IDENTIFIERS

  • Current Taxon Name (Soil Name): Randall
  • OSD
  • Series Extent
  • User Site ID: 077C-S01TX189003
  • User Pedon ID: 01TX189003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 01N1052
  • NCSS Pedon Lab Data NASIS Record ID - 14383
  • Print Date: 12/11/2024

    • 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: 33.8445015
  • Std. Longitude: -101.6952209
  • Datum: WGS84
  • Location Description: From the intersection of FM 400 and FM 54 (approx. 5 mi. W of Petersburg) 1.5 mi. S on FM 400 then approx. 0.8 mi. S on unpaved county road, then approx. 0.25 mi. W 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 Ustic Epiaquerts
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Randall
  • Classificaton Date - 3/27/2012
  • Soil Taxonomic Edition - eighth edition
  • Sampled As Information:
  • Soil Name - Randall
  • Classificaton Date - 5/22/2001
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium and/or loess
  • Drainage Class: poorly
  • Ponding: rare ponding for brief periods
  • Geology: Blackwater Draw Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/22/2001 (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

    2

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    Ap—0 to 17 centimeters (0.0 to 6.7 inches); 80 percent very dark gray (10YR 3/1) and 20 percent brown (10YR 4/3) clay; weak medium subangular blocky structure; friable; 7.0 very fine roots and 7.0 medium roots and 7.0 fine roots; 1 percent fine carbonate nodules; fragments; slight effervescence; clear smooth boundary. Lab sample # 01N05374; observed in pit, small
    A—17 to 49 centimeters (6.7 to 19.3 inches); very dark gray (10YR 3/1) clay; weak coarse prismatic, and weak medium subangular blocky structure; friable; 7.0 very fine roots and 7.0 medium roots and 7.0 fine roots; 2 percent fine carbonate nodules; fragments; slight effervescence; clear wavy boundary. Lab sample # 01N05375
    Bkss1—49 to 88 centimeters (19.3 to 34.6 inches); dark gray (10YR 4/1) clay; moderate medium wedge, and weak coarse prismatic structure; very firm; 0.5 very fine roots and 0.5 medium roots and 0.5 fine roots; 2 percent medium iron-manganese concretions; 2 percent coarse carbonate nodules and 4 percent fine carbonate nodules; fragments; strong effervescence; gradual wavy boundary. Lab sample # 01N05376
    Bkss2—88 to 161 centimeters (34.6 to 63.4 inches); dark gray (2.5Y 4/1) clay; moderate medium wedge structure; very firm; 0.5 very fine roots and 0.5 medium roots and 0.5 fine roots; 2 percent medium iron-manganese concretions; 4 percent coarse carbonate nodules and 3 percent fine carbonate nodules; fragments; strong effervescence; gradual wavy boundary. Lab sample # 01N05377
    Bkss3—161 to 200 centimeters (63.4 to 78.7 inches); gray (2.5Y 5/1) clay; moderate medium wedge structure; very firm; 0.1 very fine roots and 0.1 medium roots and 0.1 fine roots; 2 percent medium iron-manganese concretions; 2 percent coarse carbonate masses and 4 percent coarse carbonate nodules and 3 percent fine carbonate nodules; fragments; strong effervescence; clear wavy boundary. Lab sample # 01N05378
    Bkss4—200 to 221 centimeters (78.7 to 87.0 inches); 60 percent dark gray (2.5Y 4/1) and 40 percent light brownish gray (2.5Y 6/2) clay; weak medium wedge structure; very firm; 0.1 very fine roots and 0.1 medium roots and 0.1 fine roots; 4 percent medium carbonate masses and 2 percent medium carbonate nodules; fragments; strong effervescence; clear wavy boundary. Lab sample # 01N05379
    Bkss5—221 to 317 centimeters (87.0 to 124.8 inches); 60 percent light yellowish brown (2.5Y 6/3) and 40 percent gray (2.5Y 5/1) clay; weak medium wedge structure; firm; fragments; violent effervescence. Lab sample # 01N05380