Records of the Geological Survey of India, Volume 128, Part 8The Survey, 1993 - 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 23
... gneiss , porphyritic gneiss with minor bands of augen gneiss and migmatites with interfoliated schist . predominantly ' B ' Formation comprises metasedimentaries with minor gneiss bands . Metasedimentaries include biotite - schist ...
... gneiss , porphyritic gneiss with minor bands of augen gneiss and migmatites with interfoliated schist . predominantly ' B ' Formation comprises metasedimentaries with minor gneiss bands . Metasedimentaries include biotite - schist ...
Page 72
... gneiss ; 3. Porphyroblastic gneiss : 4. Biotite muscovite granite gneiss with plagioclase porphyroblasts . 5. Muscovite granite ; 6. Tourmaline granite ; 7. Biotite granite ; 8. Aplite vein ( Tourmaline bearing ) ; 9. Pegmatite vein ...
... gneiss ; 3. Porphyroblastic gneiss : 4. Biotite muscovite granite gneiss with plagioclase porphyroblasts . 5. Muscovite granite ; 6. Tourmaline granite ; 7. Biotite granite ; 8. Aplite vein ( Tourmaline bearing ) ; 9. Pegmatite vein ...
Page 75
... gneiss / schist : 3 . Migmatised gneiss and porphyroblastic gneiss ; 4. Granite gneiss ( streaky gneiss , quartz - mica gneiss , muscovite - biotite granite gneiss ) : 5. Grey banded psamatic gneiss with bands of quartzite and impure ...
... gneiss / schist : 3 . Migmatised gneiss and porphyroblastic gneiss ; 4. Granite gneiss ( streaky gneiss , quartz - mica gneiss , muscovite - biotite granite gneiss ) : 5. Grey banded psamatic gneiss with bands of quartzite and impure ...
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Common terms and phrases
Alluvium amphibolite bands basin bedrock biotite borehole clay comprises covered Dehradun district Delhi deposits depth dips district dolomite drilled exposed Field Season Flood Plain fluvial Formation Ganga Garhwal Group geochemical geoenvironmental geological and geomorphological geological mapping geomorphological geomorphological map geophysical geotechnical glacier gneiss gold grained granite grey groundwater Haryana Himachal Pradesh Himalaya indicated Jammu Kangra kankar Ladakh landslide limestone lithounits logging micaceous mineral nala NW-SE Older Flood Plain phyllite Pithoragarh district power house Quadrangle quartz quartz veins quartzite Quaternary geological Quaternary sediments Ramganga Region river rock samples sand sandstone Satluj scale schist sequence shale shear zone silt Singh Siwalik slate slope soil Sonbhadra district sq km studies surface tectonic Tehri Terrace Alluvium thick tion traverses trending tunnel Upper upto Uttar Pradesh UTTARKASHI DISTRICT valley Varanasi VOAP volcanics Yamuna एवं का किया गया की के क्षेत्र तथा में है