Chondrites can be classified into different types from 1 to 6 with increasing degree ofthermometamorphism.EH-chondrites fall between types 3 and 5 with lack of type 6,while all of the 17 EL chondrites were reported to...Chondrites can be classified into different types from 1 to 6 with increasing degree ofthermometamorphism.EH-chondrites fall between types 3 and 5 with lack of type 6,while all of the 17 EL chondrites were reported to be of type 6.Such distribution of thechemical-petrographic types of enstatite chondrites was used as a key argument for thatthese two chondrites came from one single parent body.Peckling Peak A80259 was re-ported as the first EL5 chondrite,however,solid solution of FeS-MgS-MnS system inthis chondrite exists as niningerite,a distinctive phase of EH chondrites.In addition,展开更多
文摘Chondrites can be classified into different types from 1 to 6 with increasing degree ofthermometamorphism.EH-chondrites fall between types 3 and 5 with lack of type 6,while all of the 17 EL chondrites were reported to be of type 6.Such distribution of thechemical-petrographic types of enstatite chondrites was used as a key argument for thatthese two chondrites came from one single parent body.Peckling Peak A80259 was re-ported as the first EL5 chondrite,however,solid solution of FeS-MgS-MnS system inthis chondrite exists as niningerite,a distinctive phase of EH chondrites.In addition,
