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MacArgon allows for the simulation of argon retention in minerals and rocks. Arbitrary pressure-temperature-time paths can be input that a rock must follow, and calculations are performed as to the diffusion of argon from the mineral grains in question. The program allows fact distributions of diffusion domain size and volume that allow replication of data obtained from temperature-controlled furnace-step-heating experiments in an ultra-high-vacuum mass spectrometer designed to measure the concentration of the isotopes of argon. By considering bulk fusion the program also replicates the answers likely to be obtained using

What's New

Version 3.0.4:
  • Version 3 of MacArgon allows output from the eArgon program to be imported. Use eArgon to infer diffusion parameters from a temperature-controlled furnace-step-heating experiment. Then import those parameters into MacArgon to use them to constrain forward-modelling experiments to ascertain the effect of specific pressure-temperature-time paths on the argon spectrum (or last spot


  • macOS 10.12 or later

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Current Version (3.x)


Downloads 39
Version Downloads 9
License Free
Date 05 Nov 2017
Platform Intel 64 / OS X
Price $139.99