IDENTIFIERS

  • Current Taxon Name (Soil Name): Tama
  • OSD
  • Series Extent
  • User Site ID: 1964IL137001
  • User Pedon ID: 1964IL137001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 64IL137001
  • NCSS Pedon Lab Data NASIS Record ID - 20559
  • Print Date: 3/2/2025
  • 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: 39.7412068
  • Std. Longitude: -90.0954103
  • Datum: WGS84
  • Township: 15N
  • Range: 9W
  • Section: 15
  • PLSS Details: 835 feet E & 700 feet N of SW corner
  • Location Description: 835FT E of SW corner of Sec.15,then N 700FT to Tama profile
  • State: Illinois
  • County: IL137—Morgan
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Non-MLRA Soil Survey Area: IL137—Morgan County, Illinois
  • PEDON

  • Describers Name: JBF, JDA, BWR, ECAR, REB
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Argiudolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Tama
  • PSC - 43 to 93 cm.
  • Classificaton Date - 2/22/2010
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Tama
  • Classificaton Date - 8/1/1964
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1964 (actual site observation date)
  • 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
  • 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

    2

    Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark brown (10YR 2/2) silt loam; weak fine granular structure; friable; fragments; slightly acid, pH 6.2; abrupt smooth boundary. Lab sample # IL19524
    A—23 to 33 centimeters (9.1 to 13.0 inches); very dark grayish brown (10YR 3/2) silty clay loam; moderate medium granular structure; friable; fragments; moderately acid, pH 6.0; clear smooth boundary. Lab sample # IL19525
    Bt1—33 to 43 centimeters (13.0 to 16.9 inches); dark brown (10YR 3/3) silty clay loam; strong medium granular structure; friable; very dark grayish brown (10YR 3/2) organoargillans on all faces of peds; fragments; slightly acid, pH 6.2; clear smooth boundary. Lab sample # IL19526
    Bt2—43 to 58 centimeters (16.9 to 22.8 inches); brown (10YR 4/3) silty clay loam; strong fine subangular blocky structure; firm; very dark grayish brown (10YR 3/2) organoargillans on all faces of peds; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL19527
    Bt3—58 to 81 centimeters (22.8 to 31.9 inches); brown (10YR 4/3) silty clay loam; weak fine prismatic, and strong medium subangular blocky structure; firm; dark brown (10YR 3/3) organoargillans on all faces of peds; fragments; slightly acid, pH 6.5; clear smooth boundary. Lab sample # IL19528
    Bt4—81 to 107 centimeters (31.9 to 42.1 inches); brown (10YR 4/3) silty clay loam; weak fine prismatic, and strong medium subangular blocky structure; firm; dark brown (10YR 3/3) organoargillans on all faces of peds; fragments; slightly acid, pH 6.5; clear smooth boundary. Lab sample # IL19529
    Bt5—107 to 142 centimeters (42.1 to 55.9 inches); brown (10YR 4/3) silt loam; weak medium prismatic, and moderate medium subangular blocky structure; firm; very dark grayish brown (10YR 3/2) organoargillans on vertical faces of peds; fragments; slightly acid, pH 6.5; gradual smooth boundary. Lab sample # IL19530
    Bt6—142 to 160 centimeters (55.9 to 63.0 inches); brown (10YR 4/3) silt loam; weak coarse angular blocky structure; friable; very dark grayish brown (10YR 3/2) organoargillans on vertical faces of peds; 1 percent fine faint brown (10YR 5/3) masses of oxidized iron; fragments; slightly acid, pH 6.2; gradual smooth boundary. Lab sample # IL19531
    C—160 to 183 centimeters (63.0 to 72.0 inches); dark yellowish brown (10YR 4/4) silt loam; massive; friable; 10 percent fine faint brown (10YR 5/3) masses of oxidized iron; fragments; slightly acid, pH 6.3. Lab sample # IL19532