Russian Journal of Pacific Geology

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The Petrophysical Characteristics of Tectonic Structures in the Western Okhotsk Region
Russian Journal of Pacific Geology - Tập 16 - Trang 349-368 - 2022
E. G. Ivolga, V. G. Gurovich, Yu. F. Manilov
The physical properties of rocks from the western Okhotsk region were studied and petrophysical maps were constructed to highlight the petrophysical features of tectonic elements of the territory. Petrophysical heterogeneities and anomalies of the respective geophysical fields were compared. The relationship between magnetic anomalies and subsurface rock complexes has been established only for the...... hiện toàn bộ
Geoelectrical Characteristics of Gold-Ore Deposits of the Upper Priamurye Region
Russian Journal of Pacific Geology - Tập 13 - Trang 464-478 - 2019
M. Yu. Nosyrev
The results of measurements of the electrical properties of rocks and induced polarization surveying are analyzed for three gold-ore deposits including the Bamskoe, Berezitovoe, and Pokrovka in the Upper Priamurye region. The spatial correlation is shown between mineralization zones and contrasting resistivity boundaries mapped within the gold-ore fields. The assumption is validated that the block...... hiện toàn bộ
Tectonic model of seismicity for the northeastern segment of the Amur Plate in the Earth’s two-phased rotation
Russian Journal of Pacific Geology - Tập 10 - Trang 427-434 - 2016
S. V. Trofimenko
The spatial distribution of the epicenters and hypocenters is analyzed for earthquakes of 2 ≤ M < 6 that occurred in the northeastern segment of the Amur Plate in two phases of changes in the angular speed of the Earth’s rotation. Groups of seismic events in the magnitude interval of 5 ≤ M < 6 are distinguished in the form of NE-trending seismic clusters regularly alternating along the plane of la...... hiện toàn bộ
Geochemistry of the thermal waters of Sikhote Alin
Russian Journal of Pacific Geology - - 2008
Oleg Chudaev, V. A. Chudaeva, I.V. Bragin
The Problems of Seismic Risk Prediction for the Territory of the Lower Amur Region: Paleoseismogeological and Seismological Analysis
Russian Journal of Pacific Geology - Tập 12 - Trang 135-150 - 2018
A. N. Ovsyuchenko, S. V. Trofimenko, S. S. Novikov, A. N. Didenko, V. S. Imaev
The studied region is located at the junction between the Pacific and Central Asian seismoactive belts. Macroseismic data on earthquakes of this region are available for the last 150 years, while instrumental seismological observations began in the mid-20th century; however, the recurrence interval of strong earthquakes can be up to several centuries and even thousands of years. In this respect, m...... hiện toàn bộ
Fluid pressure and hydraulic fracturing in hydrothermal ore formation at gold deposits
Russian Journal of Pacific Geology - Tập 1 - Trang 276-289 - 2007
N. S. Ostapenko, O. N. Neroda
The active role of fluids in the formation of ore-localizing structures expressed in dilatancy and hydraulic fracturing is suggested from the results of detailed comprehensive study of the Tokur gold deposit in the Upper Amur region, Russia, and the surveying of the published data on fluid pressure that characterizes formation of other hydrothermal deposits different in depth, morphology of orebod...... hiện toàn bộ
The Fractal Geometry of the River Network and Neotectonics of South Sikhote-Alin
Russian Journal of Pacific Geology - Tập 14 - Trang 526-541 - 2020
V. S. Zakharov, D. A. Simonov, G. Z. Gilmanova, A. N. Didenko
The proposed complex Parameter of River Network Self-similarity (PRNS), which is a combination of the exponents in the equations for distribution of channel lengths, the fractal dimension of channels, and the fractal dimension of points of change of the order of the channel, matches neotectonic movements more accurately. A comprehensive analysis of the self-similarity of the southern Sikhote-Alin ...... hiện toàn bộ
A comparative analysis of the seismic and density models for the Earth’s Crust of the Central Kurils
Russian Journal of Pacific Geology - Tập 9 - Trang 439-450 - 2015
R. G. Kulinich, M. G. Valitov, Z. N. Proshkina
The seismic and density models for the Earth’s crust of the central region of the Kuril Island arc are compared. The seismic data are based on the results of deep seismic soundings that were performed here in the 1980s. The density models were constructed by using marine and satellite gravimetric data obtained in recent years. Comparison of the seismic and density models reveals their overall cons...... hiện toàn bộ
Potassic specifics of basalts from the Sinii Utes Depression: Geochemical correlations and problems of K-Ar dating (Southern Primorye region)
Russian Journal of Pacific Geology - Tập 3 - Trang 374-387 - 2009
N. S. Brandt, S. V. Rasskazov, V. K. Popov, S. B. Brandt
New data are reported on the structure of the sections, the geochemical composition, and the age of the volcano-sedimentary and volcanic rocks from the Sinii Utes Depression in the southern Primorye region. The Sinii Utes Depression is filled with two sequences: the lower sequence composed of sedimentary-volcanogenic coaliferous rocks (the stratotype of the Sinii Utes Formation) and the upper sequ...... hiện toàn bộ
Geochronometry of the Middle Paleozoic volcanics of the Omolon Massif in Northeast Asia: A comparison of the K-Ar, Rb-Sr, and U-Pb data and their geological interpretation
Russian Journal of Pacific Geology - Tập 5 - Trang 181-198 - 2011
A. M. Gagieva, I. L. Zhulanova
The results of the K-Ar, Rb-Sr, and U-Pb (SHRIMP zircon method) dating of the Middle Paleozoic volcanogenic rocks of the Omolon Massif are summarized. It was concluded that they are principally consistent with each other, as well as with the geological data. The formation of the Kedon Group, which makes up the main volume of the Middle Paleozoic volcanics, began at the Early-Middle Devonian bounda...... hiện toàn bộ
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