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 133
... sampling . About 100 samples were collected . Upto a depth of one metre , laboratory studies have shown that opaques are concentrated mostly in 60 to +230 ASTM mesh and the percentage of magnetite - ilmenite varies between 2 and 18 ...
... sampling . About 100 samples were collected . Upto a depth of one metre , laboratory studies have shown that opaques are concentrated mostly in 60 to +230 ASTM mesh and the percentage of magnetite - ilmenite varies between 2 and 18 ...
Page 137
... samples were collected . A 0.85 m core and two rock samples were collected . Sediments consist mainly of dark grey clay , clayey sands with shells and coarse to medium sand . ( iii ) INS Darshak Cruise in the Gulf of Bombay and ...
... samples were collected . A 0.85 m core and two rock samples were collected . Sediments consist mainly of dark grey clay , clayey sands with shells and coarse to medium sand . ( iii ) INS Darshak Cruise in the Gulf of Bombay and ...
Page 138
... samples were collected by cruising an area of about 400,000 sq km . Detailed studies on heavy minerals , benthic foraminifera and clay minerals have been carried out . The important heavy minerals in the assemblage ( Mallik et al , 1975 ) ...
... samples were collected by cruising an area of about 400,000 sq km . Detailed studies on heavy minerals , benthic foraminifera and clay minerals have been carried out . The important heavy minerals in the assemblage ( Mallik et al , 1975 ) ...
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