LOCATION PAXVILLE SC+AL NCEstablished Series
TAXONOMIC CLASS: Fine-loamy, siliceous, semiactive, thermic Typic Umbraquults
TYPICAL PEDON: Paxville fine sandy loam--cultivated. (Colors are for moist soil, unless otherwise indicated.)
Ap--0 to 9 inches; black (10YR 2/1) fine sandy loam; weak medium subangular blocky structure; friable, nonsticky, nonplastic; many fine roots; many fine pores; few clean quartz grains; very strongly acid; clear smooth boundary.
A--9 to 15 inches; black (10YR 2/1) fine sandy loam, very dark grayish brown (10YR 3/2) dry; weak medium subangular blocky structure; friable, nonsticky, nonplastic; common fine roots; many fine pores; very strongly acid; clear smooth boundary. (Combined thickness of the A horizons is 10 to 24 inches.)
Btg1--15 to 30 inches; very dark grayish brown (10YR 3/2) fine sandy loam; weak medium subangular blocky structure; friable; slightly sticky; moderately plastic; common fine roots; common fine pores; many clay bridging between sand grains; 2 percent clean sand grains; few fine and medium faint dark grayish brown (10YR 4/2) iron depletions; very strongly acid; gradual smooth boundary.
Btg2--30 to 40 inches; very dark grayish brown (10YR 3/2) fine sandy loam; weak medium subangular blocky structure; firm; slightly sticky; moderately plastic; many clay bridging between sand grains; few pockets of sandy clay and sandy loam material and few pockets of clean sand grains; few fine distinct yellowish brown (10YR 5/6) masses of oxidized iron; very strongly acid; gradual smooth boundary. (Combined thickness of the Btg horizons is 16 to 42 inches.)
BCg--40 to 48 inches; dark grayish brown (10YR 4/2) fine sandy loam; massive; friable; nonsticky; slightly plastic; few pockets of loamy sand material with clean sand grains; many medium faint very dark grayish brown (10YR 3/2) masses of oxidized iron; very strongly acid; gradual smooth boundary. (0 to 16 inches thick)
2Cg1--48 to 72 inches; gray (10YR 5/1) fine sand; single grain; loose, nonsticky, nonplastic; few pockets of loamy material; many coarse distinct brown (10YR 5/3) masses of oxidized iron; very strongly acid; gradual smooth boundary.
2Cg2--72 to 99 inches; gray (10YR 5/1) fine sand; single grain; loose; nonsticky, nonplastic; common coarse and medium distinct brown (10YR 5/3) masses of oxidized iron; very strongly acid.
TYPE LOCATION: Clarendon County, South Carolina; 1.6 miles east of Turbeville and 100 feet north of U.S. Highway 378.
RANGE IN CHARACTERISTICS:
Thickness of the surface: 10 to 24 inches
Depth to top of the Argillic horizon: 10 to 24 inches
Depth to the base of the Argillic horizon: 40 to more than 80 inches
Depth to contrasting soil material (lithologic discontinuity): 40 to more than 80 inches
Rock Fragment Content: 0 to 5 percent, by volume throughout; mostly quartz pebbles
Soil Reaction: Extremely acid to strongly acid throughout, except where limed
Depth to Bedrock: Greater than 80 inches
Depth to Seasonal High Water Table: 0 to 12 inches, November to May
Other Features: None to few flakes of mica; clay mineralogy is kaolinitic
RANGE OF INDIVIDUAL HORIZONS:
Ap or A horizon:
Color--hue of 10YR or 2.5Y, value of 2 or 3, and chroma of 1 or 2, or is neutral with value of 2 to 3
Texture--loam, fine sandy loam, sandy loam, coarse sandy loam, loamy fine sand, or loamy sand
E or Eg horizon (where present):
Color--hue of 10YR, value of 3 to 6, chroma of 1 or 2
Texture--loam, fine sandy loam, sandy loam, coarse sandy loam, loamy fine sand, or loamy sand
Redoximorphic features (where present)--iron depletions in shades of brown, yellow, olive, or gray and masses of oxidized iron in shades of red, yellow, or brown.
Btg horizon:
Color--hue of 10YR or 2.5Y, value of 3 to 7, chroma of 1 or 2, or is neutral with value of 3 to 7
Texture--sandy clay loam, clay loam, loam, sandy loam, or fine sandy loam. Some pedons have thin horizons (less than 6 inches) of sandy clay.
Redoximorphic features (where present)--iron depletions in shades of brown, yellow, olive, or gray and masses of oxidized iron in shades of red, yellow, or brown.
BCg horizon or BCtg horizon (where present):
Color--hue of 10YR to 5Y, value of 3 to 7, chroma of 1 or 2, or is neutral with value of 3 to 7
Texture--fine sandy loam, sandy loam, or coarse sandy loam or is sandy clay loam with strata of coarser material
Redoximorphic features (where present)--iron depletions in shades of brown, yellow, olive, or gray and masses of oxidized iron in shades of red, yellow, or brown.
BC horizon or BCt (where present):
Color--hue of 10YR to 5Y, value of 3 to 7, chroma of 3 or 4
Texture--fine sandy loam, sandy loam, or coarse sandy loam, or is sandy clay loam with strata of coarser material
Redoximorphic features (where present)--iron depletions in shades of brown, yellow, olive, or gray and masses of oxidized iron in shades of red, yellow, or brown.
Cg horizon (where present):
Color--hue of 10YR to 5Y, 5GY, 5G, value of 4 to 7, and chroma of 1 or 2, or is neutral with value of 3 to 7
Texture--fine sandy loam, sandy loam, or coarse sandy loam. Some pedons have thin strata or pockets of coarser or finer textured material.
