Mining silver strip tool
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Mining is the extraction of valuable minerals or other geological materials from the earth, These were used to make early tools and weapons; for example, high quality flint Examples include the silver mines of Laurium, which helped support the .. Highwall mining can produce thousands of tons of coal in contour- strip.
Surface Mining Methods
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Therefore, many of the down-hole tools used for drilling in the petroleum and . Strip mining is commonly used for mining coal seams and phosphate beds.
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Description:Introduction Roman Mining The Romans mined for metals in every part of their empire. They sought both utilitarian metals such as iron, copper, tin, and lead, and the precious metals gold and silver. The desire for mineral resources may even have affected foreign policy. Before he invaded, Caesar knew of the rich tin deposits in Britain, a metal used in the production of bronze and in limited supply elsewhere in the empire [Caesar, 5. Our knowledge of Roman mining comes from modern excavation reports of the mines and from literary sources, such as Diodorus of Sicily and Pliny. The written evidence does not discuss all aspects of mining, leaving out information such as how veins were located, what tools were used, or how drainage wheels were used to control water.
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