IDENTIFIERS

  • Current Taxon Name (Soil Name): Darwin
  • OSD
  • Series Extent
  • User Site ID: 1978IL083003
  • User Pedon ID: 1978IL083003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 78IL083003
  • NCSS Pedon Lab Data NASIS Record ID - 20965
  • Print Date: 11/23/2024

    • 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: 39.0082576
  • Std. Longitude: -90.5540741
  • Datum: WGS84
  • Township: 7N
  • Range: 13W
  • Section: 33
  • Location Description: 65YDS W & 35YDS N of gravel parking area,1/4mi W of Rt.100
  • State: Illinois
  • County: IL083—Jersey
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: IL083—Jersey County, Illinois
  • 7.5 Minute USGS Quad: 39090-A5—Nutwood, Illinois

    • PEDON

  • Describers Name: MAF
  • Current Taxonomic Class: Fine, smectitic, mesic Fluvaquentic Vertic Endoaquolls
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Darwin
  • PSC - 25 to 100 cm.
  • Classificaton Date - 1/4/2010
  • Moisture Class - aquic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Darwin
  • Classificaton Date - 10/1/1978
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: clayey alluvium
  • Landscape: river valley
  • Landform: flood plain
  • Runoff: negligible
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1978 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    0—43

    43—119

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    —-
    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

    —

    —

    129

    —

    —

    —

    —

    —

    —

    —

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    A1—0 to 25 centimeters (0.0 to 9.8 inches); very dark gray (10YR 3/1) silty clay; weak medium granular structure; firm; 6.0 roots between peds; 10 percent worm casts in matrix; fragments; clear smooth boundary. Lab sample # IL23361
    A3—25 to 43 centimeters (9.8 to 16.9 inches); very dark gray (10YR 3/1) silty clay; weak medium prismatic parts to weak medium angular blocky structure; firm; 6.0 roots between peds; 10 percent worm casts in matrix; fragments; clear smooth boundary. Lab sample # IL23362
    B21g—43 to 58 centimeters (16.9 to 22.8 inches); dark gray (5Y 4/1) silty clay; 1 percent yellowish brown (10YR 5/8) fine faint mottles; weak medium prismatic parts to moderate medium angular blocky structure; firm; 3.0 roots between peds; 10 percent worm casts in matrix; 1 percent by volume angular weakly coherent cemented shell fragments fragments; clear smooth boundary. Lab sample # IL23363
    B22g—58 to 91 centimeters (22.8 to 35.8 inches); dark gray (5Y 4/1) silty clay; 1 percent yellowish brown (10YR 5/8) fine faint mottles; weak medium prismatic parts to moderate medium angular blocky structure; firm; 3.0 roots between peds; 10 percent worm casts in matrix; 1 percent by volume angular weakly coherent cemented shell fragments fragments; clear smooth boundary. Lab sample # IL23364
    B3g—91 to 119 centimeters (35.8 to 46.9 inches); gray (5Y 5/1) silty clay; 10 percent yellowish brown (10YR 5/8) fine distinct mottles; weak medium angular blocky structure; firm; 3.0 roots between peds; 10 percent worm casts in matrix; 1 percent by volume angular weakly coherent cemented shell fragments fragments; clear smooth boundary. Lab sample # IL23365
    C1g—119 to 137 centimeters (46.9 to 53.9 inches); gray (5Y 5/1) silty clay; 10 percent yellowish brown (10YR 5/8) fine distinct mottles; structureless massive, and weak medium angular blocky; firm; 0.6 roots between peds; 10 percent worm casts in matrix; 10 percent by volume angular weakly coherent cemented shell fragments fragments; clear smooth boundary. Lab sample # IL23366
    C2g—137 to 147 centimeters (53.9 to 57.9 inches); gray (5Y 5/1) silty clay; 10 percent yellowish brown (10YR 5/8) fine distinct mottles; structureless massive; firm; 0.6 roots between peds; 1 percent worm casts in matrix; 25 percent by volume angular weakly coherent cemented shell fragments fragments. Lab sample # IL23367