Records of the Geological Survey of India, Volume 54Includes the "Annual report of the Geological Survey of India," 1867- |
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Alwar appear August bands bauxite beds belong Burma Central clay closely Coal collected conglomerates consists containing continues deposits described direction district east elevation examined exposures fault feet field folds fossil further Geol Geological Geological Survey granite hard hills India intrusive Iron known limestone locality lower March Messrs miles Mineral Mining Nagpur narrow nature north-west northern nummulitic obtained occur outcrops P. L. renewal pass places plain PLATE portion present probably Prospecting Quantity quartz quartzites range recorded ridge river road rocks sandstones schists seems seen shales shell side similar southern species specimens stage stones stream strike structure surface Surv Tertiary thick thin tons trace trap Upper usually valley veins village zone
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Page 213 - of the Keonjhar State it is often found at very low levels, and in some cases actually in the plains themselves. The most important of these ranges of hills is the one that starts near Kompilai in
Page 203 - are remarkable for the enormous quantities of extremely rich ore they contain, and will undoubtedly prove to be amongst the largest and richest in the world.
Page 234 - along the whole length of the mountain, which rock presumably, by its superior hardness, gives rise to the prominent shoulder of the mountain north-east of the main peak (shown as 27,390 on Major Wheeler's photographic survey map). Above this again are black schists.
Page 217 - resulting from the underlying geological structure, for to the north, we have the somewhat tame, rounded and lumpy mountain ranges of Tibet, with their broad and flat-bottomed valleys, contrasting with the higher, steeper and more rugged Himalayas on the south.
Page 215 - square miles, included within a rectangle some 120 miles from east to west and 70 miles from north to south. This corresponds with the Tibetan portion of the drainage area of the Arun river, a complicated system of valleys
Page 234 - specimens from 23,000 and 25,000 feet show in microscope sections a very fine-grained aggregate of quartz and a greenish mica, with irregular lenticles and veins of chlorite and epidote and in addition sometimes calcite
Page 224 - Along the southern border of the Tibetan Zone, below the base of the Jurassic shales, is a great thickness of flaggy limestones, in which the fossils have been destroyed and the rocks themselves converted in part into crystalline limestones and calc-schists. The age of these cannot be determined with certainty, but their character and position in the sequence indicate that they are possibly Trias or Permian.
Page 203 - the Tata Iron and Steel Co., Ltd., the Indian Iron and Steel Co., Ltd.,
Page 59 - These Jurassic shales are by far the most conspicuous formation in this part of Tibet, being repeated many times in complicated folds. The Cretaceous-Eocene limestones form comparatively narrow bands occurring as compressed synclines caught up in the
Bibliographic information
| Title | Records of the Geological Survey of India, Volume 54 Memoirs of the Geological Survey of India |
| Author | Geological Survey of India |
| Publisher | The Survey, 1923 |
| Export Citation | BiBTeX EndNote RefMan |