引言 1975年以来罗萨里奥多米尼加S.A是多米尼加共和国中部普韦布洛别霍(Puebloviejo)地区贵金属的主要生产厂家。两个主矿体(穆尔和内格罗山)和三个较小矿体(东梅吉特,梅吉特二和坎巴)的氧化矿石的年产量金大约为11000公斤,银为45000公斤(图1)。因为在普韦布洛别霍首先开采的是氧化矿,故在氧化矿下面的硫化物矿体作为经 Introduction Since 1975 Rosario Dominican Republic S.A is a major producer of precious metals in the Pueblo-Divo region of central Dominican Republic. The annual production of oxidized ores from the two main ore bodies (Moore and Negro) and three smaller ones (East Meijit, Mejt 2 and Kampar) is about 11,000 kg of gold and 45,000 kg of silver ( figure 1). Since the ore was first mined in Pueblo Behoe, the sulfide orebody beneath the oxide ore