黔北旦坪铝土矿床胶体包粒成因及其形成时间估算*
成龙1,2, 余文超1,2, 杜远生1,2, 周锦涛1,2, 熊国林3, 翁申富2,4, 郭尚宇5

Genesis of colloidal pellets of Danping bauxite deposit in northern Guizhou Province and estimation of their mineralization duration
CHENG Long1,2, YU Wenchao1,2, DU Yuansheng1,2, ZHOU Jintao1,2, XIONG Guolin3, WENG Shenfu2,4, GUO Shangyu5
黔北旦坪矿区大竹园组铝土矿床胶体包粒Al、Fe元素面扫描图 A—正常胶体包粒Al元素面扫描图; B—正常胶体包粒Fe元素面扫描图; C—表胶体包粒Al元素面扫描图;D—表胶体包粒Fe元素面扫描图; E—偏心胶体包粒Al元素面扫描图; F—偏心胶体包粒Fe元素面扫描图