Spark-source mass spectrometry for quantitative analysis of Apollo-17 lunar rock(70017-291) is described. About 5rag powder lunar rock sample, without any eandu
Kerogen extracted from drilling cores at the depth between 1357 m and 2998m in a thick homogeneous sedimentary series of the Huahai Basin, Western Gansu, was an
Samples are avaibale for 27 stone meteorite fallings in China. 13 chondrites have been preliminary examined in terms of chemical and mineral compositions, cosmo