Russian Journal of Pacific Geology

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Mineralogical and geochemical indicators of anoxic sedimentation conditions in local depressions within the Sea of Okhotsk in the late Pleistocene-Holocene
Russian Journal of Pacific Geology - Tập 1 - Trang 203-229 - 2007
A. N. Derkachev, N. A. Nikolaeva, A. V. Mozherovsky, T. N. Grigor’eva, E. D. Ivanova, S. P. Pletnev, N. N. Barinov, V. M. Chubarov
This paper reports specific mineralogical and geochemical characteristics of deposits from the local depressions of the Derugin Basin. They were formed in an environment with periodic changes from oxic to anoxic conditions and show evidence for the presence of hydrogen sulfide in bottom waters. The deposits of this type can be considered as a modern model for ancient ore-bearing black shale associ...... hiện toàn bộ
Transformation of Gravity Anomalies in Large Territories (the Case of the Kuril Island Arc)
Russian Journal of Pacific Geology - Tập 17 - Trang S46-S55 - 2024
A. S. Dolgal, P. N. Novikova, A. V. Pugin, V. A. Rashidov
An algorithm and a program for transformation of gravity anomalies for large territories are presented. They use a spherical shape of the Earth and the geodetic coordinates of measuring points. The calculations employ the “quasi-ellipsoidal” model of V.V. Kavraisky, which allows the transition from the geodetic to the spherical coordinate system with increased accuracy. The algorithm is based on a...... hiện toàn bộ
Paleocene Deposits of the Yamato Rise (Sea of Japan) and Their Formation Conditions
Russian Journal of Pacific Geology - - 2023
E. P. Terekhov, В. С. Маркевич, I. B. Tsoy, Н. Н. Баринов
Orogenic Gold Mineralization of the Adycha Ore Region (East Yakutia, Russia): Geological Setting and Geochemical Features of Gold–Quartz Ores
Russian Journal of Pacific Geology - Tập 13 - Trang 446-463 - 2019
V. V. Aristov, O. B. Ryzhov, A. A. Volfson, N. V. Sidorova, A. V. Kurmayev
The analysis of features of the geological structure of the Adycha gold placer region shows that flat structures of the early collision stage control the setting of the ore fields. The ores are similar to host rocks in the main components, lithofile trace elements, and REEs. The features of the trace-element pattern and indicative ratios agree with the suggested metamorphic origin of the main volu...... hiện toàn bộ
Methane Flows and Gas Hydrates in the Transition Zone Between the Western Slope of the Kuril Basin and Offshore from Sakhalin Island
Russian Journal of Pacific Geology - Tập 14 - Trang 591-600 - 2020
A. I. Obzhirov, Yu. A. Telegin, R. B. Shakirov, A. S. Salomatin, A. N. Derkachev, N. S. Syrbu, N. S. Li, A. L. Ponomareva, A. I. Es’kova
The results of integrated studies in the southwestern part of the Sea of Okhotsk obtained during cruise 74 of the R/V Akademik M.A. Lavrentiev in 2016 are presented. Gas hydrates, carbonate crusts and nodules in bottom sediments and more than 100 gas flares in the water column were recognized. Great attention has been paid to the gas composition of the water column and bottom sediments. Anomalous ...... hiện toàn bộ
The Source Areas of Terrigenous Deposits of the Laoeling–Grodekovo Terrane (Western Primorye): Evidence from Mineralogical and Geochemical Data and the Results of U–Pb Dating of Detrital Zircons
Russian Journal of Pacific Geology - Tập 17 - Trang 419-442 - 2023
A. I. Malinovsky, A. A. Chashchin, V. V. Golozubov
This paper considers the results of the mineralogical and chemical study of sandstones and U–Pb isotope dating of detrital zircons from the Paleozoic–Early Mesozoic deposits of the Laoeling–Grodekovo terrane in western Primorye. It is shown that the sandstones of different age of the terrane differ markedly in their mineralogical and geochemical parameters and, hence, were derived from different s...... hiện toàn bộ
Petrophysical features of the tectonic structures of the Okhotsk continent–ocean transition zone
Russian Journal of Pacific Geology - Tập 10 - Trang 351-364 - 2016
E. G. Ivolga, V. G. Gurovich, N. P. Romanovsky, Yu. O. Manilov
Petrophysical characteristics are determined for the rock complexes of the Okhotsk margin within the continent–ocean transition zone. Petrophysical maps showing the major inhomogeneities of the main tectonic elements of the studied area are constructed. Petrophysical inhomogeneities and the corresponding geophysical field anomalies are compared. A relationship between the magnetic field anomalies ...... hiện toàn bộ
The Fluid Regime of Orogenic Gold Deposit Formation in the Yana-Kolyma Belt
Russian Journal of Pacific Geology - Tập 17 Số 6 - Trang 622-634 - 2023
S. G. Kryazhev, V. Yu. Fridovsky
The Origin and Mechanism of Formation of Hydrocarbon Deposits of the Vietnamese Shelf
Russian Journal of Pacific Geology - Tập 14 - Trang 387-398 - 2020
M. G. Leonov, V. Yu. Kerimov, R. N. Mustaev, Vu Nam Hai
This paper presents the results of studies of the main factors that are responsible for the formation conditions and localization of oil and gas deposits within the Cenozoic sedimentary cover and Pre-Cenozoic granite basement of the Vietnamese shelf. Our structural–tectonic model of the Cuu Long Basin allows the identification of the formation conditions of regional and local structures with hydro...... hiện toàn bộ
Distribution of Gases in Bottom Sediments of the Southwestern Sub-Basin South China Sea (Bien Dong)
Russian Journal of Pacific Geology - - 2021
Le Duc Luong, A. Obzhirov, Nguyễn Hoàng, Р. Б. Шакиров, Le Duc Anh, Н. С. Сырбу, Dang Minh Tuan, Nguyễn Văn Tảo, Tran Thi Huong, Do Huy Cuong, A. O. Kholmogorov, Phan Van Binh, O. V. Mishukova, A. I. Eskova
Tổng số: 512   
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