An official website of the United States government.

The .gov means it's official.
Federal government websites always use a .gov or .mil domain. Before sharing sensitive information online, make sure you're on a .gov or .mil site by inspecting your browser's address (or "location") bar.

This site is also protected by an SSL (Secure Sockets Layer) certificate that's been signed by the U.S. government. The https:// means all transmitted data is encrypted - in other words, any information or browsing history that you provide is transmitted securely.

Thesaurus Search Results

soil parent materials
Subject Category
P Natural Resources, Earth and Environmental Sciences
Definition
The unconsolidated, chemically weathered mineral or organic matter from which the upper layers (i.e., where living roots are primarily found) of soil develop.
Definition Source
Schwarz, Charles F.; Thor, Edward C.; Elsner, Gary H. 1976. Wildland planning glossary. Gen. Tech. Rep. PSW-13. Berkeley, Calif.: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station
RDF/XML Format:
http://lod.nal.usda.gov/nalt/42771.rdf
Persistent URI:
http://lod.nal.usda.gov/nalt/42771
Broader Term
geology
Related Term
parent rock
rocks
sediments
soil formation
soil weathering
Spanish
elementos primarios del suelo
Term Number
42771