Zobrazeno 1 - 10
of 70
pro vyhledávání: '"Holger Sommer"'
Autor:
Holger Sommer, Alfred Kröner
Publikováno v:
Journal of African Earth Sciences. 150:626-656
This study reports igneous petrology, zircon ages and geochemistry for Palaeoproterozoic I-type granitic, granodioritic, Qtz-monzonitic, Qtz-monzodioritic and monzodioritic rocks from the Usagaran domain of southwestern Tanzania. These rocks can be s
We show new evidence that natural micro-diamonds can be formed in decompression-cracks by C:O:H bearing volatiles in a bimineralic eclogite. The investigated rock sample is a heterogeneous kyanite- bearing and bimineralic eclogite from the Roberts Vi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d23eb477cbbfc2fe7bdb404d5e621eba
https://doi.org/10.5194/egusphere-egu21-12279
https://doi.org/10.5194/egusphere-egu21-12279
Publikováno v:
Goldschmidt2021 abstracts.
Scientific contributions and therein geochemical datasets applied to mantle xenoliths collected from the Jwaneng Diamond Mine in Botswana are very rare, because of the problematic accessibility of the mine and additionally the strong alteration of th
Tonalite, Trondhjemite, Granodiorite (TTG) rocks in Viti Levu, Fiji islands formed through hydrous melting of gabbroic oceanic crust at low-pressure amphibolite-facies conditions caused by flat subduction of an oceanic plateau from Yavuna creek. Duri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28a7b49ba7c222bbbd42876258bdf701
https://doi.org/10.5194/egusphere-egu2020-10410
https://doi.org/10.5194/egusphere-egu2020-10410
Publikováno v:
Goldschmidt Abstracts.
Publikováno v:
Zeitschrift für Medizinische Physik. 28:158-163
The surgical removal of a breast tumour is often followed by postoperative irradiation of the surrounding tissue with a radioactive source (brachytherapy). When performing the MammoSite procedure, a spherical silicone balloon is inserted and filled w
Publikováno v:
Lithos. :666-690
This study investigated Neoproterozoic (Pan-African) eclogite- and high-pressure-granulite (E-HPG) facies rocks from the Mozambique belt of east-central Tanzania, collected close to the town of Ifakara and the adjacent Furua area from different tecto
Publikováno v:
Geochimica et Cosmochimica Acta. 207:19-42
Heterogeneous, modally banded kyanite-bearing and bimineralic eclogites from the lithospheric mantle, collected at the Roberts Victor Diamond mine (South Africa), show a reaction texture in which kyanite is consumed. Geothermobarometric calculations
Publikováno v:
Precambrian Research. 353:105971
Tonalite, trondhjemite, granodiorite (TTG) rocks in Viti Levu, Fiji Islands formed through hydrous partial melting of gabbroic oceanic crust at low-pressure amphibolite-facies conditions caused by flat subduction of an oceanic plateau from Yavuna cre
Autor:
Melanie Ebenau, Markus Bambynek, Marion Eichmann, B. Spaan, Dirk Flühs, Désirée Radeck, Holger Sommer
Publikováno v:
Medical Physics. 43:4598-4606
Purpose: Plastic scintillation detectors are promising candidates for the dosimetry of low- to medium-energy photons but quantitative knowledge of their energy response is a prerequisite for their correct use. The purpose of this study was to charact