Geology of Ore Deposits, 2009, V 51, N 7.

The Geochemical and Genetic Role of Organic Substances in Postmagmatic
Derivatives of Alkaline Plutons 
V. N. Ermolaeva, N. V. Chukanov, I. V. Pekov, and L. N. Kogarko 
p. 513  

Native Elements in Rocks of the Banded Iron Formation, Kola Peninsula 
A. V. Bazai, G. Yu. Ivanyuk, Ya. A. Pakhomovsky,
P. M. Goryainov, and V. N. Yakovenchuk 
p. 525  

Tantalum–Niobium Mineralization of the Taikeu Ore Cluster, the Polar Urals 
N. V. Vasil’ev, V. Yu. Chevychelov, G. P. Zaraisky,
G. P. Borodulin, and O. V. Udoratina 
p. 537  

U–Pb Age of Zircon from Mantle Peridotite Nodules in Cenozoic Alkali Basalts
of the Vitim Plateau, Transbaikal Region 
A. K. Saltykova, L. P. Nikitina, and D. I. Matukov 
p. 549  

Mineralogy and Petrography of a Kimberlite–Picrite Dike in the Northwestern 
Urik–Iya Graben, the Eastern Sayan Region 
Yu. A. Minaeva and K. N. Egorov 
p. 565  

Petrology of the Early Proterozoic Platinum-Bearing Massif of Fedorov Tundra, Kola Peninsula 
M. I. Dubrovsky and T. V. Rundqvist 
p. 577  

New Minerals 
Biachellaite, (Na,Ca,K)8(Si6Al6O24)(SO4)2(OH)0.5 · H2O, a New Mineral Species 
of the Cancrinite Group 
N. V. Chukanov, R. K. Rastsvetaeva, I. V. Pekov, A. E. Zadov, R. Allori, 
N. V. Zubkova, G. Giester, D. Yu. Puscharovsky, and K. V. Van 
p. 588  

Minerals and Parageneses of Minerals 
Tveitite-(Y) and REE-Enriched Fluorite from Amazonite Pegmatites of the Western Keivy, 
Kola Peninsula, Russia: Genetic Crystal Chemistry of Natural Ca,REE-Fluorides 
I. V. Pekov, N. V. Chukanov, N. N. Kononkova, O. V. Yakubovich, W. Massa, and A. V. Voloshin 
p. 595  

Chemical Composition of Nyerereite and Gregoryite from Natrocarbonatites
of Oldoinyo Lengai Volcano, Tanzania 
A. N. Zaitsev, J. Keller, J. Spratt, T. E. Jeffries, and V. V. Sharygin 
p. 608  

Phosphate and Sulfate–Phosphate Mineralization in Sillimanite-Bearing Rocks 
at the Kyakhta Deposit, Western Transbaikal Region 
I. A. Izbrodin, G. S. Ripp, and N. S. Karmanov 
p. 617  

Isomorphic Substitutions in Afghanite: Identification of the Mineral 
A. N. Sapozhnikov, D. I. Cherepanov, L. F. Suvorova, and L. P. Feoktistova 
p. 627  

Sequence of Mineral Formation in Clastic Ores of the Saf’yanovka
Volcanic-Hosted Copper Massive Sulfide Deposit, the Central Urals 
N. P. Safina and V. V. Maslennikov 
p. 633  

Mineralogical Crystallography 
Anomalous Variations of Crystal Habits and Solution Properties in the Context 
of the Crystallization Medium Structure 
E. V. Kiryanova, V. L. Ugolkov, L. A. Pyankova, and S. K. Filatov 
p. 644  

The Crystal Structure of Alumoklyuchevskite, K3Cu3AlO2(SO4)4 
S. V. Krivovichev, S. K. Filatov, and P. N. Cherepansky 
p. 656  

Crystal Chemistry of Selenates with Mineral-Like Structures: VII. The Structure
of (H3O)[(UO2)(SeO4)(SeO2OH)] and Some Structural Features of Selenite-Selenates 
S. V. Krivovichev 
p. 663  

Organic Mineralogy and Biomineralogy 
Transformation of the Molecular and Supramolecular Structure
 of Ozokerite under Thermal Effect 
O. V. Kovaleva and E. A. Golubev 
p. 668