当前位置:科学网首页 > 小柯机器人 >详情
辽东半岛矿床成因及资源潜力
作者:小柯机器人 发布时间:2024/2/29 15:05:16

近日,中国科学院地质与地球物理研究所朱日祥团队最新的研究报道了辽东半岛金矿床的成因及资源潜力。相关论文于2024年2月26日发表在《中国科学:地球科学》杂志上。

基于区域地质、中生代岩浆—构造演化和成矿地质,结合综合物探和大数据AI阻力预测,研究人员提出辽东晚中生代金矿床成矿物质主要来源于克拉通破坏引起的幔源熔体和(或)流体。金矿床主要受北东—北北东向断裂控制,主要分为断裂控制蚀变岩型和含硫化物石英脉型。

此外,预测鸭绿江断裂带及其相关次级断裂和已知金矿的外围和深部,是今后找金的重要区域。鸭绿江成矿带具有巨大的金矿资源潜力,辽东半岛具有新增数千吨金矿资源的潜力。

据了解,华北克拉通东部广泛分布着大量与晚中生代克拉通破坏有关的金矿床。但华北克拉通不同地区在研究程度、成矿特征和探明储量等方面存在显著差异。辽东半岛与胶东半岛具有相似的区域地质特征,均经历了晚中生代克拉通的破坏,但金矿化程度和已探明金矿资源方面存在较大差异。

附:英文原文

Title: The genesis and resource potential of gold deposits in the Liaodong Peninsula

Author: Rixiang ZHU, Jin-Hui YANG, Gongwen WANG, Qingdong ZENG, Guoqiang XUE, Tao XU, Xinghui LI, Peng ZHANG, Da LEI, Guang ZHU

Issue&Volume: 2024/02/26

Abstract: Plenty of gold deposits related to Late Mesozoic craton destruction are widely distributed in eastern North China Craton. However, significant differences in research degrees, ore-forming characteristics, and proven reserves exist among different regions in the North China Craton. The Liaodong Peninsula has similar regional geological characteristics to those of the Jiaodong Peninsula, with both experiencing craton destruction during Late Mesozoic, but the two areas have substantial differences in terms of gold mineralization and the proven gold resources. Based on regional geology, Mesozoic magmatic-tectonic evolution and ore geology, combined with integrated geophysical exploration and big data AI resource prediction, in this paper, we propose that the ore-forming materials of Late Mesozoic gold deposits in Liaodong were mainly originated from mantle-derived melts and/or fluids induced by craton destruction. The gold deposits were primarily controlled by NE-NNE-trending faults, mainly classified as fracture-controlled altered rock-type and sulfide-bearing quartz vein-type. Moreover, our study predicts that the Yalu River fault zone and its related secondary faults, as well as the periphery and deeper parts of known goldfields, are the important regions for future gold resource exploration. The Yalu River metallogenic belt has an enormous potential for gold resources, and the Liaodong Peninsula has a potential to add thousands of tons of gold resources.

DOI: 10.1007/s11430-023-1258-4

Source: https://www.sciengine.com/10.1007/s11430-023-1258-4

期刊信息

Science China Earth Sciences《中国科学:地球科学》,创刊于1952年。隶属于施普林格·自然出版集团,最新IF:5.7

官方网址:https://www.sciengine.com/SCES/home
投稿链接:https://mc03.manuscriptcentral.com/sces