Retrograde Reactions of Garnet Pyroxenite Inclusion within Marble from Rongcheng, Northern Sulu UHPM Terrane
详细信息
- 责任者：Cai Zhihui (Key Laboratory of Continental Dynamics ; Institute of Geology ; Chinese Academy of Geological Sciences ; Beijing 100037 ; China) ; Tang Zhemin
- 刊名：Geoscience
- 出版年：2010
- 卷期：24(1)
- 关键词：大理岩 ; marble ; 江苏 ; Jiangsu Province ; 山东 ; Shandong Province
- 页码：p.175-186
- 图表：10 illus., 4 tables, 29 refs.
- 分类号：0802
- issnNo：ISSN1000-8527
- isbnNo：CN11-2035/P
摘要
Garnet pyroxenite inclusions within marble, from Rongcheng, northern Sulu ultrahigh-pressure meta- morphic (UHPM) terrane are studied in detail. The results of Laser Raman experiments indicate no coesite existed in the retrograded garnet pyroxenite, whereas coesites are found in all other type of rocks near these sample sites. It is likely that the garnet pyroxenite also preceded the ultrahigh pressure metamorphic condition. The reason of absence of coesite in the rock is merely that the primary rocks are ultramafic.