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A new industrial mineral sand mine near Coos Bay, Oregon

机译：俄勒冈州库斯湾附近的一个新的工业矿物砂矿

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摘要

Oregon Resources Corp. (ORC) has developed and permitted a new mining operation that incorporates a process design that will allow the unique paleo-beach placer deposits of southwestern Oregon to be extracted efficiently and economically, creating the only domestically mined source of a unique foundry grade chromite and specialty de-veining sand for precision casting. The operation will also provide an additional domestic source of garnet and zircon. Engineering design has been guided by the variable geology and mineralogy of the paleo-beach placer deposits as well as the need for a dry tailing scheme that resolves a lack of water resources at the placer locations and at the same time eliminates the need for slurry settling ponds, typical of paleo-beach placer operations in North America.
机译：俄勒冈资源公司（ORC）已开发并允许一项新的采矿业务，该业务采用了一种工艺设计，该工艺设计将使俄勒冈州西南部独特的古海滩砂矿矿床得以有效，经济地开采，从而成为唯一一家国内铸造的独特铸造厂等级的亚铬铁矿和专用去脉砂，用于精密铸造。该行动还将提供石榴石和锆石的其他国内来源。工程设计受到古海滩砂矿床地质和矿物学的变化以及对干尾矿方案的需求的指导，该方案解决了砂矿位置中水资源的短缺，同时消除了泥浆沉降的需要池塘，在北美是典型的古海滩砂矿作业。

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