A Comparison of Soils from Twentynine Palms, California and Saudi Arabia
Technical rept. Oct 1990-Jan 1991
ARMY ENGINEER TOPOGRAPHIC LABS FORT BELVOIR VA
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Soil samples collected at Twentynine Palms, California, and in eastern Saudi Arabia were analyzed for particle size distribution, moisture content, spectral reflectance characteristics and soil color. The results of the comparison show that, overall, the Twentynine Palms samples are a finer grain size than the eastern Saudi Arabian samples. Soil moisture in both sets of samples is low. The samples from eastern Saudi Arabia contain quantities of calcite and gypsum not found in the Twentynine Palms samples. The spectral reflectance of the soils from eastern Saudi Arabian is overall higher than that for the Twentynine Palms soils, and shows variations in infrared reflectance due to chemical differences that are not seen in the Twentynine Palms soils.
- Geology, Geochemistry and Mineralogy