LOCATION TILLERY NCTentative Series
TAXONOMIC CLASS: Fine-silty, siliceous, subactive, thermic Aquic Hapludults
TYPICAL PEDON: Tillery silt loam (in an area of Tillery silt loam, 0 to 6 percent slopes, rarely flooded), in a hayfield. (Colors are for moist soil, unless otherwise indicated.)
Ap--0 to 25 centimeters (about 0 to 10 inches); yellowish brown (10YR 5/4) silt loam; weak medium granular structure; friable, many fine, medium, and coarse roots throughout; 2 percent subrounded quartz gravel fragments; moderately acid, pH 5.6, Hellige-Truog; clear smooth boundary. (5 to 30 centimeters, about 2 to 12 inches, thick)
Bt1--25 to 51 centimeters (about 10 to 20 inches); brownish yellow (10YR 6/6) silt loam; moderate medium subangular blocky structure; friable, common fine and medium roots throughout; few faint clay films on faces of peds; 2 percent subrounded quartz gravel fragments; slightly acid, pH 6.4, Hellige-Truog; gradual wavy boundary.
Bt2--51 to 81 centimeters (about 20 to 32 inches); brownish yellow (10YR 6/8) silty clay loam; moderate medium subangular blocky structure; friable; few fine roots throughout; 10 percent medium prominent light gray (10YR 7/2) and 20 percent coarse distinct light yellowish brown (10YR 6/4) iron depletions; few faint clay films on faces of peds; strongly acid, pH 5.4, Hellige-Truog; gradual wavy boundary.
Bt3--81 to 109 centimeters (about 32 to 43 inches); brownish yellow (10YR 6/8) silty clay loam; moderate medium subangular blocky structure; friable; 25 percent medium prominent light gray (10YR 7/2) and 15 percent coarse distinct light yellowish brown (10YR 6/4) iron depletions; few faint clay films on faces of peds; very strongly acid, pH 4.7, Hellige-Truog; gradual wavy boundary. (Combined thickness of the Bt horizon is 64 to 127 centimeters, about 26 to 49 inches, thick)
BCtg--109 to 147 centimeters (about 43 to 58 inches); light gray (10YR 7/2) silty clay loam; weak coarse subangular blocky structure; friable, 30 percent coarse prominent brownish yellow (10YR 6/8) and 10 percent medium prominent light yellowish brown (10YR 6/4) masses of oxidized iron; very strongly acid, pH 4.6, Hellige-Truog; gradual wavy boundary. (0 to 38 centimeters, about 0 to 15 inches, thick)
Cg1--147 to 190 centimeters (about 58 to 75 inches); light gray (10YR 7/2) silt loam; massive; friable, 25 percent coarse prominent brownish yellow (10YR 6/8) and 5 percent medium prominent light yellowish brown (10YR 6/4) masses of oxidized iron; 5 percent subrounded quartz gravel fragments; very strongly acid, pH 4.7, Hellige-Truog; gradual wavy boundary.
Cg2--190 to 203 centimeters ( about 75 to 80 inches); light gray (10YR 7/2) very gravelly loam; massive; very friable, 25 percent coarse prominent brownish yellow (10YR 6/8) and 5 percent medium prominent yellowish brown (10YR 5/6) masses of oxidized iron; 35 percent subrounded quartz gravel fragments; very strongly acid, pH 4.6, Hellige-Truog.
TYPE LOCATION: Montgomery County, North Carolina; about 2.2 miles west of Wadeville on Secondary Road 1134; 2.0 mile south on Secondary Road 1130, 140 feet southeast of road in hayfield. USGS Morrow Mountain, NC topographic quadrangle; latitude 35 degrees 16 minutes and 55 seconds N. and longitude 80 degrees 01 minute 13 seconds W., NAD 27.
RANGE IN CHARACTERISTICS:
Depth to top of argillic horizon: 10 to 50 centimeters (4 to 20 inches)
Depth to base of argillic horizon: 76 to 150 centimeters (30 to 59 inches)
Depth to bedrock: Greater than 150 centimeters (59 inches) to hard bedrock
Depth to seasonal high water table; kind: 46 to 76 centimeters (18 to 30 inches); perched; November to April
Rock Fragment Content: 0 to 25 percent, by volume, in the A and B horizons, and 0 to 40 percent, by volume, in the C horizon at depths below 100 centimeters (39 inches); mostly rounded quartz gravel
Soil reaction: Extremely acid (4.0) to moderately acid (6.0) throughout, unless limed.
