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 187
... quartz - arenite consisting predominantly of quartz ( more than 90 % ) and minor amounts of polycrystalline quartz with magnetite , apatite , tourmaline and sphene as accessories . The Khajrahat Limestone of Barora section is dark grey ...
... quartz - arenite consisting predominantly of quartz ( more than 90 % ) and minor amounts of polycrystalline quartz with magnetite , apatite , tourmaline and sphene as accessories . The Khajrahat Limestone of Barora section is dark grey ...
Page 189
... quartz- arenite consisting of closely packed aggregate of well sorted subrounded grains of quartz cemented by authigenic silica . Orthoclase , plagioclase , microcline , polycry- stalline quartz , tourmaline , epidote , zircon , sphene ...
... quartz- arenite consisting of closely packed aggregate of well sorted subrounded grains of quartz cemented by authigenic silica . Orthoclase , plagioclase , microcline , polycry- stalline quartz , tourmaline , epidote , zircon , sphene ...
Page 197
... quartz , chlorite , epidote and calcite . In some varieties the ferromagnesians filling the vesicles , have a core of quartz while in others the vesicles are filled in by ferromag- nesian minerals . At places these infillings give a ...
... quartz , chlorite , epidote and calcite . In some varieties the ferromagnesians filling the vesicles , have a core of quartz while in others the vesicles are filled in by ferromag- nesian minerals . At places these infillings give a ...
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