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Moscow University Bulletin. Series 4. Geology最新文献

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Change in the forms of metals during photochemical oxidation of organo-mineral compounds in swamp and river waters 沼泽和河水中有机矿物化合物光化学氧化过程中金属形态的变化
Moscow University Bulletin. Series 4. Geology Pub Date : 2022-12-15 DOI: 10.33623/0579-9406-2022-4-157-163
A. Aleshina, O. Drozdova, S. A. Lapitskiy
{"title":"Change in the forms of metals during photochemical oxidation of organo-mineral compounds in swamp and river waters","authors":"A. Aleshina, O. Drozdova, S. A. Lapitskiy","doi":"10.33623/0579-9406-2022-4-157-163","DOIUrl":"https://doi.org/10.33623/0579-9406-2022-4-157-163","url":null,"abstract":"The interaction of organic matter with metal ions plays a key role in the migration of metals in aquatic ecosystems, the formation of natural water quality, toxicity and bioavailability of metals. Sunlight irradiation of swamp and river waters transforms dissolved organic matter, degrading it to low molecular weight compounds up to mineralization and simultaneously coagulating compounds >0.22 μm. As a result of the reduction and subsequent oxidation of Fe, as well as changes in its bond with organic matter, the formation of hydroxides of Fe(III) occurs. These hydroxides can form large, stabilized by organic ligands organo-mineral compounds >0.22 μm, with which Mn, Co, Cd can co-precipitate.","PeriodicalId":253271,"journal":{"name":"Moscow University Bulletin. Series 4. Geology","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114556377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Petrophysical modeling of rocks dominik formation as the basis of interpretation of seismic data 岩石构造的岩石物理模拟是地震资料解释的基础
Moscow University Bulletin. Series 4. Geology Pub Date : 2022-12-15 DOI: 10.33623/0579-9406-2022-4-149-156
V. Okunevich, I. Bayuk
{"title":"Petrophysical modeling of rocks dominik formation as the basis of interpretation of seismic data","authors":"V. Okunevich, I. Bayuk","doi":"10.33623/0579-9406-2022-4-149-156","DOIUrl":"https://doi.org/10.33623/0579-9406-2022-4-149-156","url":null,"abstract":"The paper is devoted to theoretical modeling of effective elastic properties of rock samples of domanik deposits. To determine the effective elastic properties of rocks, depending on their composition and morphological characteristics, the methods of effective medium theory were used. The aim of the work was to determine the parameters characterizing the microstructure of the investigated rock samples; creation of a seismic-geological model and calculation of reflection coefficients for it. The main attention in the work is paid to the influence of the content of kerogen and the degree of its maturity (porosity) on the measured physical quantities (velocities of elastic waves, reflection coefficients).","PeriodicalId":253271,"journal":{"name":"Moscow University Bulletin. Series 4. Geology","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134148440","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The role of Triassic source rocks in the formation of oil accumulation in the Fukang Depression (China) 阜康坳陷三叠系烃源岩在成藏中的作用
Moscow University Bulletin. Series 4. Geology Pub Date : 2022-12-15 DOI: 10.33623/0579-9406-2022-3-17-25
H. Yang, E. Soboleva
{"title":"The role of Triassic source rocks in the formation of oil accumulation in the Fukang Depression (China)","authors":"H. Yang, E. Soboleva","doi":"10.33623/0579-9406-2022-3-17-25","DOIUrl":"https://doi.org/10.33623/0579-9406-2022-3-17-25","url":null,"abstract":"This article presents the results of geological and geochemical studies of the organic matter of source rocks and oil from reservoirs in the Karamay Formation (Anizian–Ladinian stages) in the eastern part of the Fukang Depression in Junggar petroleum basin. The quantity, quality, and degree of maturity of the organic matter in clayey mudstones in upper part of the Karamay Formation (T2k) were considered and the composition of the original organic matter, the