Records of the Geological Survey of India, Volume 129, Part 2Government of India, 1994 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 150
... sand content in these sediments varies between 61 and 98 per- cent . The sandy layers often contain shell zones , calcareous concretions and weathered rock frag- ments . Calcareous concretions often occur at the top of the silty sand ...
... sand content in these sediments varies between 61 and 98 per- cent . The sandy layers often contain shell zones , calcareous concretions and weathered rock frag- ments . Calcareous concretions often occur at the top of the silty sand ...
Page 161
... sand / clay . This layer is of lighter tone and occurs as discontinuous patches and tapers on either side . Sediment distribution in the area indicates finer to coarse sand in the central part flanked on the deeper side by clay ( down ...
... sand / clay . This layer is of lighter tone and occurs as discontinuous patches and tapers on either side . Sediment distribution in the area indicates finer to coarse sand in the central part flanked on the deeper side by clay ( down ...
Page 173
... sand , i.e. a fine to medium olive green sand occurring in the northern part of the area and the other a very coarse brown sand occurring in the southern part of the area . The fine to medium sand comprises mainly quartz , with small ...
... sand , i.e. a fine to medium olive green sand occurring in the northern part of the area and the other a very coarse brown sand occurring in the southern part of the area . The fine to medium sand comprises mainly quartz , with small ...
Contents
CENTRAL HEADQUARTERS 165 | 11 |
Central Petrological Laboratories | 26 |
Geodata and Database Division | 43 |
Copyright | |
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aeromagnetic airborne geophysical AMSE Wing analysis Andhra Pradesh anomalies bands Barakar Barakar Formation Barren Measure basemetals basin Bengal Bhutan Bihar block boreholes Buxa carried charnockite clay coal seam zones coarse core covered cruise Deccan Trap deposition depth DISTRICT Division drilling east eastern EXPLORATION FOR COAL faults field season foliation geochemical GEOLOGICAL MAP gneiss gold Gondwana grade grained granite grey ground evaluation Group heavy minerals India indicated intersected intrusives investigation isobath Karnataka Kerala lignite limestone line km lineaments located Lower Kamthi Madhya Pradesh magnetic medium metamorphism migmatite mineralisation multisensor northern NW-SE occur Orissa phyllite programme quartz quartzite Rajasthan range Raniganj Raniganj Formation REGIONAL EXPLORATION rocks samples Samtse district sand sandstone scale schist schist belt seabed seam zones sector sediments shale shallow silty Sohagpur Coalfield southern sq km sq.km studies sulphide survey Talchir Tamil Nadu thickness tion toposheet trending unit upto Valley varies