D-E. Deep Mine An underground coal mine.. Demonstrated Reserve Base A collective term for the sum of coal in both measured and indicated resource categories of reliability that represents 100 percent of coal in place as of a certain date. Includes beds of bituminous coal and anthracite 28 inches or more thick and beds of sub-bituminous coal 60 inches or more thick that occur at …
Coal Mining Terminology. 7th November 2016 Coal Mining Terminology . Coal is mined from the earth as a fossil fuel and requires an extensive knowledge on the terminology surrounding the job. In fact, did you know that coal mining is a practice which goes back thousands of years? This means that the terminology which is used will have adapted ...
Glossary: Mining Terms. 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 …
Coal mining - Underground mining: In underground coal mining, the working environment is completely enclosed by the geologic medium, which consists of the coal seam and the overlying and underlying strata. ... Overall ground control—i.e., long-term stability of mine accesses and entries and subsidence control—can be regarded as an auxiliary ...
Coal Mining and the Victorians. Download Document View story. Add to board. This resource is licensed under Creative Commons BY-NC-SA. Mining Vocabulary (PDF) A glossary of mining words and terms used in Victorian and modern mines. Share Twitter Facebook Email Close Discover a world of learning resources Explore. Follow @mylearning_org ...
Some mining terms and their meanings, please note that some terms varied from colliery to colliery even within the same area. Headings ... Where the coal seam and rock strata is displaced either upwards or downwards. Knocking wire. A length of thin wire rope, hung along a roadway, connected at regular intervals to a signal device. ...
Drift mining can refer to one of two things: mining an ore deposit by underground mining or working coal seams through adits. A mining drift is an underground mine where the entry is above water level and typically on the slope of a hill. It's driven horizontally into the ore seam. Through drift mining, companies can extract precious geological ...
A Glossary of Scotch Mining Terms. Compiled by James Barrowman, Mining Engineer, Secretary to the Mining Institute of Scotland, 1886 ... Where the latter meaning is given to the word, coal as it comes from the miner is distinguished by the term cleek coal. TROUBLE, A general name given to faults or hitches ; a roll in roof or pavement, or both ...
In coal mining terms, a highwall is the excavated face/slope which advances down-dip with each successive strip that is mined in an open cut strip mine. In this article, we introduce some of the key concepts surrounding highwall excavation sequence, geotechnical and mine design, and alternative mining methods to recover additional coal reserves ...
Coal mining productivity: Coal mining productivity is calculated by dividing total coal production by the total direct labor hours worked by all mine employees. Coal preparation: The process of sizing and cleaning coal to meet market specifications by removing impurities such as rock, sulfur, etc. It may include crushing, screening, or ...
Coal mining - Extraction, Processing, Pollution: In geologic terms, coal is a sedimentary rock containing a mixture of constituents, mostly of vegetal origin. Vegetal matter is composed mainly of carbon, hydrogen, oxygen, nitrogen, sulfur, and some inorganic mineral elements. When this material decays under water, in the absence of oxygen, the carbon …
This method is used for various resources, including metals, coal, and gemstones. Underground mines are complex networks of tunnels, shafts, and chambers. Miners use specialised equipment to dig, support the excavated areas, and transport materials. ... Now, let's explore 50 key terms used in underground mining, with brief explanations: Adit ...
MINING GLOSSARY 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 ...
This glossary is published by the Bureau of Mines as a contribution to the mining literature in the belief that it will fill a long-felt need. It contains about 20,000 terms; these include both technical and purely local terms related to metal mining, coal mining., quarrying, petroleum, and natural gas, and metallurgical works; names of useful, important, and common minerals and rocks; …
Glossary of terms used in the American Mining Industry. Dry Diggings – Earth excavated in the summer and held to be washed in winter when water was more plentiful.. Dry Washing – Fine soil blown away, leaving the gold.. Drywasher – A common desert mining tool similar to a highbanker but doesn't need water. It operates by the use of wind. The light junk material is blown off the …
A. Abandoned Mine - The term abandoned mine means a mine where mining operations have occurred in the past and (1) The applicable reclamation bond or financial assurance has been released or forfeited or (2) If no reclamation bond or other financial assurance has been posted, no mining operations have occurred for five years or more. Abandoned Mine Land Inventory - …
Mining Terms Barrowman's Glossary of Scotch Mining Terms. Please click here to view a complete transcription of "Glossary of Scotch Mining Terms" by James Barrowman, 1886. This work contains definitions of occupations, words commonly used by miners and technical terms. ... Parrot Coal - a term for gas coal, often but not always restricted to ...
Coal Mining Terminology. Coal mining played a pivotal role in the Industrial Revolution and shaped many aspects of British society. As such, it introduced a plethora of new terms into the English lexicon. Understanding these terms can provide a window into the lives of miners and the conditions in which they worked. One important term is ...