conditions of its accumulation and the degree of maturity were reconstructed using pyrolytic parameters and biomarkers. The dark gray and gray mudstone in upper part of the Karamay Formation accumulated in fresh or low salinity lakes with relatively reducing conditions. At present, the organic matter of the Formation within the depression is in the zone of mesocatagenesis MK1–MK3, and therefore has not fully realized its oil-geological potential. It has been previously established that mudstones in upper part of the Karamay Formation provided the hydrocarbon fl uids for the Karamay reservoirs located in the submerged part of the Fukang Depression.","PeriodicalId":253271,"journal":{"name":"Moscow University Bulletin. Series 4. Geology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131796820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the possibility of preserving relic hydrates below the stability zone in the low-permeability layers of the berezovskaya formation of the north of Western Siberia 西西伯利亚北部别列佐夫斯卡亚组低渗透地层稳定带以下遗留水合物保存的可能性
Moscow University Bulletin. Series 4. Geology Pub Date : 2022-12-15 DOI: 10.33623/0579-9406-2022-3-37-44
S. E. Ershov, S. V. Nersesov, R. A. Sokolovsky, A. Doroshenko, A. Ershov, Y. O. Karymova
{"title":"On the possibility of preserving relic hydrates below the stability zone in the low-permeability layers of the berezovskaya formation of the north of Western Siberia","authors":"S. E. Ershov, S. V. Nersesov, R. A. Sokolovsky, A. Doroshenko, A. Ershov, Y. O. Karymova","doi":"10.33623/0579-9406-2022-3-37-44","DOIUrl":"https://doi.org/10.33623/0579-9406-2022-3-37-44","url":null,"abstract":"A possible mechanism for preserving relic hydrates in low-permeable deposits of the berezovskaya formation of the Medvezhye fi eld at a reservoir temperature exceeding the equilibrium temperature of their dissociation is considered.","PeriodicalId":253271,"journal":{"name":"Moscow University Bulletin. Series 4. Geology","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130280126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Regularities of distribution of particulation types of modern bottom sediments and organic carbon by depth in the western part of the Barents sea 巴伦支海西部现代海底沉积物颗粒类型及有机碳的深度分布规律
Moscow University Bulletin. Series 4. Geology Pub Date : 2022-12-15 DOI: 10.33623/0579-9406-2022-4-51-61
K. V. Syromyatnikov, R. Gabdullin
{"title":"Regularities of distribution of particulation types of modern bottom sediments and organic carbon by depth in the western part of the Barents sea","authors":"K. V. Syromyatnikov, R. Gabdullin","doi":"10.33623/0579-9406-2022-4-51-61","DOIUrl":"https://doi.org/10.33623/0579-9406-2022-4-51-61","url":null,"abstract":"In this article, the possibilities of statistical analysis methods were demonstrated on the example of studying modern bottom sediments in the western part of the Barents Sea. As a result of cluster and dispersion analyses, regularities in the distribution of granulometric types of modern bottom sediments and organic carbon dissolved in them with depth within the sublittoral and bathyal zones of the sea were established. Based on the results obtained, it was concluded that the size distribution of sediments was due to the mechanical differentiation of sedimentary material as it was transported by sea currents, as well as the distance from the main sources of drift — Novaya Zemlya, the Kola Peninsula and Svalbard. At the same time, the accumulation of organic carbon in bottom sediments was associated with the peculiarities of the distribution of communities of marine organisms within the considered facies zones. The high content of organic carbon in the bathyal zone of the sea was associated with an increase in primary productivity here, as well as with the transfer by sea currents of the accumulated biogenic material of the littoral and sublittoral zones towards the bathyal.","PeriodicalId":253271,"journal":{"name":"Moscow University Bulletin. Series 4. Geology","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130981261","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bound water of the rock samples of the Bazhenov formation before and after extraction 提取前后巴治诺夫组岩样的结合水
