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Age constraints for the late-Variscan magmatism in the Altenberg-Teplice Caldera (Eastern Erzgebirge/Krusne hory)
- R. Romer, H. Förster, M. Štemprok
- Geology
- 1 September 2010
Ongonite from Ongon Khairkhan, Mongolia
- M. Štemprok
- Geology
- 1 May 1991
SummaryAlbite-topaz kerotophyres, termed ongonites, were discovered byV. I. Kovalenko and coworkers at Ongon Khairkhan in Mongolia in 1970. The type area was revisited, described, resampled, the new…
Greisenization (a review)
- M. Štemprok
- Geology
- 1 February 1987
ZusammenfassungVergreisung ist ein postmagmatischer Vorgang, der mit der Entstehung leukokrater SiO2-reicher Granite verbunden ist. In seinem Verlauf sind Feldspäte und Fe-Glimmer zersetzt. Die…
Geochemical profile through an ore-bearing lithium granite
- M. Štemprok, Z. S̆ulcek
- Geology
- 1 June 1969
The petrogenesis of a wolframite-bearing greisen in the Vykmanov granite stock, Western Krušné hory pluton (Czech Republic)
- M. Štemprok, E. Pivec, A. Langrová
- Geology
- 2005
A wolframite-bearing greisen at Vykmanov, near Ostrov (Czech Republic) occurs at the contact of a small granite stock belonging to the Late Variscan Younger Intrusive Complex (YIC) of the Western…
Geological interpretation of gravity profiles through the Karlovy Vary granite massif (Czech Republic)
- V. Blecha, M. Štemprok, T. Fischer
- Geology
- 1 August 2009
We examined the shape of the Late Variscan Karlovy Vary granite massif located south of the Ohre/Eger graben in Northern Bohemia by reinterpretation of existing gravity data on two perpendicular…
Drill hole CS-1 penetrating the Cinovec/Zinnwald granite cupola (Czech Republic): an A-type granite with important hydrothermal mineralization
- M. Štemprok
- Geology
- 30 January 2016
The Sn–W deposit at Cínovec and Zinnwald (Eastern Krušné hory/Erzgebirge) is associated with a granite cupola of Late Variscan age intruded into the Teplice rhyolite. The 1596 m deep CS-1 drilling…
Petrology and geochemistry of Variscan dykes from the Jachymov (Joachimsthal) ore district, Czech Republic
- M. Štemprok, T. Seifert, M. Lang
- Computer Science
- 15 July 2012
TLDR
Late Variscan calc-alkaline lamprophyres in the Krupka ore district, Eastern Krusne hory/Erzgebirge: their relationship to Sn-W mineralization
- M. Štemprok, D. Dolejš, F. V. Holub
- Geology
- 2 June 2014
*Corr esponding author Variscan lamprophyres occur in the greisen tin-, tungsten- and molybdenum-ore district of Krupka in the Eastern Krusne hory/Erzgebirge (KHE). They belong to a bimodal dyke…
Tantalum mineralization in the apical part of the Cínovec (Zinnwald) granite stock
- A. Rub, M. Štemprok, M. Rub
- Geology
- 1 September 1998
SummaryGranite-hosted tantalum mineralization was studied in the apical part of the Cínovec (Zinnwald) granite stock (eastern Krušné hory, Czech Republic). Samples of granite and greisen from drill…
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