Records of the Geological Survey of IndiaThe Survey, 1891 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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Página 110
... rubies and tourmaline , the conglo- merates in the Namma valley quartzite porphyry . The pebbles are cemented by a clay cement containing numerous angular grains of quartzite ; they thus form a compact mass which is difficult to attack ...
... rubies and tourmaline , the conglo- merates in the Namma valley quartzite porphyry . The pebbles are cemented by a clay cement containing numerous angular grains of quartzite ; they thus form a compact mass which is difficult to attack ...
Página 119
... rubies within a considerable distance around Mainglôn . The mine is situated about 15 miles to the south - west of Mainglôn in the narrow valley of the Nampai , also known in its lower course as the Maddaya river . The exact locality ...
... rubies within a considerable distance around Mainglôn . The mine is situated about 15 miles to the south - west of Mainglôn in the narrow valley of the Nampai , also known in its lower course as the Maddaya river . The exact locality ...
Página 120
... rubies . These alluvial deposits are the ruby - bearing strata , but it is only in the sand or gravel that rubies are found , not in the clay . This proves clearly enough that the Namsèka rubies are not found in the original matrix ...
... rubies . These alluvial deposits are the ruby - bearing strata , but it is only in the sand or gravel that rubies are found , not in the clay . This proves clearly enough that the Namsèka rubies are not found in the original matrix ...
Página 121
... rubies . - To facilitate the digging , the former work- men had constructed a small channel bringing the water to the top end of the pit where it was made to run down the walls , thus softening the hard clay . The work- men then put the ...
... rubies . - To facilitate the digging , the former work- men had constructed a small channel bringing the water to the top end of the pit where it was made to run down the walls , thus softening the hard clay . The work- men then put the ...
Página 122
... rubies or not ? -The first samples of rubies which were sent by Lieutenant Daly , Superintendent , Northern Shan States , to the Government of Burma , and which were said to have come from the Mainglôn ruby - mines , were exceedingly ...
... rubies or not ? -The first samples of rubies which were sent by Lieutenant Daly , Superintendent , Northern Shan States , to the Government of Burma , and which were said to have come from the Mainglôn ruby - mines , were exceedingly ...
Outras edições - Ver tudo
Records of the Geological Survey of India, Volume 56 Geological Survey of India Visualização integral - 1926 |
Records of the Geological Survey of India, Volume 120,Partes 2-8 Geological Survey of India Visualização de excertos - 1985 |
Palavras e frases frequentes
ACADEMY acid anhydrite anorthite assay Band beds borings Boulder-bed Burma calcite Calcutta carbonaceous carbonaceous shales cent Ceylon clay cleavage coal coal-fields colour containing copper crystals deposits distillation district Ditto dolomite east examination feet felspar Fixed carbon Flsc fossils fragments garnet Geol Geological Survey glaciers gneiss GOVERNMENT OF INDIA graphite gypsum heft hills hornblende lake Lashio lime limestone London Mainglôn Marl memoir mica microscopic miles millimetre mineral mines moraine Museum Namma Nampai Namsèka Nummulitic occurs Oldham oligoclase outcrops parallel pebbles petroleum plates pleochroic Punjab Purple Sandstone pyrites pyroxene quantity quartz quartzite Red Marl river rocks Royal 8vo rubies Salem Salt Range samples sand Sandstone scapolite schists seam sections Série Shale shaly Shan side Sikkim sillimanite Siwalik SOCIETY specific gravity specimens strata sulphate surface Survey of India tertiary thickness Titles of Books valley Warth Wynne yellow
Passagens conhecidas
Página 263 - Descriptive Catalogue of the Nests and Eggs of Birds found Breeding in Australia and Tasmania
Página 97 - Geological notes made on a visit to the Coal recently discovered in the country of the Suni Pathans, southeast corner of Afghanistan, 145.
Página 263 - Kentucky fossil corals. A monograph of the fossil corals of the Silurian and Devonian rocks of Kentucky.
Página 1 - Annual Report of the Geological Survey of India, and of the Geological Museum, Calcutta, for the year 1887.
Página 154 - Tiri-Garhwal. On the geology of the Garo Hills. On some Indian image-stones. On soundings recently taken off Barren Island and Narcondam. On a character of the Talchir boulder-beds. Analysis of Phosphatic Nodules from the Saltrange, Punjab. Part a.— The fossil vertebrata of India. On the Echinoidea of the cretaceous series of the Lower Narbada Valley, with remarks upon their geological age.
Página 101 - Gokteik.Kunl6n valley marks a line of great disturbance of the strata ; two large faults, or probably two systems of compound faults, running from the south-west to the north-east, are distinctly discernible.