Moscow University Bulletin. Series 4. Geology Pub Date : 2022-12-15 DOI: 10.33623/0579-9406-2022-1-71-78
I. Rodkina, E. A. Kazak
{"title":"Bound water of the rock samples of the Bazhenov formation before and after extraction","authors":"I. Rodkina, E. A. Kazak","doi":"10.33623/0579-9406-2022-1-71-78","DOIUrl":"https://doi.org/10.33623/0579-9406-2022-1-71-78","url":null,"abstract":"The first results of determination of the content of different types of bound water by hygrometric method — adsorption isotherm method — for extracted rock samples of Bazhenov formation are presented. All obtained water sorption isotherms have a well-defined S-shape, which allows to determine the maximum possible amount of bound water of different types (mono -, poly-and capillary condensation) in all studied samples. The inflection points of the isotherms of the extracted samples fully correspond to the inflection points of the isotherms of the native samples. Based on the obtained results, it is possible to further estimate the specific surface area of the samples, and then determine the hydrophobicity coefficient and the parameters of the associated oil saturation.","PeriodicalId":253271,"journal":{"name":"Moscow University Bulletin. Series 4. Geology","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115915615","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Paleomagnetism of Tarkhanian sediments of the section Skelya (Kerch Peninsula) Skelya (Kerch半岛)剖面Tarkhanian沉积物的古地磁特征
Moscow University Bulletin. Series 4. Geology Pub Date : 2022-12-15 DOI: 10.33623/0579-9406-2022-4-62-76
O. Pilipenko, Y. Rostovtseva, N. Salnaia
{"title":"Paleomagnetism of Tarkhanian sediments of the section Skelya (Kerch Peninsula)","authors":"O. Pilipenko, Y. Rostovtseva, N. Salnaia","doi":"10.33623/0579-9406-2022-4-62-76","DOIUrl":"https://doi.org/10.33623/0579-9406-2022-4-62-76","url":null,"abstract":"With the goal to correlate the magnetostratigraphic data of the Eastern Paratethys obtained by researchers in different years a rockmagnetic and paleomagnetic investigations of the Tarkhanian sediments of the Skelya section was carried out. The main carrier of the natural remanent magnetization is titanomagnetite in the Argunian beds of the Tarkhanian regional stage; in addition to titanomagnetite there is iron sulfide (monoclinic pyrrhotite and/or greigite) in the deposits of the Terskian and Kuvinian beds. The paleomagnetic fold test of natural remanent magnetization directions, recorded in the rocks of the Argunian beds, is positive, which indicates a pre-folding age of the magnetization formation. A comparison with the magnetochronological scale GTS 2020 shows that the normal polarity interval in the lower part of the Argunian beds can presumably be compared with the С5Bn chron. The reversal polarity interval in the upper part of the Argunian beds is with C5ADr. The age of the С5Bn/C5ADr boundary can be estimated as ~14.7 Ma.","PeriodicalId":253271,"journal":{"name":"Moscow University Bulletin. Series 4. Geology","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125782369","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Zircon Isotope Dating of the Jurassic Basalts from the Ghoithsk Volcanic Area of the Western Greater Caucasus (Russia) 俄罗斯大高加索西部Ghoithsk火山区侏罗系玄武岩的锆石同位素定年
Moscow University Bulletin. Series 4. Geology Pub Date : 2022-12-15 DOI: 10.33623/0579-9406-2022-1-35-41
V. Gerasimov, A. A. Uliyanov, V. A. Snezhko, J. Mosar, V. A. Lavrishev, V. Gazeev, A. Gurbanov
