JEZ-1 Jezero Delta Simulant

JEZ-1 Jezero Delta Simulant

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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.

Developed By: University of Central Florida
Available From: CLASS Exolith Lab
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.

Spec Sheet  SDS  Citation 

The Jezero Delta Simulant (JEZ-1) was made to simulate anticipated materials in the Jezero Crater deltas that will be investigated by the NASA Mars 2020 rover. The simulant is a mixture of MGS-1 mineralogy with smectite clay, Mg-carbonate, and additional olivine that have all been detected from orbital remote sensing in the Jezero delta deposits.

The state of lithificaiton, mineralogy, and grain size distribution are likely variable throughout the Jezero deltas; JEZ-1 represents unconsolidated material, but can be compacted under various pressures to form a more cohesive solid.

Mineralogy

Mineral Wt.%
Olivine 32.0
Plagioclase 16.0
Glass-rich basalt 13.5
Pyroxene 12.0
Mg-carbonate 11.0
Smectite 6.0
Mg-sulfate 2.4
Ferrihydrite 2.1
Hydrated silica 1.8
Magnetite 1.1
Anhydrite 1.0
Fe-carbonate 0.8
Hematite 0.3

Bulk Chemistry

Oxide Wt%
SiO2 39.8
Al2O3 9.8
CaO 8
Fe2O3 17.5
K2O 0.9
MgO 19.7
MnO 0.2
P2O5 0.9
TiO2 0.3
SO3 1.6
Cl 0.4
Cr2O3 0.4
NiO 0.4
SrO 0.1
Total 99.9

 

 

Physical Properties

Particle size range: <0.04 – 500 μm
Mean particle size (by volume): 70 μm
Bulk density*: 1.54 g/cm3
*Note that bulk density is not an inherent property and depends on the level of compaction

Photo Credit: Matthew Villegas, Exolith Lab