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 9
... DYKES Dykes are generally confined to the area where pahoehoe flows are dominant . In the area where the two types of flow occur only a few dykes are found . In the aa areas they are very rare and thin . The southern most dyke intruding ...
... DYKES Dykes are generally confined to the area where pahoehoe flows are dominant . In the area where the two types of flow occur only a few dykes are found . In the aa areas they are very rare and thin . The southern most dyke intruding ...
Page 10
... dykes become Close to the Tapi the ENE - WSW dykes are very frequently found . Some of them are upto 40 m in width and run for scores of km . While the E - W dykes give rise to ridges , the few thinner , more closely jointed , N - S ...
... dykes become Close to the Tapi the ENE - WSW dykes are very frequently found . Some of them are upto 40 m in width and run for scores of km . While the E - W dykes give rise to ridges , the few thinner , more closely jointed , N - S ...
Page 207
... dykes is between E - W and ENE - WSW . An examination of dyke rocks from Mathwar area have revealed ophitic to sub - ophitic textures . The minerals identified in the dyke rocks are olivine , augite , plagioclase , altered glass and ...
... dykes is between E - W and ENE - WSW . An examination of dyke rocks from Mathwar area have revealed ophitic to sub - ophitic textures . The minerals identified in the dyke rocks are olivine , augite , plagioclase , altered glass and ...
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