|
Approximately 3grams of coarse
fraction lunar soil simulant, average of 5mm Dia.
First
step on the surface of the moon.
|
3g of coarse lunar soil simulant.
Soil simulant pieces are approximately 5mm in diameter.
These are great for small-scale experiments, space enthusiast,
and collectors.
A new lunar soil simulant,
JSC-1, has been developed and characterized under the auspices of the
NASA Johnson
Space Center. This simulant was produced in large quantities to satisfy
the requirements of a variety of scientific and engineering investigations.
JSC-1 is derived from volcanic ash of basaltic composition, which
has been ground, sized, and placed into storage. The
simulant's chemical composition, mineralogy, particle size distribution,
specific gravity, angle of internal friction, and cohesion have been
characterized and fall within the ranges of lunar mare soil samples1.
|
|
Major Element Compositions
|
Oxide
|
JSC-1
(mean of 3)
|
Lunar
Soil
14163*
|
|
|
Conc.
|
Conc.
|
|
|
Wt
%
|
Wt
%
|
|
SiO2
|
47.71
|
47.3
|
|
TiO2
|
1.59
|
1.6
|
|
Al2O3
|
15.02
|
17.8
|
|
Fe2O3
|
3.44
|
0.0
|
|
FeO
|
7.35
|
10.5
|
|
MgO
|
9.01
|
9.6
|
|
CaO
|
10.42
|
11.4
|
|
Na2O
|
2.70
|
0.7
|
|
K2O
|
0.82
|
0.6
|
|
MnO
|
0.18
|
0.1
|
|
Cr2O3
|
0.04
|
0.2
|
|
P2O5
|
0.66
|
---
|
|
LOI
|
0.71
|
---
|
|
Total
|
99.65
|
99.8
|
|
LOI = Loss on ignition * Papike
et al (1982)
|
|
Trace Element Concentrations in JSC-1
|
Element
|
Conc.
(ppm)
|
Std.
Dev.
(ppm)
|
Element
|
Conc.
(ppm)
|
Std.
Dev.
(ppm)
|
|
Sc
|
29.2
|
0.5
|
Yb
|
1.99
|
0.04
|
|
Co
|
47.7
|
1.6
|
Zr
|
125
|
3
|
|
Ni
|
137
|
18
|
Hf
|
3.55
|
0.08
|
|
Rb
|
12.3
|
1.5
|
Ta
|
1.96
|
0.04
|
|
Cs
|
0.339
|
0.012
|
U
|
1.51
|
0.08
|
|
Sr
|
860
|
36
|
Th
|
5.65
|
0.07
|
|
Ba
|
822
|
13
|
As
|
18.7
|
8.9
|
|
La
|
48.2
|
0.9
|
Se
|
<
0.5
|
0.0
|
|
Ce
|
94.6
|
1.7
|
Sb
|
0.564
|
0.569
|
|
Nd
|
42
|
2
|
W
|
36.1
|
2.6
|
|
Sm
|
7.44
|
0.13
|
Au (ppb)
|
40.7
|
29.4
|
|
Eu
|
2.18
|
0.04
|
Br
|
0.85
|
0.07
|
|
Tb
|
0.825
|
0.012
|
Lu
|
0.293
|
0.007
|
1Link
to JSC-1 lunar soil simulant website,
McKay, D.S., et al.
|
