Contents

Geochemistry International

Vol. 54, No. 10, 2016

A simultaneous English language translation of this journal is available from Pleiades Publishing, Ltd.
Distributed worldwide by Springer. Geochemistry International ISSN 0016-7029.

Diamonds in the Products of the 2012–2013 Tolbachik Eruption (Kamchatka) and Mechanism of Their Formation

E. M. Galimov, G. A. Karpov, V. S. Sevast’yanov, S. N. Shilobreeva and A. P. Maksimov p. 829  abstract

Micro- and Nano-inclusions in a Superdeep Diamond from São Luiz, Brazil

Hiroyuki Kagi, Dmitry A. Zedgenizov, Hiroaki Ohfuji and Hidemi Ishibashi p. 834  abstract

Fundamentals of the Mantle Carbonatite Concept of Diamond Genesis

Yu. A. Litvin, A. V. Spivak and A. V. Kuzyura p. 839  abstract

Indicator Reactions of K and Na Activities in the Upper Mantle: Natural Mineral Assemblages, Experimental Data, and Thermodynamic Modeling

O. G. Safonov and V. G. Butvina p. 858  abstract

Spectral and Structural Properties of Carbon Nanoparticles Synthesized in Natural and Anthropogenic Processes

S. A. Voropaev, V. S. Sevast’yanov, A. Yu. Dnestrovskii, E. A. Ponomareva, N. V. Dushenko, V. M. Shkinev and A. S. Aronin p. 873  abstract

Relationships Between Textural and Photoluminescence Spectral Features of Carbonado (Natural Polycrystalline Diamond) and Implications for its Origin

Hidemi Ishibashi, Hiroyuki Kagi, Shoko Odake, Hiroyuki Ohfuji and Hiroshi Kitawaki p. 882  abstract

The Mineralogy of Ca-Rich Inclusions in Sublithospheric Diamonds

D. A. Zedgenizov, A. L. Ragozin, V. V. Kalinina and H. Kagi p. 890  abstract

Mineralogical and Geochemical Patterns of Mantle Xenoliths from the Jixia Region (Fujian Province, Southeastern China)

G. S. Zhang, A. V. Bobrov, J. S. Long and W. H. Han p. 901  abstract

Interaction of Fe and Fe3C with Hydrogen and Nitrogen at 6–20 GPa: a Study by in Situ X-Ray Diffraction

K. D. Litasov, A. F. Shatskiy and E. Ohtani p. 914  abstract

Manifestation of Nitrogen Interstitials in Synthetic Diamonds Obtained using a Temperature Gradient Technique (Fe–Ni–C System)

Yu. V. Babich, B. N. Feigelson and A. I. Chepurov p. 922  abstract