题 名：浙江长兴煤山地区晚二叠世末、早三叠世初的火山活动(The latest Permian and earliest Triassic volcanic activities in the Meishan area of Changxing,Zhejiang)
关键词：
作 者：何锦文 芮琳 柴之芳 马淑兰(He Jin-wen Run Lin Chai Chi-fang and Ma Shu-lan)
年卷期：1987年11卷3期
页 码：194-199
文 摘：
Recently ,a great number of crystals of -quartz with a hexagonal dipyramidal habit were discovered in the mixed fauna beds 1——3 of sections A,B,D and Z in the uppermost Permian and