IDENTIFIERS

  • Current Taxon Name (Soil Name): Amarillo
  • OSD
  • Series Extent
  • User Site ID: S2018TX219004
  • User Pedon ID: S2018TX219004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Print Date: 12/9/2025

    • 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: 33.8036667
  • Std. Longitude: -102.5105000
  • Datum: WGS84
  • Location Description: Yellowhouse Ranch Hockley County, Texas
  • State: Texas
  • County: TX219—Hockley
  • MLRA: 77C—Southern High Plains, Southern Part

    • PEDON

  • Describers Name: SSS Staff
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, thermic Aridic Paleustalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Amarillo
  • Taxonomic Class - Fine-loamy, mixed, superactive, thermic Aridic Paleustalfs
  • Taxon Kind - series
  • Classificaton Date - 9/14/2018
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Pedon Vegetation and Crop Cover Information:
  • Range Veg. Canopy Type Dominant - perennial grass
  • Range Veg. Canopy Type Secondary - shrub
  • Hydric: no


    • SITE

  • Parent Material: Blackwater Draw
  • Landscape: plateau
  • Landform: plain
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: yes

    • VEGETATION

  • Ecological Sites. (Click Ecological Site ID For Link to EDIT.)
    Ecological Site ID Ecological Site Name Correlation Data Classifier
    R077CY036TX Sandy Loam 16-21" PZ

    • SITE OBSERVATION

  • Observation Date: 9/11/2018 (actual site observation date)
  • Data Collector: SSS Staff
  • 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: wind erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    calcic horizon

    0—12

    12—203

    183—203

    —12—

    —191—

    —20—
    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

    0.5

    —

    —

    1102

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 12 centimeters (0.0 to 4.7 inches); reddish brown (5YR 5/3) broken face, reddish brown (5YR 4/3) broken face, moist; fine sandy loam; 19 percent clay; weak medium platy parts to weak fine subangular blocky structure; hard, firm, slightly sticky, nonplastic; low excavation difficulty; many medium roots throughout and many medium roots throughout and many fine roots throughout and many fine roots throughout; fragments; noneffervescent; abrupt smooth boundary.; dry when described; observed in pit, large or quarry
    Bt1—12 to 41 centimeters (4.7 to 16.1 inches); reddish brown (5YR 5/3) broken face, reddish brown (5YR 4/3) broken face, moist; sandy clay loam; 22 percent clay; strong coarse prismatic parts to moderate medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; high excavation difficulty; common medium roots throughout and common fine roots throughout; 5 percent distinct clay films on vertical faces of peds and 7 percent faint clay bridges between sand grains; fragments; noneffervescent; clear smooth boundary.; very dry when described; observed in pit, large or quarry. patchy - phpvsfiid 1504902; discontinuous - phpvsfiid 1504901; patchy - phpvsfiid 1504902; discontinuous - phpvsfiid 1504901
    Bt2—41 to 70 centimeters (16.1 to 27.6 inches); reddish brown (5YR 5/4) broken face, reddish brown (5YR 4/4) broken face, moist; sandy clay loam; 28 percent clay; strong coarse prismatic parts to strong medium subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; high excavation difficulty; common medium roots throughout and common fine roots throughout; 80 percent prominent clay films on all faces of peds; fragments; noneffervescent; clear smooth boundary.; very dry when described; observed in pit, large or quarry. continuous - phpvsfiid 1504903; continuous - phpvsfiid 1504903
    Bt3—70 to 104 centimeters (27.6 to 40.9 inches); yellowish red (5YR 5/6) broken face, yellowish red (5YR 4/6) broken face, moist; sandy clay loam; 21 percent clay; moderate coarse prismatic parts to moderate fine subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; high excavation difficulty; few medium roots throughout and few fine roots throughout; 55 percent prominent clay films on all faces of peds; fragments; noneffervescent; clear smooth boundary.; very dry when described; observed in pit, large or quarry. continuous - phpvsfiid 1504905; continuous - phpvsfiid 1504905
    Bt4—104 to 128 centimeters (40.9 to 50.4 inches); red (2.5YR 5/6) broken face, red (2.5YR 4/6) broken face, moist; sandy clay loam; 27 percent clay; strong medium prismatic parts to moderate fine subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; high excavation difficulty; few medium roots throughout and few fine roots throughout; 55 percent prominent clay films on all faces of peds; fragments; noneffervescent; clear smooth boundary.; very dry when described; observed in pit, large or quarry. continuous - phpvsfiid 1504906; continuous - phpvsfiid 1504906
    Btk1—128 to 183 centimeters (50.4 to 72.0 inches); red (2.5YR 5/6) broken face, red (2.5YR 4/6) broken face, moist; sandy clay loam; 22 percent clay; moderate medium prismatic parts to moderate fine subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; high excavation difficulty; few fine roots throughout; 65 percent distinct clay films on all faces of peds; 1 percent fine irregular strongly coherent cemented carbonate nodules throughout and 2 percent very fine carbonate masses on vertical faces of peds; 1 percent by volume nonflat subrounded moderately coherent cemented ? to 2-? millimeter iron-manganese nodules fragments; strong effervescence; clear smooth boundary.; very dry when described; observed in pit, large or quarry. discontinuous - phpvsfiid 1504907; discontinuous - phpvsfiid 1504907
    Btk2—183 to 203 centimeters (72.0 to 79.9 inches); red (2.5YR 5/6) broken face, red (2.5YR 4/6) broken face, moist; sandy clay loam; 25 percent clay; 3 percent carbonate clay; moderate fine subangular blocky structure; very hard, very firm, moderately sticky, slightly plastic; high excavation difficulty; few fine roots throughout; 20 percent faint clay films on all faces of peds; 3 percent carbonate, finely disseminated throughout and 10 percent medium irregular carbonate masses throughout and 5 percent medium irregular very strongly coherent cemented carbonate nodules throughout; fragments; second stage carbonates developed in the fine earth fraction; violent effervescence; abrupt smooth boundary.; very dry when described; observed in pit, large or quarry. discontinuous - phpvsfiid 1504908; discontinuous - phpvsfiid 1504908