IDENTIFIERS

  • Current Taxon Name (Soil Name): Blackoar
  • OSD
  • Series Extent
  • User Site ID: 1987IL027040
  • User Pedon ID: 1987IL027040
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 87IL027040
  • NCSS Pedon Lab Data NASIS Record ID - 22046
  • Print Date: 12/17/2024

    • 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: 38.6257167
  • Std. Longitude: -89.6299500
  • Datum: WGS84
  • Township: 2N
  • Range: 5W
  • Section: 14
  • PLSS Details: 528 feet E & 350 feet S of NW corner
  • State: Illinois
  • County: IL027—Clinton
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain
  • Non-MLRA Soil Survey Area: IL027—Clinton County, Illinois
  • 7.5 Minute USGS Quad: 38089-F6—Highland, Illinois

    • PEDON

  • Describers Name: RT
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Fluvaquentic Endoaquolls
  • Current Taxon Kind: series
  • Pedon Record Orgin: PedonPC
  • Pedon #: 40
  • Correlated Information:
  • Soil Name - Blackoar
  • PSC - 25 to 100 cm.
  • Classificaton Date - 1/4/2010
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Birds
  • Classificaton Date - 8/1/1987
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1987 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
    • 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

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    135

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    Ap—0 to 18 centimeters (0.0 to 7.1 inches); dark grayish brown (10YR 4/2) and very dark grayish brown (10YR 3/2) rubbed, brown (10YR 5/3), dry; silt loam; weak medium subangular blocky, and strong coarse granular structure; friable; 3.0 fine roots; fragments; neutral, pH 7.0; abrupt smooth boundary. Lab sample # IL33423
    A—18 to 38 centimeters (7.1 to 15.0 inches); very dark grayish brown (10YR 3/2) rubbed, brown (10YR 5/3), dry; silt loam; weak coarse subangular blocky, and weak fine subangular blocky structure; friable; 25 percent faint very dark grayish brown (10YR 3/2), moist, organic stains on all faces of peds; 1 percent fine iron-manganese concretions; fragments; slightly acid, pH 6.2; clear smooth boundary. Lab sample # IL33424
    AB—38 to 56 centimeters (15.0 to 22.0 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; 1 percent yellowish brown (10YR 5/6) fine distinct mottles; weak coarse subangular blocky structure; friable; 25 percent faint dark brown (10YR 3/3), moist, organic stains on all faces of peds; 1 percent fine iron-manganese concretions; fragments; moderately acid, pH 6.0; gradual smooth boundary. Lab sample # IL33425
    Cg1—56 to 86 centimeters (22.0 to 33.9 inches); dark grayish brown (10YR 4/2) silt loam; 1 percent dark yellowish brown (10YR 4/4) fine distinct and 1 percent brown (7.5YR 4/4) fine prominent mottles; massive; friable; 1 percent fine iron-manganese concretions; fragments; very strongly acid, pH 4.7; gradual smooth boundary. Lab sample # IL33426
    Cg2—86 to 127 centimeters (33.9 to 50.0 inches); grayish brown (10YR 5/2) silt loam; 1 percent dark reddish brown (2.5YR 3/4) fine prominent and 10 percent reddish brown (2.5YR 4/4) medium prominent mottles; massive; friable; 1 percent medium iron-manganese concretions; fragments; strongly acid, pH 5.2; gradual smooth boundary. Lab sample # IL33427
    Cg3—127 to 150 centimeters (50.0 to 59.1 inches); grayish brown (10YR 5/2) silt loam; 1 percent reddish brown (5YR 4/4) medium prominent and 10 percent brown (7.5YR 4/4) medium prominent mottles; massive; firm; 1 percent medium iron-manganese concretions; fragments; moderately acid, pH 5.9; gradual smooth boundary. Lab sample # IL33428
    Cg4—150 to 185 centimeters (59.1 to 72.8 inches); light brownish gray (10YR 6/2) silt loam; 10 percent brown (7.5YR 4/4) fine prominent mottles; massive; firm; 1 percent medium iron-manganese concretions; fragments; neutral, pH 6.9. Lab sample # IL33429