LOCATION CHASTAIN SC+AL GA MS NC VAEstablished Series
TAXONOMIC CLASS: Fine, mixed, semiactive, acid, thermic Fluvaquentic Endoaquepts
TYPICAL PEDON: Chastain loam, forested. (Colors are for moist soil.)
A--0 to 5 inches; dark grayish brown (10YR 4/2) loam; weak fine granular structure; very friable; many fine and medium roots; common fine and medium pores; strongly acid; clear smooth boundary. (2 to 12 inches thick)
Bg1--5 to 10 inches; light brownish gray (10YR 6/2) clay loam; weak medium subangular blocky structure; friable; few fine roots; common fine pores; few coarse distinct brownish yellow (10YR 6/6) masses of oxidized iron and few medium distinct dark grayish brown (10YR 4/2) iron deletions; very strongly acid; gradual wavy boundary.
Bg2--10 to 30 inches; gray (10YR 5/1) clay; moderate medium subangular blocky structure; very firm; few fine roots; thin strata of fine sand; common medium distinct yellowish brown (10YR 5/8) masses of oxidized iron and few fine distinct light gray (10YR 7/1) iron depletions; very strongly acid; gradual smooth boundary.
Bg3--30 to 52 inches; gray (10YR 5/1) clay; moderate medium subangular blocky structure; very firm; thin strata of fine sand; few fine distinct yellowish brown (10YR 5/8) masses of oxidized iron and few fine distinct light gray (10YR 7/1) iron depletions; very strongly acid; gradual wavy boundary. (Combined thickness of Bg horizon is 20 to more than 60 inches.)
2Cg--52 to 72 inches; gray (10YR 6/1) and gray (10YR 5/1) sand; single grained; loose; few flakes of mica; very strongly acid.
TYPE LOCATION: Dillon County, South Carolina; 3.25 miles northwest of Latta on South Carolina Secondary Highway 48, about 2.5 miles northwest on South Carolina Secondary Highway 29, southwest on dirt road about one-half mile, and about 200 feet north of road.
RANGE IN CHARACTERISTICS:
Depth to Bedrock: Greater than 80 inches
Depth to Seasonal High Water Table: 0 to 12 inches, November to May
Rock Fragment content: 0 to 5 percent by volume
Soil Reaction: Extremely acid to moderately acid with moderately acid restricted to depths below 40 inches, unless limed
RANGE OF INDIVIDUAL HORIZONS:
A horizon or Ap horizon (where present):
Color--hue of 7.5YR to 5Y, value of 2 to 6, chroma of 1 to 6, or is neutral with value of 4 to 7
Texture (fine-earth fraction)--loam, silt loam, silty clay loam, silty clay, clay loam, or clay
Redoximorphic features (where present)masses of oxidized iron in shades of red, yellow, or brown and iron depletions in shades of brown, yellow, olive, or gray
Bg horizon:
Color--hue of 10YR to 5GY (rarely 5BG), value of 4 to 7, chroma of 1 or 2, or is neutral with value of 4 to 7
Texture (fine-earth fraction)--silty clay loam, clay loam, silty clay, or clay, with particle-size control section averaging more than 25 percent silt
Redoximorphic features (where present)--masses of oxidized iron in shades of red, yellow, or brown and iron depletions in shades of brown, yellow, olive, or gray
Cg horizon (where present):
Color--hue of 10YR to 5GY (rarely 5BG), value of 4 to 7, chroma of 1 or 2, or is neutral with value of 4 to 7
Texture (fine-earth fraction)--sandy clay loam, silty clay loam, clay loam, silty clay, or clay
Redoximorphic features (where present)--masses of oxidized iron in shades of red, yellow, or brown and iron depletions in shades of brown, yellow, olive, or gray
2Cg horizon:
Color--hue of 10YR to 5GY (rarely 5BG), value of 4 to 7, chroma of 1 or 2, or is neutral with value of 4 to 7
Texture (fine-earth fraction)--variable, ranging from sandy to clayey material
Redoximorphic features (where present)--masses of oxidized iron in shades of red, yellow, or brown and iron depletions in shades of brown, yellow, olive, or gray
COMPETING SERIES:
No known series in same family, subactive or active families.
