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GEOCHEMISTRY OF BASALT AND XENOLITHS AND ITS DEEP PROCESS IN DAOXIAN COUNTY,HUNAN PROVINCE |
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| Authors: | KONG Hua XI Xiao-shuang JIN Zhen-min HUANG De-zhi |
| Abstract: | Deep xenolith are important samples for us to know composition and nature of the deep crust.There are many new volcanos which can all kinds of xenoliths such as a lower crustal graulite,and upper mantle-derived peridolite and lherzolite.In eastern China,there occured many deep xenoliths in Mesozoic-Cenzoic alkaline basalt.Besides these,some small volcanos eruptions were founded in southern Hunan province,which age is about 132-151 Ma. |
| Keywords: | Basalt xenolith deep process southern Hunan |
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