Fig. 14c. P-T grid of metamorphism conditions for high grade amphibolites of Povorotny Cape
Boundary between eclogite and granulite facies after (Green and Ringwood, 1972; Ernst, 1976). Arrow indicates retrograde trend corresponding to exhumation of high grade amphibolites (sample 1323/2). The symbols are the same as in Fig.4. Geotherms shown after (Cloos, 1993): CS - cold subduction (6oC/km), WS - warm subduction (10oC/km), NG - normal geotherm (25oC/km), MOR - geotherm near spreading center and active volcanic arc (60oC/km). P-T field of metamorphism of oceanic plutonic rocks shown as in (Silantyev, 1995).