Contents

Geochemistry International

Vol. 64, No. 7, 2026

Sr–Nd Isotopic Composition of the Guli Massif. Relationship between the Size of Alkaline-Carbonatite Intrusions and Their Isotopic Heterogeneity

A. R. Tskhovrebova, Yu. A. Kostitsyn, and I. T. Rass p. 523  abstract

Petrogenesis of Jingxia Diabase Dykes, Eastern Tianshan Orogenic Belt and Its Geological Implication

Xinfa Li, Jiukai Zhang, Hongyu Zhao, Yonggang Sun, Jianyu Wan, Botao Zhang, and Zhiyuan Sun p. 538  abstract

Petrogenesis and Tectonic Implications of Late Triassic Monzogabbros in the Western Gangdese Belt: Constraints from Mineralogy and Geochemistry

J. Q. Lin, B. Yang, X. Y. Hu, and Y. P. Pan p. 553  abstract

Formation of C15 Sesquiterpanes as a Result of Thermolysis of Asphaltenes, Resins, and Acids from Weakly Transformed Oil of the Anastasievsko-Troitskoe Field (Horizon IV)

O. A. Stokolos and G. N. Gordadze p. 573  abstract

Nonspecific Organic Compounds and Their Role in the Formation of Organic Matter in Bottom Sediments and Soils from the Catchment Areas of Streams in Voronezh Heights (Khabarovsk)

L. A. Garetova, N. K. Fisher, and E. L. Imranova p. 578  abstract

Heavy Metals and Arsenic in the Bottom Sediments of the Kaliningrad Region’s Water Areas Subjected to Anthropogenic Impact

E. A. Arkhipov, S. I. Zotov, and Yu. V. Koroleva p. 592  abstract

Erratum

Erratum to: Priority Polycyclic Aromatic Hydrocarbons in the Bottom Sediments of Freshwater Ecosystems: Levels, Sources, Behavior and Standardization (a Review)

E. Yu. Konstantinova, T. M. Minkina, and N. S. Kasimov p. 602  abstract

Erratum to: Geochemistry and Sr, Nd, and Pb Isotopic Composition of Early Cretaceous Volcanic Rocks of the Mendeleev Rise, Arctic Ocean

S. G. Skolotnev, G. V. Ledneva, O. I. Okina, Yu. O. Larionova, and A. V. Korniychuk p. 603  abstract