地热水溶型和天然气伴生型氦气来源特征对比——以渭河盆地和鄂尔多斯盆地北部为例

张瑾, 张凤奇, 邹彦荣, 任小庆, 陈红果, 王鹏涛, 茹荣, 张文

Comparison of helium source characteristics between geothermal water-dissolved type and natural gas-associated type: A case study of Weihe Basin and northern Ordos Basin

ZHANG Jin, ZHANG Fengqi, ZOU Yanrong, REN Xiaoqing, CHEN Hongguo, WANG Pengtao, RU Rong, ZHANG Wen

图7 鄂尔多斯盆地北部杭锦旗地区氦气成藏模式 注:K—J为白垩系—侏罗系；T为三叠系；P3sh—P2s为上二叠统上石盒子组—中二叠统石千峰组；P2x2-3为中二叠统下石盒子组二段—三段；P2x1为中二叠统下石盒子组一段；P1s为下二叠统山西组；C3t为石碳系太原组；O1m为奥陶系马家沟组；Ar为太古界。

Fig.7 Schematic model of helium accumulation in Hangjinqi area, northern Ordos Basin