PROBLEM TO BE SOLVED: To improve computation precision by determining the coordinate system of a VOXEL model having the minimum volume error from a actual object to be analyzed when a structural analysis is taken by using a VOXEL method, in the coordinate determination processing method for the ...
大理岩型锡矿石产于燕山早、中期千里山花岗岩与中、上泥盆统灰岩的外接触带。矿石呈细脉、网脉浸染状,锡矿物有:锡石、黄锡矿,富钛尼日利亚石、尼日利亚石和木锡矿,脉... 谭延松 - 《国土资源导刊》 被引量: 7发表: 1991年 湖南郴县千里山花岗岩的岩石学特征 千里山花岗岩是一个与W,Sn,Mo,Bi多金属矿床有...