OXYGEN isotope composition is an important key to an understanding of petrogenesis,mantleheterogeneity,crust-mantle interaction,etc.The great mass of data of the mantle-derived ma-terials published abroad have announc...OXYGEN isotope composition is an important key to an understanding of petrogenesis,mantleheterogeneity,crust-mantle interaction,etc.The great mass of data of the mantle-derived ma-terials published abroad have announced the δ<sup>18</sup>O heterogeneity of the mantle,the existence展开更多
THE determination of contents of trace (10<sup>-12</sup>—10<sup>-9</sup>) siderophile elements, Re and Os, and osmium isotopic compositions in mantle-derived rocks is very useful. It has been ...THE determination of contents of trace (10<sup>-12</sup>—10<sup>-9</sup>) siderophile elements, Re and Os, and osmium isotopic compositions in mantle-derived rocks is very useful. It has been a new approach to exploring interactions between the mantle and the crust, and the chemical structure of the mantle. This can be done by combination with isotopic dating and tracing展开更多
文摘OXYGEN isotope composition is an important key to an understanding of petrogenesis,mantleheterogeneity,crust-mantle interaction,etc.The great mass of data of the mantle-derived ma-terials published abroad have announced the δ<sup>18</sup>O heterogeneity of the mantle,the existence
文摘THE determination of contents of trace (10<sup>-12</sup>—10<sup>-9</sup>) siderophile elements, Re and Os, and osmium isotopic compositions in mantle-derived rocks is very useful. It has been a new approach to exploring interactions between the mantle and the crust, and the chemical structure of the mantle. This can be done by combination with isotopic dating and tracing
