贵州省黔西县官坝地区二叠系-三叠系地质界面碳、氧同位素特征及意义
杨斌, 赵飞, 何碧, 王宁祖, 张文斌, 张志玺, 李伟

Carbon and oxygen isotope geochemistry of the Permian-Triassic boundary in Guanba area of Qianxi,Guizhou Province, and its significance
Bin YANG, Fei ZHAO, Bi HE, Ning-Zu WANG, Wen-Bin ZHANG, Zhi-Xi ZHANG, Wei LI
图2 贵州黔西县官坝地区P-T界线凝灰岩野外照片(a)及显微镜下照片(b)
Cry—晶屑;P-Hya—塑性玻屑