.... 1. Schematic of the study area. 1 , location of diatomites; 2 , state border. The thickness of the Puzanov diatomite deposit is about 10 m. It is exposed at a 70-meter coastal cliff about 50 m above sea level near Cape Puzanov. The apparent length of the diatomite lens is 50 m...

...) Genetic type of the SeJigdar apatite deposit (Centra) Aldan). Akad. Nauk. SSSR, DokL, v. 243 (1), pp. 179·182 (in Russian). PUZANOV, L. S., PETRASEVSKIY, A. "snd KASHINTSEVA YE,N. (1978) On two varieties of hightemperature anhydrite at the Seligdar apatite deposit. Akad. Nauk. SSSR, Dokl., v. 242 (5), pp...

.... 75 , 1986 . [7] A I. Burago , in: Genesis of endogenous mineralization in the Far East [in Russian] , Vladivostok , p. 57 , 1978 . [8] A A Puzanov and B. I. Suganov , in: Geochemical methods in search for and evaluation of ore deposits [in Russian] , Novosibirsk , p...

.... There are many classifications and typological characteristics of organic deposits. The following scientific monographs and papers are of a particular interest among numerous recent publications on the formation conditions, location tendencies and chemical properties of organic-mineral deposits: ( Lopotko...

... are the crucial problems in chemistry and ecogeochemistry of heavy metals. Soils are not only a medium depositing mercury and its compounds but also their source for other components of ecosystems, including natural waters and plants, which determines their spreading throughout trophic chains ( Anoshin, 2000...

..., formation of significant strata of lacustrine organogenic deposits (sapropels) ( Korde, 1960 , 1968 ; Leonova and Bobrov, 2012 ; Leonova et al., 2015 ). In sapropels enriched with organic matter of small lakes, diagenetic transformation is extended to almost the entire depth of multimeter sedimentary...