Records of the Geological Survey of India, Volume 110Geological Survey of India, 1975 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 137
... clay is primarily due to the absorp- tion of phosphate from sea water on the clay minerals and hydrous iron oxide . area . The faunal assemblage consists mainly of foraminifera ( Chatterjee and Gururaj , 1968 ) , ostracoda , minute ...
... clay is primarily due to the absorp- tion of phosphate from sea water on the clay minerals and hydrous iron oxide . area . The faunal assemblage consists mainly of foraminifera ( Chatterjee and Gururaj , 1968 ) , ostracoda , minute ...
Page 205
... clay and also glauconitic clay pellets showing limonitic to goethitic altered rims . Some of the clay pellets are limonitized . Besides this , chert , quartzite and volcanic material are also seen . The clastic grains are mostly sub ...
... clay and also glauconitic clay pellets showing limonitic to goethitic altered rims . Some of the clay pellets are limonitized . Besides this , chert , quartzite and volcanic material are also seen . The clastic grains are mostly sub ...
Page 206
... clay pellets and glauconitized and limonitized clay pellets as primary consti- tuents . Besides these , chert , quartzite , and ( rarely ) altered volcanic fragments are also present . The size of the pellets varies from 0.5 to about 2 ...
... clay pellets and glauconitized and limonitized clay pellets as primary consti- tuents . Besides these , chert , quartzite , and ( rarely ) altered volcanic fragments are also present . The size of the pellets varies from 0.5 to about 2 ...
Contents
InĂ¥r | 1 |
Recent advances in our knowledge of the Pakhal Supergroup with | 39 |
Precambrian geology of eastern India between the Ganga and | 60 |
Copyright | |
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amphibolite anorthosite Archaean arkose assemblage Banerjee basal basin beds belt Bihar charnockites Chatterjee Chhotanagpur clay conglomerate correlation Cuddapah Dalma deformation Deolond deposits Dhanjori district Dolerite dolomite Dunn Eastern epidiorites fauna fold formations fossils Gangpur garnet Geol Soc Ind Geol Surv Ind Geological Survey geologists glauconite gneisses Godavari valley Gondwana grade granite granite gneiss granulite facies heavy mineral Himalayas Hooghly Ind Miner India Indian shield Int Geol intrusive Iron Ore Group Iyengar Kaimur Kashmir lavas limestone lithological Mallampalli Mallik marine Mem Geol metamorphic Mulug Noamundi occur offshore Orissa outcrop Pakhal Pal Ind palaeontology phyllites Plate Porcellanite Pradesh Precambrian Precambrian rocks Proc Proterozoic quartz quartzite Rec Geol Surv region Rewa rift samples sand Sandstone Sarkar and Saha Sastry schists sedimentary sediments sequence Shale shear zone Singhbhum Singhbhum granite stratigraphic structures studies suggested Sullavai SURVEY OF INDIA tectonic thickness ultramafic unconformity Vindhyan younger