Contents
Transactions (Doklady) of the Russian Academy of Sciences/Earth Science Section

Vol. 432, Part 2, 2010

A Simultaneous English language translation of this journal is available from Pleiades Publishing, Ltd.
Distributed worldwide by Springer. Doklady Earth Sciences ISSN 1028-334X.

Translated from Doklady Akademii Nauk, Volume 432, Nos. 4–6

Volume 432, Part 2, June.

Part 1. Geology

New Data on the Composition and Age of Basement Rocks of the Tagil Paleo-Island Arc System

G. A. Petrov, Yu. L. Ronkin, V. I. Maegov, N. I. Tristan, A. V. Maslov,
E. V. Pushkarev, and O. P. Lepikhina p. 715  abstract

Oceanic Anoxic Events and Global Rhythms of Endogenic Activity
during the Phanerozoic History of the Earth

V. E. Khain^† and I. D. Polyakova p. 722  abstract

Fragments of the Vendian Convergent Borderland in the South Urals

S. G. Samygin, A. A. Belova, A. V. Ryazantsev, and A. A. Fedotova p. 726  abstract

Sm–Nd and Rb–Sr Ages of Gabbroids, Granitoids, and Titanomagnetite Ores
from Layered Intrusions of the Kusa–Kopan Complex (South Urals)

V. V. Kholodnov, G. B. Fershtater, Yu. L. Ronkin, N. S. Borodina,
S. V. Pribavkin, and O. P. Lepikhina p. 732  abstract

The First Find of Impactites of a New Astrobleme in the Southwest of the Siberian Platform

K. N. Egorov, L. G. Andryushchenko, and M. G. Karnaushenko p. 737  abstract

Oceanic Basins in Prehistory of the Evolution of the Arctic Ocean

V. E. Khain^† and N. I. Filatova p. 742  abstract

Part 2. Geochemistry, Geophysics, Oceanology, Geography

Geochemical Evolution of Rocks at the Base of the Lithospheric Mantle:
Evidence from Study of Xenoliths of Deformed Peridotites
from Kimberlite of the Udachnaya Pipe

A. M. Agashev, N. P. Pokhilenko, Yu. V. Cherepanova, and A. V. Golovin p. 746  abstract

The First ⁴⁰Ar/³⁹Ar Age Data for Trap Intrusions of the Western Part of the Siberian Platform

Yu. R. Vasiliev, M. P. Mazurov, S. N. Prusskaya, and A. V. Travin p. 750  abstract

Fluid Inclusions in Monomineral Glasses from Megabreccia of the Popigai Astrobleme

S. A. Vishnevskii, N. A. Gibsher, and N. A. Pal’chik p. 754  abstract

Zonal Partitioning of REEs in Dark Monazites (Kularites) of the Timan Ridge (Kryazh)

G. R. Kolonin, G. P. Shironosova, and I. V. Shvetsova p. 759  abstract

Formation of Curved Surfaces of Diamond Crystals upon Their Dissolution

V. I. Rakin p. 763  abstract

Deepwater Helium in Lake Baikal as an Earthquake Precursor

R. M. Semenov, V. S. Imaev, O. P. Smekalin, A. V. Chipizubov, and A. I. Orgil’yanov p. 767  abstract

New Synthetic High-Density Nickel Sulfide: A Plausible Component
of the Earth’s Core and Terrestrial Planets

D. A. Chareev, A. V. Kurnosov, L. S. Dubrovinsky, O. V. Narygina, P. G. Gavrilenko,
E. Yu. Zarechnaya, N. A. Dubrovinskaya, Yu. A. Litvin, and E. G. Osadchii p. 771  abstract

Application of Pseudorandom Signals for Underwater Distance Measurement on a Shelf

V. A. Akulichev, V. V. Bezotvetnykh, J. N. Morgunov, and Yu. A. Polovinka p.775  abstract

Distribution of Mercury and Its Species in the Zone of Sulphide Tailing

M. A. Gustaitis, E. V. Lazareva, A. A. Bogush, O. V. Shuvaeva,
I. N. Shcherbakova, E. V. Polyakova, Zh. O. Badmaeva, and G. N. Anoshin p. 778  abstract

First Data on Distribution of REE, Li, Rb, Cs, Sr, and Ba in Native Gold
from Deposits of the Main Gold-Bearing Provinces of Russia

A. N. Nekrasova, L. A. Nikolaeva, S. A. Milyaev, and S. V. Yablokova p. 783  abstract

Pyrochlores as Indicators of the Uranium-Bearing Potential of Magmatic Melts

A. F. Red’kin and G. P. Borodulin p. 787  abstract

U–Pb Age and Geochemistry of Zircons from Salma Eclogites
(Kuru-Vaara Deposit, Belomorian Belt)

S. G. Skublov, Yu. A. Balashov, Yu. B. Marin, A. V. Berezin, A. E. Mel’nik, and I. P. Paderin p. 791  abstract

Isotopic and Geochemical Evidence for a Subduction Setting during Formation
of the Mantle Lithosphere in the Northeastern Part of the Siberian Craton

L. V. Solov’eva, T. A. Yasnygina, and S. I. Kostrovitskii p. 799  abstract

The Self-Focusing Effect of Nondirected Acoustic Emission in Layered Media

B. A. Kasatkin and N. V. Zlobina p. 804  abstract

Electric and Magnetic Signals Due to Constrained Movement of Blocks of the Earth’s Crust

T. V. Losseva, M. Yu. Kuz’micheva, and A. A. Spivak p. 808  abstract

Nonlinear Dynamics of Gravity Flows in Sloping Channels

I. F. Nikolkina, E. N. Pelinovsky, and T. G. Talipova p. 812  abstract

Organic Matter in Present-Day Ecosystems of the Arctic Ocean

A. I. Agatova, N. M. Lapina, and N. I. Torgunova p. 816  abstract

U–Pb Isotopic Dating of Zircons (SHRIMP-II) from Granulites
of the Ol’khon Region of Western Baikal Area

N. I. Volkova, A. G. Vladimirov, A. V. Travin, A. S. Mekhonoshin,
S. V. Khromykh, D. S. Yudin, and S. N. Rudnev p. 821  abstract

Hydrocarbon Potential of Coal-Bearing Deposits of South Sakhalin

E. V. Gretskaya and M. V. Dakhnova p. 825  abstract

Primary, Secondary, and Admixture Zonation of Copper–Nickel Ores
during Fractional Crystallization of Sulfide Melts

V. I. Kosyakov and E. F. Sinyakova p. 829  abstract

Majoritic Garnets in Diamonds from Placers of the Northeastern Siberian Platform

V. S. Shatskii, D. A. Zedgenizov, and A. L. Ragozin p. 835  abstract

Stanniferrous Granites of Vietnam: Rb–Sr and Ar–Ar Isotope Age, Composition,
Sources, and Geodynamic Formation Conditions

Phan Luu Anh, A. G. Vladimirov, N. N. Kruk, G. V. Polyakov, V. A. Ponomarchuk,
Tran Trong Hoa, Ngo Thi Phuong, M. L. Kuibida, I. Yu. Annikova,
G. G. Pavlova, and V. Yu. Kiseleva p. 839  abstract

Description of Langmuir Circulation in Closed Basins Based on an Eddy Resolving Model

V. A. Shlychkov p.846  abstract

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