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Modeling Mantle Magma Transport within the Northern Margin of the Siberian Platform at the Permian–Triassic Boundary 二叠纪-三叠纪边界西伯利亚地台北缘地幔岩浆运移模拟
IF 1 4区 地球科学
Petrology Pub Date : 2026-07-22 DOI: 10.1134/S0869591126700177
O. P. Polyansky, A. N. Semenov, O. V. Koroleva, Yu. F. Filippov, A. V. Prokopiev
{"title":"Modeling Mantle Magma Transport within the Northern Margin of the Siberian Platform at the Permian–Triassic Boundary","authors":"O. P. Polyansky,&nbsp;A. N. Semenov,&nbsp;O. V. Koroleva,&nbsp;Yu. F. Filippov,&nbsp;A. V. Prokopiev","doi":"10.1134/S0869591126700177","DOIUrl":"10.1134/S0869591126700177","url":null,"abstract":"<p>This paper presents a comprehensive study of basalts and dolerites from the northern margin of the Siberian Platform within the Yenisei–Khatanga and Lena–Anabar basins to establish their relationship with the Siberian traps large igneous province (Siberian LIP). Based on geochemical data obtained from borehole core samples, three types of mafic rocks characteristic of the Siberian LIP were identified. Numerical modeling results demonstrated the possibility of horizontal magma transport over distances up to 800 km from the inferred center of plume activity. Anomalously high basin subsidence rates (up to 4.8 km/Ma) and elevated paleoheat flow values (up to 80–100 mW/m<sup>2</sup>) during Permian–Triassic magmatism were reconstructed. The data obtained expand our understanding of the spatiotemporal evolution of the Siberian LIP and the mechanisms of mantle plume interactions with the lithosphere.</p>","PeriodicalId":20026,"journal":{"name":"Petrology","volume":"34 4","pages":"412 - 414"},"PeriodicalIF":1.0,"publicationDate":"2026-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148532404","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rare-Earth Elements in Rocks and Accessory Minerals of the Alkaline-Ultrabasic Series of the Kola Province 科拉省碱性-超基性系列岩石及其副矿物中的稀土元素
IF 1 4区 地球科学
Petrology Pub Date : 2026-07-22 DOI: 10.1134/S0869591126700347
V. S. Stativko, A. A. Arzamastsev, V. V. Bortnikov
{"title":"Rare-Earth Elements in Rocks and Accessory Minerals of the Alkaline-Ultrabasic Series of the Kola Province","authors":"V. S. Stativko,&nbsp;A. A. Arzamastsev,&nbsp;V. V. Bortnikov","doi":"10.1134/S0869591126700347","DOIUrl":"10.1134/S0869591126700347","url":null,"abstract":"<p>The distribution of rare earth elements (REE) in accessory minerals and rocks of the Kola Province was studied. Perovskite and apatite are common accessory minerals for melts of the alkaline-ultramafic series. The REE content in the perovskite is an order of magnitude higher than in apatite. Therefore, perovskite is the main concentrator of REEs (particularly LREE) for the olivinite–ijolite series, which may be of particular economic interest. Apatite is a potential source of rare earth elements (especially LREE) for derivatives formed during the late stages of the evolution of silicate alkaline-ultramafic melt.</p>","PeriodicalId":20026,"journal":{"name":"Petrology","volume":"34 4","pages":"435 - 438"},"PeriodicalIF":1.0,"publicationDate":"2026-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148532419","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Problem of Phoscorite Petrogenesis on the Example of Arbarastakh and Gornoye Ozero Massifs (Republic of Sakha, Yakutia) 以雅库特萨哈共和国Arbarastakh和Gornoye Ozero地块为例的磷长石成因问题
IF 1 4区 地球科学
Petrology Pub Date : 2026-07-22 DOI: 10.1134/S0869591126700207
M. N. Kruk, A. G. Doroshkevich, I. A. Izbrodin, I. R. Prokopyev, E. A. Zubakova
