Petrology, 2020, V 28, N. 4.

Ilmenite from the Arkhangelsk Diamond Province, Russia: 
Composition, Origin and Indicator of Diamondiferous Kimberlites
A. V. Kargin, A. A. Nosova, L. V. Sazonova, E. V. Peresetskaya, 
Yu. Yu. Golubeva, N. M. Lebedeva, V. V. Tretyachenko, 
V. A. Khvostikov and J. P. Burmii 
p. 315  

Olivine and Clinopyroxene Phenocrysts as a Proxy 
for the Origin and Crustal Evolution of Primary 
Mantle Melts: a Case Study of 2.40 Ga Mafic Sills 
in the Kola–Norwegian Terrane, Northern Fennoscandia
K. G. Erofeeva, A. V. Samsonov, A. V. Stepanova, 
Yu. O. Larionova, E. O. Dubinina, S. V. Egorova, 
A. A. Arzamastsev, E. V. Kovalchuk and V. D. Abramova 
p. 338  

Silicate Liquid Immiscibility as a Result of Fenner-Type 
Crystal Fractionation of Wangtian’e Tholeiitic Melts, 
Northeast China

O. A. Andreeva, I. A. Andreeva, V. V. Yarmolyuk, 
Jianqing Ji, Xin Zhou and S. E. Borisovskii 
p. 357  

Influence of the Precipitation Rate on the Isotope 
(δ18O, δ13C and δ88Sr) Composition of Carbonate 
Chimneys of the Lost City Hydrothermal Field 
(30° N, Mid-Atlantic Ridge)
E. O. Dubinina, A. Yu. Kramchaninov, S. A. Silantyev 
and N. S. Bortnikov 
p. 374  

Small-Scale Reactional Features in Abyssal Peridotites
from the Mid-Atlantic Ridge at 17°04′ to 17°10′ N
A. N. Pertsev and V. E. Beltenev 
p. 389