Sample
Name
CT-1543b
Date
2017-01-01
Body name
Earth
Terrain type
mineral surface
Place
San Martin , Jalisco , Mexico

Coordinates

System
WGS84
Thickness
355.0 ± 5.0 μm
Sample changes
Exposed to low temperature, water molecules in opal crystallize, inducing significant variation in shape and position of the bands at 5200 cm-1 and 7000 cm-1
Comments
origin: hydrothermal
Temperature
-51.8 ± 3.0 C
Comments
temperature deduced from the ice-related NIR bands observed in the sample (temperature measured in the cell = -94°C)
Type
ambient air
Fluid temperature
20.0 ± 3.0 C
Fluid pressure
1.0 ± 0.05 bar
Number
1
Layers