paleosol


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paleosol

[′pāl·ē·ə‚sȯl]
(geology)
A soil horizon that formed on the surface during the geologic past, that is, an ancient soil. Also known as buried soil; fossil soil.
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La composante la plus profonde, associee a un paleosol epais, contient de nombreux atres, debitages et petites pointes triangulaires semblables a ceux apercus au site du village de Healy Lake.
Progressively younger dunes would also be expected when they are remobilized, as indicated by OSL dates 3 and 4 from this study on either side of a paleosol.
The road cut exposes about 10 paleosol sequences developed one on top of each other on successive volcanic ash fall deposits.
A nine-meter thick Paleocene paleosol present in the Las Virgenes Sandstone, Santa Monica Mountains, California, probably represents an ancient soil formed in a tropical climate.
137] analyses, based on its relatively homogeneous, fine grained texture, its low organic content, and lack of unconformities (with the exception of the 1877-1890 paleosol found in all IVEX reservoir cores).
Third-stage deposits lie on the second-stage sediments with a slight angular unconformity and, moreover, the transition is marked by paleosol remnants.
This paleosurface is locally coated by a dm-thick rusty crust that can be interpreted as an early paleosol that rests at the base of the Middle Jurassic Genna Selole Fm deposits.
The cultural deposit here can be characterized as a paleosol whose surface includes a low density of cultural material that appears to have been discarded upon it in a more-or-less random fashion.
Interpreting a paleosol may be hindered by eroded or partially preserved horizons, complex climatic and environmental histories, and in the case of buried paleosols, alteration of one or more soil horizons by infiltration of material from overlying units.