| 石英热释光的标型意义——相山铀矿床的研究实例 |
| 点此下载全文 |
| 引用本文：.1996.Typomorphic significance of Quartz thermolu-minescence in ore prospecting: A case stydy in the Xiangshan uranium deposit[J].Mineral Deposits,15(2):182~187 |
| Hits: 1622 |
| Download times: 1404 |
|
|
| 中文摘要:对相山铀矿床岩石、矿石中石英热释光的研究发现，热释光强度与其所在的岩性和其中的U、Th、K总量有关。总的趋势是U、Th、K总量增加，热释光强度显著降低；石英热释光辉光曲线上的峰形存在明显差异，岩石中石英热释光辉光曲线的峰形比较复杂，多数曲线呈双峰，且都是中温峰的相对强度比高温峰的相对强度低；矿石和近矿围岩中石英热释光辉光曲线都是双峰，且都是中温峰的相对强度比高温峰的相对强度高。这些差异可作为该矿床的找矿标志。在石英热释光辉光曲线上，任一特定峰温对相邻峰形存在一个叠加复合区间，其范围为特定峰温20℃左右。自岩浆冷却以后，该地区至少经历了五次大的热事件。对应的温度分别为250℃、288℃、310℃、335℃、350℃，表明该矿床是多次热事件叠加的结果。 |
| 中文关键词:热释光 叠加复合 热事件 找矿标志 相山铀矿床 |
| |
| Typomorphic significance of Quartz thermolu-minescence in ore prospecting: A case stydy in the Xiangshan uranium deposit |
|
|
| Abstract:Thermolu-minescence study of quartz from rocks and ores in the Xiangshan uranium deposit intensity and kurtosis of quartz vary remarkably, which can this ore deposit. On the thermolu-minescence curve of quartz, there exists a superimposed compounding interval of about +20℃ for any specific peak relative to the neighboring peak. Since the cooling of magma, the area has at least experienced five no-table thermal events with the corresponding temperature being 250℃, 288℃, 310℃, 335℃ and 350℃, respectively, suggesting that the ore deposit was formed through superimposition of several thermal events. |
| keywords:thermoluminescence, superimposed compounding, thermal event, the Xiangshan uranium deposit, criteria for ore prospecting |
| View Full Text View/Add Comment Download reader |
