Geology and Geophysics, 2005, V 46, N 4, April.

PETROLOGY, GEOCHEMISTRY, AND MINERALOGY
     
Chemical and mineral compositions of metacarbonate 
rocks under regional metamorphism conditions 
and guidelines on rock classification. 
O.M. Rosen, D. Fettes, and J. Desmons 
351 
    
Blueschists from the Uimon Zone as evidence
for Ordovician accretionary-collisional events 
in Gorny Altai. N.I. Volkova, S.I. Stupakov,
G.A. Tret'yakov, V.A. Simonov, A.V. Travin, and D.S. Yudin 
361 
    
Fe-Mg carbonates and variations in isotopic
compositions of carbon and oxygen at the Ozernoe 
hydrothermal-sedimentary pyrite-polymetallic 
deposit (Transbaikalia). K.R. Kovalev, G.S. Ripp, 
E.G. Distanov, and M.V. Baulina 
379 
    
GEODYNAMICS
 
    
Paleomagnetic directions from Nersa intrusions 
of the Biryusa terrane, Siberian craton, as a 
reflection of tectonic events in the Neoproterozoic. 
D.V. Metelkin, I.V. Belonosov, D.P. Gladkochub, 
T.V. Donskaya, A.M. Mazukabzov, and A.M. Stanevich 
395 
    
STRATIGRAPHY AND LITHOLOGY
 
    
Pliocene-Pleistocene sedimentary stratigraphy 
of Transbaikalia: new data. M.A. 
Erbaeva, V.V. Karasev, and N.V. Alekseeva 
411 
    
Ice-rafting of sand-silty material in South Baikal. 
E.G. Vologina, N.G. Granin, S.S. Vorob'eva, 
P. Francus, T.K. Lomonosova, I.A. Kalashnikova, 
and L.Z. Granina
420 
    
GEOPHYSICS
 
Approximation of electromagnetic field from
a magnetic dipole in a layered medium 
at small wave numbers. A.I. Fedorov and M.I. Epov 
428 
    
Optimization inversion of seismic data from layered
media: an algorithm for gradient. 
E. Kurpinar  and A.L. Karchevsky 
437 
    
BRIEF COMMUNICATIONS
    
First paleomagnetic results from the bottom
sediments of Lake Hovsgol based  on drilling data. 
A.Yu. Kazansky, A.P. Fedotov, G.G. Matasova, 
A.A. Yuldashev, G.A. Ziborova, T.O. Zheleznyakova,
E.G. Vologina, Ts. Oyuntcimeg, Ts. Narantsetseg, 
D. Tomurkhoo 
446