University of Idaho College of Agricultural and Life Sciences Plant, Soil & Entomological Sciences Soil & Land Resources
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Aridisols

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example 5

Typic Petroargid
southern New Mexico

This shallow soil formed in alluvial sediments in a basin of the Basin and Range province. Native vegetation consists of black grama, snake-weed, mesquite, and yucca. The thick CaCO3-cemented (Bkm) horizon is known as a petrocalcic horizon or caliche.
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  Examples:
1. Argid/Cambid landscape
central Arizona
2. Haplocalcid landscape
southern Idaho
3. Xeric Haplocalcid
4. Typic Aquisalid
central Nevada
5. Typic Petroargid
southern New Mexico
6. Argidurid landscape
southern Idaho
7. Xeric Argidurid
southern Idaho
8. Duripan exposure
southern Idaho
If you have any comments, suggestions, or questions about the 12 Soil Orders web site,
please contact Dr. Paul McDaniel at the Soil Science Division,
University of Idaho, Moscow, ID 83844-2339.