Records of the Geological Survey of India, Volume 113, Parts 5-6Government of India, 1980 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
From inside the book
Results 1-3 of 36
Page 39
... exhibit 2 to 5 cm thick seggregation veins , which are comparatively coarser and vesicular with higher proportion of opaque oxides than the surrounding matrix . The common secondary minerals filling the vesicles are zeolites , quartz ...
... exhibit 2 to 5 cm thick seggregation veins , which are comparatively coarser and vesicular with higher proportion of opaque oxides than the surrounding matrix . The common secondary minerals filling the vesicles are zeolites , quartz ...
Page 42
... exhibit normal zoning with calcic core enveloped by successive sodic rims . Common inclusions are of opaque ore , clinopyroxene grains and transparent bubbles of gas or liquid . Plagioclase phenocrysts are generally fresh in the central ...
... exhibit normal zoning with calcic core enveloped by successive sodic rims . Common inclusions are of opaque ore , clinopyroxene grains and transparent bubbles of gas or liquid . Plagioclase phenocrysts are generally fresh in the central ...
Page 55
... exhibit typical aa characters , while Bu - 2 is a compound pahoehoe flow comprising several flow units with an aggregate thickness of 73 m . Two flows ( Bu - 5 & 7 ) do not exhibit typical characters of either pahoehoe or aa type and as ...
... exhibit typical aa characters , while Bu - 2 is a compound pahoehoe flow comprising several flow units with an aggregate thickness of 73 m . Two flows ( Bu - 5 & 7 ) do not exhibit typical characters of either pahoehoe or aa type and as ...
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 |
Copyright | |
3 other sections not shown
Other editions - View all
Common terms and phrases
Abujhmar alluvium Ambadongar anorthosite associated augite basalt flows basin beds biotite block bore holes borehole breccia Buldana calcite Charnockite chert chlorite clay clinopyroxene Deccan Trap deposits depth district drainage drilled dykes erosional exhibit exposed fault felspar fluorite folds formation fossil fragments gabbro geochemical Geol Geological Survey geomorphic glass gm/tonne gneisses grade grained granite granulites greisens grey groundmass Group Gundul hill indicated laterite lava layers limestone magnetite Maharashtra metasediments metres migmatite mineralisation minerals Narmada Valley NW-SE occurs olivine opaque phenocrysts phosphorite phyllite plagioclase Plate porphyritic present pyrite pyroclastic pyroxene quartz quartz veins quartzite Quaternary region Rhyolite river rocks samples sandstone schist seam sediments sequence shale slope spores stream stromatolites structure sub-surface sulphide surface Surv Survey of India Tapti thick thin trending tuff Unpublished GSI Report upto Vaghur varies volcanic width zone