IDENTIFIERS

  • Current Taxon Name (Soil Name): Randall
  • OSD
  • Series Extent
  • User Site ID: 077C-S01TX189001
  • User Pedon ID: 01TX189001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 01N1050
  • NCSS Pedon Lab Data NASIS Record ID - 14381
  • 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: 33.8443604
  • Std. Longitude: -101.6963577
  • Datum: WGS84
  • Location Description: From the intersection of FM400 and FM54 (approximately 5 miles west of Petersburg) 1.5 miles south on FM 400, then approximately 0.8 miles south on unpaved county road, then approximately 0.25 miles west 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 #: 1
  • Correlated Information:
  • Soil Name - Randall
  • Classificaton Date - 3/27/2012
  • Soil Taxonomic Edition - eighth edition
  • Sampled As Information:
  • Soil Name - Randall
  • Classificaton Date - 4/27/2001
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium and/or loess
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • 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: 4/27/2001 (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

    mollic epipedon

    aquic conditions

    slickensides

    0—29

    0—147

    29—306

    —29—

    —147—

    —285—
    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 11 centimeters (0.0 to 4.3 inches); very dark gray (7.5YR 3/1) clay; weak fine granular structure; firm; 7.0 medium roots and 7.0 fine roots and 0.8 coarse roots; 1 percent fine iron-manganese concretions on faces of peds; 6 percent by volume shell fragments fragments; noneffervescent; clear smooth boundary. Lab sample # 01N05356; observed in pit, small
    A2—11 to 29 centimeters (4.3 to 11.4 inches); very dark gray (7.5YR 3/1) clay; moderate medium angular blocky structure; very firm; 7.0 medium roots and 7.0 fine roots and 0.8 coarse roots; 1 percent fine iron-manganese concretions on faces of peds; 6 percent by volume shell fragments fragments; noneffervescent; clear wavy boundary. Lab sample # 01N05357
    Bss—29 to 57 centimeters (11.4 to 22.4 inches); very dark gray (10YR 3/1) clay; moderate medium angular blocky parts to moderate medium wedge structure; very firm; 7.0 medium roots and 7.0 fine roots; 1 percent by volume shell fragments fragments; noneffervescent; clear wavy boundary. Lab sample # 01N05358
    Bkss1—57 to 79 centimeters (22.4 to 31.1 inches); dark gray (10YR 4/1) clay; weak medium angular blocky parts to moderate medium wedge structure; very firm; 7.0 medium roots and 7.0 fine roots; 8 percent medium carbonate nodules; fragments; very slight effervescence; gradual wavy boundary. Lab sample # 01N05359
    Bkss2—79 to 108 centimeters (31.1 to 42.5 inches); dark gray (10YR 4/1) clay; weak medium angular blocky parts to moderate medium wedge, and weak medium angular blocky parts to weak coarse prismatic structure; very firm; 3.0 medium roots and 3.0 fine roots; 3 percent coarse carbonate nodules and 8 percent medium carbonate nodules; fragments; slight effervescence; gradual wavy boundary. Lab sample # 01N05360
    Bkss3—108 to 147 centimeters (42.5 to 57.9 inches); dark gray (10YR 4/1) clay; weak medium angular blocky parts to moderate medium wedge, and weak medium angular blocky parts to weak coarse prismatic structure; very firm; 0.8 fine roots; 5 percent medium carbonate nodules; fragments; slight effervescence; gradual wavy boundary. Lab sample # 01N05361
    Bkss4—147 to 182 centimeters (57.9 to 71.7 inches); gray (10YR 5/1) clay; weak medium angular blocky parts to moderate medium wedge structure; very firm; 0.8 fine roots; 6 percent coarse carbonate masses and 3 percent medium carbonate nodules; fragments; slight effervescence; gradual wavy boundary. Lab sample # 01N05362
    Bkss5—182 to 248 centimeters (71.7 to 97.6 inches); very dark gray (10YR 3/1) clay; weak medium angular blocky parts to moderate medium wedge structure; very firm; 0.8 fine roots; 4 percent coarse carbonate masses and 3 percent medium carbonate nodules; fragments; slight effervescence; gradual wavy boundary. Lab sample # 01N05363
    Bkss6—248 to 306 centimeters (97.6 to 120.5 inches); 75 percent grayish brown (2.5Y 5/2) and 25 percent dark gray (2.5Y 4/1) clay; moderate coarse wedge parts to weak coarse prismatic structure; firm; 0.8 fine roots; 2 percent coarse carbonate masses; fragments; violent effervescence. Lab sample # 01N05364