LOCATION HILLISTER TXEstablished Series
TAXONOMIC CLASS: Loamy, siliceous, active, thermic Arenic Hapludults
TYPICAL PEDON: Hillister loamy sand in woodland at an elevation of 110 m (360 ft) (Colors are for moist soil unless otherwise stated.)
Ap--0 to 15 cm (0 to 6 in); dark grayish brown (10YR 4/2), loamy sand; single grain; very friable, loose; many fine and medium roots and many coarse roots; moderately acid; clear smooth boundary. (2 to 6 inches)
E1--15 to 30 cm (6 to 12 in); light yellowish brown (10YR 6/4), loamy sand; common medium distinct dark grayish brown (10YR 4/2) and few fine faint brown (10YR 5/3) mottles; weak medium subangular blocky structure; very friable, loose; many fine and medium roots; 5 percent rounded 2.5 to 20 mm (0.1 to 0.8 in) in diameter quartzite fragments; moderately acid; gradual wavy boundary. (0 to 20 cm (0 to 8 in) thick)
E2--30 to 71 cm (12 to 28 in); light yellowish brown (10YR 6/4), loamy sand; weak medium subangular blocky structure; very friable, loose; many fine and medium roots; 10 percent rounded 2.5 to 20 mm (0.1 to 0.8 in) in diameter quartzite fragments; moderately acid; clear smooth boundary. (25 to 51 cm (10 to 20 in) thick)
Bt/E1--71 to 89 cm (28 to 35 in); red (2.5YR 5/6), sandy clay loam; common medium prominent light yellowish brown (10YR 6/4) and common medium distinct reddish brown (2.5YR 4/4) mottles; weak medium subangular blocky structure; friable, slightly hard; many medium roots between peds; 1 percent rounded 2.5 to 66 mm (0.1 to 2.6 in) in diameter quartzite fragments; strongly acid; 10 percent 10YR 6/3 (E material) between ped faces; gradual wavy boundary. (0 to 25 cm (0 to 10 in) thick)
Bt/E2--89 to 127 cm (35 to 50 in); brownish yellow (10YR 6/6), sandy clay loam; common medium prominent dark reddish brown (2.5YR 3/4) mottles; weak medium subangular blocky structure; friable, slightly hard; many medium roots between peds; 1 percent rounded 2.5 to 5 mm (0.1 to 0.2 in) in diameter quartzite fragments; strongly acid; 25 percent 10YR 6/3 (E material) between ped faces; gradual wavy boundary. (36 to 64 cm (14 to 26 in) thick)
C1--127 to 160 cm (50 to 63 in); red (2.5YR 5/8) and strong brown (7.5YR 5/8) and light gray (10YR 7/2), clay loam; common medium distinct reddish brown (2.5YR 4/4) mottles; firm, hard; 3 percent distinct light gray (10YR 7/1) sand coats; 1 percent rounded 2.5 to 5 mm (0.1 to 0.2 in) in diameter quartzite fragments; very strongly acid; 2.5YR 5/8 and 7.5YR 5/8 materials above are sandstone, 10YR 7/2 material above is shale; gradual wavy boundary.
C2--160 to 203 cm (63 to 80 in); light reddish brown (2.5YR 6/4) and dark reddish brown (2.5YR 3/4) and strong brown (7.5YR 5/8) and light brownish gray (10YR 6/2), clay loam; firm, hard; 1 percent rounded 2.5 to 5 mm (0.1 to 0.2 in) in diameter quartzite fragments; very strongly acid; 10YR 6/2 material above is shale; 2.5YR 6/4, 2.5YR 3/4, and 7.5YR 5/8 materials above are sandstone.
TYPE LOCATION: Tyler County, Texas in other grass/herbaceous cover; Hillister loamy sand, 5 to 15 percent slopes, located from U.S. 69 in Woodville, 8.7 miles northwest on U.S. 287; 4.7 miles west on woods road to intersection at hunters' weigh station; 3.6 miles south and east on intersecting road; 0.3 mile north on pipeline; 50 feet east in clear-cut area. Chambliss Hill, Texas USGS 7.5 Minute Quadrangles; Latitude, 30 degrees, 49 minutes, 31.20 seconds N; Longitude, 94 degrees, 33 minutes, 31.70 seconds W.
RANGE IN CHARACTERISTICS:
An udic soil moisture regime. The soil is dry in some part of the moisture control section for 75 to 90 days in most years.
Solum thickness: 40 to 60 inches
Depth to argillic: 20 to 40 inches
Particle-size control section (weighted average)
Clay content: 23 to 35 percent
Base Saturation: 15 to 34 percent
Combined thickness of the A and E horizons: 20 to 40 inches.
A horizon
Hue: 7.5YR or 10YR
Value: 3 to 5
Chroma: 2 to 4 Texture: fine sand or loamy sand
Quartzite fragments: 0 to 15 percent, by volume, range from 2.5 to 25 mm (0.1 to 1.0 in) in diameter.
Reaction: very strongly acid to moderately acid.
E horizon
Hue: 7.5YR or 10YR
Value: 5 or 6
Chroma: 3 to 6. Some pedons have EB horizons with chroma of 6 or 8.
Quartzite fragments: 0 to 15 percent, by volume, range from 2.5 to 25 mm (0.1 to 1.0 in) in diameter.
