Geochemistry International, 2001, V 39, N 11, November.

Combined Study of Thermoluminescence, Tracks, and Radionuclides
in the Recently Fallen Kunya-Urgench Chondrite 
V. A. Alexeev, V. D. Gorin, A. I. Ivliev, L. L. Kashkarov, and
G. K. Ustinova 
p. 1043   

Rare-Earth Elements in Granites and Minerals 
from the Ikh-Khairkhan Tungsten Mining District, Central Mongolia 
G. F. Ivanova, G. M. Kolesov, V. B. Naumov, E. V. Cherkasova, and V. S. Karpukhina 
p. 1056   

Sulfur and Carbon Isotopes in Hydrothermal Fields of the Mid-Atlantic Ridge 
A. Yu. Lein 
p. 1066   

Kinetics and Mechanisms of the Laboratory Dissolution of Feldspars 
V. A. Alexeev 
p. 1078   

Specific Features of the Nitrogen Fluid Regime in Hydrothermal Metasomatic 
Systems: Case Studies of Zod, Charmitan, Muruntau, and Marjanbulak Gold Deposits 
A. B. Kol'tsov, N. N. Baranova, S. V. Kozerenko, E. I. Zhilina, and O. F. Mironova 
p. 1098   

Minimization of Gibbs Free Energy in Geochemical Systems by Convex Programming 
I. K. Karpov, K. V. Chudnenko, D. A. Kulik, O. V. Avchenko, and V. A. Bychinskii 
p. 1108   

Artificial Radionuclides in the Industrial Water Pools of PO Mayak 
F. I. Pavlotskaya, T. A. Goryachenkova, I. E. Kazinskaya, 
E. V. Kuzovkina, V. V. Emel'yanov, A. P. Novikov, and B. F. Myasoedov 
p. 1120   



Short Communications 

Conditions of Formation of Xenoliths in Pleistocene Lavas 
of Elbrus Volcano (Caucasus, Russia) 
V. B. Naumov, M. L. Tolstykh, A. G. Gurbanov, V. M. Gazeev, 
N. N. Kononkova, and L. V. Sazonova 
p. 1130   

Nb, Zr, and Sc in Mantle-Derived Metasomatic Micas
from Alkali Basaltoids of the Southern Tien Shan 
V. V. Mogarovskii and V. S. Lutkov 
p. 1136   

A Kinetic Model for Rhythmic Metasomatic Ore Zoning 
A. A. Belyaev 
p. 1139   

Phosphate Sorption from Seawater on Calcite and Aragonite 
A. V. Savenko 
p. 1144