Abstract
Magnesite of selected Austrian deposits/occurrences (sparry magnesite of Hohentauern/Sunk, Hochfilzen, Breitenau, Radenthein/Millstätter Alpe, Kaswassergraben and cryptocrystalline magnesite of Kraubath) were analysed for their stable Mg-isotope composition (δ26MgDSM-3). This pilot study focussed on the extension/completion of isotope data of Austrian mineral deposits. Additionally, some foreign types of magnesite (Bela Stena/Serbia, Bushveld/South Africa, Poldasht/NW Iran) were also analysed for comparison in order to evaluate site-specific characteristics. We found that the most important types of magnesite yield specific δ26MgDSM-3 −values: Kraubath-type −2.88‰ up to −1.80‰, Veitsch-type −1.54 up to −0.49‰, Bela Stena-type −1.07 up to −0.42‰ and Poldasht-type −1.04 up to +1.01‰, the latter deciphering the different formation mechanisms.
Translated title of the contribution | Mg-isotopes in Magnesite—a Pilot Study for the Austrian Deposit’s Isotope Database |
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Original language | German |
Pages (from-to) | 77-83 |
Journal | Berg- und hüttenmännische Monatshefte |
Volume | 164 |
DOIs | |
Publication status | Published - 2019 |