Abstract

Fluid inclusions were studied in quartz from economic ores of the Svoboda area, which is one of the main economic areas of the Malmyzh Au–Cu porphyry deposit. The economic Au–Cu mineralization of the deposit formed mostly from chloride fluid. The main physicochemical parameters of the ore-forming include a temperature of 250–350°C, a salinity of 0.8–48.0 wt % NaCl equiv., and a pressure of 15–62 MPa. The calculations of the pressure of ore-forming fluid indicate the depth of the formation of ore mineralization in a range of 1.5–2.4 km and a 900 m ascent of the ore-hosted block during ore deposition. Our data can be used during prospecting and exploration works at Au–Cu porphyry deposits.

中文翻译：

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俄罗斯远东马尔梅日金铜斑岩矿床成矿流体的组成和经济矿石形成的理化参数：以斯沃博达矿区为例

摘要

研究了斯沃博达地区经济矿石石英中的流体包裹体，该地区是 Malmyzh Au-Cu 斑岩矿床的主要经济区之一。该矿床的经济 Au-Cu 矿化主要由氯化物流体形成。成矿的主要理化参数包括温度为 250-350°C，盐度为 0.8-48.0 wt% NaCl 当量，压力为 15-62 MPa。成矿流体压力的计算表明，在矿石沉积过程中，矿石矿化的形成深度在 1.5-2.4 km 范围内，并且在矿块上上升 900 m。我们的数据可用于金铜斑岩矿床的勘探和勘探工作。