IDENTIFIERS

  • Current Taxon Name (Soil Name): Oconee
  • OSD
  • Series Extent
  • User Site ID: 1980IL117014
  • User Pedon ID: 1980IL117014
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 80IL117014
  • NCSS Pedon Lab Data NASIS Record ID - 21239
  • Print Date: 11/21/2024

    • 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: 39.1966641
  • Std. Longitude: -89.7554486
  • Datum: WGS84
  • Township: 9N
  • Range: 6W
  • Section: 27
  • PLSS Details: 560 feet east and 2540 feet north of southwest corner
  • State: Illinois
  • County: IL117—Macoupin
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain
  • Non-MLRA Soil Survey Area: IL117—Macoupin County, Illinois

    • PEDON

  • Describers Name: MH, LS, SF, DK, SE
  • Current Taxonomic Class: Fine, smectitic, mesic Udollic Endoaqualfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 14
  • Correlated Information:
  • Soil Name - Oconee
  • PSC - 43 to 93 cm.
  • Classificaton Date - 6/8/2009
  • Moisture Class - aquic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Oconee
  • Classificaton Date - 8/1/1980
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Peoria loess and/or Roxana loess and/or Illinoian till
  • Landscape: upland
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1980 (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—43

    43—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

    1

    —

    —

    —

    —

    180

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark grayish brown (10YR 3/2) silt loam; weak fine subangular blocky parts to weak fine granular structure; friable; 3.0 roots between peds; fragments; slightly acid, pH 6.3; abrupt smooth boundary. Lab sample # IL27187
    A21—23 to 33 centimeters (9.1 to 13.0 inches); dark grayish brown (10YR 4/2) silt loam; moderate medium platy structure; friable; 3.0 roots between peds; distinct brown (10YR 5/3), moist, silt coats on all faces of peds; fragments; strongly acid, pH 5.3; abrupt smooth boundary. Lab sample # IL27188
    A22—33 to 43 centimeters (13.0 to 16.9 inches); grayish brown (10YR 5/2) silt loam; 1 percent yellowish brown (10YR 5/6) fine faint mottles; weak medium platy parts to moderate fine subangular blocky structure; friable; 3.0 roots between peds; faint light brownish gray (10YR 6/2), moist, silt coats on all faces of peds; fragments; strongly acid, pH 5.3; abrupt smooth boundary. Lab sample # IL27189
    B21t—43 to 61 centimeters (16.9 to 24.0 inches); grayish brown (10YR 5/2) silty clay loam; 1 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate fine angular blocky structure; friable; 3.0 roots between peds; faint grayish brown (10YR 5/2), moist, clay films on all faces of peds; fragments; very strongly acid, pH 4.7; clear smooth boundary. Lab sample # IL27190. continuous - phpvsfiid 460198; continuous - phpvsfiid 460198
    B22t—61 to 84 centimeters (24.0 to 33.1 inches); grayish brown (10YR 5/2) silty clay loam; 10 percent yellowish brown (10YR 5/6) fine distinct and 10 percent yellowish brown (10YR 5/8) medium distinct mottles; moderate medium subangular blocky structure; friable; 3.0 roots between peds; distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; fragments; strongly acid, pH 5.3; clear smooth boundary. Lab sample # IL27191. continuous - phpvsfiid 460199; continuous - phpvsfiid 460199
    B23t—84 to 117 centimeters (33.1 to 46.1 inches); brown (10YR 5/3) silty clay loam; 10 percent yellowish brown (10YR 5/6) fine distinct and 10 percent yellowish brown (10YR 5/8) medium distinct mottles; moderate medium prismatic structure; friable; 3.0 roots between peds; distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; fragments; strongly acid, pH 5.3; clear smooth boundary. Lab sample # IL27192, IL27193. continuous - phpvsfiid 460200; continuous - phpvsfiid 460200
    B3—117 to 130 centimeters (46.1 to 51.2 inches); pale brown (10YR 6/3) and light gray (10YR 7/2) silty clay loam; 25 percent yellowish brown (10YR 5/4) coarse distinct mottles; weak coarse prismatic structure; friable; 0.6 roots between peds; prominent dark gray (10YR 4/1), moist, clay films on surfaces along root channels; 1 percent prominent iron-manganese concretions in matrix; fragments; slightly acid, pH 6.3; abrupt smooth boundary. Lab sample # IL27194
    C1—130 to 152 centimeters (51.2 to 59.8 inches); pale brown (10YR 6/3) and light gray (10YR 7/2) silt loam; 10 percent yellowish brown (10YR 5/6) medium distinct mottles; structureless massive; friable; 0.6 roots between peds; prominent dark gray (10YR 4/1), moist, clay films on surfaces along root channels; 1 percent prominent iron-manganese concretions in matrix; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL27195
    C2—152 to 183 centimeters (59.8 to 72.0 inches); pale brown (10YR 6/3) and light gray (10YR 7/2) silt loam; 10 percent yellowish brown (10YR 5/6) medium distinct mottles; moderate fine platy, and structureless massive; friable; 0.6 roots between peds; organoargillans on all faces of peds; fragments; slightly acid, pH 6.3. Lab sample # IL27196