Redoximorphic concentrations: few to none in shades of brown or yellow in matrix.
Texture: fine sand or loamy sand.
Reaction: very strongly acid to moderately acid.
Bt/E horizon
Hue: 2.5YR to 10YR
Value: 4 to 6
Chroma: 6 or 8
(Some pedons are mixed with these colors as well as red redox concretions with hue 2.5YR.)
Texture: loam or sandy clay loam.
Quartzite fragments range from few to none and size range from 2.5 to 76 mm (0.1 to 3.0 in) in diameter.
Redoximorphic depletions: chroma of 3 or less and range from 10 to 25 percent.
Reaction: extremely acid to strongly acid.
C or Cd horizon
Color: The loamy materials and sandstone are reddish, yellowish, or brownish and the shaly materials are mainly grayish with a clay loam or clay texture
Texture: clay loam or clay
Fragments: Predominately quartzite; 0 to 15 percent; 2.5 to 13 mm (0.1 to 0.5 in) in diameter.
Reaction: extremely acid to strongly acid
Notes: Roots penetrate these materials but are concentrated along fractures or cleavage planes. The material slakes in water.
COMPETING SERIES: These are the Baymeade, Blaney, Chisolm, Gomery, Tenaha, and Valhalla series in the same family, and the Ailey, Boykin, Briley, Chipola, Choates, Coosaw, Darco, Doucette, Garcon, Kirvin, Kenansville, Larue, Lilbert, Remlik, Shankler, Tomahawk, and Uchee series in closely related families.
Baymeade soils: contain more than 5 percent Bh masses in the profile.
Blaney soils: are brittle in more than 10 percent of the mass in the Bt horizon and do not have a weakly consolidated substratum.
Boykin,
Briley,
Larue, and
Lilbert soils: have a solum more than 60 inches thick and do not have a 20 percent clay decrease within 60 inches. In addition, Lilbert soils have plinthite.
Choates soils: are lower in the landscape and have gray redox features due to wetness.
Chipola soils have a kandic horizon.
Chisolm and
Remlik soils: do not have a weakly consolidated substratum.
Coosaw and
Garcon soils: have aquic conditions and chroma 2 iron depletions within a depth of 30 inches.
Darco and
Shankler soils: have a sandy epipedon more than 40 inches thick.
Gomery soils: have chroma 1 or 2 matrix color throughout the Bt horizon.
Kenansville soils: have less than 18 percent clay throughout the subsoil.
Tomahawk and
Valhalla soils: are bisequal, and have a spodic horizon in the lower sola. In addition, Tomahawk soils have aquic conditions and chroma 2 iron depletions within a depth of 30 inches.
Uchee soils: have a kandic horizon and kaolinitic mineralogy.
Tenaha soils: have sola 20 to 40 inches thick over weathered sandstone and contain less than 10 percent coarse or very coarse sands.
GEOGRAPHIC SETTING:
Parent material: Thick sandy sediments of Pleistocene Age of the Willis and Whitsett Geologic Formation.
Landscape: Coastal Plain
Landform: gently sloping to moderately steep interfluves
Slope: dominantly 3 to 15 percent but range from 1 to 20
Mean annual air temperature: 19 to 22 degrees C (66 to 72 degrees F)
Mean annual precipitation: 1168 to 1473 mm (46 to 58 in)
Precipitation pattern: Summer moisture deficit averages 0 to 4 inches.
Frost-free period: 246 to 333 days
Elevation: 60 to 100 m (250 to 400 ft)
Thornthwaite annual P-E indices: exceeds 72
GEOGRAPHICALLY ASSOCIATED SOILS: They include the
Bonwier,
Boykin,
Chambliss, Colmesneil,
Doucette,
Letney,
Newco,
Shankler, and
Tehran series.
Boykin, Doucette, and Newco soils are on similar positions.
Bonwier soils are slightly higher in the landscape.
Bonwier and Newco soils have more clayey subsoil.
Doucette soils have sandy A horizons 20 to 40 inches thick, and contain plinthite.
Letney soils have a sandy epipedon 20 to 40 inches thick.
Tehran and Shankler soils have sandy A and E horizons more than 40 inches thick and Shankler soils contain less than 10 percent coarse or very coarse sands.
Chambliss and Colmesneil soils have a solum greater than 60 inches thick and commonly on slightly higher positions with smoother slopes.
DRAINAGE AND PERMEABILITY: Well drained. Runoff is slow and permeability is moderate. The soils have a perched water table for a few days following heavy rains.
USE AND VEGETATION: These soils are used mainly for timber and pasture. Forest vegetation includes loblolly, shortleaf, slash, and longleaf pines, red oak, and sweetgum trees with an understory of grasses and legumes. Pastures are mainly bermuda grass and bahiagrass.
DISTRIBUTION AND EXTENT: Eastern part of Texas, and possibly Louisiana. The series is of moderate extent.
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Temple, Texas
SERIES ESTABLISHED: Tyler County, Texas; 2007. The name comes from the community of Hillister, TX located in Tyler County.
REMARKS: This soil was previously included in the Boykin series.
Diagnostic features and horizon for this pedon are:
Arenic epipedon - 0 to 28 inches
Argillic horizon - 28 to 50 inches