{"title":"The Ore Potential of the Late Mesozoic Ariadnensky Massif of Ultramafic, Mafic, and Granitoid Rocks (Sikhote-Alin Orogenic Belt)","authors":"A. I. Khanchuk, V. P. Molchanov","doi":"10.1134/s1819714023060052","DOIUrl":null,"url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>In the south of the Russian Far East, a new promising type of source of strategic and critically important metals (titanium, gold, platinum, niobium, hafnium, copper, antimony, etc.) has been discovered: these are complex ores and placers that are spatially and genetically related to the Late Mesozoic (Cenomanian?) synorogenic intrusions of ultramafic–mafic rocks of the Sikhote-Alin orogenic belt. One example is the Ariadnensky massif of ultramafic, mafic and granitoid rocks with gold-titanium mineralization in its mafic part, gold-antimony mineralization at the exocontact, and gold-copper mineralization in the circum-intrusive zone. The main mineralogical and geochemical features of these ore formations have been determined. The typomorphic properties of native gold from ultramafic rocks have been revealed. It is shown that mantle and crustal processes were involved in the formation of different types of ore. The materials we obtained provide new opportunities for the reassessment of potential of strategic metal resources in Primorye.</p>","PeriodicalId":49583,"journal":{"name":"Russian Journal of Pacific Geology","volume":"49 1","pages":""},"PeriodicalIF":0.9000,"publicationDate":"2024-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Russian Journal of Pacific Geology","FirstCategoryId":"89","ListUrlMain":"https://doi.org/10.1134/s1819714023060052","RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"GEOSCIENCES, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
In the south of the Russian Far East, a new promising type of source of strategic and critically important metals (titanium, gold, platinum, niobium, hafnium, copper, antimony, etc.) has been discovered: these are complex ores and placers that are spatially and genetically related to the Late Mesozoic (Cenomanian?) synorogenic intrusions of ultramafic–mafic rocks of the Sikhote-Alin orogenic belt. One example is the Ariadnensky massif of ultramafic, mafic and granitoid rocks with gold-titanium mineralization in its mafic part, gold-antimony mineralization at the exocontact, and gold-copper mineralization in the circum-intrusive zone. The main mineralogical and geochemical features of these ore formations have been determined. The typomorphic properties of native gold from ultramafic rocks have been revealed. It is shown that mantle and crustal processes were involved in the formation of different types of ore. The materials we obtained provide new opportunities for the reassessment of potential of strategic metal resources in Primorye.
期刊介绍：
Russian Journal of Pacific Geology publishes the results of research on the Earth crust and mantle composition and provides articles on the geological structure and patterns of distribution of mineral deposits in the Pacific Ocean, marginal seas and continental margins. It discusses the topics of stratigraphy, sedimentology, magmatic activity, and seismicity. The journal deals with the problems of lithosphere plates tectonics, and offers the results of neotectonic, geomorphological, geodesic, environmental and mining studies in the Pacific region. The journal accepts theoretical, methodical and philosophical articles covering general issues of geology, geophysics, geochemistry, geoecology and mining. The journal also publishes critical notes and comments, and reviews.
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