Records of the Geological Survey of India, Volume 114, Part 21867- includes the "Annual report of the Geological survey of India". |
From inside the book
Results 1-3 of 15
Page 8
However , some amount of gold may be present here in asso1000 ppm ( with three 1000 ppm values ) and 20 to ciation with the vein - quartz at depth . 500 ppm , respectively . Rest of the elements are below their respective detection ...
However , some amount of gold may be present here in asso1000 ppm ( with three 1000 ppm values ) and 20 to ciation with the vein - quartz at depth . 500 ppm , respectively . Rest of the elements are below their respective detection ...
Page 28
The amount of hornblende always dominates over the actinolite . Replacement of actinolite by hornblende Among the major components , the amphiboles show is common . The hornblendes are deep green in colour , wide range of variation in ...
The amount of hornblende always dominates over the actinolite . Replacement of actinolite by hornblende Among the major components , the amphiboles show is common . The hornblendes are deep green in colour , wide range of variation in ...
Page 59
The syenites are essentially composed of sodic plagioclase , microcline and biotite with minor amounts of apatite and opaque minerals . Calcite always occurs as an accessory mineral in the nepheline - bearing syenites .
The syenites are essentially composed of sodic plagioclase , microcline and biotite with minor amounts of apatite and opaque minerals . Calcite always occurs as an accessory mineral in the nepheline - bearing syenites .
What people are saying - Write a review
We haven't found any reviews in the usual places.
Contents
Integrated Geochemical Approach for Tracing Gold Mineralisation in Parts | 1 |
On Jacobsites from Vizianagaram Manganese Belt of Eastern Ghats Andhra | 15 |
Fossil Hippopotamus from Quaternary Alluvial Deposits of Narmada Valley | 19 |
Copyright | |
3 other sections not shown
Other editions - View all
Common terms and phrases
amount amphiboles analysis assemblage associated average Bankura basement basic bedrock Bihar Biotite chemical collected colour composition contain crystals deposit depth detailed distribution district east Eastern Electron elements field Formation geochemical Geol Geological Survey gneiss gold grains granite green higher hill hornblende schist increase indicated jacobsite Kharswan lower manganese massive amphibolites McCluskieganj meta-basic rocks metamorphic metres minerals namadicus Narmada nepheline observed occur plagioclase Pleistocene present present area quartz Quartzite range ratios recorded Region representative respectively river rocks samples schistose amphibolite sediments sericite shales shear zone similar Singhbhum Singhbhum Shear specimens stratigraphic stream strip structural surface Survey of India syenites temperature texture tion trend types unit Upper valley values variation varies various vein-quartz veins West West Bengal X-Ray
Bibliographic information
| Title | Records of the Geological Survey of India, Volume 114, Part 2 Memoirs of the Geological Survey of India |
| Author | Geological Survey of India |
| Publisher | The Survey, 1984 |
| Original from | the University of California |
| Digitized | 27 Sep 2016 |
| Export Citation | BiBTeX EndNote RefMan |