Planetary Simulant Database

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Colorado School of Mines CSM-MGS-1S

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Simulant Name: CSM-MGS-1S Mars Sulfate ISRU
Availability: Available
Fidelity: Standard
Developed By: Colorado School of Mines
Available From: Simulants at Mines
Publications: Cannon, K. M., D. T. Britt, T. M. Smith, R. F. Fritsche, and D. Batcheldor (2019), Mars Global Simulant MGS-1: A Rocknest-based Open Standard for Basaltic Martian Regolith Simulants. Icarus, 317, 470-478.

MGS-1S is a modified version of the root CSM-MGS-1 simulant, and is enriched in the polyhydrated sulfate gypsum. This represents the Reference Case “B” in the NASA Mars Water In-Situ Resource Utilization Study, led by Angel Abbud-Madrid of CSM.

MGS-1S is specifically designed for ISRU water extraction studies; the M-WIP study concluded that polyhydrated sulfate deposits represent a clear advantage over bulk regolith or clay-bearing deposits in terms of mass and power, and may be much easier to access and excavate than permafrost deposits.

Refinement and testing are wrapping up before the simulant becomes more widely available for $3/kg.