IDENTIFIERS

  • Current Taxon Name (Soil Name): Randall
  • OSD
  • Series Extent
  • User Site ID: 077C-S01TX189002
  • User Pedon ID: 01TX189002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 01N1051
  • NCSS Pedon Lab Data NASIS Record ID - 14382
  • Print Date: 11/12/2024

    • 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: 33.8444443
  • Std. Longitude: -101.6955566
  • Datum: WGS84
  • Location Description: From the intersection of FM 400 and FM54 (approx. 5mi. 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 basin
  • 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 #: 2
  • Correlated Information:
  • Soil Name - Randall
  • Classificaton Date - 3/27/2012
  • Soil Taxonomic Edition - eighth edition
  • Sampled As Information:
  • Soil Name - Randall
  • Classificaton Date - 5/21/2001
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/21/2001 (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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    aquic conditions

    mollic epipedon

    slickensides

    0—150

    0—36

    36—293

    —150—

    —36—

    —257—
    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

    —

    —

    —

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 10 centimeters (0.0 to 3.9 inches); very dark gray (10YR 3/1) clay; weak medium subangular blocky structure; friable; 7.0 medium roots and 7.0 fine roots and 3.0 coarse roots; fragments; very slight effervescence; clear smooth boundary. Lab sample # 01N05366; observed in pit, small
    A2—10 to 36 centimeters (3.9 to 14.2 inches); very dark gray (10YR 3/1) clay; moderate medium subangular blocky, and moderate medium blocky structure; firm; 7.0 medium roots and 7.0 fine roots and 7.0 coarse roots; 1 percent by volume shell fragments fragments; very slight effervescence; clear wavy boundary. Lab sample # 01N05365
    Bkss1—36 to 74 centimeters (14.2 to 29.1 inches); very dark gray (7.5YR 3/1) clay; moderate medium wedge, and weak medium prismatic structure; very firm; 7.0 medium roots and 7.0 fine roots and 3.0 coarse roots; 1 percent medium iron-manganese nodules; 5 percent fine carbonate concretions and 2 percent medium carbonate concretions; fragments; strong effervescence; gradual wavy boundary. Lab sample # 01N05367
    Bkss2—74 to 108 centimeters (29.1 to 42.5 inches); gray (10YR 5/1) clay; moderate medium wedge, and weak medium prismatic structure; very firm; 7.0 medium roots and 7.0 fine roots and 3.0 coarse roots; 1 percent medium iron-manganese nodules; 5 percent fine carbonate concretions and 2 percent medium carbonate concretions; fragments; strong effervescence; gradual wavy boundary. Lab sample # 01N05368
    Bkss3—108 to 150 centimeters (42.5 to 59.1 inches); gray (10YR 5/1) clay; moderate medium wedge, and weak medium prismatic structure; very firm; 3.0 medium roots and 3.0 fine roots and 3.0 coarse roots; 1 percent medium iron-manganese nodules; 4 percent fine carbonate concretions and 1 percent medium carbonate concretions; fragments; violent effervescence; diffuse boundary. Lab sample # 01N05369
    Bkss4—150 to 180 centimeters (59.1 to 70.9 inches); dark gray (10YR 4/1) clay; moderate medium wedge structure; very firm; 3.0 medium roots and 3.0 fine roots and 3.0 coarse roots; 1 percent medium iron-manganese nodules; 4 percent fine carbonate concretions and 1 percent medium carbonate concretions; fragments; violent effervescence; clear wavy boundary. Lab sample # 01N05370
    Bkss5—180 to 219 centimeters (70.9 to 86.2 inches); 60 percent dark gray (10YR 4/1) and 40 percent light olive brown (2.5Y 5/3) clay; weak medium wedge structure; very firm; 0.8 medium roots and 0.8 fine roots; 2 percent fine carbonate concretions and 1 percent medium carbonate concretions; fragments; violent effervescence; gradual wavy boundary. Lab sample # 01N05371
    Bkss6—219 to 240 centimeters (86.2 to 94.5 inches); 60 percent gray (10YR 5/1) and 40 percent light yellowish brown (2.5Y 6/3) clay; weak medium wedge structure; very firm; 0.8 medium roots and 0.8 fine roots; 2 percent fine carbonate concretions and 1 percent medium carbonate concretions; fragments; violent effervescence; clear wavy boundary. Lab sample # 01N05372
    Bkss7—240 to 293 centimeters (94.5 to 115.4 inches); 60 percent light brownish gray (2.5Y 6/2) and 40 percent dark gray (10YR 4/1) clay; weak medium wedge structure; firm; 0.8 medium roots and 0.8 fine roots; fragments; violent effervescence. Lab sample # 01N05373