IDENTIFIERS

  • Current Taxon Name (Soil Name): Karnak
  • OSD
  • Series Extent
  • User Site ID: 1986IL051087
  • User Pedon ID: 1986IL051087
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 86IL051087
  • NCSS Pedon Lab Data NASIS Record ID - 21939
  • Print Date: 11/12/2024
  • 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: 38.8993778
  • Std. Longitude: -89.2003194
  • Datum: WGS84
  • Township: 5N
  • Range: 1W
  • Section: 9
  • PLSS Details: 1850 feet west and 200 feet south of the northeast corner
  • State: Illinois
  • County: IL051—Fayette
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: IL051—Fayette County, Illinois
  • PEDON

  • Describers Name: MSH, LLK, KDB, CCB
  • Current Taxonomic Class: Fine, smectitic, nonacid, mesic Vertic Endoaquepts
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 87
  • Correlated Information:
  • Soil Name - Karnak
  • PSC - 25 to 100 cm.
  • Classificaton Date - 10/2/2008
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Karnak
  • Classificaton Date - 1/1/1986
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: Kaskaskia River alluvium
  • Landform: flood plain
  • Runoff: low
  • Drainage Class: poorly
  • Ponding: frequent ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/1/1986 (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

    ochric epipedon

    cambic horizon

    0—23

    23—152

    —-

    —-

    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

    40

    135.6

    Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark grayish brown (10YR 3/2), light brownish gray (10YR 6/2), dry; silty clay loam; 1 percent dark yellowish brown (10YR 4/6) fine distinct mottles; moderate fine granular parts to moderate medium granular structure; friable; 3.0 very fine roots between peds; 1 percent fine faint iron-manganese masses in matrix; fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # IL32579
    Bg1—23 to 41 centimeters (9.1 to 16.1 inches); dark grayish brown (10YR 4/2) silty clay loam; 1 percent gray (10YR 5/1) fine distinct and 10 percent brown (10YR 4/3) fine faint mottles; moderate fine subangular blocky structure; friable; 3.0 very fine roots between peds; distinct dark gray (10YR 4/1), moist, clay films on all faces of peds; 1 percent fine distinct iron-manganese masses in matrix; fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # IL32580. discontinuous - phpvsfiid 428150; discontinuous - phpvsfiid 428150
    Bg2—41 to 56 centimeters (16.1 to 22.0 inches); light brownish gray (10YR 6/2) silty clay loam; 10 percent strong brown (7.5YR 5/6) medium prominent mottles; moderate medium prismatic parts to weak fine subangular blocky parts to weak medium subangular blocky structure; friable; 0.6 very fine roots between peds; distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese masses in matrix; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # IL32581. patchy - phpvsfiid 428148; patchy - phpvsfiid 428148
    Bg3—56 to 86 centimeters (22.0 to 33.9 inches); light brownish gray (10YR 6/2) silty clay; 10 percent dark yellowish brown (10YR 4/6) medium distinct and 10 percent strong brown (7.5YR 5/6) medium prominent mottles; moderate medium prismatic parts to weak medium subangular blocky parts to weak coarse subangular blocky structure; friable; 0.6 very fine roots between peds; distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds; 1 percent fine prominent iron-manganese masses in matrix; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # IL32582, IL32583. Horizon split for sampling: IL32583 71 to 86 cm, IL32582 56 to 71 cm.; patchy - phpvsfiid 428153; patchy - phpvsfiid 428153
    Bg4—86 to 99 centimeters (33.9 to 39.0 inches); grayish brown (2.5Y 5/2) silty clay; 10 percent dark yellowish brown (10YR 4/6) medium prominent mottles; moderate medium prismatic parts to weak medium subangular blocky parts to weak coarse subangular blocky structure; friable; 0.6 very fine roots between peds; distinct gray (10YR 5/1), moist, clay films on all faces of peds; 10 percent fine prominent iron-manganese masses in matrix; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # IL32584. discontinuous - phpvsfiid 428151; discontinuous - phpvsfiid 428151
    Bg5—99 to 122 centimeters (39.0 to 48.0 inches); grayish brown (10YR 5/2) silty clay; 10 percent dark yellowish brown (10YR 4/6) medium prominent mottles; moderate medium prismatic parts to weak medium subangular blocky parts to weak coarse subangular blocky structure; friable; 0.6 very fine roots between peds; distinct dark gray (10YR 4/1), moist, clay films on all faces of peds; 10 percent fine prominent iron-manganese masses in matrix; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # IL32585. discontinuous - phpvsfiid 428149; discontinuous - phpvsfiid 428149
    Bg6—122 to 152 centimeters (48.0 to 59.8 inches); gray (10YR 5/1) silty clay; 25 percent strong brown (7.5YR 4/6) medium prominent mottles; moderate medium prismatic parts to weak medium subangular blocky parts to weak coarse subangular blocky structure; friable; 0.6 very fine roots between peds; distinct dark gray (10YR 4/1), moist, clay films on all faces of peds; 10 percent fine distinct iron-manganese masses in matrix; fragments; slightly acid, pH 6.3, hellige-truog. Lab sample # IL32586, IL32587. Horizon split for sampling: IL32587 137 to 152 cm, IL32586 122 to 137 cm.; discontinuous - phpvsfiid 428152; discontinuous - phpvsfiid 428152