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