我喜欢这张图，关于珠峰地区的PTtD演化图，
Generalized pressure–temperature–time–deformation (P–T–t–D) path proposed for the Everest Series.

Channel flow models (Jamieson et al., 2004) predict that the M1 stage of metamorphism records the stage of maximum crustal thickening at c. 33–28 Ma prior to the onset of south-directed mid-crustal flow.