Contents

Doklady Earth Sciences

Vol. 472, No. 1, 2017

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

Geology

The Paleoproterozoic Fedorov–Pana Layered PGE Complex of the Northeastern Baltic Shield, Arctic Region: New U–Pb (Baddeleyite) and Sm–Nd (Sulfide) Data

T. B. Bayanova, T. V. Rundquist, P. A. Serov, A. U. Korchagin and S. M. Karpov p. 1  abstract

Tectonic Aspects of Precambrian Metallogeny of Gold and Uranium

M. Z. Glukhovskii, Corresponding Member of the RAS V. I. Velichkin and M. V. Shumilin p. 6  abstract

The First Sm–Nd Isotope–Geochemical Data on the Paleoproterozoic Age of Metamorphic Rocks from the Crystalline Basement of the Yurovsk Rise (Okhotsk Massif)

V. K. Kuzmin, E. S. Bogomolov and Corresponding Member of the RAS V. A. Glebovitsky p. 11  abstract

Model of the Formation of Marginal Seas in the Western Pacific Ocean

V. I. Chuprynin and L. A. Izosov p. 16  abstract

New Data on the Composition and Age of Rocks from the Bathymetrists Seamounts (Eastern Margin of the Equatorial Atlantic)

S. G. Skolotnev, A. A. Peyve, M. E. Bylinskaya and L. A. Golovina p. 20  abstract

Polychronous Formation of the Ophiolite Association in the Tekturmas Zone of Central Kazakhstan Inferred from Geochronological and Biostratigraphic Data

Corresponding Member of the RAS K. E. Degtyarev, T. Yu. Tolmacheva, A. A. Tretyakov, A. B. Kotov, A. S. Yakubchuk, E. B. Salnikova and Kuo-Lun Wang p. 26  abstract

Paleomagnetism of Mongolia

D. V. Kovalenko and Corresponding Member of the RAS V. A. Petrov p. 31  abstract

Geochemistry

Alkanes in Quaternary Deposits of the Laptev Sea

E. A. Romankevich, A. A. Vetrov, N. A. Belyaev, Academician V. I. Sergienko, I. P. Semiletov, S. V. Sukhoverkhov, S. Yu. Bratskaya, N. A. Prokuda and A. S. Ulyantsev p. 36  abstract

Glass at Endocontacts of Granite Massifs in Volcanic–Plutonic Belts (Exemplified by Granite of Central Kazakhstan)

R. N. Sobolev p. 40  abstract

Geophysics

Laboratory Modeling and Measurement of the Acoustic Properties of Methane-Bearing Rock Samples

A. D. Duchkov, A. A. Duchkov, A. Yu. Manakov, M. E. Permyakov, N. A. Golikov and A. N. Drobchik p. 44  abstract

Experimental Study of the Influence of Water on Elastic Wave Velocities in Dunite and Serpentinite (on the Nature of the Low-Velocity Zone in the Upper Mantle of the Earth)

E. B. Lebedev, N. I. Pavlenkova and O. A. Lukanin p. 49  abstract

New Findings on the Sources of Strong Earthquakes in Kerch Peninsula Based on Paleoseismological Data

A. N. Ovsyuchenko, A. M. Korzhenkov, A. S. Larkov, A. V. Marahanov and E. A. Rogozhin p. 53  abstract

Geography

Glacier Surges and Glacial Disasters

Academician V. M. Kotlyakov, L. P. Chernova, T. Ye. Khromova and N. M. Zverkova p. 57  abstract

Geochemistry

40Ar/39Ar Age of the Porphyry Ca(Au) Mineralization of the Elna Deposit and Its Relation to Magmatism (Northeastern Part of the Argun Superterrane)

I. V. Buchko, A. A. Sorokin, A. V. Ponomarchuk, A. V. Travin and V. A. Ponomarchuk p. 62  abstract

Ba-dominant Fluoroaluminates from the Katugin Rare-Metal Deposit (Transbaikalia, Russia)

A. E. Starikova, V. V. Sharygin and Corresponding Member of the RAS E. V. Sklyarov p. 67  abstract

The 2405 Ma Doleritic Dykes in the Karelian Craton: A Fragment of a Paleoproterozoic Large Igneous Province

A. V. Stepanova, E. B. Salnikova, Corresponding Member of the RAS A. V. Samsonov, Yu. O. Larionova, S. V. Egorova and V. M. Savatenkov p. 72  abstract

Average Composition of the Tonalite–Trondhjemite–Granodiorite Association: Possibilities of Application

V. P. Chekulaev and Corresponding Member of the RAS V. A. Glebovitsky p. 78  abstract

Geophysics

The Nature of Precursor Waves from Distant Earthquakes

V. Yu. Burmin and A. N. Boyko p. 83  abstract

GEOPHYSICS

The Westward Drift of the Earth’s Oscillations after Earthquakes

Corresponding Member of the RAS G. A. Sobolev p. 87  abstract

Geophysics

Measurement of the Difference in the Earth’s Gravitational Potentials with the Help of a Transportable Quantum Clock

V. F. Fateev, A. I. Zharikov, V. P. Sysoev, E. A. Rybakov and F. R. Smirnov p. 91  abstract

GEOGRAPHY

Critical Loads of Benzo(a)pyrene on Urban Soils

N. E. Kosheleva, Academician N. S. Kasimov, D. V. Vlasov and E. M. Nikiforova p. 95  abstract

Geochemistry

Initial H2O Content and Conditions of Parent Magma Origin for Gorely Volcano (Southern Kamchatka) Estimated by Trace Element Thermobarometry

D. P. Nazarova, M. V. Portnyagin, S. P. Krasheninnikov, N. L. Mironov and Academician A. V. Sobolev p. 100  abstract

The First Lu–Hf Zircon Isotope Data for Gabbro–Diorite–Tonalite Associations of the Urals

Yu. L. Ronkin, V. N. Smirnov, K. S. Ivanov and A. Gerdes p. 104  abstract

Igneous Carbonates in Dolerites of Franz Joseph Land

Corresponding Member of the RAS E. V. Sklyarov, Yu. V. Karyakin and S. V. Kanakin p. 109  abstract

The Cambrian–Ordovician Diorite–Granodiorite–Granite Association of the Mamyn Terrane (Central Asian Fold Belt): U–Pb Geochronological and Geochemical Data

A. A. Sorokin and N. M. Kudryashov p. 113  abstract

Geophysics

Geodynamics and Seismicity of the Eastern Part of Central Asia

Yu. G. Gatinsky, T. V. Prokhorova and D. V. Rundquist p. 119  abstract

Synchronization, Desynchronization, and Resynchronization as Mechanisms for the Formation of Variable Polyrhythmicity in Biological and Geophysical Systems

Academician V. A. Chereshnev, A. G. Gamburtsev and S. I. Stepanova p. 123  abstract