Contents
Geochemistry International

Vol. 39, Suppl. 1, 2001

The supplement is published only in English by MAIK “Nauka / Interperiodica” (Russia).
Geochemistry International ISSN 0016-7029.

Editor’s Preface

Yu. A. Shukolyukov p. 1

New Data on the Basement Age of the Western Part of the East European Platform:
U–Pb Isotopic Analysis of Zircon on a NORDSIM Ion Microprobe

E. V. Bibikova, S. Claesson, and S. V. Bogdanova p. 2  abstract

New Isotopic Data on the Protolith Age and Evolutionary Stages
of the Chupa Formation, Belomorian Belt

E. V. Bibikova, V. A. Glebovitskii, S. Claesson, Yu. V. Miller, T. I. Kirnozova,
T. A. Myskova, A. B. L’vov, and V. A. Makarov p. 12  abstract

Geologic Setting and U–Pb Age of the Shchuch’ia Bay Granitoids, Kola Peninsula

V. V. Chashchin, T. B. Bayanova, and E. A. Apanasevich p. 18  abstract

Geochemistry of the Komatiite–Tholeiite Rock Association
in the Vedlozero–Segozero Archean Greenstone Belt, Central Karelia

S. A. Svetov, A. I. Svetova, and H. Huhma p. 24  abstract

Is There an Ultradepleted Mantle?

L. K. Levskii p. 39  abstract

Sources of Rare Metals in Peraluminous Granites: A Review of Geochemical and Isotopic Data

Yu. A. Kostitsyn p. 43  abstract

Sources of the Late Mesozoic Carbonatites of Western Transbaikalia:
Trace-Element and Sr–Nd Isotopic Data

V. V. Yarmolyuk, A. V. Nikiforov, V. I. Kovalenko, V. G. Ivanov, and D. Z. Zhuravlev p. 60  abstract

Potassium–Argon and Rubidium–Strontium Systems on the Concordia Diagram

L. K. Levskii, I. M. Morozova, and V. M. Savatenkov p. 79  abstract

Formation Conditions of the Aluminite–Gypsum–Pyrite Mineral Assemblages
at a Hg–Au Deposit in the Donbas: Isotopic Evidence

V. I. Ustinov, V. A. Grinenko, V. M. Artemenko, V. F. Sukhoverkhov,
L. N. Grinenko, and O. M. Chernitsyna p. 83  abstract

Stable Isotopes in the Khibiny and Lovozero Massifs: Magma Sources
and Conditions of the Postmagmatic Alterations

B. G. Pokrovskii and S. M. Kravchenko p. 88  abstract

Primordial Light Noble Gases in the Solar System

A. K. Lavrukhina p. 99  abstract

Isotopic Composition of Noble Gases in the Dark and Light Lithologic Constituents
of the Efremovka Carbonaceous Chondrite

Yu. A. Shukolyukov, A. A. Ulyanov, S. S. Assonov,
E. V. Korochantseva, and Z. Herrmann p. 110  abstract

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