Mayenite-supergroup minerals from burned dump of the Chelyabinsk Coal Basin V.V. Sharygin a,b,* a V.S. Sobolev Institute... 630090, Russia b Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090, Russia Received...burned spoil heaps; Chelyabinsk coal basin Introduction The combustion of coal mine spoil heaps leads...in spoil heaps at coal-mining sites and may be rarely associated with natural coal fires (Chesnokov and...spontaneous combustion and self-sustained burning of coal spoil heaps, the carbonate rocks have been baked |