LOCATION CENTENARY SC+FL GA NCEstablished Series
TAXONOMIC CLASS: Sandy, siliceous, thermic Entic Grossarenic Alorthods
TYPICAL PEDON: Centenary sand--cultivated. (Colors are for moist soil.)
Ap--0 to 9 inches; very dark grayish brown (10YR 3/2) sand; single grained; loose; many fine roots; moderately acid; abrupt smooth boundary. (3 to 10 inches thick)
E1--9 to 24 inches; yellowish brown (10YR 5/4) sand; few fine faint pale brown (10YR 6/3) mottles; single grained; loose; common fine roots; few clean sand grains; moderately acid; gradual wavy boundary.
E2--24 to 36 inches; yellowish brown (10YR 5/4) sand; single grained; loose; few fine roots; common coarse prominent strong brown (7.5YR 5/8) mottles, and common medium distinct light gray (10YR 7/2) stripped sand grains; very strongly acid; gradual wavy boundary.
E3--36 to 58 inches; light gray (10YR 7/1) loamy sand; single grained; loose; very strongly acid; clear wavy boundary.
Bh1--58 to 64 inches; dark grayish brown (10YR 4/2) sand; single grained; loose; very strongly acid; gradual wavy boundary.
Bh2--64 to 72 inches; very dark brown (10YR 2/2) loamy sand; weak fine granular structure; very friable; parts of darker areas slightly brittle; most sand grains have organic coatings; few to common medium distinct pale brown (10YR 6/3) bodies; very strongly acid.
TYPE LOCATION: Marion County, South Carolina; about 3 miles east of Marion, in cultivated field 150 feet north of South Carolina Secondary Highway 19.
RANGE IN CHARACTERISTICS:
Depth to the top of the Spodic: 50 to 80 inches
Depth to Bedrock: Greater than 60 inches
Depth to Seasonal High Water Table: 42 to 60 inches, December to March
Soil Reaction: very strongly acid to slightly acid in the A horizon, Very strongly to moderately acid throughout the rest of the profile, except where limed
Thickness of solum: 60 to 80 or more inches
Other features: The particle-size control section averages more than 5 percent silt plus clay
RANGE OF INDIVIDUAL HORIZONS:
A or Ap horizon (if it occurs):
Color--hue of 10YR or 2.5Y, value of 3 to 5, and chroma of 1 to 3
Texture (fine-earth fraction)-- sand, fine sand, loamy sand, or loamy fine sand
E horizon, upper part:
Color--hue of 7.5YR to 2.5Y, value of 5 to 8, and chroma of 3 to 8
Texture (fine-earth fraction)-- sand or fine sand
Redoximorphic features (if they occur)--iron masses in shade of red, yellow, or
E horizon, lower part (immediately above the Bh horizon):
Color--hue of 7.5YR or 10YR, value of 5 to 8, and chroma of 1 to 4
Texture (fine-earth fraction)-- sand, fine sand, loamy sand, or loamy fine sand
Redoximorphic features (if they occur)--iron masses in shade of red, yellow, or
Bh horizon:
Color--hue of 5YR to 10YR, value of 2 to 4, and chroma of 1 or 2, or rarely 3
Texture (fine-earth fraction)-- sand, fine sand, or loamy sand
Redoximorphic features (if they occur)--iron masses in shade of red or yellow
Other features-- does not turn redder on ignition
C horizon:
Color--hue of 10YR, value of 4 to 7, and chroma of 1 to 6
Texture (fine-earth fraction)-- sand, fine sand, or loamy sand
Redoximorphic features (if they occur)--iron masses in shade of red or yellow and depletions of gray
Other features-- additional Bh horizons at greater depths
COMPETING SERIES:
Eglin soils- soils do not have a seasonal high water table within a depth of 5 feet
Rimini soils-- are excessively drained and have less than 5 percent silt plus clay in the particle-size control section
GEOGRAPHIC SETTING:
Landscape: Coastal Plain
Landform: uplands
Hillslope Profile Position: summits, shoulders
Geomorphic Component: interfluves
Parent Material: marine sediments
Elevation: 10 to 100 feet
Mean Annual Air Temperature: 59 to 70 degrees
Mean Annual Precipitation: 38 to 52 inches
Frost Free Period: 190 to 275 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Blanton soils- do not have a spodic horizon and have an argillic horizon
Chipley soils- do not have a spodic horizon
Echaw soils-- have A and E horizons 30 to 50 inches thick
Foreston soils- do not have a spodic horizon and have an argillic horizon
Goldsboro soils- do not have a spodic horizon and have an argillic horizon
Lakeland soils- do not have a spodic horizon and are better drained
Leon soils-- have A and E horizons less than 30 inches thick
Lynchburg soils- do not have a spodic horizon and have an argillic horizon
Lynn Haven soils-- have A and E horizons less than 30 inches thick
Rains soils-- do not have a spodic horizon and have an argillic horizon
Rimini soils-- are excessively drained and have less than 5 percent silt plus clay in the particle-size control section
Rutlege soils-- do not have a spodic horizon and have an umbric epipedon
Witherbee soils-- have A and E horizons less than 30 inches thick
DRAINAGE AND PERMEABILITY:
Drainage Class (Agricultural): well drained or somewhat excessively drained
Internal Free Water Occurrence: deep, common
Index Surface Runoff: negligible to very low
Permeability: moderately rapid
USE AND VEGETATION:
Major Uses: cropland, some forest
Dominant Vegetation: Where cultivated-- corn, soybeans, tobacco, and pasture. Where wooded-- longleaf and loblolly pine, blackjack, turkey, and post oaks.
DISTRIBUTION AND EXTENT:
Distribution: Florida, Georgia, North Carolina, and South Carolina
Extent: moderate
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Raleigh, North Carolina
SERIES ESTABLISHED: Marion County, South Carolina; 1975.
REMARKS: Decision made in 2000 that saturation is typically below 40 inches. Now referring to the 2-chroma colors in the E horizons above 40 inches as stripped sand grains.
Diagnostic horizons and features recognized in this pedon are:
Ochric epipedon - the zone from the surface of the soil to 58 inches (Ap, E1, E2, and E3 horizons)
Albic horizon - the zone from 36 to 58 inches (E3 horizon)
Spodic horizon - the zone from 58 to 72 inches (Bh1 and Bh2 horizons)
ADDITIONAL DATA:
TABULAR SERIES DATA:
SOI-5 Soil Name Slope Airtemp FrFr/Seas Precip Elevation SC0039 CENTENARY 0- 5 59- 70 1900-275 38- 52 10- 100SOI-5 FloodL FloodH Watertable Kind Months Bedrock Hardness SC0039 NONE 3.5-5.0 APPARENT DEC-MAR 60-60
SOI-5 Depth Texture 3-Inch No-10 Clay% -CEC- SC0039 0- 9 S FS 0- 0 100-100 1- 8 1- 3 SC0039 9-58 S FS LS 0- 0 100-100 1- 8 1- 2 SC0039 58-72 S FS LS 0- 0 100-100 2-10 2- 4
SOI-5 Depth -pH- O.M. Salin Permeab Shnk-Swll SC0039 0- 9 4.5- 6.5 .5-1. 0- 0 6.0- 20 LOW SC0039 9-58 4.5- 6.0 0.-.5 0- 0 6.0- 20 LOW SC0039 58-72 4.5- 6.0 .5-2. 0- 0 2.0- 6.0 LOW