蒙阴金伯利岩地面TM波谱研究及其在金刚石找矿预测中的应用

基于地物波谱与ＴＭ图像亮度的线性相关关系，文章对蒙阴金伯利岩地面ＴＭ波谱特征进行了分析，建立了典型金伯利岩地面波谱模式和地空相关模型。经金伯利岩地面ＴＭ波谱地空反演后形成的彩色相关图像识别及图像异常的野外查证表明，金伯利岩地面波谱与ＴＭ图像数据的相关分析方法在金刚石找矿预测及靶区定位中有较理想的应用效果。

A Study of Ground Spectrum of Kimberlites in Mengyin and Its Application to the Prospecting and Prognosis of Diamond Deposit

This paper has established six ground_space correlation models based on a study of ground spectrum property of kimberlites in Mengyin area. The TM correlation analysis of ground spectra of kimberlites led to the transformation of the TM image for the middle part of Yishu Fault zone into a ground space correlation image related to the ground spectrum property of kimberlites in Mengyin area. The application effects of the ground_space correlation image for the prognosis of diamond deposits in the middle part of Yishu Fault zome are also discussed in this paper. Through the analysis of the ground_space correlation image, the authors recognized six image anomalies related to the kimberlites. During the field inspection of the anomalies, some carbonate veins were discovered within A-1 and A-2 anomalies. Heavy mineral, isotope and REE studies suggest that this sort of carbonate veins might be a kimberlite which experienced late carbonate alteration.