Using the Landsat-8 Data Set and Shuttle Radar Topography Mission Digital Terrain Model for Gold–Polymetallic Mineralization Prediction on the Territory of the Central Part of the Malouralskaya Zone, the Polar Urals

Pub Date : 2024-02-20 DOI:10.1134/s0001433823120125

Yu. N. Ivanova, I. O. Nafigin

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Abstract

For the first time, we apply a new approach to processing earth remote sensing data obtained by the Landsat-8 spacecraft to the central part of the Maloyralskaya zone, the Polar Urals. It consists of integrating metasomatic alteration distribution maps and lineament density patterns that were created based on the results of statistical processing of remote sensing data and the Shuttle Radar Topography Mission (SRTM) digital elevation model. This study is aimed at identifying morphological features and patterns and features of the deep structure and at identifying areas promising for the gold-polymetallic type of mineralization in the studied area. As a result of the study, it is established that areas promising for the gold–polymetallic type of mineralization in the central part of the Maloyralskaya zone are localized along transregional fault zones that intersect favorable horizons and structures and control ore mineralization and within large morphostructures complicated by radial faults of the first-order NE and NW direction with a length of up to 30 km, as well as areas with increased indices of iron oxides (II and III) and, less often, hydroxide (Al–OH and Mg–OH) and carbonate-containing minerals.

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利用大地遥感卫星 8 号数据集和穿梭雷达地形图任务数字地形模型预测极地乌拉尔马卢拉斯卡亚区中部地区的金多金属矿化情况

摘要我们首次在极地乌拉尔的 Maloyralskaya 区中部采用了处理大地遥感数据的新方法。该方法包括将根据遥感数据统计处理结果和航天飞机雷达地形图任务（SRTM）数字高程模型绘制的元气蚀变分布图和线状密度模式进行整合。这项研究的目的是确定深部结构的形态特征、模式和特征，并确定研究区域内有可能出现金多金属矿化的区域。研究结果表明，马洛亚拉尔斯卡亚区中部有望形成金多金属矿化的地区位于与有利地层和构造相交并控制矿石成矿的跨区域断层带沿线，以及由长度达 30 千米的东北一阶和西北一阶径向断层构成的复杂大型形态构造内部、以及铁氧化物（II 和 III）指数增加的地区，以及氢氧化物（Al-OH 和 Mg-OH）和含碳酸盐矿物指数较低的地区。

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