Marianne Walter scite author profile

Durch Zusammenschmelzen von Kupfer mit Alkalicarbonat und Schwefel werden die Alkalithiocuprate Na2Cu3S3, KCu4S3 und K3Cu8S6 dargestellt. Durch Umsetzung von Rubidiumsulfid mit Kupfer und Schwefel unter Luftausschluß wird ein blaues Rubidiumthiocuprat, RbCu4S3, erhalten. Die spez. Leitfähigkeiten bei 20° betragen in Ω−1 · cm−1: . KCu4S3 und RbCu4S3 bilden ein tetragonales Schichtengitter mit den Gitterkonstanten: . Die Raumgruppe ist D 4h1−P4/mm mit 1 MeCu4S3 pro Elementarzelle. Die Punktlagen sind: .

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Do ages of authigenic K-feldspar date the formation of Mississippi Valley-type Pb-Zn deposits, central and southeastern United States?: Pb isotopic evidence

Aleinikoff

Walter

Kunk

et al. 1993

Geol

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Middle Proterozoic age for the Montpelier Anorthosite, Goochland terrane, eastern Piedmont, Virginia

Aleinikoff

Horton

Walter

1996

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UPb ages of zircon rims: A new analytical method using the air-abrasion technique

Aleinikoff¹,

Winegarden²,

Walter³

1990

Chemical Geology: Isotope Geoscience section

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Marianne Walter

U-Pb ages of metarhyolites of the Catoctin and Mount Rogers formations, Central and Southern Appalachians; evidence for two pulses of Iapetan rifting

Alkalithio‐ und ‐selenoverbindungen der Übergangselemente. III. Strukturuntersuchungen an Alkalithiocupraten

Do ages of authigenic K-feldspar date the formation of Mississippi Valley-type Pb-Zn deposits, central and southeastern United States?: Pb isotopic evidence

Middle Proterozoic age for the Montpelier Anorthosite, Goochland terrane, eastern Piedmont, Virginia

UPb ages of zircon rims: A new analytical method using the air-abrasion technique

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