№ 84

REGIONAL GEOLOGY

О.V. Petrov, E.A. Kiselev, А.V. Моlchanov, V.V. Shatov, T.N. Zubova, А.V. Terekhov, V.N. Belova, S.V. Kashin, V.V. Semenova, А.Е. Sobolev, N.S. Solov’ev, V.А. Shamakhov
Map of distribution patterns of copper­gold­porphyry deposits in Russia at a scale of 2,500,000 (based on state geological mapping at 1 : 1 M scale, the 3rd generation).
P. 5–24
Abstract

L.A. Daragan­Sushchova, O.V. Petrov, Yu.I. Daragan­Sushchov, D.I. Leont’ev, I.N. Savel’ev
History of formation of the Eurasian basin, the Arctic Ocean, based on seismic data.
P. 25–44
Abstract

A.I. Malov
Evolution of uranium isotopic composition in the sandy­clay aquifer of the paleo­valley in the Northern Dvina depression.
P. 45–54
Abstract

METALLOGENY

O.V. Petrov, E.A. Kiselev, А.I. Khanchuk, V.V. Ivanov, V.V. Shatov, A.A. Alenicheva, А.V. Molchanov, А.V. Terekhov, V.I. Leont’ev, N.V. Rodionov, B.V. Belyatskiy, S.А. Sergeev
REE + Y, Hf, U, Th, and Pb distribution in zircon as an indicator for fertility of magmatic rocks of the Malmyzh and Pony Cu­Au­porphyry ore fields (Trans­Amur Region, Russian Far East).
P. 55–70
Abstract

N.V. Shatova, V.V. Shatov, A.V. Molchanov, O.V. Petrov, A.V. Terekhov, V.N. Belova, V.I. Leont’ev
Geochemistry and petrography of hydrothermally altered rocks of the Ryabinovoe ore field (South Yakutia) as the basis for prediction of gold­copper­porphyry ore mineralization.
P. 71–96
Abstract

V.I. Ivashchenko, K.A. Konevin
Noble metal mineralization of Motko and Kuolisma Proterozoic gabbrodolerite intrusions (Karelia).
P. 97–105
Abstract

Yu.B. Mironov, A.M. Karpunin, V.Z. Fuks
Thorium metallogeny in the Russian Federation.
Стр. 106–116
Abstract

DEDICATED TO THE 75th ANNIVERSARY OF VICTORY

Z.I. Glezer
My school years.
P. 117–119