Use of Digital Elevation Models in Metallogenic Investigations on the Example of the Central Part of the Lower Amur Province

IF 1.2 4区地球科学 Q3 GEOSCIENCES, MULTIDISCIPLINARY

Russian Geology and Geophysics Pub Date : 2023-09-25 DOI:10.2113/rgg20234574

G.Z. Gil’manova, M.Yu. Nosyrev, A.N. Didenko

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Abstract

Abstract —The digital elevation model (SRTM03) of the central part of the Lower Amur province is analyzed. The Limuri–Amgun ring structure is identified on the basis of a set of features, and it is also the location of the Pilda–Limuri and Kherpuchin–V’yunsky gold-ore regions, as well as the Albazino deposit, known for large industrial gold deposits and many small deposits and ore occurrences. The distribution of linear and ring elements of the relief is analyzed and geologically interpreted, and its spatial relationship with gold deposits and ore occurrences is shown. The relationship between the morphological severity of the ring structure and the deep structure of the region is shown. It is revealed that the structure is magmatic and characterized by a high concentration of intrusive bodies. According to the reference data on the age and composition of the igneous complexes of the region, the formation of the ring structure is associated with the processes of formation and transformation of the Earth’s crust and upper mantle during the end of the Late Cretaceous and the onset of the Paleocene in a suprasubduction geodynamic setting.

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数字高程模型在下阿穆尔省中部成矿调查中的应用

摘要:对下阿穆尔河省中部地区的数字高程模型(SRTM03)进行了分析。Limuri-Amgun环构造是根据一系列特征确定的，它也是Pilda-Limuri和Kherpuchin-V 'yunsky金矿区以及Albazino矿床的所在地，Albazino矿床以大型工业金矿和许多小型矿床和矿床而闻名。对地形线状元素和环状元素的分布进行了分析和地质解释，揭示了其与金矿床、矿体的空间关系。揭示了环状结构的形态严重程度与该地区深部结构的关系。结果表明，该构造为岩浆构造，具有侵入体富集的特征。根据该区火成岩杂岩年龄和组成的参考资料，认为该区环状构造的形成与晚白垩世末至古新世初地壳和上地幔的形成和转化过程有关。

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来源期刊

Russian Geology and Geophysics 地学-地球科学综合

CiteScore

2.00

自引率

18.20%

发文量

审稿时长

4-8 weeks

期刊介绍： The journal publishes original reports of theoretical and methodological nature in the fields of geology, geophysics, and geochemistry, which contain data on composition and structure of the Earth''s crust and mantle, describes processes of formation and general regularities of commercial mineral occurrences, investigations on development and application of geological-geophysical methods for their revealing. As to works of regional nature, accelerated publication are available for original papers on a variety of problems of comparative geology taking into account specific character of Siberia, adjacent Asian countries and water areas. The journal will also publish reviews, critical articles, chronicle of the most important scientific events, and advertisements.