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

Vol. 439, Part 2, 2011

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 439, Nos. 4–6

Volume 439, Part 2, August.

Part 1. Geology

Iron–Manganese Formations on Seamounts of the Brazil Basin (South Atlantic)

E. S. Bazilevskaya and S. G. Skolotnev p. 1039  abstract

Ore Mineral Assemblages from Intrusive Traps of the Western Sector of the Siberian Platform

Yu. R. Vasil’ev, M. P. Mazurov, V. G. Tsymbalist, and A. V. Shikhova p. 1044  abstract

The First Results of U–Pb Dating of Zircons from Gneissic Granites
of the Kharbei Complex (Polar Urals)

I. I. Golubeva p. 1048  abstract

Structure of the Transition Zone between Hovgaard Ridge and Spitsbergen Plateau
according to the Data Obtained during Cruise 27
of the RV Academik Nikolai Strakhov

A. V. Zayonchek, S. Yu. Sokolov, A. O. Mazarovich, A. V. Ermakov, A. A. Razumovskii,
V. R. Akhmedzyanov, A. A. Barantsev, N. S. Zhuravko, E. A. Moroz,
E. A. Sukhikh, M. M. Fedorov, and K. P. Yampol’skii p. 1054  abstract

Ferromanganese Crusts from Submarine Volcanoes of Backarc Basins
as a New Genetic Type of Gallium Deposits

P. E. Mikhailik and A. I. Khanchuk p. 1060  abstract

Au and Ag Metallogeny of the Kedon Volcanic-Plutonic Belt (D_2–3) (Northeast Russia)

A. V. Volkov, N. E. Savva, V. A. Sidorov, and A. A. Sidorov p. 1063  abstract

Late Paleozoic Alkali–Granitic Magmatism of Tuva and Its Relation to Intraplate Activity
within the Siberian Paleocontinent

A. M. Sugorakova, V. V. Yarmolyuk, V. I. Lebedev, and D. A. Lykhin p. 1070  abstract

New Data on Age of Ore-Hosting Sequence of the Saf’yanovka Deposit, Central Urals,
Based on Foraminifers

B. I. Chuvashov, A. L. Anfimov, E. I. Soroka, and N. S. Yaroslavtseva p. 1076  abstract

Underground Hydrosphere in the Western Shoulder of the Baikal Rift:
Results of Hydrogeological Research in the Bayandai Settlement–Krestovskii Cape Profile

K. Zh. Seminsky and M. A. Tugarina p. 1079  abstract

New Data on Deep Structure, Tectonics, and Mineralogeny of the Zeya-Bureya Basin

A. P. Sorokin, V. B. Kaplun, Yu. F. Malyshev, and A. T. Sorokina p. 1084  abstract

Part 2. Geochemistry, Geophysics, Oceanology, Geography

The Problem of Subdivision of Volcanic Rocks of the Trappean Formation
of the Norilsk Region

N. A. Krivolutskaya p. 1088  abstract

Genesis of High-Magnesium Volcanic Rocks
of the Paleoproterozoic Vetrennyi Belt (Eastern Karelia):
Evidence from the Study of U–Pb and Lu–Hf Systems in Zircons

V. F. Smol’kin, E. V. Sharkov, K. I. Lokhov, I. N. Kapitonov, and S. A. Sergeev p. 1093  abstract

Floating Degasification Jets and Light Precursors of Earthquakes

A. K. Maslov, V. L. Natyaganov, and A. A. Chaika p. 1099  abstract

The Vologda and Solovki Dendrochronological “Chronicles”
as a Source of Information about the Climate Conditions of the Last Millennium

O. N. Solomina, V. V. Matskovskii, and R. S. Zhukov p. 1104  abstract

Holocene Palinostratigraphy of Choshskaya Gulf of the Barents Sea
as a Proxy Tool for Past Environmental Reconstructions

G. A. Tarasov, O. V. Rudenko, and G. G. Matishov p. 1110  abstract

Autonomous Anorthosites of the Aldan Shield and Associated Rocks:
Age, Geochemistry, and Formation Mechanism (Example of the Kalar Massif)

