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The deep‐seated spontaneous coal‐seam fire occurred in the southwestern part of the Upper Silesian Coal Basin (S Poland), confirmed by oxygenated compounds emission to over‐ and underlying rocks. The fire was dated at 19.2–19.8 Ma using the 39Ar‐40Ar method and palaeomagnetism. It was initiated in the Carpathian foreland thanks to a normal faulting in response to thrust‐loaded deflections of the Carpathian...
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