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 ...

Glossary of Mining Terms - Coal Education

A. 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 ...

Hydraulic fracturing - Wikipedia

Hydraulic fracturing (also fracking, fraccing, frac'ing, hydrofracturing or hydrofracking) is a well stimulation technique in which rock is fractured by a pressurized liquid.

Mountaintop removal mining - Wikipedia

Mountaintop removal mining (MTR), also known as mountaintop mining (MTM), is a form of surface mining that involves the topographical alteration and/or removal of a summit, hill, or ridge to access buried coal seams.

Fracking | engineering | Britannica.com

Fracking, fracking also spelled fracing or fraccing, also called hydrofracking, in full hydraulic fracturing, in natural gas and petroleum production, the injection of a fluid at high pressure into an underground rock formation in order to open fissures and allow trapped gas or crude oil to flow through a pipe to a wellhead at the surface.

Mining - Atomic Rockets

“Demandite” is the word used by mineral economists to describe the materials that must be provided— usually by mining— to meet the needs of civilization.

Pit Terminology - Glossary

You can also check the Durham Mining Museum and Ian Winstanley's Site. I have also used 'A Pit Terminology - Glossary Used in Coal Mining' a publication compiled by William Stukeley Gresley, dated 1883 and given to me by Philip Wyles.

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Water Management : EOG Resources, Inc.

Energy Source Gallons of Water Used per MMBtu of Energy Produced; Coal (no slurry transport) 2-8: Coal (with slurry transport) 13-32: Nuclear (processed uranium ready to …

Latest News Archive » Residents Action on Fylde Fracking

RESIDENTS ACTION ON. FYLDE FRACKING. We are a group of local residents who are calling for an immediate halt to gas extraction on the Fylde coast pending a thorough evaluation of the risks.

Asbestos acronyms and glossary, asbestos terms of glossary ...

Abandoned Well: A well whose use has been permanently discontinued or which is in a state of such disrepair that it cannot be used for its intended purpose.

EM 1110-2-2901 Tunnels and Shafts in Rock | Rock (Geology ...

EM 1110-2-2901 Tunnels and Shafts in Rock - Ebook download as PDF File (.pdf), Text File (.txt) or read book online.

IGCSE and GCSE Energy, Water and the Environment

Energy Non-renewable energy: Energy that can not be reproduced in the time that it takes to consume it e.g. coal. Renewable energy: Energy that is naturally occurring and potentially infinite.

Environment: News & features - The Telegraph

Latest environmental news, features and updates. Pictures, video and more.

Explosives and Demolitions - FM 5-250.pdf | Explosive ...

FM 5-25015 JUNE 1992 By Order of the Secretary of the Army: GORDON R. SULLIVAN ...

History of Technology - Electropaedia, Energy Sources and ...

Heroes and Villains - A little light reading. Here you will find a brief history of technology. Initially inspired by the development of batteries, it covers technology in general and includes some interesting little known, or long forgotten, facts as well as a few myths about the development of technology, the science behind it, the context in ...

FYFE

In 2017 Sarah Constructions approached Fyfe to accurately survey the existing fence rails for the upgrade of the Adelaide Oval new LED Ribbon strip signage.

The Town and Country Planning (General Permitted ...

This Order consolidates with amendments the permitted development provisions of the Town and Country Planning General Development Order 1988 and …

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The Town and Country Planning (General Permitted ...

This instrument consolidates with amendments, in relation to England, the Town and Country Planning (General Permitted Development) Order 1995 and subsequent amending instruments and revokes in relation to England the instruments listed in Schedule 4.