Contents

Geology of Ore Deposits

Vol. 63, No. 3, 2021

Crustal Source of Pb and S at the Yubileynoe Porphyry Gold Deposit (Southern Urals, Kazakhstan): High Precision Pb–Pb and δ34S Data

A. V. Chugaev, O. Yu. Plotinskaya, E. O. Dubinina, A. S. Sadasyuk, B. I. Gareev, S. A. Kossova and G. A. Batalin p. 173  abstract

Golʼtsovoe Ag–Pb–Zn Deposit (Northeastern Russia): Geological Setting, Mineralogy, Geochemistry, and Ore Formation Conditions

N. E. Savva, A. V. Volkov, N. G. Lyubimtseva, V. Yu. Prokofiev, A. A. Sidorov, K. Yu. Murashov and N. V. Sidorova p. 185  abstract

The Khovu-Aksy Cobalt-Arsenide Deposit, Republic of Tuva, Russia: New Perspectives on the Problems of Production and Renewal of Processing

V. I. Lebedev p. 212  abstract

Distribution of Moderately and High-Siderophile Elements in Sulfides as a Basis for Reconstructing the Evolution of the Archean Harzburgite of the Bug Complex, Ukrainian Shield

S. B. Lobach-Zhuchenko, M. O. Anosova, A. V. Yurchenko and O. L. Galankina p. 239  abstract

Evolution of the Kara Ore-Magmatic System (Eastern Transbaikalia, Russia): Experience in Applying Small-Scale Geochemical Survey

S. V. Efremov, A. M. Spiridonov, N. A. Goryachev and A. E. Budyak p. 257  abstract

Geostatistical Modelling and Vertical Effect Analysis of a Ferruginous East Coast Bauxite Deposit, India

Girija S. Behera and Bhabesh C. Sarkar p. 269  abstract