IDENTIFIERS

  • Current Taxon Name (Soil Name): Wilcox
  • OSD
  • Series Extent
  • User Site ID: 90AL131001-pgm
  • User Pedon ID: 90AL131001-pgm
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - AU
  • Lab Pedon # - S90AL-131-1
  • NCSS Pedon Lab Data NASIS Record ID - 24442
  • Print Date: 2/17/2025

    • 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: 32.1329500
  • Std. Longitude: -87.4941667
  • Datum: WGS84
  • Township: 13 N
  • Range: 6 E
  • Section: 5
  • PLSS Details: NE1/4, NE1/4
  • Location Description: About 3.75 miles south-southwest of Catherine, Wilcox Co., AL; 150 feet south and 1,300 feet west of the northeast corner of sec. 5, T. 13 N., R. 6 E.; USGS Catherine, AL topographic quadrangle.
  • State: Alabama
  • County: AL131—Wilcox
  • MLRA: 135A—Alabama and Mississippi Blackland Prairie
  • Regional Office: 7—Auburn, AL
  • Non-MLRA Soil Survey Area: AL131—Wilcox County, Alabama

    • PEDON

  • Current Taxonomic Class: Very-fine, smectitic, thermic Chromic dystruderts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Wilcox
  • PSC - 10 to 100 cm.
  • Classificaton Date - 3/4/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Wilcox
  • Classificaton Date - 9/1/1990
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: strongly weathered, clayey marine deposits derived from shale, clayey
  • Landscape: coastal plain
  • Landform: ridge
  • Geomorphic Component Hills: crest
  • Hill Slope Profile: summit
  • Slope Complexity: complex
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: high
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: weakly coherent moderate weathered shale, clayey at 132cm
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1990 (actual site observation date)
  • Air Photo ID:
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    weakly coherent

    132 - 203

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    argillic horizon

    slickensides

    paralithic contact

    10—43

    10—132

    132—

    —-

    —-

    —-
    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

    3

    —

    —

    47

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    —
    Ap—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 4/3) ; 8 percent sand; 32 percent silt; 60 percent clay; moderate fine subangular blocky structure; firm; 6.0 fine roots; 1 percent fine faint brown (7.5YR 4/4) masses of oxidized iron on surfaces along root channels; fragments; strongly acid, pH 5.2; abrupt smooth boundary. Lab sample # 9031-1-1; observed in pit, small
    Btss—10 to 43 centimeters (3.9 to 16.9 inches); yellowish red (5YR 5/6) ; 2 percent sand; 14 percent silt; 83 percent clay; moderate fine angular blocky, and moderate medium angular blocky, and weak coarse subangular blocky structure; very firm; 4.0 medium roots and 4.0 fine roots; 10 percent faint clay films on surfaces along pores and 10 percent faint slickensides (pedogenic); 10 percent medium distinct pale brown (10YR 6/3) iron depletions and 25 percent medium distinct light brownish gray (10YR 6/2) iron depletions; fragments; very strongly acid, pH 4.7; clear wavy boundary. Lab sample # 9031-1-2; observed in pit, small
    Bss1—43 to 104 centimeters (16.9 to 40.9 inches); 45 percent light brownish gray (2.5Y 6/2) and 30 percent red (2.5YR 5/6) and 25 percent yellowish brown (10YR 5/6) ; 2 percent sand; 13 percent silt; 85 percent clay; moderate coarse angular blocky structure; firm; 4.0 medium roots between peds and 4.0 fine roots between peds; 40 percent distinct slickensides (pedogenic); fragments; extremely acid, pH 4.4; clear wavy boundary. Lab sample # 9031-1-3; observed in pit, small
    Bss2—104 to 132 centimeters (40.9 to 52.0 inches); 50 percent light brownish gray (2.5Y 6/2) and 30 percent yellowish red (5YR 5/6) and 20 percent yellowish brown (10YR 5/6) ; 1 percent sand; 13 percent silt; 86 percent clay; moderate coarse angular blocky structure; very firm; 0.5 fine roots between peds; 40 percent distinct slickensides (pedogenic); 5 percent by volume flat shale, acid fragments; extremely acid, pH 4.0; clear irregular boundary. Lab sample # 9031-1-4; observed in pit, small
    Cr1—132 to 163 centimeters (52.0 to 64.2 inches); light brownish gray (2.5Y 6/2) ; strong thick platy structure; very firm; low excavation difficulty; 0.5 fine roots in cracks; 10 percent fine olive yellow (2.5Y 6/6) masses of oxidized iron in cracks; fragments; extremely acid, pH 4.3; gradual wavy boundary. Lab sample # 9031-1-5; observed in pit, small
    Cr2—163 to 203 centimeters (64.2 to 79.9 inches); grayish brown (2.5Y 5/2) ; strong thick platy structure; very firm; low excavation difficulty; 25 percent medium distinct olive yellow (2.5Y 6/6) and light olive brown (2.5Y 5/4) masses of oxidized iron in cracks; fragments; very strongly acid, pH 4.8. Lab sample # 9031-1-6; observed in pit, small