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What do you mean by opencast mining?
open cast mining is...
What is opencast mining?
open cast minng involves the digging out of minerals that occur on the surface of the earth
What are two ways to mine coal?
Coal is mined by two methods: surface or 'opencast' mining or underground or 'deep' mining.The choice of mining method largely depends on the geology of the coal deposit. Underground mining currently accounts for a bigger share of world coal production than opencast; although in several important coal producing countries surface mining is more common.
What is the difference between opencast mining and shaft mining?
in open cast miniing the earth surface is simly dug out to take minerals which are shallow.in shaft mining we should put bores to take minerals which are deep under the earth
Where is the largest open cast mine in the world?
One of the largest excavations in the world has been made by opencast mining at the Bingham Canyon copper mine in Utah, USA, measuring 790 m/2,590 ft deep and 3.7 km/2.3 mi across.
What do you mean by opencast mining?
open cast mining is...
What is a method of mining that involves excavating from the surface?
OPENCAST
Why opencast mining is cheaper for companies?
because opencast mining doesnt require shafts and tunnels to be built unlike other approaches such as deep mining. it is on the surface so transportation costs from underground to ground level do not exist. insurance costs for miners may be lower as there is no risk of the mine 'caving in'.
What is opencast mining?
open cast minng involves the digging out of minerals that occur on the surface of the earth
How do you mine coal?
Coal is mined by two methods: surface or 'opencast' mining or underground or 'deep' mining.The choice of mining method largely depends on the geology of the coal deposit. Underground mining currently accounts for a bigger share of world coal production than opencast; although in several important coal producing countries surface mining is more common.
What are two ways to mine coal?
Coal is mined by two methods: surface or 'opencast' mining or underground or 'deep' mining.The choice of mining method largely depends on the geology of the coal deposit. Underground mining currently accounts for a bigger share of world coal production than opencast; although in several important coal producing countries surface mining is more common.
What has the author WDavid Evans written?
W.David Evans has written: 'The Geology and Opencast Mining of the Jurassic Ironstones of Great Britain'
What is the difference between opencast mining and shaft mining?
in open cast miniing the earth surface is simly dug out to take minerals which are shallow.in shaft mining we should put bores to take minerals which are deep under the earth
Is pollution an example of chemical weathering?
Pollution is usually caused by human activities - industrial waste, mining and opencast, household waste, and so on.
What is the main land usage at Moe Victoria?
The main use of land at Moe, Victoria, is coal mining. Much of the land surrounding the town is utilised as opencast mines of brown coal in the area.
Where is the largest open cast mine in the world?
One of the largest excavations in the world has been made by opencast mining at the Bingham Canyon copper mine in Utah, USA, measuring 790 m/2,590 ft deep and 3.7 km/2.3 mi across.
What has the author E C F Bird written?
E. C. F. Bird has written: 'The geomorphology of the Gippsland lakes region' -- subject(s): Geomorphology 'Encyclopedia of the world's coastal landforms' -- subject(s): Geomorphology, Coasts, Seashore, Encyclopedias 'Coastal geomorphology' -- subject(s): Coasts 'The impacts of opencast mining on the rivers and coasts of New Caledonia' -- subject(s): Environmental aspects, Environmental aspects of Strip mining, Strip mining
