Records of the Geological Survey of India, Volume 113, Part 6The Survey, 1984 - 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. |
From inside the book
Results 1-3 of 32
Page 43
... material and of the fragmentary phase are detailed under the descrip- tion of tuffs , as similar fragments , though smaller size , are present in the tuffaceous rocks also . Tuffs : Tuffs are medium to fine grained lithified volcanic ...
... material and of the fragmentary phase are detailed under the descrip- tion of tuffs , as similar fragments , though smaller size , are present in the tuffaceous rocks also . Tuffs : Tuffs are medium to fine grained lithified volcanic ...
Page 49
... material with occasional fragments of shale and siltstone , in a matrix composed of glass , shards , dusty ash and minor proportion of ferru- ginous material . It has been observed that lapilii tuffs generally contain a fairly large ...
... material with occasional fragments of shale and siltstone , in a matrix composed of glass , shards , dusty ash and minor proportion of ferru- ginous material . It has been observed that lapilii tuffs generally contain a fairly large ...
Page 61
... material that solidified in the last stages groundmass crystallisation are present in all the samples , varying from 6.0 % ( flow Bu - 4 ) to 20.0 % ( flow Bu - 5 ) by volume . Glass is often charged with opaque oxides and also contain ...
... material that solidified in the last stages groundmass crystallisation are present in all the samples , varying from 6.0 % ( flow Bu - 4 ) to 20.0 % ( flow Bu - 5 ) by volume . Glass is often charged with opaque oxides and also contain ...
Contents
Geochemical distribution of Trace Elements Over the mineralised fault zone PAGE | 1 |
Geology of parts of Abujhmar area Narainpur Tehsil Bastar district Madhya | 24 |
Geological and Petrographic Studies of the Deccan Basalt Flows | 33 |
3 other sections not shown
Other editions - View all
Common terms and phrases
Abujhmar alluvium assemblages augite basalt flows basin Bastar biotite block Bombay Island bore holes brown Buldana calcite charnockites chert cherty phosphorite chlorite clay clayey clinopyroxene conglomerate crystals Deccan Trap deposits dips district drainage erosional exhibit felspar formation fossil fragments Geol geomorphic glass gneisses grained Granite Gneiss Granulite Complex granulites greisens grey groundmass Group Gundul indicated Jhabua Kuhi laterite lava leptynites limestone Madhya Pradesh Maharashtra Maspur metasediments migmatite minerals Narmada Valley NW-SE occur olivine opaque oxides palagonite pebbles phenocrysts phosphatic phosphorite pigeonite plagioclase Plate porphyritic present pyroclastic pyroxene quartz quartzite Quaternary region river rock samples sand sandstone scarp schist seam sedimentary sediments sequence shale silt siltstone slope stream length stromatolites sub-surface surface Surv Survey of India Tapti tectonic terraces thick thin tourmaline trending tuff tungsten mineralisation Unconformity unit upto Vaghur varies vesicles vesicular volcanic wolframite zeolites