Soil Survey of Murray and Whitfield Counties, Georgia

Murray and Whitfield Counties, Georgia 167
few distinct clay films on faces of peds; few small pebbles; few medium prominent
light yellowish brown (10YR 6/4) iron depletions; strongly acid; gradual wavy
boundary.
Bt3—22 to 35 inches; brownish yellow (10YR 6/8) clay; moderate coarse subangular
blocky structure; very firm; few fine and medium roots; common distinct clay films
on faces of peds; few soft black manganese concretions; common medium faint
reddish yellow (7.5YR 6/8) masses of oxidized iron; few medium prominent light
yellowish brown (10YR 6/4) and few medium prominent light gray (10YR 7/2) iron
depletions; strongly acid; gradual wavy boundary.
Bt4—35 to 55 inches; brownish yellow (10YR 6/8) clay; strong coarse subangular
blocky structure; very firm; few fine and medium roots; common distinct and few
prominent clay films on faces of peds; common soft black manganese concretions;
many medium faint strong brown (7.5YR 5/8) masses of oxidized iron; common
medium faint light gray (10YR 7/2) and few medium prominent light yellowish
brown (10YR 6/4) iron depletions; moderately acid; abrupt wavy boundary.
R—55 inches; hard limestone bedrock.
Range in Characteristics
Thickness of the solum: 40 to 60 inches
Depth to soft bedrock: 40 to more than 60 inches
Depth to hard bedrock: 40 to more than 60 inches
Content of rock fragments: 0 to 10 percent throughout
Reaction: Strongly acid or moderately acid throughout
A or Ap horizon:
Color—hue of 10YR, value of 4 or 5, and chroma of 2 to 4
Mottles—in shades of brown
BA horizon (where present):
Color—hue of 10YR, value of 5 or 6, and chroma of 4 or 6
Texture—silt loam
Bt horizon:
Color—hue of 7.5YR or 10YR, value of 4 to 6, and chroma of 4 to 8
Texture—silty clay loam, silty clay, or clay
Redoximorphic features—few to many in shades of red, yellow, brown, and gray;
few to common soft black manganese concretions
BC or C horizon (where present):
Color—hue of 10YR, value of 5 or 6, and chroma of 2 to 6; or variegated in shades
of yellow, brown, and gray
Texture—clay loam or clay
Redoximorphic features—few to many in shades of yellow, brown, and gray
R horizon:
Type of bedrock—hard limestone
Cataska Series
Major land resource area: Southern Blue Ridge
Landform: Mountains
Parent material: Residuum from phyllite, graywacke, and metasandstone
Depth class: Shallow
Drainage class: Excessively drained