SOIL PROFILE DESCRIPTIONS 



Unit 10. — Lithic ArgixeroII (shallow mixed mesic) 



Parent Material: Gneiss, schist, migmatites Landform: High mountain ridge, scarp slope 



Slope: 18 percent, south aspect Erosion: Inherent erosion hazard moderate 



Drainage: Well to somewhat excessively drained Vegetation: Low sagebrush, rabbitbrush, 



Elevation: 



8,200 ft. 



Indian paintbrush, carex spp. 



Horizon 



Deptli 

 (inches) 



Description 



All 



0-1 



Dark yellowish brown (lOYR 4/4) gravelly sandy loam, dark 

 yellowish brown (lOYR 3/4) moist, weak medium subangular blocky 

 structure; very friable; 25 percent gravel; neutral (pH 7.0), clear 

 smooth boundary. 



A12 



1-5 



Dark brown to brown (lOYR 4/3) gravelly loam, dark brown (lOYR 

 3/3) moist, weak medium subangular blocky structure; sUghtly hard, 

 friable; 35 percent gravel, neutral (pH 7.0); abrupt smooth boundary. 





5-9 



brown (lOYR 4/4) moist; moderate fine subangular blocky structure; 

 slightly hard, firm; 75 percent gravel; neutral (pH 6.8); abrupt irregular 

 boundary. 



c 



9-12 



Brown (lOYR 5/3) extremely cobbly loam, moderate fine subangular 

 blocky structure; 80 percent cobble and gravel. 



R 



12-14+ 



Hard, but well fractured, bedrock of pegmatite and gneissic rocks. 



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