IDENTIFIERS

  • Current Taxon Name (Soil Name): Lofton
  • OSD
  • Series Extent
  • User Site ID: 077C-S01TX189004
  • User Pedon ID: 01TX189004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 01N1053
  • NCSS Pedon Lab Data NASIS Record ID - 14384
  • Print Date: 6/2/2024

    • 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: 33.8445282
  • Std. Longitude: -101.6949158
  • Datum: WGS84
  • Location Description: From the intersection of FM 400 and FM 54 (approx 5 mi. West of Petersburg) 1.5 mi. South on FM 400, then approx. 0.8 mi. South on unpaved county road, then approx. 0.25 mi. West in playa.
  • Country: US—United States
  • State: Texas
  • County: TX189—Hale
  • MLRA: 77C—Southern High Plains, Southern Part
  • 7.5 Minute USGS Quad: 33101-G6—Heckville, Texas

    • PEDON

  • Describers Name: MLRA77 survey staff, BLA,SP
  • Current Taxonomic Class: Fine, smectitic, thermic Vertic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Lofton
  • Classificaton Date - 3/27/2012
  • Soil Taxonomic Edition - eighth edition
  • Sampled As Information:
  • Soil Name - Lofton
  • Classificaton Date - 5/24/2001
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium and/or loess
  • Drainage Class: poorly
  • Ponding: none ponding
  • Geology: Blackwater Draw Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/24/2001 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

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    Ap—0 to 17 centimeters (0.0 to 6.7 inches);, dark brown (7.5YR 3/2), moist; clay; weak medium subangular blocky structure; friable; 8.0 very fine roots and 4.0 medium roots and 8.0 fine roots; fragments; slight effervescence; clear smooth boundary. Lab sample # 01N05381; observed in pit, small
    A—17 to 48 centimeters (6.7 to 18.9 inches);, very dark gray (7.5YR 3/1), moist; clay; weak medium subangular blocky structure; friable; 8.0 very fine roots and 4.0 medium roots and 8.0 fine roots; 4 percent medium carbonate nodules; fragments; slight effervescence; gradual wavy boundary. Lab sample # 01N05382
    Bkss1—48 to 92 centimeters (18.9 to 36.2 inches);, very dark gray (7.5YR 3/1), moist; clay; weak medium wedge, and weak coarse prismatic structure; firm; 8.0 very fine roots and 4.0 medium roots and 8.0 fine roots; 2 percent fine carbonate nodules; fragments; strong effervescence; gradual wavy boundary. Lab sample # 01N05383
    Bkss2—92 to 156 centimeters (36.2 to 61.4 inches);, dark gray (10YR 4/1), moist; clay; weak medium wedge, and weak coarse prismatic structure; very firm; 8.0 very fine roots and 4.0 medium roots and 8.0 fine roots; 1 percent fine iron-manganese concretions; 2 percent fine carbonate nodules and 1 percent medium carbonate nodules and 1 percent medium carbonate masses; fragments; violent effervescence; gradual wavy boundary. Lab sample # 01N05384
    Bkss3—156 to 194 centimeters (61.4 to 76.4 inches);, dark grayish brown (10YR 4/2), moist; clay; weak medium wedge, and weak coarse prismatic structure; very firm; 0.5 very fine roots and 0.5 fine roots; 1 percent fine yellowish brown (10YR 5/6), moist, iron-manganese concretions; 1 percent fine carbonate nodules and 2 percent medium carbonate masses; fragments; violent effervescence; clear wavy boundary. Lab sample # 01N05385
    Bw1—194 to 217 centimeters (76.4 to 85.4 inches);, light yellowish brown (2.5Y 6/3), moist; silty clay; weak coarse subangular blocky structure; firm; 0.5 very fine roots and 0.5 fine roots; 10 percent medium dark yellowish brown (10YR 4/6), moist, and yellowish brown (10YR 5/6), moist, iron-manganese concretions; fragments; violent effervescence; clear wavy boundary. Lab sample # 01N05386
    Bw2—217 to 249 centimeters (85.4 to 98.0 inches); silty clay loam; weak medium angular blocky, and weak medium prismatic structure; firm; 0.4 very fine roots and 0.4 fine roots; 3 percent fine olive yellow (2.5Y 6/6), moist, iron-manganese concretions; 2 percent fine carbonate masses; fragments; strong effervescence; clear wavy boundary. Lab sample # 01N05387
    Bk—249 to 291 centimeters (98.0 to 114.6 inches);, light brownish gray (2.5Y 6/2), moist; silty clay loam; weak fine subangular blocky, and weak medium subangular blocky structure; friable; 0.4 very fine roots and 0.4 fine roots; 10 percent medium carbonate masses with diffuse boundaries; fragments; violent effervescence; abrupt smooth boundary. Lab sample # 01N05388