{"title":"The Problem of Phoscorite Petrogenesis on the Example of Arbarastakh and Gornoye Ozero Massifs (Republic of Sakha, Yakutia)","authors":"M. N. Kruk,&nbsp;A. G. Doroshkevich,&nbsp;I. A. Izbrodin,&nbsp;I. R. Prokopyev,&nbsp;E. A. Zubakova","doi":"10.1134/S0869591126700207","DOIUrl":"10.1134/S0869591126700207","url":null,"abstract":"<div><p>The paper considers the problem of petrogenesis of phoscorites and related carbonatites using the example of the Arbarastakh and Gornoye Ozero massifs (Republic of Sakha, Russia). The petrographic and mineralogical studies showed that phoscorites can have different genesis – both magmatic and metasomatic. Different genesis results in the different distribution of minerals responsible for the ore potential of phoscorites.</p></div>","PeriodicalId":20026,"journal":{"name":"Petrology","volume":"34 4","pages":"420 - 421"},"PeriodicalIF":1.0,"publicationDate":"2026-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148532421","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Slyudyanka Crystalline Complex: From Ordovician Granulite-Facies Metamorphism to Late Cenozoic Exhumation 柳柳延卡结晶杂岩：从奥陶系麻粒岩相变质作用到晚新生代发掘
IF 1 4区 地球科学
Petrology Pub Date : 2026-07-22 DOI: 10.1134/S086959112670013X
A. V. Ivanov, E. A. Gladkochub, L. P. Kasatkina, L. Z. Reznitskii, E. I. Demonterova, N. V. Bryansky, A. A. Karimov, A. S. Maltsev, K. G. Erofeeva, A. S. Dubensky, S. V. Malyshev
{"title":"Slyudyanka Crystalline Complex: From Ordovician Granulite-Facies Metamorphism to Late Cenozoic Exhumation","authors":"A. V. Ivanov,&nbsp;E. A. Gladkochub,&nbsp;L. P. Kasatkina,&nbsp;L. Z. Reznitskii,&nbsp;E. I. Demonterova,&nbsp;N. V. Bryansky,&nbsp;A. A. Karimov,&nbsp;A. S. Maltsev,&nbsp;K. G. Erofeeva,&nbsp;A. S. Dubensky,&nbsp;S. V. Malyshev","doi":"10.1134/S086959112670013X","DOIUrl":"10.1134/S086959112670013X","url":null,"abstract":"<p>The paper presents the reconstructed thermal history of the Slyudyanka crystalline complex, southern margin of the Siberian Craton, from the Late Ordovician to the Cenozoic. The reconstructions were done by using medium- and low-temperature thermochronology methods. The cooling stages of the rocks from the peak temperatures of granulite-facies metamorphism (~800°C in the Ordovician) to their exhumation to the surface in the Cenozoic, associated with the Baikal rifting, have been reconstructed.</p>","PeriodicalId":20026,"journal":{"name":"Petrology","volume":"34 4","pages":"400 - 402"},"PeriodicalIF":1.0,"publicationDate":"2026-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148532380","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Weathering Crust of Kimberlite Rocks: Petrological Types, Zoning, and Formation Processes 金伯利岩风化壳：岩石学类型、分带和形成过程
IF 1 4区 地球科学
Petrology Pub Date : 2026-07-22 DOI: 10.1134/S0869591126700219
S. M. Sablukov, L. I. Sablukova
{"title":"Weathering Crust of Kimberlite Rocks: Petrological Types, Zoning, and Formation Processes","authors":"S. M. Sablukov,&nbsp;L. I. Sablukova","doi":"10.1134/S0869591126700219","DOIUrl":"10.1134/S0869591126700219","url":null,"abstract":"<p>The first comprehensive study of a kimberlite weathering crust was carried out, and the vertical and lateral zonation of the crust was determined. Two types of weathering crusts on kimberlites were identified, with a complete change in the mineral and chemical composition of the original rock: (1) crusts with the preservation of the original volume, structures, and textures of the rock and (2) those with a sharp decrease in the original volume of the rock and its newly formed textures of crushing and foliation. The composition of the weathering crust is controlled by the petrographic composition of the original rocks and the intensity of the effects of magmatic, metasomatic, metamorphic, and sedimentary processes.</p>","PeriodicalId":20026,"journal":{"name":"Petrology","volume":"34 4","pages":"426 - 428"},"PeriodicalIF":1.0,"publicationDate":"2026-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148532381","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Building Metamorphic Maps or Schemes with Regard to Results of Thermodynamic Modeling of Mineral Assemblages 根据矿物组合的热力学模拟结果建立变质图或方案
IF 1 4区 地球科学
Petrology Pub Date : 2026-07-22 DOI: 10.1134/S0869591126700293
Sh. K. Baltybayev, Ye. B. Borisova, G. A. Petrov
