Records of the Geological Survey of India, Volume 111, Part 2The Survey, 1976 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 201
... basalt flows . The thickness of the traps in the area lying around Mathwar is about 650 metres where it has also the maximum development , but , in the north , the total thickness of flows does not exceed 100 m . The individual basalt ...
... basalt flows . The thickness of the traps in the area lying around Mathwar is about 650 metres where it has also the maximum development , but , in the north , the total thickness of flows does not exceed 100 m . The individual basalt ...
Page 202
... basalt , phenocrysts are distinctly visible vesicles filled up by chert 31 358-389 Weathered zone .......... II Dark , massive , compact , porphyritic basalt , phenocrysts are distinctly visible , vesicles filled up by chert 30 328-358 ...
... basalt , phenocrysts are distinctly visible vesicles filled up by chert 31 358-389 Weathered zone .......... II Dark , massive , compact , porphyritic basalt , phenocrysts are distinctly visible , vesicles filled up by chert 30 328-358 ...
Page 203
... basalt 2.96 showing spheroidal weathering and columnar joints . Feldspar phenocrysts are observed megas- copically Petrography of the Flows Petrography Basalts show wide range of variations in their grain size , compactness ( fine to ...
... basalt 2.96 showing spheroidal weathering and columnar joints . Feldspar phenocrysts are observed megas- copically Petrography of the Flows Petrography Basalts show wide range of variations in their grain size , compactness ( fine to ...
Contents
Structure and Metamorphism of the Area Between Haveri and Ranibennur Dharwar District Karnataka | 41 |
Structural Geology of Northwest Part of Hazaribagh District BiharU Prasad | 49 |
A Model for Reclassification of Precambrian Rocks of IndiaS | 57 |
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amphibolite Andaman anomaly zone aquifer Archaean axis Baratang Baruipur basalt belt Bihar borehole charnockites chlorite clays coal conglomerate copper Deccan Trap Deltaic Plain deposits depth dips district dykes facies faults ferruginous quartzite flysch folds foliation fractures geochemical Geol GEOLOGICAL MAP Geological Survey geophysical Geothermal Province gneiss Grade grained granite graphite groundwater Group hematite hematite rock horizon hot springs India indicated jaspilite Jhabua district joints Karewa Karnataka Koyna Laterite lavas lineation located lode magnetic Mandsaur district manganese metamorphism metres mineralised minerals non-coking North Tirodi occur olivine pahoehoe pahoehoe flows Pawnia phenocrysts pits plagioclase Plate plunging Precambrian quartz quartzite radiolarite region ridge river samples sand sandy schist sedimentary sediments serpentinites shale shear zone Singhbhum soil steam stratigraphic structure sulphide surface Surv Survey of India Table tectonic thermal thickness tion traverse Turamdih area Unconformity Unpublished GSI Report upto Valley vertical weathered