Glossary of Mining Terms - rocksandminerals.com

Abutment — In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled packs behind the face.

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Kobelco has always been a pioneer. In 1930 they produced the first piece of construction machinery to be manufactured in Japan: the 50K electric mining shovel.

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ReRock Materials Digs into Recycling and Develops an entirely New Profit Center. By Mark S. Kuhar. Concrete products are manufactured to last almost forever.

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Molson

Kobelco has always been a pioneer. In 1930 they produced the first piece of construction machinery to be manufactured in Japan: the 50K electric mining shovel.

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Thomas Glover-Tom is the President of Sequoia Publishing, Inc. and founded the company in March 1989. He has a Masters Degree in Geology from the University of Texas and is a registered AAPG Geologist.

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Change is a necessary component in the aggregate industry. There comes a time when equipment needs adjusted or replaced in order to prevent downtime, and keep a plant running smoothly.

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The RSEP Laboratory Jaw Crusher is designed to speed up the crushing of aggregate, ores, minerals, Coal, Coke, Chemicals and other similar materials. It is compact and of rugged construction for general laboratory or small pilot plant operations.

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