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  1. No Access

    Article

    Platinum group minerals in podiform chromitites of the Bou Azzer ophiolite, Anti Atlas, Central Morocco

    The Neoproterozoic Bou Azzer ophiolite complex hosts numerous, small lenticular bodies of massive and disseminated chromite. Metallurgical-grade high-Mg and high-Cr spinels (cores with 48–62 wt% Cr2O3) reveal com...

    M. El Ghorfi, F. Melcher, T. Oberthür, A. E. Boukhari… in Mineralogy and Petrology (2008)

  2. No Access

    Article

    Diverse contributing sources to chromitite petrogenesis in the Shebenik Ophiolitic Complex, Albania: evidence from new PGE- and Os-isotope data

    Chromitites sampled from four different pseudostratigraphic levels of the Mesozoic Shebenik Ophiolite Complex, Albania, have low PGE totals <1 µg/g but show different types of PGE enrichment (Burgath et al., 2003...

    H. Kocks, F. Melcher, T. Meisel, K.-P. Burgath in Mineralogy and Petrology (2007)

  3. No Access

    Article

    The origin of rutile-ilmenite aggregates (“nigrine”) in alluvial-fluvial placers of the Hagendorf pegmatite province, NE Bavaria, Germany

    Titanium placer deposits occur in alluvial-fluvial drainage systems which dissect Moldanubian gneisses intruded by Late Variscan pegmatites (Hagendorf province) in southern Germany. Based upon their texture (z...

    H. G. Dill, F. Melcher, M. Füßl, B. Weber in Mineralogy and Petrology (2007)

  4. No Access

    Article

    Molybdenum mineralization at Alpeiner Scharte, Tyrol (Austria): results of in-situ U–Pb zircon and Re–Os molybdenite dating

    Vein-type Mo mineralization at Alpeiner Scharte occurs in the Penninic units of the western Tauern Window in the Eastern Alps. Three types of previously undated metagranitoids (central gneisses) are distinguis...

    K. J. Langthaler, J. G. Raith, D. H. Cornell, H. J. Stein… in Mineralogy and Petrology (2004)

  5. No Access

    Article

    Rare earth, major and trace elements in Jurassic manganese shales of the Northern Calcareous Alps: hydrothermal versus hydrogenous origin of stratiform manganese deposits

    ¶The rare earth, major and trace element geochemistry of Jurassic deep marine manganese shales allow insight into their environment of deposition. We present data of 24 samples from the Northern Calcareous Alp...

    G. Rantitsch, F. Melcher, Th. Meisel, Th. Rainer in Mineralogy and Petrology (2003)

  6. No Access

    Article

    Relics of eclogite facies metamorphism in the Austroalpine basement, Hochgrössen (Speik complex), Austria

    Retrograde eclogites and serpentinites from the Hochgrössen massif, Styria, are parts of the Speik complex in the Austroalpine basement nappes of the Eastern Alps. They are in tectonic contact with pre-Alpine...

    S. W. Faryad, F. Melcher, G. Hoinkes, J. Puhl, T. Meisel… in Mineralogy and Petrology (2002)

  7. No Access

    Article

    Palladium and gold mineralization in podiform chromitite at Kraubath, Austria

    ¶We report, for the first time, the occurrence of five palladium-rich, one palladium bearing and two gold-silver minerals from podiform chromitites in the Eastern Alps. Minerals identified include braggite, ke...

    K. N. Malitch, F. Melcher, H. Mühlhans in Mineralogy and Petrology (2001)

  8. No Access

    Article

    Base metal – platinum-group element sulfidesfrom the Urals and the Eastern Alps:characterization and significance formineral systematics

    ¶A mineralogical classification of sulfides containing base metals (BM) and platinum group elements (PGE) is proposed based on BM-PGE ratios. Group A comprises BM sulfides carrying PGE as trace or minor elemen...

    F. Melcher in Mineralogy and Petrology (2000)

  9. No Access

    Article

    Mineralogy and mineral chemistry of snow filter residues in the vicinity of the nickel-copper processing industry, Kola Peninsula, NW Russia

    Fifteen snow samples were collected at the end of the 1995/96 winter in the vicinity (1.5–8 km) of the copper-nickel processing plants at Zapoljarnij, Nikel and Monchegorsk on the Kola Peninsula, NW Russia. Po...

    D. Gregurek, F. Melcher, V. A. Pavlov, C. Reimann… in Mineralogy and Petrology (1999)

  10. No Access

    Article

    The giant chromite deposits at Kempirsai, Urals: constraints from trace element (PGE, REE) and isotope data

    The investigation of stable and radiogenic isotopes and of platinum-group (PGE) and rare earth elements (REE) in chromitites and associated ultramafic rocks of the Kempirsai Massif, southern Urals, gives stro...

    F. Melcher, W. Grum, T. V. Thalhammer, O. A. R. Thalhammer in Mineralium Deposita (1999)

  11. No Access

    Article

    The metamorphosed molybdenum vein-type deposit of the Alpeinerscharte, Tyrol (Austria) and its relation to Variscan granitoids

    The molybdenite deposit of the Alpeinerscharte (Austria) is situated in Variscan greenschist- to amphibolite-facies metamorphosed granodiorites and granites of the western Tauern Window. These granitoids repre...

    F. Melcher, W. Prochaska, J. G. Raith, B. Saini-Eidukat in Mineralium Deposita (1996)

  12. No Access

    Article

    Konnatale Infektionen — ein Problem der Schwangerschaftsdiagnostik

    M. Beichert, K. Friese, F. Melcher in Archives of Gynecology and Obstetrics (1993)

  13. No Access

    Chapter and Conference Paper

    Konnatale Infektionen — ein Problem der Schwangerschaftsdiagnostik

    Die Röteln-und Lues-Diagnostik sind durch die Mutterschaftsrichtlinien fest in der Schwangerschaftsvorsorge verankert. Seit Jahren werden die Vor- und Nachteile eines geburtshilflichen Infektionsscreening disk...

    M. Beichert, K. Friese, F. Melcher in Gynäkologie und Geburtshilfe 1992 (1993)

  14. No Access

    Article

    Fe-Ti-Oxide assemblages in the basal parts of the Central Alpine Brenner Mesozoic, Tyrol/Austria

    Pseudorutile in the cores of strongly zoned ilmenite aggregates surrounded by titanhematite and rutile occurs in a metamorphic paleoweathering horizon locally covering the Austroalpine Oetztal-Stubai crystalli...

    F. Melcher in Mineralogy and Petrology (1991)