Desert Pavement and Vesicular Layer of Some Soils of the Desert of the Lahontan Basin, Nevada
- M. E. Springer
Desert pavement and vesicular layer are described as distinct horizons of some Gray Desert soils. Distribution of > 2-mm. and < 2-mm. particles in the profile along with laboratory tests suggest that accumulation of gravel and stones at the surface to form a desert pavement is not due solely to removal of finer material by wind or water. There has also been some upward movement of coarse fragments from the nearly stone-free layers below.
Some properties of vesicular layers are pointed out by field and laboratory studies. Natural vesicular structure was destroyed by sieving and a new, but similar, structure formed by merely wetting and drying the soil. This led to a hypothesis for origin of the vesicular layer as a pedogenic horizon.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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