Records of the Geological Survey of India, Volume 124, Part 6The Survey, 1991 - 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 64
... joints in two or three tiers are noticed in Flows V to VIII and horizontal to sub- horizontal sheet joints are present in Flow VII . The flows are almost sub - horizontal . The gradient is towards NNE and NE direction . The area is ...
... joints in two or three tiers are noticed in Flows V to VIII and horizontal to sub- horizontal sheet joints are present in Flow VII . The flows are almost sub - horizontal . The gradient is towards NNE and NE direction . The area is ...
Page 168
... joints traverse the rockmass . The joints are closely spaced in phyllites and thinly bedded quartzite units imparting a ravelling tendency and easy erodability in the cleared rockmass domains resulting in gaping joints near the surface ...
... joints traverse the rockmass . The joints are closely spaced in phyllites and thinly bedded quartzite units imparting a ravelling tendency and easy erodability in the cleared rockmass domains resulting in gaping joints near the surface ...
Page 181
... joints , calcite veins traverse along and across the above mentioned joint planes . Thermal activity is also observed within basic dyke / sill in northern part of the area . The subsurface geological data obtained from ANH - 1 borehole ...
... joints , calcite veins traverse along and across the above mentioned joint planes . Thermal activity is also observed within basic dyke / sill in northern part of the area . The subsurface geological data obtained from ANH - 1 borehole ...
Contents
GEOLOGICAL MAPPING 1 to 106 | 13 |
MINERAL INVESTIGATIONS 107 to 154 | 113 |
GEOTECHNICAL INVESTIGATIONS 155 to | 169 |
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Common terms and phrases
aa flows Alluvium bands basalt flows basemetal basin Bastar district Bhander block borehole chert clay compound pahoehoe flows comprises Deccan Trap Denwa deposits depth drilling dykes Economic Geology Division ENE-WSW exposed faults felspar field season flow groups fossils fragmentary top geochemical Geologist Jr geophysical gneiss Gondwana gradient holes indicate intrusive Jabalpur joints Lameta laterite lava pile limestone lineament Madhya Pradesh MADHYA PRADESH Code MAHARASHTRA MAHARASHTRA Code massive medium grained metabasic mineralisation minerals moderately porphyritic Nagpur Narmada non-porphyritic occur pahoehoe Parsora pegmatites phenocrysts phyllite plagioclase porphyritic Precambrian Project pyrite quartz quartz reefs quartz veins quartzite red bole Regional Geology Division Rewa river rock Sakoli samples sandstone Sausar scale scheelite schist sediments sequence shale shear zone sparsely porphyritic sq km stratigraphic structure studies Supergroup Systematic geological mapping thick Tiki tion toposheet trending Unconformity Upper upto vesicular Vindhyan Supergroup volcanic Yavatmal YAVATMAL DISTRICTS