| 贾叶飞.岩石中金的赋存状态及其浸滤实验研究[J].地质找矿论丛,1994,(2):89-95 |
| 岩石中金的赋存状态及其浸滤实验研究 |
| DISCUSSION ON GOLD OCCURRANCE IN ROCKS ON THE BASIS OF THE MODELED HYDROTHERMAL SOLUTION EXTRACTION OF THE ELEMENT |
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| DOI：10.6053/j.issn.1001-1412.1994.2. 011 |
| 中文关键词: 浸滤实验 金的可溶性 金的浸出率 岩石中金的赋存状态 |
| 英文关键词: |
| 基金项目: |
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| 中文摘要: |
| 利用成矿介质作为浸取母液,在450～100℃(间隔50℃)、压力为50×105Pa和500×105pa条件下,分别对我国北方地区有代表性的数十种火成岩、变质岩和沉积岩样品进行浸滤实验。实验表明,三种类型岩石中金在浸液中的可溶性相差极大,火成岩和变质岩中金的浸出率分别高达17.30%和16.32%,而它们的金含量分别仅为3.18ppb和3.86ppb;沉积岩(金含量为8.85ppb)中金的浸出率最高为0.07%.本文利用实验结果,对岩石中金的赋存状态作了探讨。 |
| 英文摘要: |
| Experiments were made by ore-forming medium on several tens of samples from typical igneous rocks, metamorphic rocks and sedimentary rocks in the North China under condition of 450-100℃(50℃ per step)and 5mpa-50 Mpa. Au solubility of the rocks is quite diffeient. Au in igneous rocks and metamorphic rocks are resolveded up to 17.30% and 16.32% compared to their aboundances of 3.18 and 3.86ppb;and only 0.07% for sedimentary rocks companed to the abundaule of 8.85ppb. Discussion on gold occurrance is made on basis of the experiment data. |
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