| 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) |
| Die Münchberger Gneismasse ist ein isoliertes Vorkommen von z.T. hochmetamorphen kristallinen Gesteinen inmitten des "Alten Gebirges" Nordostbayerns. Sie liegt mit einer Südwest-Nordost-Ausdehnung von etwa 35km und eine Breite von ca. 15km in einem Synklinorium des Autochthons, der Vogtländisch-Erzg ... moreDie Münchberger Gneismasse ist ein isoliertes Vorkommen von z.T. hochmetamorphen kristallinen Gesteinen inmitten des "Alten Gebirges" Nordostbayerns. Sie liegt mit einer Südwest-Nordost-Ausdehnung von etwa 35km und eine Breite von ca. 15km in einem Synklinorium des Autochthons, der Vogtländisch-Erzgebirgischen Mulde. |
| In 1978 the US - American geologist Walter Alvarez gained a narrow pattern red clay in the Italian Apennines and certain age these samples to approximately 65 million years , ie at the end of the Cretaceous period and the beginning of the Tertiary period. This very thin lime- clay layer lies between ... moreIn 1978 the US - American geologist Walter Alvarez gained a narrow pattern red clay in the Italian Apennines and certain age these samples to approximately 65 million years , ie at the end of the Cretaceous period and the beginning of the Tertiary period. This very thin lime- clay layer lies between two calcareous sediments and showed a different fossil record , which to a mass extinction ( faunal ) hinted . While further analysis Alvarez noted a high iridium concentrations; a typical ... An article by Peter Seroka (written in german) |