{"title":"Building Metamorphic Maps or Schemes with Regard to Results of Thermodynamic Modeling of Mineral Assemblages","authors":"Sh. K. Baltybayev,&nbsp;Ye. B. Borisova,&nbsp;G. A. Petrov","doi":"10.1134/S0869591126700293","DOIUrl":"10.1134/S0869591126700293","url":null,"abstract":"<p>An approach to constructing metamorphic maps and schemes is considered, whose key element is the integration of traditional geological methods with results of thermodynamic modeling of mineral assemblages. Traditionally applied mapping methods, based on field studies, often lead to ambiguous interpretations. The use of modern software packages for thermodynamic modeling helps in elucidating and avoiding these discrepancies by making it possible to verify and refine metamorphic zone boundaries and to solve problems of stratigraphic and lithological correlation for metamorphosed sequences. A combination of traditional mapping and numerical modeling enhances the reliability and plausibility of the results, ensuring a more accurate geodynamic and petrological interpretation of geological data.</p>","PeriodicalId":20026,"journal":{"name":"Petrology","volume":"34 4","pages":"450 - 452"},"PeriodicalIF":1.0,"publicationDate":"2026-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148532365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Main Stages of the Proterozoic Mafic Magmatism in the Southern Siberian Craton: Progress in the Study for the Period of 2010–2025 南西伯利亚克拉通元古代基性岩浆活动的主要阶段：2010-2025年研究进展
IF 1 4区 地球科学
Petrology Pub Date : 2026-07-22 DOI: 10.1134/S0869591126700311
D. P. Gladkochub, T. V. Donskaya
{"title":"Main Stages of the Proterozoic Mafic Magmatism in the Southern Siberian Craton: Progress in the Study for the Period of 2010–2025","authors":"D. P. Gladkochub,&nbsp;T. V. Donskaya","doi":"10.1134/S0869591126700311","DOIUrl":"10.1134/S0869591126700311","url":null,"abstract":"<p>The age data on Precambrian dolerites of dyke swarms of the southern flank of the Siberian craton published after 2010, were analyzed. It is shown that post-collisional mafic magmatism with an age of 1880–1840 Ma is developed in all basement salients of the south of the craton and records the final stage of its structural formation. The dolerite dykes with an age of about 1750 Ma were discovered within the Baikal salient of the basement and belong to the Timpton Large Igneous Province. Rifting-related dolerite dykes with an age of 1640–1615 Ma are described in the Biryusa block. In the south of the craton, rare Mesoproterozoic dolerites with ages 1350–1338, 1260, and about 1000 Ma formed in an intraplate extension setting were found. The “Franklinˮ ages (about 720 Ma) were obtained for dolerites from dyke swarms of the Sayan–Baikal dyke belt, marking the early stages of rifting that led to the breakup of the Rodinia supercontinent. A dozen of new ages (from 640 to 615 Ma) has been reported for alkaline–ultramafic and mafic rocks, which were intruded at the final stages of the Late Precambrian extension event within the southern margin of the Siberian craton. The obvious progress in the study of Precambrian mafic magmatism in the south of the Siberian craton has been achieved in recent years. Based on the larger number and the better quality of isotope dates, the main events of the emplacement of Proterozoic mafic dykes were recognized and geodynamic settings of their formation was proposed.</p>","PeriodicalId":20026,"journal":{"name":"Petrology","volume":"34 4","pages":"456 - 457"},"PeriodicalIF":1.0,"publicationDate":"2026-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148532366","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Origins of Rapakivi Granites and Associating Gold Mineralization in Active Continental Margin Complexes of the Southwestern and Southeastern Margins of the Siberian Craton 西伯利亚克拉通西南、东南边缘活动大陆边缘杂岩中拉帕基花岗岩成因与伴生金矿化
IF 1 4区 地球科学
Petrology Pub Date : 2026-07-22 DOI: 10.1134/S0869591126700098
A. E. Vernikovskaya, V. Yu. Fridovsky, N. Yu. Matushkin, E. A. Bogdanov, Ya. A. Tarasov
