Records of the Geological Survey of India, Volume 117, Issues 1-2Vols. 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 130
... dips of basaltic sequence ( as exhi- bited by marker flow ) is common in this area . Around Hirala ( 21 ° 16 ′ : 75 ° 06 ′ ) and Tardi ( 21 ° 01 ′ : 75 ° 04 ′ 30 " ) the flows have southerly dip upto 35 ° ; such rever- sal of dips are ...
... dips of basaltic sequence ( as exhi- bited by marker flow ) is common in this area . Around Hirala ( 21 ° 16 ′ : 75 ° 06 ′ ) and Tardi ( 21 ° 01 ′ : 75 ° 04 ′ 30 " ) the flows have southerly dip upto 35 ° ; such rever- sal of dips are ...
Page
... dip . The lowermost units generally have a moderate dip varying from 30 ° to 60 ° towards the centre of the basin . This is followed towards south and southeast by a zone of almost vertical dips . In this zone local and minor inversion ...
... dip . The lowermost units generally have a moderate dip varying from 30 ° to 60 ° towards the centre of the basin . This is followed towards south and southeast by a zone of almost vertical dips . In this zone local and minor inversion ...
Page 77
... dips around 50 ° and WNW - ESE strike with steep southwesterly dips of the gneissic structures . coarse The porphyritic granites , specially the grained Jhansi Granite locally exhibit a gneissic structure marked by segregation of ...
... dips around 50 ° and WNW - ESE strike with steep southwesterly dips of the gneissic structures . coarse The porphyritic granites , specially the grained Jhansi Granite locally exhibit a gneissic structure marked by segregation of ...
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Common terms and phrases
alignment amphibolite analysis Andhra Pradesh anomaly Asstt Attended bands basalt basin bed rock belt Bihar Bijawar biotite block boreholes Bundelkhand Calcutta carried Chakraborty charnockite collected conglomerate covering an area Deccan Trap depth dips Director district Division dolerite dykes exposed feldspar folds foliation Formation geochemical geological mapping Geologist Jr geophysical geotechnical Ghosh glacier gneiss Gneissic Complex Gondwana grade grained granite granite gneiss granitoid Gupta Headquarters Hydel Project Hyderabad indicated iron-formation Jaipur Kumar limestone line km located logging Lucknow magnetite mapped an area massif metamorphism mica microcline migmatites mineral mineralisation Nagpur nala NE-SW NW-SE pegmatites phyllites plagioclase plutons porphyritic power house quartz quartz veins quartzite regional river rock types S/shri samples sandstone scale schist sediments shale Sharma shear Shillong Shillong Group Shri Singh slide slope spillway sq km Srivastava strike length studies surface surveys thick tion tonnes toposheet trending tunnel upto zone