Petrology, 2021, V 29, N 5.

Neoarchean Granitoids in the Western Part of the Tunguska 
Superterrane, Basement of the Siberian Platform: 
Geochronology, Petrology, and Tectonic Significance
A. V. Samsonov, V. V. Postnikov, V. A. Spiridonov, 
Yu. O. Larionova, A. N. Larionov, A. V. Travin, 
O. V. Postnikova, N. V. Solovyeva, I. A. Sabirov 
and I. V. Spiridonov 
p. 449  

Petrology of the Mid-Paleoproterozoic Tiksheozero 
Ultramafic‒Alkaline‒Carbonatite Complex 
E. V. Sharkov, A. V. Chistyakov, M. M. Bogina, 
V. V. Shchiptsov, B. V. Belyatsky and P. V. Frolov 
p. 475  

Comparative Analysis of the Compositions of 
Archean and Phanerozoic Basalts: Possibilities 
and Limitations of Geodynamic Reconstructions 
on Geochemical Data
S. D. Velikoslavinskii, D. P. Krylov, A. B. Kotov, 
V. P. Kovach, E. V. Tolmacheva and T. M. Skovitina 
p. 502  

Plume Magmatism at Franz Josef Land
Yu. V. Karyakin, E. V. Sklyarov and 
A. V. Travin 
p. 528  

Experimental Study of Cation-Exchange 
Equilibria of Solid Solutions of Gallium 
Feldspars (Na,K)GaSi3O8 with Water–Salt 
Fluid (NaCl–KCl–H2O) at 550°С and 1.5 Kbar
A. R. Kotelnikov, N. I. Suk, G. M. Akhmedzhanova 
and Z. A. Kotelnikova 
p. 561  

Geochronology, Geochemistry and Tectonic 
Significance of Buziwannan Late Triassic 
I-Type Granites in the West Kunlun Orogen Belt, 
Northwest China
Peiwen Chen and Qingdong Zeng 
p. 575