Occurrences of intergranular coesite in ultrahigh-P rocks from the Sulu region, eastern China; implications for lack of fluid during exhumation

Other| October 01, 1996 Occurrences of intergranular coesite in ultrahigh-P rocks from the Sulu region, eastern China; implications for lack of fluid during exhumation J. G. Liou; J. G. Liou Stanford University, Department of Geological and Environmental Sciences, Stanford, CA, United States Search for other works by this author on: GSW Google Scholar R. Y. Zhang R. Y. Zhang Search for other works by this author on: GSW Google Scholar Author and Article Information J. G. Liou Stanford University, Department of Geological and Environmental Sciences, Stanford, CA, United States R. Y. Zhang Publisher: Mineralogical Society of America First Online: 02 Mar 2017 Online Issn: 1945-3027 Print Issn: 0003-004X Copyright © 1977 by the Mineralogical Society of America American Mineralogist (1996) 81 (9-10): 1217–1221. https://doi.org/10.2138/am-1996-9-1020 Article history First Online: 02 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation J. G. Liou, R. Y. Zhang; Occurrences of intergranular coesite in ultrahigh-P rocks from the Sulu region, eastern China; implications for lack of fluid during exhumation. American Mineralogist 1996;; 81 (9-10): 1217–1221. doi: https://doi.org/10.2138/am-1996-9-1020 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyAmerican Mineralogist Search Advanced Search Abstract Several coesite grains along gamet-omphacite grain boundaries were discovered in eclo-gites from Yangkou Beach of the Sulu region, eastern China. These grains exhibit variable extents of conversion of coesite to palisade- through mosaic- to granoblastic-quartz aggregates. The rare occurrence of intergranular and matrix coesite in ultrahigh-pressure (UHP) crustal rocks is related to the fast rate of exhumation and the low amount of fluid infiltration required during retrograde recrystallization. Sluggish reactions due to the lack of fluid in both UHP and retrograde metamorphism resulted in the occurrence of intergranular coesite in these eclogites, the preservation of gabbroic texture and relict igneous minerals, and the metastable persistence of low-P assemblages in the coesite-stability field. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.