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Showing posts with the label Kanchi river

Sand mining is going to be new battleground.

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Illegal and indiscriminate river sand mining is going to cause a large number of environmental and social problems in World. By Dr. Nitish Priyadarshi Geologist.  This is Kanchi river which provides sands to Ranchi district.   This is Jumar River near Ranchi which now contains less sand deposit due to over exploitation. Illegal sand mining is a scourge in states across India. The latest battle in Gautum Buddh Nagar, Uttar Pradesh, where sub divisional magistrate (SDM) was suspended from service, has served to highlight the plight of rivers ravaged. Construction work on projects worth thousands of crores of rupees in Jharkhand has been affected by a sand crisis caused by the on-again, off-again auction policy. River sand is a product of natural weathering of rocks over a period of millions of years. It is mined from the river beds. River sand is becoming a scarce commodity now. River (Fresh water) sand is far superior for construction purposes than any other sand used in ...

Significance of rock fragments and mineral grains in river sands.

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River sands of Ranchi plateau consists quartz, quartzite, feldspar, mica, coals, etc. by Dr. Nitish Priyadarshi Sand grains of Ranchi river showing rock particles and other minerals. Sand has become a very important mineral for the expansion of society. Sand is a naturally occurring granular material composed of finely divided rock and mineral particles. River sand is one of the world’s most plentiful resources (perhaps as much as 20% of the Earth’s crust is sand) and has the ability to replenish itself. River sand is vital for human well being & for sustenance of rivers. Rivers are hydraulically complicated and can vary greatly in source materials. Therefore, nearly all river sands show a broad spectrum of textures within the same deposit. Sand deposits of the rivers are accumulations of rock fragments and mineral grains, which have been derived from the weathering and erosion of hard rocks by glacial and river action. Water action is an effective mechanism for wearing away weak...