The Kallianos Au-Ag-Te deposit in Evia Island (Greece) comprises sixteen syntaxial veins that intersect the schists and marbles of the Cycladic Blueschist Unit. The veins are filled with quartz-I and quartz-II, contain two hypogene ore stages (stages I and II), and are surrounded by infrequent muscovite-chlorite alteration zones. A magmatic origin is deduced for the Kallianos Au-Ag-Te mineralization, based on stable (S, C, Si, O, and H) and radiogenic (Pb, Sr, and Rb) isotopes, and fluid chemistry. The veins were deposited under pressures of ~ 220 to ~ 145 bars and temperatures of ~ 260 to 120 °C, from almost neutral H2Te-bearing hydrothermal fluids with a salinity of 2.2 to 15.8 wt.% NaCl equivalent. The telluride mineralization related to stage II was deposited at ~ 180 °C and evolved from Au- through Bi- to Ag-bearing tellurides. The vein minerals precipitated by simple cooling of almost non-reactive fluids that retained their initial magmatic signature. Taking into account the magmatic origin of the Kallianos deposit, we examine two proximal areas with granodioritic and leucogranitic intrusions similar to those associated with base and precious metal mineralization at Lavrion (~ 8.3 to ~ 7.1 Ma) and Tinos Island (~ 15 to ~ 13 Ma), as potential sources for the Kallianos fluids. Rb-Sr geochronology dating of the distal Kallianos Au-Ag-Te veins gave an age range of 8.1 to 7.6 Ma, implying that an overlapping and channelized hydrothermal system was active at the northern part of the Attico-Cycladic Metallogenetic Massif, utilizing the CBU detachment zones as fluid pathways.

中文翻译：

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希腊埃维亚岛的 Kallianos Au-Ag-Te 矿化：Attico-Cycladic 成矿地块的与拆离相关的远端热液矿床

位于埃维亚岛（希腊）的 Kallianos Au-Ag-Te 矿床包含 16 条结构脉，与基克拉迪蓝片岩单元的片岩和大理石相交。矿脉充满石英-I 和石英-II，包含两个下成因矿石阶段（I 和 II 阶段），周围环绕着罕见的白云母-绿泥石蚀变带。根据稳定的（S、C、Si、O 和 H）和放射成因（Pb、Sr 和 Rb）同位素以及流体化学，推断出 Kallianos Au-Ag-Te 矿化的岩浆起源。这些矿脉是在约 220 到约 145 巴的压力和约 260 到 120°C 的温度下从含盐度为 2.2 到 15.8 重量% NaCl 的几乎中性含 H2Te 的热液中沉积的。与阶段 II 相关的碲化物矿化沉积在 ~ 180 °C，并从含金的碲化物演变为含银的碲化物。通过简单冷却几乎没有反应的流体，保留了其初始岩浆特征的矿脉矿物沉淀。考虑到 Kallianos 矿床的岩浆成因，我们检查了两个具有花岗闪长岩和白花岗质侵入体的近端区域，类似于与 Lavrion（~8.3 至~7.1 Ma）和蒂诺斯岛（~15 至~13 Ma）的贱金属和贵金属矿化相关的侵入体Ma)，作为 Kallianos 流体的潜在来源。远端 Kallianos Au-Ag-Te 静脉的 Rb-Sr 年代学测年给出了 8.1 至 7.6 Ma 的年龄范围，这意味着利用 CBU，重叠和通道化的热液系统在 Attico-Cycladic 成矿地块的北部活跃分离区作为流体通路。