mineral coal
71Coal measure — The Coal Measures is a lithostratigraphical term used mainly in the British Isles for the coal bearing part of the Upper Carboniferous System. It represents the remains of fluvio deltaic sediment, and consists mainly of clastic rocks (claystones …
72mineral — /min euhr euhl, min reuhl/, n. 1. any of a class of substances occurring in nature, usually comprising inorganic substances, as quartz or feldspar, of definite chemical composition and usually of definite crystal structure, but sometimes also… …
73coal — noun 1 black mineral ADJECTIVE ▪ clean, smokeless ▪ hard ▪ soft ▪ brown ▪ bituminous …
74Mineral fields of Western Australia — Western Australian Mining is administered in terms of the administrative divisions of the: Gold or Mineral Field Goldfield District There have also been various hierarchies of State Mining Engineer Inspectorate areas, as well as Mining Registrars …
75Mineral industry of Cambodia — In 2006, Cambodia s mineral resources remained, to a large extent, unexplored. Between 2003 and 2006, however, foreign investors from Australia, China, South Korea, Thailand, and the United States began to express their interest in Cambodia s… …
76mineral royalty — A royalty under a kind of lease recognized by the coal industry paid on the quantity of mineral mined, with the requirement that a stipulated amount be mined within a stated period of time, or, upon a failure to do so, to pay a certain amount of… …
77mineral matter — n in coal, historically considered to be the non organic fraction composed of physically discrete particles of minerals, such as clays, quartz, pyrite, etc., and all elements other than carbon, hydrogen, oxygen, nitrogen and sulfur in the organic …
78Mineral redox buffer — In geology, a redox buffer is an assemblage of minerals or compounds that constrains oxygen fugacity as a function of temperature. Knowledge of the redox conditions (or equivalently, oxygen fugacities) at which a rock forms and evolves can be… …
79Coal-Producing States — The States where mined and/or purchased coal originates are defined as follows: Alabama, Alaska, Arizona, Arkansas, Colorado, Illinois, Indiana, Kansas, Kentucky Eastern, Kentucky Western, Louisiana, Maryland, Mississippi, Missouri, Montana,… …
80mineral — min•er•al [[t]ˈmɪn ər əl, ˈmɪn rəl[/t]] n. 1) mir any of a class of substances occurring in nature, usu. comprising inorganic substances, as quartz or feldspar, of definite chemical composition and usu. of definite crystal structure, but… …