Redoximorphic features (where present)--iron depletions in shades of brown, yellow, olive, or gray and masses of oxidized iron in shades of red, yellow, or brown.
2Cg horizon:
Color--hue of 10YR to 5Y, 5GY, 5G, value of 4 to 7, and chroma of 1 or 2, or is neutral with value of 3 to 7
Texture--loamy fine sand, loamy sand, loamy coarse sand, fine sand, sand, or coarse sand. Some pedons have thin strata or pockets of finer textured material.
Redoximorphic features (where present)--iron depletions in shades of brown, yellow, olive, or gray and masses of oxidized iron in shades of red, yellow, or brown.
COMPETING SERIES:
Hobcaw soils--are in an active CEC activity class and have mixed clay mineralogy
GEOGRAPHIC SETTING:
Landscape: Middle and upper coastal plain, sandhills, river valleys
Landform: Stream terraces and flats
Geomorphic Component: Treads, talfs, dips
Parent Material: Marine deposits, fluviomarine deposits, alluvium
Slope: 0 to 2 percent
Elevation: 25 to 170 feet
Mean Annual Air Temperature: 57 to 70 degrees F.
Mean Annual Precipitation: 35 to 55 inches
Frost Free Period: 190 to 285 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Brogdon soils--have an ochric epipedon and do not have redoximorphic features within 30 inches
Byars soils--do not have a clay decrease that is more than 20 percent from the maximum within 60 inches of the surface
Coxville soils--have an ochric epipedon
Dothan soils--have an ochric epipedon and do not have redoximorphic features within 30 inches
Dunbar soils--have an ochric epipedon
Duplin soils--have dominant chroma of 3 or higher in the Bt horizon, and have an ochric epipedon
Eulonia soils--have dominant chroma of 3 or higher in the Bt horizon, and have an ochric epipedon
Foreston soils--have dominant chroma of 3 or higher in the Bt horizon, and have an ochric epipedon
Goldsboro soils--have dominant chroma of 3 or higher in the Bt horizon, and have an ochric epipedon
Johns soils--are better drained and lack an umbric epipedon
Lakeland soils--are coarse-textured and are excessively drained
Lynchburg soils--have an ochric epipedon
Myatt soils--have an ochric epipedon
Norfolk soils--have an ochric epipedon and do not have redoximorphic features within 30 inches
Pantego soils--do not have a clay decrease that is more than 20 percent from the maximum within 60 inches of the surface
Rains soils--do not have a clay decrease that is more than 20 percent from the maximum within 60 inches of the surface
DRAINAGE AND PERMEABILITY:
Depth Class: Very deep
Drainage Class (Agricultural): Very poorly drained
Internal Free Water Occurrence: Very shallow, common to persistent
Flooding Frequency and Duration: None, very rare, rare for very brief, brief, or long periods
Ponding Frequency and Duration: None
Index Surface Runoff: Negligible
Permeability: Moderate (Saturated Hydraulic Conductivity: Moderately high)
Shrink-Swell Potential: Low
USE AND VEGETATION:
Major Uses: Forestland
Dominant Vegetation: Where cultivated--corn, soybeans, small grain, truck crops, hay, and pasture. Where wooded--cypress, blackgum, water and willow oaks, pond, loblolly, and slash pine, and an undergrowth of bay bushes, myrtle, reed, and gallberry.
DISTRIBUTION AND EXTENT:
Distribution: North Carolina, South Carolina, and Virginia
Extent: Large
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Raleigh, North Carolina
SERIES ESTABLISHED: Clarendon County, South Carolina; 1972.
REMARKS: Diagnostic horizons and soil characteristics recognized in this pedon:
Umbric epipedon--the zone from the surface of the soil to a depth of 15 inches (Ap and A horizons)
Argillic horizon--the zone from 15 to 40 inches (Btg1 and Btg2 horizons)
Aquic conditions--endosaturated conditions indicated by redoximorphic features in the zone from 15 to 99 inches (Btg, BCg, and 2Cg horizons)
ADDITIONAL DATA: Particle size analysis is on file for this pedon. Reference data available from Pit County, NC, pedon: 00NC147002
TABULAR SERIES DATA:
SOI-5 Soil Name Slope Airtemp FrFr/Seas Precip Elevation SC0052 PAXVILLE 0-2 57-70 190-245 35-55 25-170SOI-5 FloodL FloodH Watertable Kind Months Bedrock Hardness SC0052 NONE RARE 0.0-1.0 APPARENT Nov-May >80 -
SOI-5 Depth Texture 3-Inch No-10 Clay% -CEC- SC0052 0-15 LS LFS 0-0 100-100 3-10 4-8 SC0052 0-15 SL FSL L 0-0 100-100 8-25 5-9 SC0052 0-15 MK-LFS MK-FSL MK-L 0-0 100-100 3-20 8-16 SC0052 15-40 SCL SL L 0-0 98-100 8-35 2-6 SC0052 40-48 SL LS FSL 0-0 98-100 8-18 2-5 SC0052 48-99 LS S FS 0-0 90-100 2-12 1-2
SOI-5 Depth -pH- O.M. Salin Permeab Shnk-Swll SC0052 0-15 3.6-5.5 2.0-10 0-0 2.0-6.0 LOW SC0052 0-15 3.6-5.5 2.0-10 0-0 2.0-6.0 LOW SC0052 0-15 3.6-5.5 10-20 0-0 2.0-6.0 LOW SC0052 15-40 3.6-5.5 0.5-1.0 0-0 0.6-2.0 LOW SC0052 40-48 3.6-5.5 0.5-1.0 0-0 6.0-20 LOW SC0052 48-99 3.6-5.5 0.5-1.0 0-0 6.0-20 LOW