Extrusive-facies volcanic lava shows high value of GR and low or media-low value of DLL.Extrusive arid subfacies tuff lava shows media value of GR and DLL.

• 侵出相火山熔岩自然伽马测井显示高值，双侧向测井显示低-中低值，侵出相外带亚相凝灰熔岩为中伽马、中阻的特征。