Other Features: The upper 50 centimeters (about 20 inches) of the argillic horizon averages more than 30 percent silt or more than 40 percent silt plus very fine sand. Some pedons have argillic horizons that extend below 150 centimeters (about 59 inches). Some pedons have few mica flakes
A or Ap horizon:
Color--hue of 10YR or 2.5Y, value of 3 through 5, and chroma of 2 through 4
Texture (fine-earth fraction)--silt loam, or loam and where eroded, silty clay loam
E horizon (where present):
Color--hue of 10YR or 2.5Y, value of 4 through 6, and chroma of 3 through 6
Texture (fine-earth fraction)--very fine sandy loam, loam, or silt loam
BA or BE horizon (where present):
Color--hue of 10YR or 2.5Y, value of 4 through 6, and chroma of 3 through 8
Texture (fine-earth fraction)--very fine sandy loam, loam, silt loam, or silty clay loam
Bt horizon (upper part):
Color--has hue of 7.5YR through 2.5Y, value of 4 through 7, and chroma of 3 through 8
Texture (fine-earth fraction)--silt loam, loam, silty clay loam, clay loam, or silty clay
Redoximorphic Features (where present)--iron masses in shades of red, yellow, or brown and iron depletions in shades of gray, yellow, or brown
Bt horizon (lower part):
Color--hue of 7.5YR through 2.5Y, value of 5 through 7, and chroma of 3 through 8, or it is mottled in shades of red, yellow, brown, or gray.
Texture (fine-earth fraction)--silt loam, loam, silty clay loam, clay loam, or silty clay
Redoximorphic Features (where present)--iron masses in shades of red, yellow, or brown and iron depletions in shades of gray, yellow, or brown
Btg horizon (where present):
Color--hue of 7.5YR through 2.5Y, value of 4 through 7, and chroma of 1 or 2
Texture (fine-earth fraction)--silt loam, loam, silty clay loam, clay loam, or silty clay
Redoximorphic Features (where present)--iron masses in shades of red, yellow, or brown
BC, BCt, or CB horizon (where present):
Color--hue of 7.5YR through 5Y, value of 5 through 7, and chroma of 3 through 8, or it is mottled in shades of red, yellow, brown, or gray.
Texture (fine-earth fraction)--silt loam, loam, silty clay loam, or clay loam
Redoximorphic Features (where present)--iron masses in shades of red, yellow, or brown and iron depletions in shades of gray, yellow, or brown
BCtg or CBg horizon (where present):
Color--hue of 7.5YR through 5Y, value of 5 through 7, and chroma of 1 or 2
Texture (fine-earth fraction)--silt loam, loam, silty clay loam, or clay loam
Redoximorphic Features (where present)--iron masses in shades of red, yellow, or brown
C or 2C horizon (where present):
Color--hue of 7.5YR through 5Y, value of 5 through 7, and chroma of 3 through 8, or it is mottled in shades of red, yellow, brown, or gray.
Texture (fine-earth fraction)--stratified sands to sandy clay loam. Strata of finer textures are in some pedons.
Redoximorphic Features (where present)--iron masses in shades of red, yellow, or brown and iron depletions in shades of gray, yellow, or brown
Cg or 2Cg horizon (where present):
Color--hue of 7.5YR through 5Y, value of 5 through 7, and chroma of 1 or 2
Texture (fine-earth fraction)--stratified sands to sandy clay loam. Strata of finer textures are in some pedons.
Redoximorphic Features (where present)--iron masses in shades of red, yellow, or brown
COMPETING SERIES:
Docena soils--formed in alluvial, colluvial, and shaly residual sediments and are on low areas of the Appalachian Plateau and have bedrock at depths of greater than 150 centimeters (59 inches)
Kirksey soils--have hard bedrock at depths of 100 to 150 centimeters (39 to 59 inches) and are upland residual soils
GEOGRAPHIC SETTING:
Landscape: Piedmont
Landform: Stream terraces
Elevation: 90 to 245 meters (295 to 787 feet) above mean sea level
Parent Material: Moderately fine textured fluvial sediments underlain by stratified coarse to medium textured sediments
Mean Annual Air Temperature: 14 to 17 degrees C. (57 to 63 degrees F.)
