TWQ_Comb

TWQ_Comb

TWQ_CombTWQ_Comb is a ©MS Windows freeware for automatic generation of all possible combinations of selected microprobe analyses and for their processing by the [win]CMP.EXE and [win]TWQ.EXE programs (from the TWQ or winTWQ packages of R.G. Berman et al.) running in the batch mode...

About permutational approach in geothermobarometry

 Let's assume that you have got a great number of micro-probe analyses from a small area of a sample/thin section (e.g. 10 Opx, 10 Grt, 5 Bt and 5 Pl) and are going to estimate P-T parameters using the THERMOCALC and AX programs, or by the TWQ package of R.G. Berman et al. Which combination of analyses demonstrates the "best" (the most closely-grouped) intersections of the curves? In this example, you must check 10×10×5×5=2500 possible combinations...

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