(KWK Szczygłowice, Czerwionka-Leszczyny, Górnośląskie Zagłębie Węglowe, Śląskie, Polska)
Dump of Szczygłowice Mine. Mineralization within sphaerosiderites (ankerite-dolomite series, barite, calcite-siderite series, marcasite, millerite, pyrite, quartz, sphalerite)