IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarence
  • OSD
  • Series Extent
  • User Site ID: 1976IL075007
  • User Pedon ID: 1976IL075007
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - IL SCL
  • Lab Pedon # - 76IL075007
  • NCSS Pedon Lab Data NASIS Record ID - 20820
  • Print Date: 11/24/2024

    • 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: 40.5634597
  • Std. Longitude: -88.0960483
  • Datum: WGS84
  • Township: 24N
  • Range: 10E
  • Section: 5
  • PLSS Details: 750 feet east and 1060 feet north of southwest corner
  • State: Illinois
  • County: IL075—Iroquois
  • MLRA: 110—Northern Illinois and Indiana Heavy Till Plain
  • Non-MLRA Soil Survey Area: IL075—Iroquois County, Illinois
  • 7.5 Minute USGS Quad: 40088-E1—Buckley, Illinois

    • PEDON

  • Describers Name: JBF
  • Current Taxonomic Class: Fine, illitic, mesic Aquic Argiudolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 7
  • Correlated Information:
  • Soil Name - Clarence
  • PSC - 33 to 83 cm.
  • Classificaton Date - 12/12/2019
  • Classifier - JBF
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Clarence
  • Classificaton Date - 8/1/1976
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess over till
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1976 (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

    argillic horizon

    densic contact

    0—33

    33—97

    97—97

    —33—

    —64—

    —0—
    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

    1.5

    —

    —

    226

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark gray (10YR 3/1) crushed, dark grayish brown (10YR 4/2), dry; silty clay loam; moderate fine granular structure; firm; fragments; neutral, pH 6.6, pH indicator solutions; abrupt smooth boundary. Lab sample # IL24345
    A—23 to 33 centimeters (9.1 to 13.0 inches); very dark gray (10YR 3/1) crushed, dark grayish brown (10YR 4/2), dry; silty clay loam; moderate fine granular structure; firm; fragments; neutral, pH 6.9, pH indicator solutions; clear smooth boundary. Lab sample # IL24346
    2Bt1—33 to 48 centimeters (13.0 to 18.9 inches); dark grayish brown (2.5Y 4/2) silty clay; moderate medium subangular blocky structure; very firm; 10 percent faint dark gray (2.5Y 4/1), moist, clay films on all faces of peds and 25 percent distinct very dark gray (10YR 3/1), moist, organic stains on all faces of peds; 1 percent fine distinct yellowish brown (10YR 5/4), moist, masses of oxidized iron in matrix; fragments; slightly alkaline, pH 7.6, pH indicator solutions; clear smooth boundary. Lab sample # IL24347, IL24349, IL24348. Horizon split for sampling: IL24347 33 to 38 cm, IL24348 38 to 43 cm, IL24349 43 to 48 cm.
    2Bt2—48 to 84 centimeters (18.9 to 33.1 inches); dark grayish brown (2.5Y 4/2) silty clay; moderate fine prismatic, and moderate medium subangular blocky structure; very firm; 25 percent dark gray (2.5Y 4/1), moist, clay films on all faces of peds; 10 percent fine distinct dark yellowish brown (10YR 4/4), moist, masses of oxidized iron in matrix; 1 percent by volume nonflat rounded strongly coherent cemented 2-3-5 millimeter mixed fragments observed by visual inspection method; slightly alkaline, pH 7.5, pH indicator solutions; clear smooth boundary. Lab sample # IL24351, IL24352, IL24353, IL24354, IL24355, IL24350, IL24356. Horizon split for sampling: IL24350 48 to 53 cm, IL24351 53 to 58 cm, IL24352 58 to 64 cm, IL24353 64 to 69 cm, IL24354 69 to 74 cm, IL24355 74 to 79 cm, IL24356 79 to 84 cm.
    2BCt—84 to 97 centimeters (33.1 to 38.2 inches); dark grayish brown (2.5Y 4/2) silty clay; weak fine prismatic structure; very firm; 25 percent faint dark gray (2.5Y 4/1), moist, clay films on all faces of peds; 10 percent fine distinct dark yellowish brown (10YR 4/4) masses of oxidized iron in matrix; 1 percent by volume nonflat rounded strongly coherent cemented 2-3-5 millimeter mixed fragments observed by visual inspection method; slight effervescence; moderately alkaline, pH 7.9, pH indicator solutions; clear smooth boundary. Lab sample # IL24357
    2Cd—97 to 152 centimeters (38.2 to 59.8 inches); variegated gray (5Y 5/1) and dark grayish brown (2.5Y 4/2) and yellowish brown (10YR 5/6) silty clay; massive; very firm; 1 percent by volume nonflat rounded strongly coherent cemented 2-3-5 millimeter mixed fragments observed by visual inspection method; strong effervescence; slightly alkaline, pH 7.8, pH indicator solutions. Lab sample # IL24358