基于不等式和Gramian约束的MT和重力正则化联合反演

陈晓, 曾志文, 邓居智, 张志勇, 陈辉, 余辉, 王彦国

Regularized joint inversion of magnetotelluric and gravity data based on inequality and Gramian constraints

CHEN Xiao, ZENG Zhi-Wen, DENG Ju-Zhi, ZHANG Zhi-Yong, CHEN Hui, YU Hui, WANG Yan-Guo

表1 相山火山盆地岩石物性统计结果

Table 1 Statistical results of petrophysical properties of Xiangshan volcanic basin

岩性 σ平均/(g·cm-3) ρ/ (Ω·m) 碎斑熔岩 2.63 (2.61~2.65),低 6000 (400~400000),大部分>5000 流纹英安岩 2.69 (2.65~2.72),中等 2685,大部分<5000,偏低 变质岩 2.77 (>2.72),高 低阻样本为3451,高阻样本为31092