Name: MGS-1 Mars Global Simulant
Brand: Exolith Lab
Price: 35.0 USD
Availability: InStock

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1 kilogram = 2.2 pounds

All Exolith Lab products are intended for research and STEM education purposes. By purchasing, you agree that the product will be used for research and STEM education purposes.

Simulant Name: MGS-1 Mars Global Simulant
Current Status: Available
Developed By: University of Central Florida

Spec Sheet SDS Citation

Mars Global Simulant (MGS-1) is a mineralogical standard for basaltic soils on Mars, developed based on quantitative mineralogy from the MSL Curiosity rover. It is designed to replicate the Rocknest windblown soil, that is chemically similar to other basaltic soils at disparate landing sites and thus constitutes a “global” basaltic soil composition. MGS-1 is made by sourcing individual minerals, including a proper treatment of the X-ray amorphous component. This is in contrast to previous Mars simulants that were usually sourced from a single terrestrial deposit (basalt or palagonite).

Modified versions include MGS-1S Sulfate ISRU and MGS-1C Clay ISRU, specifically designed for water extraction applications. The root MGS-1 simulant is appropriate to test water extraction from bulk regolith.

The mineral recipe and production methods are available for anyone to reproduce and modify MGS-1 based simulants as they see fit. We are distributing MGS-1 through the CLASS Exolith Lab.

Mineralogy

The mineralogy below is the most up-to-date, superseding that described in Cannon et al. 2019.

Mineral	Wt.%
Plagioclase	27.1
Glass-rich basalt	22.9
Pyroxene	20.3
Olivine	13.7
Mg-sulfate	4.0
Ferrihydrite	3.5
Hydrated silica	3.0
Magnetite	1.9
Anhydrite	1.7
Fe-carbonate	1.4
Hematite	0.5

Bulk Chemistry

This table shows the relative abundances of each element detected by X-ray fluorescence (XRF). The relative abundances of elements detected by XRF in geological samples are quantified as oxides. In the simulant, these elements are contained in the minerals described in the Mineralogy table above, and not necessarily in oxide form. These data are from the Hamilton Analytical Lab.

Oxide	Wt%
SiO₂	42.9
TiO₂	0.6
Al₂O₃	12.8
FeO	11.2
MnO	0.1
MgO	14.6
CaO	7.4
Na₂O	1.5
K₂O	0.6
P₂O₅	0.1
LOI*	5.3
Total**	97.1

_{*Loss on ignition}

_{**Excluding volatiles and trace elements; see spec sheet.}

Physical Properties

Mean Particle Size: 90 µm

Particle Size Range: <0.04 µm – 1000 µm

Bulk density*: 1.29 g/cm3

Angle of Repose (Avg): 38.8°

*Note that bulk density is not an inherent property and depends on the level of compaction

We would love to hear about the success of your research. If you have any information you'd like to share with us, please send us an email at exolithlab@ucf.edu.

Photo Credit: Abigail Glover, Exolith Lab