The Beni Bousera peridotite massif(Internal Rif, Morocco),5 km in width and 15 km in length,is formed in a major part of spinel-bearing lherzolite rimed by a layer of garnet-bearing peridotite(100 m thick)which is in ...The Beni Bousera peridotite massif(Internal Rif, Morocco),5 km in width and 15 km in length,is formed in a major part of spinel-bearing lherzolite rimed by a layer of garnet-bearing peridotite(100 m thick)which is in direct contact with HP-HT granulite metamorphic rocks(16 kbar,860℃).According to recent detailed study,the shearing contact between these two formations shows the presence of serpentinite and展开更多
文摘The Beni Bousera peridotite massif(Internal Rif, Morocco),5 km in width and 15 km in length,is formed in a major part of spinel-bearing lherzolite rimed by a layer of garnet-bearing peridotite(100 m thick)which is in direct contact with HP-HT granulite metamorphic rocks(16 kbar,860℃).According to recent detailed study,the shearing contact between these two formations shows the presence of serpentinite and
