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在研究甘肃寨上金矿床物质组分的过程中,通过对矿物的反光显微镜下观察与电子探针分析,发现了Ni的自然金属、Cu-Ni-Zn-Sn-Fe多金属互化物及其S的多元合金矿物,如自然镍、Zn-Cu合金、Ni-Zn-Cu合金、Sn-Zn-Ni-Cu合金、Zn-Cu-Ni合金、Zn-Fe-Cu-Sn-Ni合金、Fe-Ni-S合金、Sn-Fe-Ni-S合金、Fe-Zn-Cu-Ni-S合金、Zn-Ni-Cu-Fe-S合金等矿物.与国内外已发现的Zn-Cu合金矿物相比,所发现的Zn-Cu合金矿物为α,α+β相,尤其是α-ZnCu合金矿物,Cu含量更高.而由Cu,Ni,Zn,Sn和Fe组成的多金属互化物及其S的多元合金矿物,在国内外尚无报道.这些合金矿物均属自然界罕见的矿物种类,其生成条件独特,是在一种缺氧、低硫的强还原环境中形成的.
In the study of the Zhaishang gold deposit in Gansu, we found that the natural metals, Cu-Ni-Zn-Sn-Fe multimetallic compounds of Ni and their S, such as natural nickel, Zn-Cu alloy, Ni-Zn-Cu alloy, Sn-Zn-Ni-Cu alloy, Zn-Cu-Ni alloy, Zn-Fe-Cu-Sn-Ni alloy, Fe Ni-S alloy, Sn-Fe-Ni-S alloy, Fe-Zn-Cu-Ni-S alloy and Zn-Ni-Cu-Fe-S alloy etc. Compared with the Zn-Cu alloy minerals In contrast, the discovered Zn-Cu alloy minerals are α, α + β phase, especially α-ZnCu alloy with higher Cu content, whereas the multi-metal intermetallic compounds consisting of Cu, Ni, Zn, Sn and Fe and The S multi-elemental alloying minerals have not been reported at home and abroad.These alloying minerals belong to the rare mineral species in nature, and their formation conditions are unique, which are formed in a hypoxia, low sulfur and strong reduction environment.