Mean Annual Precipitation: 1015 to 1220 millimeters (about 40 to 48 inches)
Frost Free Period: 180 to 240 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Alamance soils--well drained; on residual uplands
Badin soils--well drained, finer-textured, and moderately deep to soft bedrock; on residual uplands
Biscoe soils--somewhat poorly drained and moderately deep to soft bedrock; on residual uplands
Callison soils--moderately deep to soft bedrock; on residual uplands
Chastain soils--poorly drained and fine textured; on adjacent floodplains
Chenneby soils--somewhat poorly drained (seasonal high water table at 6 to 24 inches); on adjacent floodplains
Cid soils--finer-textured and moderately deep to hard bedrock; on residual uplands
Georgeville soils--well drained and finer-textured; on residual uplands
Goldston soils--well to excessively drained, shallow to soft bedrock, and loamy-skeletal; on residual uplands
Herndon soils--well drained and finer-textured; on residual uplands
Kirksey soils--deep to hard bedrock; on residual uplands
Lignum soils--somewhat poorly drained or moderately well drained, finer-textured and deep to soft bedrock; on residual uplands
Mandale soils--somewhat poorly drained and very deep to bedrock; on residual uplands
Misenheimer soils--somewhat poorly drained or moderately well drained and shallow to soft bedrock; on residual uplands
Moncure soils--somewhat poorly drained (seasonal high water table 12 to 18 inches); on slightly lower landscapes
Nanford soils--well drained, fine-textured, and deep to soft bedrock; on residual uplands
Oakboro soils--somewhat poorly drained (seasonal high water table at 6 to 24 inches); on adjacent floodplains
Roanoke soils--poorly drained, fine-textured; on slightly lower landscapes
Secrest soils--somewhat poorly drained and deep to soft bedrock; on residual uplands
Shellbluff soils--well drained to moderately well drained (seasonal high water table at 30 to 48 inches); on adjacent floodplains
State soils--well drained soils (seasonal high water table 48 to 72 inches); on slightly higher landscapes
Tarrus soils--well drained, fine-textured, and deep to soft bedrock; on residual uplands
Warne soils--somewhat poorly drained, fine-textured; on slightly lower landscapes
Wehadkee soils--poorly drained (seasonal high water table at 0 to 12 inches); on adjacent floodplains
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage class (Agricultural): Moderately well drained
Internal Free Water Occurrence: Shallow (less than 50 centimeters); common (3 to 5 months); seasonally, very thin to thick (10 to more than 100 centimeters)
Flooding Frequency and Duration: None to rare for brief periods
Ponding Frequency and Duration: None
Saturated Hydraulic Conductivity: Moderately high or moderately low (0.42 to 4.23 micrometers per second)
Permeability: Moderately slow or slow
USE AND VEGETATION:
Major Uses: Dominantly forested with cleared areas primarily in pasture and hayland, and a very small acreage in cropland
Vegetation: Mixed hardwoods and pine
DISTRIBUTION AND EXTENT:
Distribution: The slate belt of the Piedmont of North Carolina and possibly South Carolina
Extent: Small
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Raleigh, North Carolina
SERIES PROPOSED: Montgomery County, North Carolina; 2007.
REMARKS: Tillery soils were formerly included with Tetotum soils. Tetotum soils were mapped as upland soils in the coastal plains and on stream terraces in the Piedmont, but now is restricted to the coastal plains.
Diagnostic horizons and features recognized in this pedon:
Ochric epipedon--the zone from the surface of the soil to a depth of 25 centimeters, about 10 inches (A horizon)
Argillic horizon--the zone from 25 to 147 centimeters, about 10 to 58 inches (Bt1, Bt2, Bt3, and BCtg horizons)
Redox concentrations--the zone from 109 to 203 centimeters, about 43 to 80 inches (BCtg, Cg1, and Cg2 horizons)
Redox depletions with chroma of 2 or less--the zone from 51 to 203 centimeters, about 20 to 80 inches (Bt2 through the C horizons)
ADDITIONAL DATA: Characterization data is available from the National Soil Survey Laboratory, Lincoln Nebraska; pedon numbers S04NC-123-001, S04NC105-001, S04NC-125-001, and S04NC-007-001.
Database Information:
Data Mapunit ID--To be completed
User Pedon ID--To be completed
ADDITIONAL DATA:
TABULAR SERIES DATA:
Soil Name Slope Airtemp FrFr/Seas Precip Elevation TILLERY 0-15 57-62 180-240 40-48 200-551FloodL FloodH Watertable Kind Months Bedrock Hardness NONE RARE 1.5-2.5 PERCHED DEC-APR >60 -
Depth Texture 3-Inch No-10 Clay% -CEC- 0-10 SIL L 0-25 75-100 5-27 4-7 0-10 SICL 0-25 75-100 27-40 6-10 10-58 CL SICL 0-25 75-100 27-40 6-15 58-80 L SIL SL 0-40 60-100 5-27 4-8
Depth -pH- O.M. Salin Permeab Shnk-Swll 0-10 3.6-5.5 .5-2. 0-0 2.0-6.0 LOW 0-10 3.6-5.5 .5-2. 0-0 0.6-2.0 LOW 10-58 3.6-5.5 0.-.5 0-0 0.06-0.2 LOW 58-80 3.6-5.5 0.-.5 0-0 0.6-20 LOW