Filtry
Detailed gamma-ray spectrometric analysis of natural radionuclides of K, U, and Th on the Sudetic Marginal Fault
Concentrations of natural radionuclides of K, U and Th along vertical profile of a research trench studying the Sudetic Marginal Fault were established by detailed focused gamma-ray spectrometric measurements. Analyses of <...
DB - Geologie a mineralogie
- 2015 •
- Jx •
- Odkaz
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Gammaspectrometry of coal-bearing sediments from the Boskovice furrow and products of its burning
The concentration of K, U, Th was measured by a portable gamma spectrometer spectrometer and analyzed on an electron microprobe. The comparison of U and Th of coal burning) reveal that the coal-bearing sam...
DB - Geologie a mineralogie
- 2011 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Natural radioactivity of fresh and hydrothermally altered rocks at the locality Pohled (Moldanubicum)
quarry. Altered granite showed higher K (3.5 %) and lower Th (11.9 ppm) than unaltered granite (K 3.0 %, Th 13.3 ppm), whereas content of U is the same, 6.0 ppm. Gneisses contained 1.3 % K, 2.8 p...
DD - Geochemie
- 2011 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Radioactivity of sedimentary rocks over the Ždánice hydrocarbon field
Radioactivity of rocks above hydrocarbon field Ždánice (Czech Republic) was studied by surface geophysical measurements. Natural radioelements K, U and Th in rocks decrease above oil field....
DD - Geochemie
- 2006 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Field gamma-ray spectrometric characteristics of arenites of the Godula Formation and its genetic interpretation
that concentrations of radioactive elements (K, U and Th) in siliciclastic sediments are primary). Main sources of U and Th were identified in heavy minerals, such as monazite and zircon. Variations of
DB - Geologie a mineralogie
- 2013 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
The distribution of REE-U-Th in hydrothermally altered rocks at the Rožná uranium deposit, Czech Republic.
Distribution of REE, U, Th in hydrothermally altered metamoephic rocks at the Rožná uranium deposit is controlled by various alterations. Compared to unaltered rocks, the most important changes in U, Th an...
DB - Geologie a mineralogie
- 2002 •
- D
Rok uplatnění
D - Stať ve sborníku
Radioactivity of uranium production cycle facilities in the Czech Republic compared to the natural environment
Radioactivity of uranium mining wastes, determined by field gamma-ray spectrometry, and expressed in gamma dose rate and concentration of K, U and Th, was compared to the radioactivity of the natural environment in the Czec...
DL - Jaderné odpady, radioaktivní znečištění a kontrola
- 2002 •
- D
Rok uplatnění
D - Stať ve sborníku
Variscan thermal overprints exemplified by U?Th?Pb monazite and K?Ar muscovite and biotite dating at the eastern margin of the Bohemian Massif (East Sudetes, Czech Republic)
K?Ar muscovite and biotite and U?Th?Pb matrix monazite ages (~280?2Potassium?argon method on muscovite and biotite and chemical U?Th?Pb method)Mississippian (340?320 Ma) K?Ar muscovite ages from ...
DB - Geologie a mineralogie
- 2014 •
- Jx •
- Odkaz
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Earth's chondritic Th/U: Negligible fractionation during accretion, core formation, and crust-mantle differentiation
Radioactive decay of potassium (K), thorium (Th), and uranium (U) power the Earth's engine, with variations in Th-232/U-238 recording planetary thousand Th-232/U-238 (kappa) and time...
Earth and related environmental sciences
- 2018 •
- Jimp •
- Odkaz
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
Výsledek na webu
Atomic-scale Th and U segregation into dislocation cores and U-Pb age discordance in xenotime
The distribution of Th and U in a crystal of pegmatitic xenotime-(Y that might have affected U-(Th-)Pb age record. Xenotime contains high Th and U unaltered domains, and Th and <...
Mineralogy
- 2023 •
- Jimp •
- Odkaz
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
Výsledek na webu
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