IDENTIFIERS

  • Current Taxon Name (Soil Name): Amarillo
  • OSD
  • Series Extent
  • User Site ID: S1987TX303001
  • User Pedon ID: 87TX303001
  • Vegetation Plot ID: S1987TX303001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 87P0213
  • NCSS Pedon Lab Data NASIS Record ID - 59509
  • Print Date: 1/31/2025
  • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 33.6022224
  • Std. Longitude: -101.9083328
  • Datum: WGS84
  • Location Description: Lubbock TX from the intersection of Quaker Ave. and 4th St., .65 mi N on Quaker St. and 500 feet in Rangeland.
  • State: Texas
  • County: TX303—Lubbock
  • MLRA: 77—Southern High Plains
  • PEDON

  • Describers Name: Dan Blackstock, Mike Risinger, Earl Blakley
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, thermic Aridic Paleustalfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Amarillo
  • PSC - 23 to 73 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Amarillo
  • Taxonomic Class - Fine-loamy, mixed, thermic Aridic Paleustalf
  • Taxon Kind - series
  • Classificaton Date - 3/1/1987
  • Moisture Class - ustic
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: upland
  • Landform: plain
  • Anthropogenic Feature: leveled land
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/1/1987 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    BOCU

    BOGR2

    BUDA

    Bouteloua curtipendula

    Bouteloua gracilis

    Buchloe dactyloides

    sideoats grama

    blue grama

    buffalograss

    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    calcic horizon

    0—23

    23—300

    115—300

    —-

    —-

    —-

    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    1

    1000

    50

    26

    16

    1A1—0 to 7 centimeters (0.0 to 2.8 inches); reddish brown (5YR 5/3) interior, dark reddish brown (5YR 3/3) interior, moist; fine sandy loam; weak fine granular, and weak medium platy structure; slightly hard, very friable; 0.5 medium roots throughout and 5.5 fine roots throughout; 2.5 medium tubular and 2.5 fine tubular pores; 11 percent worm casts; fragments; slightly alkaline, pH 7.5, hellige-truog; abrupt smooth boundary. Lab sample # 87P01087. Material apprears to be partially wind blown accumulation from nearby cropland.; common worm casts concentrations; many fine roots throughout; few medium roots throughout
    1A2—7 to 23 centimeters (2.8 to 9.1 inches); reddish brown (5YR 5/3) interior, dark reddish brown (5YR 3/3) interior, moist; fine sandy loam; weak fine granular, and weak medium subangular blocky structure; slightly hard, very friable; 0.5 medium roots throughout and 5.5 fine roots throughout; 2.5 medium tubular and 2.5 fine tubular pores; 11 percent worm casts; fragments; slightly alkaline, pH 7.5, hellige-truog; clear smooth boundary. Lab sample # 87P01088. common worm casts concentrations; many fine roots throughout; few medium roots throughout
    1Bt1—23 to 41 centimeters (9.1 to 16.1 inches); reddish brown (5YR 5/4) interior, dark reddish brown (5YR 3/4) interior, moist; sandy clay loam; moderate coarse prismatic, and weak medium subangular blocky structure; hard, friable; 2.5 fine roots throughout; 2.5 fine tubular pores; 15 percent faint clay films on faces of peds; 1 percent worm casts; fragments; moderately alkaline, pH 8.0, hellige-truog; diffuse wavy boundary. Lab sample # 87P01089. few worm casts concentrations; few clay films surface features on faces of peds; common fine roots throughout; patchy - phpvsfiid 221522; patchy - phpvsfiid 221522
    1Bt2—41 to 61 centimeters (16.1 to 24.0 inches); reddish brown (5YR 5/4) interior, reddish brown (5YR 4/4) interior, moist; sandy clay loam; moderate coarse prismatic, and moderate medium subangular blocky structure; hard, friable; 2.5 fine roots throughout; 2.5 fine tubular pores; 37 percent faint clay films on faces of peds; 1 percent worm casts; fragments; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary. Lab sample # 87P01090. few worm casts concentrations; common clay films surface features on faces of peds; common fine roots throughout; patchy - phpvsfiid 221523; patchy - phpvsfiid 221523
    1Bt3—61 to 79 centimeters (24.0 to 31.1 inches); light reddish brown (5YR 6/4) interior, reddish brown (5YR 4/4) interior, moist; sandy clay loam; moderate coarse prismatic, and moderate medium subangular blocky structure; hard, friable; 0.5 fine roots throughout; 0.5 fine tubular pores; 37 percent faint clay films on faces of peds; fragments; very slight effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; gradual wavy boundary. Lab sample # 87P01091. About 1% calcium carbonate; few films and threads on ped surfaces.; common clay films surface features on faces of peds; few fine roots throughout; effervescence is continuous; patchy - phpvsfiid 221524; patchy - phpvsfiid 221524
