- 期刊
熱螢光動力學分析技術用於金瓜石地區金礦探勘
Application of Thermoluminescence Kinetic Analysis in the Exploration of Gold Deposits in Chinkuashih Area
摘要
本研究分析金瓜石之本山、樹梅、粗石山、復山金礦及長仁等地區之礦化及非礦化樣本，分析包含地表、坑道及鑽探取樣等400餘標本之熱螢光熾光曲線。經動力學分析各組成熾峰及動力學參數，結果顯示，金含量與熱螢光熾峰強度二者約呈指數之反變關係；本山地區的礦化行為以擴散作用為主，由中心向外圍漸變；長仁地區之牛伏及龜礦體熱螢光強度的分布，與角礫岩礦筒的單區域成礦機制吻合。此外，本山地區樣本的382℃、樹梅地區樣本的373℃，以及長仁地區樣本的290℃熾峰，具有與金含量變化敏感之特徵，可作為礦化之指標。透過動力學參數與金含量之聚類分析結果，本山礦化特徵亦涵蓋至南側樹梅地區，而粗石山及長仁地區應是源自同一礦化系統的作用。
並列摘要
We analyzed the thermoluminescence(TL) glow curve data from more than 400 mineralized and non-mineralized samples collected from the surface, tunnels and boreholes in Chinkuashih area. The kinetic parameters of decomposed glow peaks exhibit an anti-exponential relation between the gold content and the TL intensity. Panshan gold mineralization is radially dispersive extending from the center to the peripheral area. The change of intensities of samples collected from the Baffulo and Tutle ore bodies matches the behavior of breccia pipe. The 382℃ glow peak of Panshan area samples, the 373℃ of Sumay area and the 290℃ of Changjen area are characteristically sensitive with their gold contents, therefore, they may be used as an indicator for mineralization. Results of cluster analysis for the kinetic parameters and gold contents exhibit the mineralization characteristics extend from Panshan to Sumay area and the mineralization occurrence in Tsushihshan and Changjen originated from the same mineralization system.