IDENTIFIERS

  • Current Taxon Name (Soil Name): Pekin
  • OSD
  • Series Extent
  • User Site ID: 1978IN093008
  • User Pedon ID: 2016IN093001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - Purdue
  • Lab Pedon # - LW7808
  • NCSS Pedon Lab Data NASIS Record ID - 23433
  • Print Date: 11/23/2024

    • 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: 38.9474833
  • Std. Longitude: -86.6095361
  • Datum: WGS84
  • Township: 6N
  • Range: 2W
  • Section: 23
  • PLSS Details: 100 feet east and 60 feet south of the northwest CORNER
  • State: Indiana
  • County: IN093—Lawrence

    • PEDON

  • Describers Name: Thomas and Kempf
  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Aquic Fragiudults
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon #: 8
  • Correlated Information:
  • Soil Name - Pekin
  • PSC - 46 to 96 cm.
  • Classificaton Date - 10/8/2015
  • Classifier - Steve Neyhouse
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Pekin
  • Classificaton Date - 9/15/1978
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: terrace
  • Drainage Class: moderately well
  • Geology: Wisconsin Illinois formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/15/1978 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    fragipan

    noncoherent

    79 - 135

    - 56 -

    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    fragipan

    0—30

    46—196

    79—135

    —30—

    —150—

    —56—
    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

    4

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 30 centimeters (0.0 to 11.8 inches); brown (10YR 4/3) silt loam; moderate medium granular structure; friable; many (7.0) fine roots throughout; fragments; moderately acid, pH 6.0, pH meter; abrupt smooth boundary. Lab sample # LW78081; moist when described;
    BA—30 to 46 centimeters (11.8 to 18.1 inches); yellowish brown (10YR 5/4) silt loam; weak medium subangular blocky structure; friable; many (7.0) fine roots throughout; 3 percent medium faint irregular weakly coherent cemented brown (10YR 4/3), moist, iron depletions with diffuse boundaries in matrix; fragments; strongly acid, pH 5.4, pH meter; clear wavy boundary. Lab sample # LW78082; moist when described;
    Bt1—46 to 61 centimeters (18.1 to 24.0 inches); yellowish brown (10YR 5/6) silt loam; moderate medium subangular blocky structure; friable; common (3.0) fine roots between peds; 35 percent distinct yellowish brown (10YR 5/4), moist, clay films on faces of peds; fragments; very strongly acid, pH 4.9, pH meter; clear wavy boundary. Lab sample # LW78083; moist when described;
    Bt2—61 to 79 centimeters (24.0 to 31.1 inches); yellowish brown (10YR 5/6) silt loam; moderate medium subangular blocky structure; friable; 35 percent distinct yellowish brown (10YR 5/4), moist, clay films on faces of peds; 1 percent medium prominent spherical strongly coherent cemented black (10YR 2/1), moist, iron-manganese concretions with sharp boundaries in matrix and 10 percent medium prominent irregular weakly coherent cemented light brownish gray (10YR 6/2), moist, iron depletions with diffuse boundaries in matrix and 10 percent medium distinct irregular weakly coherent cemented yellowish brown (10YR 5/8), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; very strongly acid, pH 4.8, pH meter; clear wavy boundary. Lab sample # LW78084; moist when described;
    Btx1—79 to 109 centimeters (31.1 to 42.9 inches); yellowish brown (10YR 5/6) silt loam; strong coarse prismatic structure; firm; brittle; 70 percent distinct yellowish brown (10YR 5/4), moist, clay films on faces of peds; 1 percent medium prominent spherical strongly coherent cemented black (10YR 2/1), moist, iron-manganese concretions with sharp boundaries in matrix and 10 percent medium prominent irregular weakly coherent cemented light brownish gray (10YR 6/2), moist, iron depletions with diffuse boundaries in matrix and 10 percent medium distinct irregular weakly coherent cemented yellowish brown (10YR 5/8), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; very strongly acid, pH 4.7, pH meter; clear wavy boundary. Lab sample # LW78085; moist when described;
    Btx2—109 to 135 centimeters (42.9 to 53.1 inches); yellowish brown (10YR 5/6) silty clay loam; strong very coarse prismatic structure; very firm; brittle; 70 percent prominent light brownish gray (10YR 6/2), moist, silt coats on faces of peds and 70 percent distinct yellowish brown (10YR 5/4), moist, clay films on faces of peds; 1 percent medium prominent spherical strongly coherent cemented black (10YR 2/1), moist, iron-manganese concretions with sharp boundaries in matrix and 10 percent medium distinct irregular weakly coherent cemented yellowish brown (10YR 5/4), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; very strongly acid, pH 4.6, pH meter; clear wavy boundary. Lab sample # LW78086; moist when described;
    B't1—135 to 165 centimeters (53.1 to 65.0 inches); strong brown (7.5YR 5/6) silt loam; strong coarse subangular blocky structure; friable; 70 percent distinct yellowish brown (10YR 5/4), moist, clay films on faces of peds; 10 percent coarse prominent irregular weakly coherent cemented light brownish gray (10YR 6/2), moist, iron depletions with diffuse boundaries in matrix and 10 percent coarse faint irregular weakly coherent cemented yellowish red (5YR 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; very strongly acid, pH 4.6, pH meter; clear wavy boundary. Lab sample # LW78087; moist when described;
    B't2—165 to 196 centimeters (65.0 to 77.2 inches); yellowish red (5YR 5/6) silty clay loam; strong coarse subangular blocky structure; friable; 70 percent prominent gray (10YR 6/1), moist, clay films on faces of peds; 1 percent medium prominent spherical strongly coherent cemented black (10YR 2/1), moist, iron-manganese concretions with sharp boundaries in matrix and 10 percent coarse distinct irregular weakly coherent cemented yellowish brown (10YR 5/4), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; very strongly acid, pH 4.7, pH meter; clear wavy boundary. Lab sample # LW78088; moist when described;
    C—196 to 203 centimeters (77.2 to 79.9 inches); yellowish red (5YR 5/6) stratified stratified silt loam to silty clay loam; structureless massive; friable; 5 percent medium prominent spherical strongly coherent cemented light red (2.5YR 6/8), moist, iron-manganese concretions with sharp boundaries in matrix and 10 percent coarse prominent irregular weakly coherent cemented gray (10YR 6/1), moist, iron depletions with diffuse boundaries in matrix; fragments; very strongly acid, pH 4.7, pH meter; clear wavy boundary. Lab sample # LW78089; moist when described;