A great quartity of cosmic dust(spherules) was found in deep-sea sediments during May to July,1983manganese nodule investigations by the R/V“XIANGYANGHONG 16”in the area 7°-11°N,167°-178°Win th...A great quartity of cosmic dust(spherules) was found in deep-sea sediments during May to July,1983manganese nodule investigations by the R/V“XIANGYANGHONG 16”in the area 7°-11°N,167°-178°Win the Pacific.Comprehensive study of the cosmic dust and determination with Laser Raman MolecularMicroprobe(LRMM) of the molecules in it showed that besides Fe-Fe,Fe<sup>3+</sup>-O,Fe-Ni,Al-O,Fe-Obr-Si and Si-Onb,it also contained the organic molecules C-H-O and C-H-S-O,various no fixed form molecules of C,CH<sub>2</sub>,CH<sub>3</sub> and volatile molecules CO<sub>2</sub>,H<sub>2</sub>O,OH<sup>-</sup> and H<sub>2</sub>S,etc…The study result has very important applications for exploring the origin of interplanetary dust parti-cles and life material.展开更多
基金The project supported by the National Natural Soence Foundation of China,No.4917263
文摘A great quartity of cosmic dust(spherules) was found in deep-sea sediments during May to July,1983manganese nodule investigations by the R/V“XIANGYANGHONG 16”in the area 7°-11°N,167°-178°Win the Pacific.Comprehensive study of the cosmic dust and determination with Laser Raman MolecularMicroprobe(LRMM) of the molecules in it showed that besides Fe-Fe,Fe<sup>3+</sup>-O,Fe-Ni,Al-O,Fe-Obr-Si and Si-Onb,it also contained the organic molecules C-H-O and C-H-S-O,various no fixed form molecules of C,CH<sub>2</sub>,CH<sub>3</sub> and volatile molecules CO<sub>2</sub>,H<sub>2</sub>O,OH<sup>-</sup> and H<sub>2</sub>S,etc…The study result has very important applications for exploring the origin of interplanetary dust parti-cles and life material.