Soil Survey of Lincoln County, West Virginia - Soil Data Mart - US ...

Soil Survey of Lincoln County, West Virginia
Btg2—35 to 50 inches; light gray (2.5Y 7/1) silty clay loam; common medium
prominent brownish yellow (10YR 6/6) iron concentrations in the matrix; moderate
medium subangular blocky structure; friable; common distinct clay films on faces
of peds; common fine concretions of manganese; very strongly acid; clear smooth
boundary.
Cg—50 to 65 inches; light gray (2.5Y 7/1) silty clay loam; few medium prominent
brownish yellow (10YR 6/6) iron concentrations in the matrix; massive; friable; few
fine concretions of manganese; very strongly acid.
Range in Characteristics
Thickness of the solum: 40 to 60 inches
Depth to bedrock: More than 60 inches
Reaction: Very strongly acid to slightly acid in the A and BA horizons; very strongly
acid or strongly acid in the Bt, BC, and C horizons
Content of rock fragments: 0 to 10 percent throughout
Note: Redox depletions and concentrations throughout the argillic horizon in most
pedons
A horizon:
Hue—10YR
Value—3 to 5
Chroma—3 or 4
Texture—loam, silt loam
BA horizon:
Hue—10YR or 2.5Y
Value—5 or 6
Chroma—3 or 4
Texture—loam, silt loam
Bt or Btg horizon:
Hue—7.5YR to 2.5Y
Value—5 to 7
Chroma—1 to 6
Texture—loam, silt loam, silty clay loam
BC horizon (if it occurs):
Hue—7.5YR to 2.5Y
Value—5 to 7
Chroma—2 to 6
Texture—loam, silt loam, silty clay loam
Cg horizon:
Hue—7.5YR to 2.5Y
Value—4 to 7
Chroma—1 to 8
Texture—loam, silt loam, silty clay loam
Guyandotte Series
Depth class: Very deep
Drainage class: Well drained
Permeability: Moderate or moderately rapid
Landscape position: On the middle and lower side slopes of hills and in north-facing
coves
Parent material: Colluvium derived from sandstone, siltstone, and shales
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