Records of the Geological Survey of India, Volume 109Geological Survey of India, 1974 - 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 40
... base and top are notice- able . The tapering of the column , if present , is generally towards the base , while locally it is towards the top also . The transverse section of the column is roughly circular , measuring 2 to 8 cm in ...
... base and top are notice- able . The tapering of the column , if present , is generally towards the base , while locally it is towards the top also . The transverse section of the column is roughly circular , measuring 2 to 8 cm in ...
Page 41
... base to 1 : 3 at the top . The colonella occurring near Khama is particularly interesting as the columns occur as a bundle of steeply plunging curvilinear rods sandwiched between hori- zontally bedded strata , simulating foreset beds in ...
... base to 1 : 3 at the top . The colonella occurring near Khama is particularly interesting as the columns occur as a bundle of steeply plunging curvilinear rods sandwiched between hori- zontally bedded strata , simulating foreset beds in ...
Page 194
... base metal mineralisation is confined within the calc - magnesian rocks and in the quartz - mica - schist at their proximity . ( ii ) veins , lenses and stringers of chalcopyrite , galena and sphalerite occur parallel to S2 , the most ...
... base metal mineralisation is confined within the calc - magnesian rocks and in the quartz - mica - schist at their proximity . ( ii ) veins , lenses and stringers of chalcopyrite , galena and sphalerite occur parallel to S2 , the most ...
Contents
An approach to Quaternary research with examples from Hungary | 5 |
Outline of methods of detailed exploration of bedded limestone | 14 |
Algal stromatolites in the Bhander Group of Formations | 38 |
Copyright | |
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algal amphibolite Andhra Pradesh assemblage axial plane B₁ bands Baraganda basin beds Bihar bindrabunensis borehole Bose calc-magnesian rocks Callialasporites carbonatite chlorite clays Collenia column contour core Cretaceous deformation deposit depth developed diamonds diopside district dolomite drilling Eocene facies flora folds fossils genus Geol Geological Survey Geologist Gondwana grade grains granite grey Guruvayur horizon indicate interbedded Intertrappean Jurassic Kemari kimberlites known laminae Lattavaram limestone Limestone member lineation lithologic Lower Madhya Pradesh Magardha Mahayuga mapping mesoscopic metamorphism mica mineralisation minerals Nagod observed occur Palaeobotanist pelitic Plate plunge pollen present pyrites quarry quartz quartz-mica-schist quartzite Quaternary Rajmahal hills rajmahalensis river sahnii samples sandstone Sanskrit schist schistosity sediments sequence shale shear Siddhanta siliceous slate species spores stratigraphic stromatolites structures Subarea Survey of India Suryasiddhanta talc Tamil Nadu Tanur thickness tremolite ultramafic Upper Gondwana Varahamihira vertical Wajrakarur water level zones