Cosmogenic radioactive nuclides, particularly K^40, Mn^54 and Co^57 are measured in meteorites Nos. Ⅰ,Ⅱ and Ⅴ from the Kirin meteorite shower which is very s
Using X-ray photoemission spectroscopy (XPS), the Preliminary results on the lunar basalt sample (70017-291)are shown in the paper. Major elements (O, Si,Al, Fe
Detailed geological studies and systematic examinations in terms of petrology,petrochemistry, mineralogy and minor clement distribution with respect to a number