Contents
Lithology and Mineral Resources

Vol. 33, No. 6, 1998

Simultaneous English language translation of the journal is available from / Interperiodica Publishing (Russia).
Distributed worldwide by Plenum / Consultants Bureau. Lithology and Mineral Resources ISSN 0024-4902.

Biochemogenic Genesis of the Glauconite–Nontronite Series Minerals
in Present-Day Sediments of the Pacific Ocean

A. R. Geptner and T. A. Ivanovskaya p. 503  abstract

New Data on the Structure of the Upper Danube Deep-Sea Fan

V. M. Sorokin, A. G. Roslyakov, and V. V. Yutsis p. 518  abstract

Polycrystalline Diamond from the Udachnaya Pipe, Yakutia: Mineralogical, Geochemical,
and Genetic Characteristics

A. I. Gorshkov, S. F. Vinokurov, D. I. Solodov, L. V. Bershov,
A. V. Mokhov, Yu. P. Solodova, and A. V. Sivtsov p. 525  abstract

The Upper Riphean Stromatolitic Reefal Complex: Burovaya Formation
of the Turukhansk Region, Siberia

P. Yu. Petrov and M. A. Semikhatov p. 539  abstract

Isotopic Evidences of Epigenetic Transformations and the Problem
of the Age of Riphean Rocks in the Uchur–Maya Region, Eastern Siberia

V. I. Vinogradov, B. G. Pokrovskii, D. I. Golovin, M. I. Bujakaite, V. I. Murav’ev, and A. F. Veis p. 561  abstract

The X-ray Diffraction Characteristics of Naphthides

Yu. M. Korolev p. 577  abstract

Book Review

“Placer Deposits of Russia and Other CIS Countries”
(Rossypnye mestorozhdeniya Rossii i drugikh stran SNG) p. 588

Chronicle

Activity of the Scientific Council for Geochemistry and Cosmochemistry,
Russian Academy of Natural Sciences (RANS) p. 590

The Problem of Present-Day Phosphorite Formation p. 592

The 80th Birthday of Petr Petrovich Timofeev p. 594

In Memory of A. I. Perel’man p. 596

Author Index to Volume 33, 1998 p. 598