Petrology, 2019, V 27, N 1.

Reduced CO2 Fluid as an Agent of Ore-Forming Processes: 
A Case Study of Dolomite-Replacement Skarns at the Yoko-Dovyren Massif
A. G. Simakin, E. V. Kislov, T. P. Salova, 
O. Yu. Shaposhnikova and A. N. Nekrasov 
p. 1  

2.4 Ga Mafic Dikes and Sills of Northern Fennoscandia: 
Petrology and Crustal Evolution
K. G. Erofeeva, A. V. Stepanova, A. V. Samsonov, 
Yu. O. Larionova, S. V. Egorova, A. A. Arzamastsev 
and E. V. Kovalchuk 
p. 17  

Tectonic Position of the Late Neoproterozoic–Early 
Paleozoic Metamorphic Belts within the Tuva–Mongolian 
Terrane of the Central Asian Orogenic Belt
I. K. Kozakov, E. B. Salnikova, I. V. Anisimova, 
P. Ya. Azimov, V. P. Kovach, Yu. V. Plotkina, 
M. V. Stifeeva and A. M. Fedoseenko 
p. 43  

Migration of Radiogenic Helium in the Crystal 
Structure of Sulfides and Prospects of 
Their Isotopic Dating
O. V. Yakubovich, A. M. Gedz, I. V. Vikentyev, 
A. B. Kotov and B. M. Gorokhovskii 
p. 59  

Genesis of Manganese Ore Occurrences of 
the Olkhon Terrane the Western Baikal Region
E. V. Sklyarov, A. V. Lavrenchuk, A. E. Starikova, 
V. S. Fedorovsky and E. A. Khromova 
p. 79  

Comparison of the Compositions and Microstructures 
of Terrestrial and Lunar Impact Glasses: 
Samples from the Zhamanshin Crater and 
Luna 16, 20, and 24 Missions
T. A. Gornostaeva, A. V. Mokhov, 
P. M. Kartashov and O. A. Bogatikov 
p. 95