从100-2000米获得的岩心的岩石学观察，得知主要岩石类型有：（1）榴辉岩及石榴辉石岩；
The close study of the core rocks from 100 - 2000m of the main hole of the Drilling has revealed that the major lithological types are : ( 1 ) Eclogites and garnet pyroxenites ;
辉石岩