus typicalis . The main evolutionary line of Late Permian continues in the Triassic with- out much change . The acritarchs of upper most Permian have a strongly Mesozoic aspect . On the other ...
Contents
FOREWORD | 1 |
Tanawal formation | 8 |
Khyber undifferentiated carbonate complex | 15 |
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Ahmad ammonoids assigned Axial Belt Baluchistan Basin beds brown calcareous clay coal colour composed conformably conglomerate contains correlated Cretaceous dark deposits described designated developed District dolomite Early eastern Eocene exposed extend fauna foraminifers formation fossils Geol Geological grade grained green greenish grey Hazara hills Hunting Survey Corporation India indicates iron Jurassic Kala Chitta Khan Khisor Khyber Kirthar Province Kohat Kohat-Potwar Province Late light grey lime limestone lithology Lower Indus Basin mainly marl massive mation metres Middle mineral Nala Neocomian northern Nummulites occur overlain overlies Pakistan Permian places Pleistocene present Province quartzite Quetta recorded region reported represents reserves rocks Salt Range sand sandstone sequence Series Shah shale slate southern stone Stratigraphic subordinate Sulaiman Province Surv Survey Corporation 1961 thick thin tion tonnes Triassic type locality type section unconformably unit upper varies volcanic weathering West western Zone