IDENTIFIERS

  • Current Taxon Name (Soil Name): Palafox
  • OSD
  • Series Extent
  • User Site ID: S1979TX479001
  • User Pedon ID: 79TX479001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 80P0176
  • NCSS Pedon Lab Data NASIS Record ID - 47954
  • Print Date: 11/13/2025
  • 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: 27.8555565
  • Std. Longitude: -99.6444473
  • Datum: WGS84
  • Location Description: Webb County, junction of Del Mar Blvd and FM 1472 N of Laredo 12 km NW and 25 km N on FM 3338 and 31 meters W in rangeland.
  • State: Texas
  • County: TX479—Webb
  • PEDON

  • Describers Name: Russell Sanders and Wayne Gabriel
  • Current Taxonomic Class: Fine-silty, mixed, superactive, hyperthermic Ustollic Camborthids
  • Current Taxon Kind: taxadjunct
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Palafox
  • Classificaton Date - 7/11/2007
  • Moisture Class - ustic
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Garceno
  • Taxonomic Class - Fine, mixed, hyperthermic Ustollic Camborthid
  • Taxon Kind - series
  • Classificaton Date - 12/1/1979
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: upland
  • Landform: upland slope
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/1/1979 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    0—20

    38—88

    —-

    —-

    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

    1A1—0 to 20 centimeters (0.0 to 7.9 inches); dark grayish brown (10YR 4/2) interior, grayish brown (10YR 5/2) interior, dry; clay loam; weak medium subangular blocky, and weak fine granular structure; hard, friable; 2.5 fine and medium roots throughout; 0.5 fine tubular pores; fragments; slightly alkaline, pH 7.6, hellige-truog; clear wavy boundary. Lab sample # 80P00885. Upper 2 in of surface is crusted and one chip higher in color value with weak fine platy structure. non calcareous but coatings of calcium carbonate effervesce.; common fine and medium roots throughout
    1B1—20 to 38 centimeters (7.9 to 15.0 inches); dark grayish brown (10YR 4/2) interior, grayish brown (10YR 5/2) interior, dry; clay; weak medium subangular blocky structure; hard, firm; 2.5 fine and medium roots throughout; 0.5 fine tubular pores; lime masses; fragments; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 80P00886. Color values slightly lower than A1 horizon.; common fine and medium roots throughout
    1B21—38 to 69 centimeters (15.0 to 27.2 inches); brown (10YR 4/3) interior, pale brown (10YR 6/3) interior, dry; clay; weak medium angular blocky structure; hard, firm; 0.5 fine and medium roots throughout; 0.5 fine tubular pores; 1 percent lime masses; fragments; moderately alkaline, pH 8.2, hellige-truog; gradual wavy boundary. Lab sample # 80P00887. few soft masses of lime concentrations; few fine and medium roots throughout
    1B22ca—69 to 109 centimeters (27.2 to 42.9 inches); brown (10YR 5/3) interior, pale brown (10YR 6/3) interior, dry; clay; weak medium subangular blocky structure; hard, firm; 0.5 fine roots throughout; 11 percent lime masses; fragments; slightly alkaline, pH 7.6, hellige-truog; clear wavy boundary. Lab sample # 80P00888. common soft masses of lime concentrations; few fine roots throughout
    1Cca—109 to 150 centimeters (42.9 to 59.1 inches); pale brown (10YR 6/3) interior, very pale brown (10YR 7/3) interior, dry; clay; weak fine subangular blocky structure; hard, firm; 0.5 fine roots throughout; salt crystals and 11 percent lime masses; fragments; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 80P00889. common soft masses of lime concentrations; few fine roots throughout
    1C—150 to 183 centimeters (59.1 to 72.0 inches); pale brown (10YR 6/3) interior, very pale brown (10YR 7/3) interior, dry; clay; weak fine subangular blocky structure; hard, firm; 1 percent lime masses and 1 percent salt crystals; fragments; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 80P00890. few halite crystals concentrations; few soft masses of lime concentrations