Release history of Petrolog




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PETROLOG 3.1.1.3 (August 19, 2012)

Release Notes to Petrolog 3.1.1.3:

Modified calculations of trace element concentrations in minerals. The effective Kd values are now independent from the total trace element content in the mineral, and are exactly the same as is set in the interface.

An minor error in calculating Ni content in olivine when using the olivine-melt models of Beattie, 1993 and Beattie 91 is corrected.

Output values for oxygen fugacity (lgfO2) were incorrect in calculations with melt-mineral models of Ariskin & Barmina, 1999 for Ilmenite and Ariskin & Barmina, 1999 for magnetite. This did not affect the dNNO values and the calculations of mineral and melt compositions and temperatures. This is now fixed.

Calculation of H2O content in minerals by setting Kd values for each mineral is now enabled. Calculations are identical to those for trace elements and are described in the Manual.


PETROLOG-3.1.1.2 (May 29, 2011)

Release Notes to Petrolog 3.1.1.2:

An error was identified in the "Correction for H2O content" form, which lead to the "Set default" button being disabled for any mineral, once the "use Faloon, Danyushevsky (2000)" box is checked when setting the H2O correction for olivine. This is now fixed, and the "Set default" button remains enabled regardless of the state of the "use Faloon, Danyushevsky (2000)" box.

Errors in references to Roeder and Emslie (1970) and Bolkhovskaya et al (1995) within the software are corrected.

Within the Manual, the description of the "Reconstructing the initial trapped composition of the MI" section (section 5.1.) is expanded to better explain the structure of the output file.

A list of references is added to the end of the Manual


PETROLOG-3.1.1.1 (March 9, 2011)

Release Notes to Petrolog 3.1.1.1:

An error was identified in the "Melt Liquidus Association" option in version 3.1.1.0, which resulted in the calculation results not being displayed and not being saved to .csv files. This is now fixed.

The redundant "Melt fraction" column is removed from the output files with mineral compositions which are generated by the "Melt Liquidus Association" option.


PETROLOG-3.1.1.0 (January 19, 2011)

Release Notes to Petrolog 3.1.1.1:

The 'open data file' dialog now remembers the directory from which the data file was loaded.

In the 'Reconstruct MI' section of the 'Olivine MI' option, the fields for 'host Fo' and 'initial inclusion FeO content' were incorrectly filled when a different analysis is loaded for calculations from the opened data file. This is now fixed.

The intermediate output frequency for the 'Reconstruct MI' option is decreased.

Petrolog3 Manual was amended to adequately describe the format of the data file for the 'Reconstruct MI' option.

In the case of crystallisation calculations in equilibrium or semi-fractional modes, intermediate outputs during equilibrium or semi-fractional crystallisation now always show compositions of all minerals that exist in the magma.

In the case of crystallisation calculations in equilibrium or semi-fractional modes, the minerals with the highest dT/dP for their liquidus temperatures were in some cases dissolving to an erroneously low extent during decompression crystallisation. This is now fixed.

In the case of crystallisation calculations in equilibrium or semi-fractional modes, the algorithm now aborts calculations if the system becomes unstable at high degrees of crystallisation due to incompatibility of mineral-melt equilibrium models used.

In the Crystallisation option, stopping calculations using a temperature value didn't work correctly. This is now fixed.

The 'Melt Liquidus Association' option now generates a separate .csv file with calculations parameters, as other options do.


PETROLOG-3.1.0.8 (January 14, 2011)
PETROLOG-3.0.0.7 (November 24, 2008)
PETROLOG-2.1.4 (June 2005)

Supported by  project "All about Geology"