M. Z. Glukhovskii, M. I. Kuzmin, T. B. Bayanova, G. N. Bazhenova,
D. V. Elizarov, and P. A. Serov p. 1113  abstract

Stable Isotopes of Carbon and Oxygen as Indicators of Magnesia Metasomatosis
in the Lower Riphean Deposits of the Southern Urals

M. T. Krupenin, A. B. Kuznetsov, D. P. Krylov, and A. V. Maslov p. 1122  abstract

OIB-Type Basalts of the Irbistu River Basin (Southeast Mountain Altai):
Evidence for the HIMU Component in the Magmatic Source

V. I. Krupchatnikov, V. V. Vrublevskii, I. F. Gertner, and V. A. Krivchikov p. 1127  abstract

Redistribution of Radionuclides between a Microbial Mat and a Carbonate Body
at the Garga Hot Spring (Baikal Rift Zone)

E. V. Lazareva, S. M. Zhmodik, M. S. Melgunov, I. V. Petrova, and A. V. Bryanskaya p. 1131  abstract

The Geochemical Role of Phyto- and Zooplankton in the Extraction
of Chemical Elements from Water

M. J. Chebotina, E. V. Polyakov, V. P. Guseva, N. A. Khlebnikov, and V. T. Surikov p. 1138  abstract

Energy Balance in the Focus of a Tectonic Earthquake

S. S. Grigoryan p. 1141  abstract

New Data on the Active Faults and Zones of Modern Lithosphere Destruction
in the Amur Region

S. I. Sherman, A. P. Sorokin, A. T. Sorokina, E. A. Gorbunova, and V. A. Bormotov p. 1146  abstract

Anomalous Concentrations of Zinc and Copper in Highmoor Peat Bog,
Southeast Coast of Lake Baikal

V. A. Bobrov, A. A. Bogush, G. A. Leonova, V. A. Krasnobaev, and G. N. Anoshin p. 1152  abstract

Genesis of Manganese Ores and Their Position in Sedimentary Basins of the Eastern Segment
of the Paleoasian Ocean: Sm–Nd Isotopic and Geochemical Evidence

E. F. Letnikova, F. A. Letnikov, A. B. Kuznetsov, S. I. Shkol’nik,
L. Z. Reznitskii, and T. L. Turchenko p. 1157  abstract

New Data on the Age of Eclogites from the Belomorian Mobile Belt at Gridino Settlement Area

S. G. Skublov, B. Yu. Astaf’ev, Yu. B. Marin, A. V. Berezin, A. E. Mel’nik, and S. L. Presnyakov p. 1163  abstract

Congruent Melting of Calcium Carbonate in a Static Experiment at 3500 K and 10–22 GPa:
Its Role in the Genesis of Ultradeep Diamonds

A. V. Spivak, L. S. Dubrovinskii, and Yu. A. Litvin p. 1171  abstract

Estimation of the Refertilization Grade of Lithosphere Roots by the Chemical Composition
of Garnets from Siberian Kimberlites

N. S. Tychkov, A. M. Agashev, N. P. Pokhilenko, and I. S. Bazhan p. 1175  abstract

Numerical Simulation of Propagation of Radioactive Pollution in the Ocean
from the Fukushima Dai-ichi Nuclear Power Plant

S. V. Prants, M. Yu. Uleysky, and M. V. Budyansky p. 1179  abstract

Influence of Climatological Norms of the Surface Air Temperature
on the Fractal Dimensionality of the Series of Long-Term River Discharge

V. V. Kovalenko and E. V. Gaidukova p. 1183  abstract

Balance of Heavy Metals in the Volga River Delta

A. N. Kur’yakova p. 1186  abstract

Assessment of ¹³⁷Cs and ⁹⁰Sr Fluxes in the Barents Sea

G. G. Matishov, D. G. Matishov, I. S. Usyagina, N. E. Kasatkina, and E. V. Pavel’skaya p. 1190  abstract

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