Recent posts

#11

The MELTS family of algorithms, and scientific discussion / Re: Interrogating activities o...

Last post by Paula - December 13, 2024, 11:25:46 AM

Have a look through this thread:
https://magmasource.caltech.edu/forum/index.php/topic,1014.msg1622.html#msg1622

The MATLAB/Python version that Paul refers to is here:
https://magmasource.caltech.edu/gitlist/Workshops.git/tree/main/workshop_files/matlab_python_activities/

#12

The MELTS family of algorithms, and scientific discussion / Re: setting oxygen fugacity fo...

Last post by LeaOst - December 13, 2024, 01:21:41 AM

Dear Melina,

I have the same question regarding the LLD for a volcanic system that I'm studying. I've also been using the "MELTS v1.0.2 fractionation" Jupyter notebook on the ENKI portal server for this and I wanted to know if you figured out how to change/set the oxygen fugacity? (can't access the Slack channel as my email address is not recognized).

Thank you very much in advance for your answer,

Best regards.

Lea Ostorero

#13

MacOS / OpenGL vs. Metal?

Last post by MDNorman - December 07, 2024, 02:42:48 PM

I seem to be having a problem with the requirement for having an OpenGL 3.3 compliant GPU on my Mac when running easyMELTS. In the terminal window I get an error message
"Starting GLFW context, OpenGL 3.3
Linking program.
Validation Failed: No vertex array object bound."
The computer is a desktop circa 2021 running Sonoma (14.6). It has an M1 chip. It seems to be running Metal rather than OpenGL.
easyMELTS does launch but there seem to be some functions missing such as 'Liquidus&RedistFeOx'.
Apologies if I am missing something. Any advice appreciated.

#14

The MELTS family of algorithms, and scientific discussion / Interrogating activities of co...

Last post by Hooper_N - December 02, 2024, 11:24:44 AM

Hi all,

I am curious if there is any way to back track what the activities of the component oxides are?

#15

Website issues, and Miscellaneous / Re: empty tutorial folder in a...

Last post by Paula - November 24, 2024, 10:53:21 AM

The tutorial folder isn't supposed to be in the downloaded package. It was left over (only in the Apple Silicon version) from how alphaMELTS was packaged before the move to GitHub, sorry. The files you need are all in the folder that the README is in: https://github.com/magmasource/alphaMELTS/tree/main/examples/app

You can download individual files by following their links and clicking 'Raw', e.g:
https://github.com/magmasource/alphaMELTS/blob/main/examples/app/Morb.melts

Paula

#16

Website issues, and Miscellaneous / empty tutorial folder in alpha...

Last post by KinjalGanguly - November 24, 2024, 10:28:34 AM

Hi,

I downloaded and installed the standalone app version of alphaMelts for macOS (Apple silicon) (alphamelts-app-2.3.1-macos-arm64). However, the tutorial folder is still empty and I can't locate the Morbs.melt file that is supposed to be there to do the tutorials (following the steps mentioned in the READme page on GitHub (https://github.com/magmasource/alphaMELTS/blob/main/examples/app/README.md).

Can someone please suggest how I get the file?

#17

The MELTS family of algorithms, and scientific discussion / Re: What is the viscosity mode...

Last post by KevinFarries - November 23, 2024, 04:42:30 PM

Thanks Paula, much appreciated!

#18

Windows / Re: Rank deficiency detected b...

Last post by Bhuvan - November 07, 2024, 11:29:02 PM

I'm sorry I had posted a batch file.

hyd.melts and hyd1.melts are exactly the same with just the filenames being different. I have two different batch files referring to each of them, used separately.

#19

Windows / Re: Rank deficiency detected b...

Last post by Paula - November 07, 2024, 12:03:46 PM

Is there a typo in your batch file? The assimilant file that you linked earlier was called hyd1.melts. If you are running it with a batch file and it fails to open the enrichment file then the results could be rather unpredictable.

#20

Windows / Re: Rank deficiency detected b...

Last post by Bhuvan - November 07, 2024, 10:36:12 AM

Hello Paula!

Thank you for your reply!

UPDATE: I copy pasted the files into a different directory and the calculation works again! I'm not sure what was wrong with the original directory that these files were in.

Yes, I was using the exact same .melts files with the same amount of flux added in each step. I am adding the input melts files here for your convenience.

Code Select Expand

Title: Depleted MORB Mantle of Workmann & Hart 2005
Initial Composition: SiO2 44.71
Initial Composition: Al2O3 3.98
Initial Composition: Fe2O3 0.191
Initial Composition: FeO 8.008
Initial Composition: MnO 0.13
Initial Composition: MgO 38.73
Initial Composition: CaO 3.17
Initial Composition: Na2O 0.28
Initial Composition: Cr2O3 0.57
Initial Composition: TiO2 0.13
Initial Composition: NiO 0.24
Initial Trace: K 60
Initial Trace: P 20
Initial Trace: Ni 1886
Initial Trace: Cr 3900
Initial Trace: Mn 822
Initial Trace: Rb 0.050
Initial Trace: Ba 0.563
Initial Trace: Th 0.0079
Initial Trace: U 0.0032
Initial Trace: Nb 0.1485
Initial Trace: Ta 0.0096
Initial Trace: La 0.192
Initial Trace: Ce 0.550
Initial Trace: Pb 0.018
Initial Trace: Pr 0.107
Initial Trace: Nd 0.581
Initial Trace: Sr 7.664
Initial Trace: Zr 5.082
Initial Trace: Hf 0.157
Initial Trace: Sm 0.239
Initial Trace: Eu 0.096
Initial Trace: Ti 716.3
Initial Trace: Gd 0.358
Initial Trace: Tb 0.070
Initial Trace: Dy 0.505
Initial Trace: Ho 0.115
Initial Trace: Y 3.328
Initial Trace: Er 0.348
Initial Trace: Yb 0.365
Initial Trace: Lu 0.058
Initial Temperature: 1350.0
Initial Pressure: 20000
Log fO2 Path: FMQ
Log fO2 Delta: 0.0

Assimilant:

Code Select Expand

Title: hydrousfluid   
Initial Composition: SiO2 20.0
Initial Composition: TiO2 0.001
Initial Composition: Al2O3 0.001
Initial Composition: Fe2O3 0.001
Initial Composition: FeO 0.001
Initial Composition: MgO 0.001
Initial Composition: CaO 0.001
Initial Composition: Na2O 5.0
Initial Composition: K2O 2.0
Initial Composition: H2O 73.0 
Initial Mass: 0.01 
Initial Trace: La 37 
Initial Trace: Ce 80 
Initial Trace: Pr 9.7 
Initial Trace: Nd 38.5 
Initial Trace: Sm 10
Initial Trace: Eu 3
Initial Trace: Gd 7.62
Initial Trace: Tb 1.05
Initial Trace: Dy 5.6
Initial Trace: Ho 1.06
Initial Trace: Er 2.62
Initial Trace: Yb 2.16
Initial Trace: Lu 0.3
Log FO2 Path: FMQ
Log fO2 Delta: 0.0

The batch file:

Code Select Expand

1
DMM.melts
3
0
olivine
x
4
250
1
-1
hyd.melts

Thanks again for your time!