<SPAN lang=EN-US style="FONT-SIZE: 14pt; COLOR: black; FONT-FAMILY: ’Times New Roman’; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">Peridotite Xenolith Fragments from Late Quaternary Pyroclastic Flow in <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:PlaceName w:st="on">Weizhou</st1:PlaceName> <st1:PlaceType w:st="on">Island</st1:PlaceType>, Beihai, <st1:place w:st="on"><st1:PlaceName w:st="on">Guangxi</st1:PlaceName> <st1:PlaceType w:st="on">Province</st1:PlaceType></st1:place></SPAN>

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Peridotite Xenolith Fragments from Late Quaternary Pyroclastic Flow in Weizhou Island, Beihai, Guangxi Province

详细信息

责任者：Huang Linpei (Graduate School ; China University of Geosciences ; Wuhan 430074 ; China) ; Li Changnian
刊名：Acta Petrologica et Mineralogica
出版年：2007
卷期：26(4)
关键词：橄榄岩 ; peridotites ; 广西 ; Guangxi
页码：p.321-328
图表：5 illus., 3 tables, 41 refs.
分类号：0801
issnNo：ISSN1000-6524
isbnNo：CN11-1966/P

摘要

Weizhou Island in Beihai City of Guangxi Province is the largest Quaternary volcanic oceanic island in China. The latest eruptive product is basanitoid, which covers the tuffite strata of Late Pleistocene Huguangyan Formation. It is worth mentioning that many peridotite xenoliths were found in the strata. They are distributed in the basanitoid pyroclastic flow with the unique form of volcanic breccia, quite different from normal xenoliths. As the xenoliths have experienced blasting, they might be called xenolith fragments. Obviously, such xenoliths constitute one of the most peculiar types of peridotite xenolith occurrence. The original xenoliths might have been dunite and harzburgite.