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1 贵州省大地构造单元划分地质简图(a)及官坝地区地质简图(b)[13,14] Ⅳ-4-1-1—威宁穹盆构造变形区;Ⅳ-4-1-2—六盘水北西向褶断带;Ⅳ-4-1-3(1)—织金-穹盆构造变形区;Ⅳ-4-1-3(2)—毕节弧形褶皱带;Ⅳ-4-1-3(3)—凤冈南北向隔槽式褶皱变形区;Ⅳ-4-1-4—赤水平缓褶皱变形区;Ⅳ-4-2-1—兴义穹盆构造变形区;Ⅳ-4-2-2(1)—册亭东西向紧闭褶皱变形区;Ⅳ-4-2-2(2)—望谟北西向褶皱带;Ⅳ-4-2-3(1)—都匀南北向隔槽式褶皱变形区;Ⅳ-4-2-3(2)—铜仁复式褶皱变形区;Ⅳ-4-2-4(1)—榕江开阔复式褶皱变形区;Ⅳ-4-2-4(2)—黎平紧闭复式褶皱变形区;1—下侏罗统;2—下三叠统-上三叠统;3—中二叠统-上二叠统;4—下石炭统;5—中寒武统;6—断层;7—产状;8—剖面位置及采样点;9—地名