{"title":"Origins of Rapakivi Granites and Associating Gold Mineralization in Active Continental Margin Complexes of the Southwestern and Southeastern Margins of the Siberian Craton","authors":"A. E. Vernikovskaya,&nbsp;V. Yu. Fridovsky,&nbsp;N. Yu. Matushkin,&nbsp;E. A. Bogdanov,&nbsp;Ya. A. Tarasov","doi":"10.1134/S0869591126700098","DOIUrl":"10.1134/S0869591126700098","url":null,"abstract":"<p>We integrated geological, mineralogical and petrographic, geochemical and isotopic investigations of rocks of varying compositions from rapakivi-bearing active continental margin complexes in the southwestern and southeastern margins of the Siberian craton. The magmatic sources of these rocks have been identified, and we propose geodynamic formation models as well as a discussion of the nature of associating Au, Au–Sb, and Au–Bi mineralization.</p>","PeriodicalId":20026,"journal":{"name":"Petrology","volume":"34 4","pages":"387 - 389"},"PeriodicalIF":1.0,"publicationDate":"2026-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148532379","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evidence of Grenville Tectonic Events in the Western Margin of the Siberian Craton: Granitoids of the Ryazanovsky Massif, Yenisei Ridge 西伯利亚克拉通西缘格伦维尔构造事件的证据：叶尼塞岭梁赞诺夫斯基地块花岗岩类
IF 1 4区 地球科学
Petrology Pub Date : 2026-07-22 DOI: 10.1134/S0869591126700141
A. D. Nozhkin, O. M. Turkina, I. I. Likhanov, Yu. L. Ronkin
{"title":"Evidence of Grenville Tectonic Events in the Western Margin of the Siberian Craton: Granitoids of the Ryazanovsky Massif, Yenisei Ridge","authors":"A. D. Nozhkin,&nbsp;O. M. Turkina,&nbsp;I. I. Likhanov,&nbsp;Yu. L. Ronkin","doi":"10.1134/S0869591126700141","DOIUrl":"10.1134/S0869591126700141","url":null,"abstract":"<p>Mineralogical–petrological, geochemical, and isotope geochronological studies provide new data on the major- and trace-element composition, petrogenesis, U–Pb zircon age , and Sr and <sup>147</sup>Sm–<sup>143</sup>Nd isotopic parameters of the granitoids of the Ryazanovsky massif near the Yenisei fault zone of the Yenisei Ridge. The origin of these rocks at the Meso–Neoproterozoic boundary (1013 ± 9.9 Ma) marks early Grenvillian orogeny in the western margin of the Siberian craton.</p>","PeriodicalId":20026,"journal":{"name":"Petrology","volume":"34 4","pages":"406 - 407"},"PeriodicalIF":1.0,"publicationDate":"2026-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148532375","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mineralogical and Petrographic Characteristics of Aillikites of the Yuzhnaya Pipe, Zima Alkaline-Carbonatite Complex, Eastern Sayan 萨延东部子马碱碳酸岩杂岩尤日那亚管阿力克体矿物学与岩石学特征
IF 1 4区 地球科学
Petrology Pub Date : 2026-07-22 DOI: 10.1134/S0869591126700281
V. V. Sharygin, A. G. Doroshkevich
{"title":"Mineralogical and Petrographic Characteristics of Aillikites of the Yuzhnaya Pipe, Zima Alkaline-Carbonatite Complex, Eastern Sayan","authors":"V. V. Sharygin,&nbsp;A. G. Doroshkevich","doi":"10.1134/S0869591126700281","DOIUrl":"10.1134/S0869591126700281","url":null,"abstract":"<p>During the mineralogical and petrographic study of the aillikites of the Yuzhnaya pipe, Zima alkaline complex, special attention was devoted to the chemical composition of the main minerals—micas, clinopyroxenes, amphiboles, spinel and garnet supergroup minerals. For zoned macro-phenocrysts of ore minerals — Ti-magnetite and a potentially new Ca–Fe–Ti-oxide protophase, the solid decay structures into two phases are described: magnetite + ulvospinel/ilmenite and perovskite + magnetite. An unusual Ti–Zr garnet with a “Mg-morimotoiteˮ hypothetical Ca<sub>3</sub>(TiMg)(SiO<sub>4</sub>)<sub>3</sub> end-member (content—up to 40 mol %) was also identified in the studied aillikites.</p>","PeriodicalId":20026,"journal":{"name":"Petrology","volume":"34 4","pages":"444 - 449"},"PeriodicalIF":1.0,"publicationDate":"2026-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148532415","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","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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