Planetary Simulant Database

Free Resource for Regolith Simulant Information

Mineralogy

Component OUEB-1 (wt.%) OUEB-2 (wt.%)
Fe-silicate 30 14
Phono-tephrite 10 10
Quartz 14 16
Dunite 19 19
Anorthosite 12 12
Wollastonite 12 12
Pyrite 0 0
Magnetite 2 2
Apatite 1 1
Gypsum 0 0
Hematite 0 14

Bulk Chemistry

Oxide OUEB-1 (wt.%) OUEB-2 (wt.%)
Na2O 1.33 1.08
MgO 10.71 11.31
Al2O3 7.10 6.21
SiO2 50.44 51.02
P2O5 0.52 0.54
SO3 0.448 0.186
K2O 0.71 0.55
CaO 9.52 10.18
TiO2 0.28 0.20
Cr2O3 0.179 0.160
MnO 0.19 0.12
Fe2O3 19.32 18.80
LOI -1.10 -0.33
Total 100.73 101.31

Physical Properties

See Ramkissoon et al. 2019 for details.

Open University Early Basaltic

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Simulant Name: Open University Early Basaltic
Availability: May Be Available
Fidelity: Standard
Developed By: Open University, United Kingdom
Available From: N/A
Publications: Ramkissoon, N. K. et al. (2019), New simulants for martian regolith: Controlling iron variability. Planetary and Space Science 179, 104722

Four new simulants and modifications were developed to replicate specific terrains on Mars based on rover data. They are chemically accurate with a specific focus on Fe2+/Fe3+ ratios, but are not mineralogically accurate (e.g., they contain significant quartz).

The OUEB simulants (OUEB-1 and -2) are based on an early basaltic terrain from the chemistry of the Zagami shergottite. The -1 designation is for the standard simulants, and the -2 designation is for those with modified Fe2+ concentrations.

The main applications are for astrobiological laboratory simulations. Ramkissoon et al. state that at least 50 kg of each was produced, and more may be made in the future and available to others.

Images

Image of OUEB-1 particles from Ramkissoon et al. 2019: