Hi, Theriak-Domino users. When I want to calculate isopleth of X(Na, M2) in omphacite, just like Thermocalc, using Domino 2017 and database of Holland & Powell (1998+), I figure out that it can not be calculated directly since I need to distinguish Na(M2c) from Na(M2n). Anybody has clues for this issue? Thanks in advance . shilin
how to calculate X(Na, M2) in omphacite using Theriak-Domino?
- Erik Duesterhoeft
- Site Admin
- Posts: 16
- Joined: 04 Nov 2015, 08:53
Re: how to calculate X(Na, M2) in omphacite using Theriak-Domino?
Hi, unfortunatley this part is hard-coded. The site-occupancies, which can be plot with domino, depend on the definition of sites in the database and you cannot change the sites without changing the solution model.
I hope this will help you
***** SOLUTION DATA *****
OMPH (-SITE,MARGULES)1/2 M1m(1):Mg,Fe,F3,Al - M1a(1):Mg,Fe,F3,Al - M2c(1):Na,Ca - M2n(1):Na,Ca
jadeite Al - Al - Na - Na
diopside Mg - Mg - Ca - Ca
hedenbergite Fe - Fe - Ca - Ca
! acmite F3 - F3 - Na - Na
omphacite Mg - Al - Ca - Na
clinoFM Fe - Mg - Ca - Ca
! jadacm Al - F3 - Na - Na
However, I suggest the following workaround. Run a pixmap with domino. Then sum up all Na-bearing endmembers, e.g. x_jd_[om] + x_om_[om] in MATLAB/Octave and make a contour plot using for example my pix2mat.m script file (you find it on my website or on ResearchGate).I hope this will help you
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