| Do you know El Tio, the ruler of the underworld? In January 2012 Stefan Schorn, administrator of mineralienatlas.de, had the chance to visit the Bolivian San José Mine. In his article he tells us about the history of the mine and shows us with over 60 pictures this adventuresome trip inside the mine ... moreDo you know El Tio, the ruler of the underworld? In January 2012 Stefan Schorn, administrator of mineralienatlas.de, had the chance to visit the Bolivian San José Mine. In his article he tells us about the history of the mine and shows us with over 60 pictures this adventuresome trip inside the mine. (Article in German) |
| Im Bereich des gesamten Grubengeländes hat sich, wie in anderen Grubenbezirken auch, eine eigene Flora gebildet. Nach Überlieferungen haben die "Alten" bei der Suche nach Erzen auf diese Zeichen der Natur geachtet. Gerade bei Antimonerzen ist diese eigene Flora sehr ausgebildet. Antimon weist unter ... moreIm Bereich des gesamten Grubengeländes hat sich, wie in anderen Grubenbezirken auch, eine eigene Flora gebildet. Nach Überlieferungen haben die "Alten" bei der Suche nach Erzen auf diese Zeichen der Natur geachtet. Gerade bei Antimonerzen ist diese eigene Flora sehr ausgebildet. Antimon weist unter den Elementen eine hohe Mobilität auf und wird, wenn es in löslicher Form vorliegt, von Pflanzen leicht aufgenommen. Die Konzentrationen in Pflanzen können 7-50 mg/kg TS betragen. |
| Iin 1546 Georgius Agricola reported about a white metal which is fused to the Rammelsberg lead and silver melter and that you could scrape off. He called this metal "contrefey", because it could imitate gold. Agricola did not recognize that this metal was zinc. He further observed that a similar met ... moreIin 1546 Georgius Agricola reported about a white metal which is fused to the Rammelsberg lead and silver melter and that you could scrape off. He called this metal "contrefey", because it could imitate gold. Agricola did not recognize that this metal was zinc. He further observed that a similar metal, which he named from some unknown reasons "ZINCUM" arose under similar circumstances in Silesia during smelting. |
| Report about a geologic - and geology of deposits excursion through central and southern Namibia as well as the Namaqualand bordering to the South and parts of the Northern cape in autumn, 2009., Amongst other localities in Namibia the author visited the tin deposit Uis, the explorations project Na ... moreReport about a geologic - and geology of deposits excursion through central and southern Namibia as well as the Namaqualand bordering to the South and parts of the Northern cape in autumn, 2009., Amongst other localities in Namibia the author visited the tin deposit Uis, the explorations project Namib Lead near Swakopmund, as well as the important mines Rosh Pinah and Scorpion Zinc in the south of Namibia. In the Republic South Africa the trip led to the copper mining region of Okiep as well as the lead zinc mines of Aggeneys and, finally, to the Kalahari manganese ore districts of Postmasburg and Kuruman. (Full text in german) |