At the historical Eskeborner Berg underground workings at Tilkerode (Eastern Harz Mountains, Germany), Fe was mined from a carbonate–hematite vein system that was locally enriched in selenide minerals. Clausthalite [PbSe] was the most abundant selenide mineral in a carbonate matrix with laths of specular hematite. To date, the selenide-bearing carbonate–hematite vein system at Tilkerode has not been geochemically investigated. Here, we present the first whole-rock chemical data for a wide suite of trace elements. The following metals are enriched relative to bulk continental crust (orders of magnitude in parentheses): Se (>10⁵), Hg (>10⁴), Ag and Pb (10³), Au, Bi, Pt, Ge, Te, Pd and Cd (10²). Samples from Tilkerode have up to 2640 ppm Ag, 338 ppm Ge, 1560 ppb Au, 970 ppb Pt and 365 ppb Pd, with Pt/Pd > 1, and a significant positive correlation of Ge vs. (Pd+Pt). The selenide mineralisation took place below 112 °C, the maximum temperature stability of umangite [Cu₃Se₂]. Our data indicate there is potential for prospecting Ge and precious metals in low-temperature vein systems.

在 Tilkerode（德国东哈尔茨山脉）历史悠久的 Eskeborner Berg 地下矿井中，铁是从碳酸盐-赤铁矿脉系统中开采出来的，该脉系统在当地富含硒化物矿物。Clausthalite [PbSe] 是碳酸盐基质中最丰富的硒化物矿物，具有镜面赤铁矿板条。迄今为止，尚未对 Tilkerode 的含硒碳酸盐-赤铁矿脉系统进行地球化学研究。在这里，我们展示了一系列广泛的微量元素的第一个全岩化学数据。以下金属相对于大块大陆地壳富集（括号中的数量级）：Se (>10 ⁵ )、Hg (>10 ⁴ )、Ag 和 Pb (10 ³ )、Au、Bi、Pt、Ge、Te、钯和镉 (10 ²). 来自 Tilkerode 的样品含有高达 2640 ppm Ag、338 ppm Ge、1560 ppb Au、970 ppb Pt 和 365 ppb Pd，其中 Pt/Pd > 1，并且 Ge 与 (Pd+Pt) 呈显着正相关。硒化物矿化发生在 112 °C 以下，这是 umangite [Cu ₃ Se ₂ ] 的最高温度稳定性。我们的数据表明在低温矿脉系统中存在勘探锗和贵金属的潜力。