GEOGRAPHIC SETTING:
Landscape: Coastal Plain river valley
Landform: Flood plains
Geomorphic Component: Treads
Parent Material: Alluvium
Elevation (type location): 10 to 90 feet
Mean Annual Air Temperature: 59 to 70 degrees
Mean Annual Precipitation: 38 to 52 inches
Frost Free Period: 190 to 245 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Bibb soils--have less than 35 percent clay
Byars soils--have argillic horizons and are on higher areas
Capers soils--saturated with salt water and contain more than 1 percent sulfur and more than 5000 PPM salt
Cantey soils--have argillic horizons and are on higher areas
Chewacla soils--have dominant chroma of more than 2 in the upper 20 inches of the soil
Johnston soils--have an umbric epipedon more than 24 inches thick and less than 18 percent clay in the particle-size control section
Leaf soils--have argillic horizons and are on higher areas
Riverview soils--have dominant chroma of more than 2 in the upper 20 inches of the soil
Shellbluff soils--have dominant chroma of more than 2 in the upper 20 inches of the soil
Tawcaw soils--have dominant chroma of more than 2 in the upper 20 inches of the soil
Wehadkee soils--have less than 35 percent clay
DRAINAGE AND PERMEABILITY:
Drainage Class (Agricultural): Poorly drained
Internal Free Water Occurrence: Very shallow, persistent
Flooding Frequency and Duration: Frequent or occasional for brief to very long periods
Ponding Frequency and Duration: None
Index Surface Runoff: Negligible or ponded
Permeability: Slow
USE AND VEGETATION:
Major Uses:
Dominant Vegetation: Where cultivated--pasture. Where wooded--tupelo and cypress are common in the ponded or frequently flooded areas, areas that are not ponded or frequently flooded are typically green ash, cottonwood, sweetgum, water oak, willow oak, and cherry-bark oak.
DISTRIBUTION AND EXTENT:
Distribution: Alabama, Arkansas, Florida, Georgia, Louisiana, North Carolina, Oklahoma, South Carolina, Texas, and Virginia
Extent: Large
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Raleigh, North Carolina.
SERIES ESTABLISHED: Grady County, Georgia; 1908.
REMARKS: The July 2009 revision corrects the error on flooding duration. Flooding for this soil has always been very brief to very long.
Diagnostic horizons and features recognized in this pedon are:
Ochric epipedon--the zone from the surface of the soil to 5 inches (A horizon)
Aquic conditions--the zone from 5 inches to a depth of 80 inches is periodically saturated (endosaturation)
ADDITIONAL DATA:
TABULAR SERIES DATA:
SOI-5 Soil Name Slope Airtemp FrFr/Seas Precip Elevation
SC0035 CHASTAIN 0-2 57-70 190-245 38-52 10-90
SC0152 CHASTAIN 0-2 57-70 190-245 38-52 10-90
SOI-5 FloodL FloodH Watertable Kind Months Bedrock Hardness SC0035 COMMON 0-1.0 APPARENT NOV-MAY >80 - SC0152 COMMON 0-1.0 APPARENT NOV-MAY >80 -SOI-5 Depth Texture 3-Inch No-10 Clay% -CEC- SC0035 0-5 SICL SIL L 0-0 100-100 15-35 10-25 SC0035 0-5 SIC CL C 0-0 100-100 27-50 15-30 SC0035 5-52 SICL CL C 0-0 100-100 35-60 7-45 SC0035 52-72 LS S FS 0-0 85-100 2-10 1-5
SC0152 0-5 SICL SIL L 0-0 100-100 15-35 10-25 SC0152 0-5 SIC CL C 0-0 100-100 27-50 15-30 SC0152 5-52 SICL CL C 0-0 100-100 35-60 7-45 SC0152 52-72 LS S FS 0-0 85-100 2-10 1-5
SOI-5 Depth -pH- O.M. Salin Permeab Shnk-Swll SC0035 0-5 3.5-6.0 1.0-6.0 0-0 0.2-0.6 MODERATE SC0035 0-5 3.5-6.0 1.0-6.0 0-0 0.06-0.2 MODERATE SC0035 5-52 3.5-6.0 0.2-3.0 0-0 0.06-0.2 MODERATE SC0035 52-72 3.5-6.0 0.2-3.0 0-0 6.0-20 LOW
SC0152 0-5 3.5-6.0 1.0-6.0 0-0 0.2-0.6 MODERATE SC0152 0-5 3.5-6.0 1.0-6.0 0-0 0.06-0.2 MODERATE SC0152 5-52 3.5-6.0 0.2-3.0 0-0 0.06-0.2 MODERATE SC0152 52-72 3.5-6.0 0.2-3.0 0-0 6.0-20 LOW