{"title":"The Zircon Isotope Dating of the Jurassic Basalts from the Ghoithsk Volcanic Area of the Western Greater Caucasus (Russia)","authors":"V. Gerasimov, A. A. Uliyanov, V. A. Snezhko, J. Mosar, V. A. Lavrishev, V. Gazeev, A. Gurbanov","doi":"10.33623/0579-9406-2022-1-35-41","DOIUrl":"https://doi.org/10.33623/0579-9406-2022-1-35-41","url":null,"abstract":"The paper presents the results of the U-Th-Pb isotope system study of the accessory zircon from the basalts of the Ghoithsk volcanic region (GVO) of the Western Caucasus. The sample for isotope dating was taken from basalt porphyrites of the Chataltapa volcanic complex, in the Tuapse River basin. It was shown by using of the ion microprobe isotope dating method of the zircon, that the effusion of basalts of the Chataltapa volcanic complex of the GVO occurred in the Jurassic at the boundary of the Aalenian and Bajocian age (169 Ma), during the tectonic transformation of the Greater Caucasus riftogenic basin. A low Th/U ratio was obtained for zircons from basalts, which is more typical for rocks of acidic composition. This fact indirectly confirms that the evolution of the Jurassic rift magmatism in the Caucasus occurred due to the assimilation of the continental type crust.","PeriodicalId":253271,"journal":{"name":"Moscow University Bulletin. Series 4. Geology","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134258820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Quality of fresh groundwater of the Crimean Mountains (the Bodrak River Basin) 克里米亚山脉(博德拉克河流域)新鲜地下水的质量
Moscow University Bulletin. Series 4. Geology Pub Date : 2022-12-15 DOI: 10.33623/0579-9406-2022-1-79-88
E. Kayukova, E. Filimonova
{"title":"Quality of fresh groundwater of the Crimean Mountains (the Bodrak River Basin)","authors":"E. Kayukova, E. Filimonova","doi":"10.33623/0579-9406-2022-1-79-88","DOIUrl":"https://doi.org/10.33623/0579-9406-2022-1-79-88","url":null,"abstract":"The quality of fresh groundwater in the foothills of the Crimea, including that used for the water supply of the Crimean base of St. Petersburg State University and the Crimean educational and scientific center of Lomonosov Moscow State University, is considered. The results of longterm monitoring of the chemical composition of fresh water used for drinking purposes are presented and priority pollutants are identified. Hydrochemical modeling was carried out to calculate transport forms of chemical elements and subsequent assessment of their toxicity. The study area is located in the area of active water exchange, so in the groundwater most of the chemical elements are contained in concentrations below the level of biologically significant.","PeriodicalId":253271,"journal":{"name":"Moscow University Bulletin. Series 4. Geology","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124938454","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Lithogeochemical features and formation environment of the Late Jurassic–Early Creaceous tuff-terrigenous rocks of Ust-Belsky Mountains (North-west of Koryak highlands) 乌斯特-贝尔斯基山脉晚侏罗世-早白垩世凝灰岩-陆源岩的岩石地球化学特征及形成环境
Moscow University Bulletin. Series 4. Geology Pub Date : 2022-01-29 DOI: 10.33623/0579-9406-2021-6-30-39
M. Y. Gushchina
{"title":"Lithogeochemical features and formation environment of the Late Jurassic–Early Creaceous tuff-terrigenous rocks of Ust-Belsky Mountains (North-west of Koryak highlands)","authors":"M. Y. Gushchina","doi":"10.33623/0579-9406-2021-6-30-39","DOIUrl":"https://doi.org/10.33623/0579-9406-2021-6-30-39","url":null,"abstract":"The paper presents the results of studying the lithochemical features of the Late Jurassic-Early Cretaceous tuff-terrigenous rocks of the Ust-Belsky and Algan terranes. Tuff-terrigenous rocks represented by medium-fine-pelitic-grained quartz-feldspar and feldspar greywackes. According to the results, they were formed due to the erosion of intermediate and basic composition volcanic formations, in the marine environment, near the coast. The main source was associated with the island arc in the northwest of the region. Tuff-terrigenous rocks of Ust-Belsky terrane formed in different parts of the forearc basin. Tuff-terrigenous rocks of Algan terrane formed in the trenchslope basin.","PeriodicalId":253271,"journal":{"name":"Moscow University Bulletin. Series 4. Geology","volume":"422 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116688509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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