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Nagaland is rich in gold, says geologist
Nagaland Post | 7 June 2014 1:39 AM IST
The hill ranges of Nagaland and Manipur bordering Myanmar are one such place on earth where an ancient oceanic crust had emerged on the land as a result of collision of the Indian plate with the Eurasian plate. The Naga Hills Ophiolite (NHO), as this region is called, consists of a variety of sedimentary rocks. Though the NHO was discovered in the 1970s its potential as a source of minerals was not realised till the 1980s when Ghose launched the study. The discovery that can potentially put Nagaland on the gold map has been reported by Naresh Ghose, a retired geology professor of Patna University in the journal Current Science. His conclusion has emerged from an intensive study of rocks called “ophiolites” found in that region.
According to the report, gold in pure form and also as gold-silver alloy, is found to occur near Sutsu, a village in Phek district about 60 km from Kohima. Small, detached lenses or larger bodies of “gabbros” (igneous rocks) are encountered between Tizu River gorge and Lacham Lake in the central part of ophiolite belt. The largest body of ophiolite - three km in length, 2.5 km in width and 300 metres thick - is present east of Moki, the report said. "...One point which I always say is that while India adopts the policy of Look East that is closer co-ordination with the countries in the eastern part of the Asian continent, we must not forget Northeast India. India’s Look East policy must be through the Northeastern part", he said. Ghose said that the ophiolitic rocks of mantle and oceanic crust parentage at the continental plate margin in northeast India “have vast potential for intensive research and economic growth”. However, the extent of gold reserves in Nagaland cannot be predicted on the basis of his preliminary study. “It calls for a more detailed geophysical and geochemical study,” Ghosh added.
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* This Post is uploaded on June 07, 2014
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