    1Btk1—79 to 115 centimeters (31.1 to 45.3 inches); reddish yellow (5YR 6/6) interior, yellowish red (5YR 4/6) interior, moist; sandy clay loam; moderate coarse prismatic, and weak medium subangular blocky structure; hard, friable; 0.5 fine roots throughout; 0.5 fine tubular pores; 37 percent faint clay films on faces of peds; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; clear wavy boundary. Lab sample # 87P01092. About 5% calcium carbonate; common films and threads on ped surfaces.; common clay films surface features on faces of peds; few fine roots throughout; effervescence is continuous; patchy - phpvsfiid 221525; patchy - phpvsfiid 221525
    1Btk—115 to 165 centimeters (45.3 to 65.0 inches); reddish yellow (5YR 7/6) interior, yellowish red (5YR 5/6) interior, moist; clay loam; moderate coarse prismatic, and weak medium subangular blocky structure; hard, friable; 0.5 fine roots throughout; 0.5 fine tubular pores; 15 percent faint clay films on all faces of peds; 30 percent coarse spherical lime masses and 30 percent coarse spherical carbonate concretions; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; diffuse wavy boundary. Lab sample # 87P01093. About 50% calcium carbonate in soft masses and concretions. Few krotovinas to to 25 cm across.; many coarse soft masses of lime concentrations; many coarse lime concretions concentrations; few clay films surface features on vertical and horizontal faces of peds; few fine roots throughout; effervescence is continuous; patchy - phpvsfiid 221526; patchy - phpvsfiid 221526
    1Btk3—165 to 200 centimeters (65.0 to 78.7 inches); reddish yellow (5YR 7/6) interior, yellowish red (5YR 5/6) interior, moist; clay loam; moderate coarse prismatic, and weak medium subangular blocky structure; hard, friable; 0.5 fine tubular pores; 15 percent faint clay films on all faces of peds; 30 percent coarse spherical lime masses and 30 percent coarse spherical carbonate concretions; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; diffuse wavy boundary. Lab sample # 87P01094. About 40% calcium carbonate in soft masses and concretions. Few krotovinas 10 to 25 cm across.; many coarse soft masses of lime concentrations; many coarse lime concretions concentrations; few clay films surface features on vertical and horizontal faces of peds; effervescence is continuous; patchy - phpvsfiid 221527; patchy - phpvsfiid 221527
    1Btk4—200 to 225 centimeters (78.7 to 88.6 inches); reddish yellow (5YR 6/6) interior, yellowish red (5YR 4/6) interior, moist; clay loam; moderate coarse prismatic, and weak medium subangular blocky structure; hard, friable; 15 percent faint clay films on all faces of peds; 30 percent coarse spherical lime masses; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; abrupt smooth boundary. Lab sample # 87P01095. About 30% calcium carbonate in soft masses and concretions.; many coarse soft masses of lime concentrations; few clay films surface features on vertical and horizontal faces of peds; effervescence is continuous; patchy - phpvsfiid 221528; patchy - phpvsfiid 221528
    1Bw—225 to 250 centimeters (88.6 to 98.4 inches); light reddish brown (5YR 6/4) interior, reddish brown (5YR 4/4) interior, moist; loam; weak medium subangular blocky structure; slightly hard, very friable; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; abrupt smooth boundary. Lab sample # 87P01096. This layer is a Prairie Dog Krotovena. Appears to be mixture of A and Bt horizons.; effervescence is continuous
    1B'tk1—250 to 270 centimeters (98.4 to 106.3 inches); reddish yellow (5YR 7/6) interior, yellowish red (5YR 5/6) interior, moist; clay loam; moderate coarse prismatic, and weak medium subangular blocky structure; hard, friable; 15 percent faint clay films on all faces of peds; 30 percent coarse spherical lime masses; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; gradual smooth boundary. Lab sample # 87P01097. About 30% CaCO3 in soft masses and concretions.; many coarse soft masses of lime concentrations; few clay films surface features on vertical and horizontal faces of peds; effervescence is continuous; patchy - phpvsfiid 221529; patchy - phpvsfiid 221529
    1B'tk2—270 to 300 centimeters (106.3 to 118.1 inches); reddish yellow (5YR 7/6) interior, yellowish red (5YR 5/6) interior, moist; clay loam; moderate coarse prismatic, and moderate medium subangular blocky structure; very hard, firm; 37 percent distinct clay films on all faces of peds; 11 percent coarse spherical lime masses and 11 percent coarse spherical carbonate concretions; 1 percent by volume 600-?-? millimeter mixed fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog. Lab sample # 87P01098. About 20% calcium carbonate. More clay than horzions above Bt horizon also more strongly expressed.; common coarse soft masses of lime concentrations; common coarse lime concretions concentrations; common clay films surface features on vertical and horizontal faces of peds; effervescence is continuous; continuous - phpvsfiid 221530; continuous - phpvsfiid 221530