Records of the Geological Survey of India, Volume 74, Part 1Geological Survey of India, 1939 - Earthquakes |
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Page 49
... veins which are genetically connected with the granitic intrusives . Crushing tests made at Bangaon yielded 1-3 grains of gold per ton of quartz . The assay made on eight specimens of quartz collected at random from the outcrops of veins ...
... veins which are genetically connected with the granitic intrusives . Crushing tests made at Bangaon yielded 1-3 grains of gold per ton of quartz . The assay made on eight specimens of quartz collected at random from the outcrops of veins ...
Page 147
... veins generally only one inch or less wide and a few inches or more long , but sometimes up to a foot wide and several feet long . In some cases the phyllites are so intimately penetrated by vein quartz , that the latter must make up ...
... veins generally only one inch or less wide and a few inches or more long , but sometimes up to a foot wide and several feet long . In some cases the phyllites are so intimately penetrated by vein quartz , that the latter must make up ...
Page 148
... vein quartz when passing from one to the other . Even Medlicott in his rapid survey of the country remarked on this fact in his description of the section from Belu to Dhamun Nag on page 50 of his Memoir . As regards the origin of the vein ...
... vein quartz when passing from one to the other . Even Medlicott in his rapid survey of the country remarked on this fact in his description of the section from Belu to Dhamun Nag on page 50 of his Memoir . As regards the origin of the vein ...
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Common terms and phrases
A. L. Coulson Abstract anticline Assam Balheot Bamra Bangalore Bastar Bengal Bombay boundary Burma Calcutta Chail series Cherra sandstones conglomerate Congr Cretaceous Current Science Dagshai Deccan trap Delhi deposits east Eastern States Agency fault feet fossils Geol Geological Survey Geologist Ghosh gneisses gold granite Hazra Inst Iron-ore Series Jammu Kandi Kashmir Kathnol khad Khasi and Jaintia Khasi Hills Kulang Langrin laterite limestone London Lower Madhan slates mapped metamorphism miles minerals Mining Journ Museum Mysore Nauti khad Nongstoin north-east north-west occur outcrops overlying Panjal phyllites Proc Punjab quartz quartzite Ratnagiri district Report Riasi ridge river rocks sandstones Science and Culture seam seen shales Shali Shali quartzite Shali series Shali thrust sheet sillimanite Simla Siwalik south-east south-west specimens spur strata Subathu Surv Survey of India Sutlej Sylhet syncline Tertiary tons Twenty-fifth Ind Upper Shali limestone Wadia Yamethin