IDENTIFIERS

  • Current Taxon Name (Soil Name): Colp
  • OSD
  • Series Extent
  • User Site ID: 1980IL157085
  • User Pedon ID: 1980IL157085
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 80IL157085
  • NCSS Pedon Lab Data NASIS Record ID - 21202
  • Print Date: 5/19/2024

    • 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: 38.1816728
  • Std. Longitude: -89.9750350
  • Datum: WGS84
  • Township: 4S
  • Range: 8W
  • Section: 15
  • PLSS Details: 1073 feet N & 1492 feet E of SW corner
  • State: Illinois
  • County: IL157—Randolph
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain
  • Non-MLRA Soil Survey Area: IL157—Randolph County, Illinois
  • 7.5 Minute USGS Quad: 38089-B8—Red Bud, Illinois

    • PEDON

  • Describers Name: DJF, CCM
  • Current Taxonomic Class: Fine, smectitic, mesic Aquertic Chromic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 85
  • Correlated Information:
  • Soil Name - Colp
  • PSC - 13 to 63 cm.
  • Classificaton Date - 1/4/2010
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Colp
  • Classificaton Date - 11/1/1979
  • Dynamic Soil Properties:
  • Erosion Class - 3
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: clayey lacustrine over silty sediments
  • Landscape: lake plain
  • Landform: overflow stream channel
  • Geomorphic Component Hills: side slope
  • Runoff: medium
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/1/1979 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - hayland
  • 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

    ochric epipedon

    argillic horizon

    0—13

    13—117

    —-

    —-
    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

    5

    —

    —

    127

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    —

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    —
    Ap—0 to 13 centimeters (0.0 to 5.1 inches); brown (7.5YR 4/4) silty clay loam; moderate medium granular structure; friable; fragments; slightly acid, pH 6.4, lamotte-morgan; abrupt smooth boundary. Lab sample # IL27572; observed in push tube
    B21t—13 to 33 centimeters (5.1 to 13.0 inches); brown (7.5YR 4/4) silty clay; strong medium angular blocky structure; very firm; faint dark brown (7.5YR 3/4), moist, clay films on all faces of peds; fragments; moderately acid, pH 5.8, lamotte-morgan; clear smooth boundary. Lab sample # IL27573; observed in push tube. continuous - phpvsfiid 480576; continuous - phpvsfiid 480576
    B22t—33 to 48 centimeters (13.0 to 18.9 inches); dark yellowish brown (10YR 4/4) silty clay loam; 1 percent dark yellowish brown (10YR 4/6) fine faint mottles; weak medium prismatic parts to moderate medium subangular blocky structure; very firm; distinct dark brown (10YR 3/3), moist, clay films on all faces of peds; 1 percent prominent iron-manganese concretions in matrix; fragments; slightly acid, pH 6.1, lamotte-morgan; clear smooth boundary. Lab sample # IL27574; observed in push tube. continuous - phpvsfiid 480577; continuous - phpvsfiid 480577
    B23t—48 to 64 centimeters (18.9 to 25.2 inches); brown (10YR 5/3) and dark yellowish brown (10YR 4/4) silty clay loam; 10 percent yellowish brown (10YR 5/6) medium faint mottles; weak medium prismatic parts to moderate medium subangular blocky structure; firm; distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds; 10 percent prominent iron-manganese concretions in matrix; fragments; slightly acid, pH 6.4, lamotte-morgan; clear smooth boundary. Lab sample # IL27575; observed in push tube. continuous - phpvsfiid 480579; continuous - phpvsfiid 480579
    B24t—64 to 84 centimeters (25.2 to 33.1 inches); pale brown (10YR 6/3) silty clay loam; 1 percent reddish brown (2.5YR 4/4) medium prominent and 10 percent strong brown (7.5YR 5/6) medium distinct mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; faint brown (10YR 5/3), moist, clay films on all faces of peds; 10 percent prominent iron-manganese concretions in matrix; fragments; neutral, pH 6.8, lamotte-morgan; gradual smooth boundary. Lab sample # IL27576; observed in push tube. continuous - phpvsfiid 480578; continuous - phpvsfiid 480578
    B25t—84 to 117 centimeters (33.1 to 46.1 inches); pale brown (10YR 6/3) silty clay loam; 10 percent strong brown (7.5YR 5/6) medium distinct mottles; moderate medium prismatic structure; friable; faint brown (10YR 5/3), moist, clay films on all faces of peds; 25 percent prominent iron-manganese concretions in matrix; fragments; neutral, pH 7.0, lamotte-morgan; gradual smooth boundary. Lab sample # IL27577; observed in push tube. patchy - phpvsfiid 480582; patchy - phpvsfiid 480582
    B3—117 to 145 centimeters (46.1 to 57.1 inches); pale brown (10YR 6/3) loam; 25 percent light brown (7.5YR 6/3) medium distinct mottles; weak medium prismatic structure; friable; 10 percent faint brown (10YR 5/3), moist, clay films on all faces of peds; 25 percent prominent iron-manganese concretions in matrix; fragments; slightly alkaline, pH 7.4, lamotte-morgan; gradual smooth boundary. Lab sample # IL27578; observed in push tube. patchy - phpvsfiid 480581; patchy - phpvsfiid 480581
    C—145 to 183 centimeters (57.1 to 72.0 inches); light yellowish brown (10YR 6/4) fine sandy loam; 25 percent yellowish brown (10YR 5/6) coarse faint mottles; structureless massive; friable; distinct brown (10YR 5/3), moist, clay films on surfaces along root channels; 25 percent prominent iron-manganese concretions in matrix; fragments; slightly alkaline, pH 7.4, lamotte-morgan. Lab sample # IL27579; observed in push tube