超高壓礦物的退向變質反應動力學之研究(2/2)
Date Issued
2003
Date
2003
Author(s)
黃武良
DOI
912116M002028
Abstract
The recognition of the UHPM rocks is
mainly based on the presence of high-pressure
index minerals, diamonds, coesite, aragonite,
Mg-calcite and others. The preservation of
these minerals through the
retrograde-metamorphism during exhumation
of the rocks depends on the kinetics of the
retrograde reactions. The present research
project focuses on the kinetics of three major
reactions: (1) the nucleation and growth of
quartz or coesite. The new observations have
been published (Huang, 2002; Huang, 2003) in
two (SCI) journals: “Journal of Crystal
Growth” and “European Journal of
Mineralogy” (September-October issue, 2003).
(2) The carbonates polymorph transformation
kinetics during retrogressive metamorphism.
The results have been summarized in a paper,
which has been accepted by a SCI journal
“Mineralogy and Metrology” for publication. (3)
Retrogressive reaction kinetics of UHP
carbonates: solution and exsolution rates of
Mg- calcite during aragonite to calcite
transformation. The experiments are almost
completed. The results reveal some important
and new observations, and will be summarized
in a paper for a SCI journal. In summary, our
new results of the kinetics of these reactions
have significantly improved our understanding
of the UHPM processes.
Subjects
Quartz
coesite
UHPM
reaction kinetics
Publisher
臺北市：國立臺灣大學地質科學系暨研究所
Type
report
File(s)![Thumbnail Image]()
Loading...
Name
912116M002028.pdf
Size
4 MB
Format
Adobe PDF
Checksum
(MD5):d5f924bb09e71982d275aac1d70106fd