IDENTIFIERS

  • Current Taxon Name (Soil Name): Virden
  • OSD
  • Series Extent
  • User Site ID: S1987IL109032
  • User Pedon ID: S1987IL109032
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - IL SCL
  • Lab Pedon # - 87IL109032
  • NCSS Pedon Lab Data NASIS Record ID - 22065
  • Print Date: 5/19/2024

    • 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: 40.2836611
  • Std. Longitude: -90.6009417
  • Datum: WGS84
  • Township: 4N
  • Range: 2W
  • Section: 35
  • PLSS Details: 300 feet E & 1890 feet N of SW corner
  • Map Unit: 68A—Sable silty clay loam, 0 to 2 percent slopes
  • Country: US—United States
  • State: Illinois
  • County: IL109—McDonough
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Regional Office: NC—North Central
  • Non-MLRA Soil Survey Area: IL109—McDonough County, Illinois
  • 7.5 Minute USGS Quad: 40090-C5—Industry, Illinois

    • PEDON

  • Describers Name: Michael B. Walker
  • Current Taxonomic Class: Fine, smectitic, mesic Vertic Endoaquolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 32
  • Correlated Information:
  • Soil Name - Virden
  • PSC - 25 to 100 cm.
  • Classificaton Date - 1/4/2010
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Sable
  • Classificaton Date - 3/1/1987
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Loess
  • Landform: ground moraine, till plain
  • Drainage Class: poorly
  • Ponding: occasional ponding for long periods
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/1/1987 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    Ap

    A

    AB

    Btg1

    Btg2

    Btg3

    Cg

    0

    20

    36

    51

    74

    104

    119

    20

    36

    51

    74

    104

    119

    152

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    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    Ap

    A

    AB

    Btg1

    Btg2

    Btg3

    Cg

    0

    20

    36

    51

    74

    104

    119

    20

    36

    51

    74

    104

    119

    152

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    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    Ap

    A

    AB

    Btg1

    Btg2

    Btg3

    Cg

    0

    20

    36

    51

    74

    104

    119

    20

    36

    51

    74

    104

    119

    152

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

    mollic epipedon

    aquic conditions

    cambic horizon

    0—51

    0—200

    51—119

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    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

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    202

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    Ap—0 to 20 centimeters (0.0 to 7.9 inches); black (10YR 2/1), dark grayish brown (10YR 4/2), dry; silty clay loam; 34 percent clay; moderate fine granular structure; friable; many (10.0) very fine roots between peds; 1 percent fine distinct spherical very dark brown (7.5YR 2.5/2), moist, iron-manganese concretions with sharp boundaries throughout; fragments; slightly acid, pH 6.1; clear smooth boundary. Lab sample # IL33586
    A—20 to 36 centimeters (7.9 to 14.2 inches); black (10YR 2/1), dark grayish brown (10YR 4/2), dry; silty clay loam; 35 percent clay; mottles; moderate medium granular structure; friable; many (10.0) very fine roots between peds; 1 percent fine distinct spherical very dark brown (7.5YR 2.5/2), moist, iron-manganese concretions with sharp boundaries throughout and 1 percent fine faint irregular dark gray (10YR 4/1), moist, iron depletions with sharp boundaries in matrix; fragments; slightly acid, pH 6.2; clear smooth boundary. Lab sample # IL33587
    AB—36 to 51 centimeters (14.2 to 20.1 inches); very dark gray (10YR 3/1), grayish brown (10YR 5/2), dry; silty clay loam; 36 percent clay; mottles; moderate fine prismatic parts to moderate fine subangular blocky structure; friable; common (3.0) very fine roots between peds; 50 percent faint black (10YR 2/1), moist, organic stains on all faces of peds; 10 percent fine distinct irregular grayish brown (2.5Y 5/2), moist, iron depletions with clear boundaries in matrix and 10 percent fine distinct spherical very dark brown (7.5YR 2.5/2), moist, iron-manganese concretions with sharp boundaries throughout; fragments; slightly acid, pH 6.3; gradual smooth boundary. Lab sample # IL33588. continuous - phpvsfiid 1406311; continuous - phpvsfiid 1406311
    Btg1—51 to 74 centimeters (20.1 to 29.1 inches); dark gray (10YR 4/1) silty clay loam; 34 percent clay; mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; friable; common (3.0) very fine roots between peds; 10 percent faint dark gray (2.5Y 4/1), moist, clay films on all faces of peds and 25 percent distinct very dark grayish brown (2.5Y 3/2), moist, organoargillans on all faces of peds; 10 percent medium distinct irregular light olive brown (2.5Y 5/4), moist, masses of oxidized iron with clear boundaries in matrix and 10 percent fine distinct irregular dark brown (7.5YR 3/3), moist, iron-manganese masses with clear boundaries throughout and 10 percent fine prominent irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron with clear boundaries in matrix; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL33589. continuous - phpvsfiid 1406308; continuous - phpvsfiid 1406309; continuous - phpvsfiid 1406308; continuous - phpvsfiid 1406309
    Btg2—74 to 104 centimeters (29.1 to 40.9 inches); olive gray (5Y 5/2) silty clay loam; 32 percent clay; mottles; weak medium prismatic parts to moderate medium subangular blocky structure; friable; common (3.0) very fine roots between peds; 25 percent distinct olive gray (5Y 4/2), moist, and dark gray (5Y 4/1), moist, clay films on all faces of peds; 1 percent fine prominent irregular dark brown (7.5YR 3/3), moist, iron-manganese masses with clear boundaries throughout and 10 percent fine prominent irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; slightly acid, pH 6.5; gradual smooth boundary. Lab sample # IL33590, IL33591. Horizon split for sampling: IL33590 74 to 104 cm, IL33591 74 to 104 cm.; continuous - phpvsfiid 1406310; continuous - phpvsfiid 1406310
    Btg3—104 to 119 centimeters (40.9 to 46.9 inches); olive gray (5Y 5/2) silty clay loam; 27 percent clay; and mottles; weak coarse subangular blocky structure; friable; few (0.8) very fine roots between peds; 10 percent distinct dark gray (5Y 4/1), moist, clay films on vertical faces of peds; 1 percent fine prominent irregular dark brown (7.5YR 3/3), moist, iron-manganese masses with diffuse boundaries throughout and 10 percent medium distinct irregular light olive brown (2.5Y 5/4), moist, masses of oxidized iron with diffuse boundaries in matrix and 10 percent medium prominent irregular yellowish brown (10YR 5/8), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; neutral, pH 6.6; gradual smooth boundary. Lab sample # IL33592. continuous - phpvsfiid 1406307; continuous - phpvsfiid 1406307
    Cg—119 to 152 centimeters (46.9 to 59.8 inches); light olive gray (5Y 6/2) silty clay loam; 35 percent clay; mottles; massive; friable; few (0.8) very fine roots top of horizon; 1 percent fine prominent spherical very dark brown (7.5YR 2.5/2), moist, iron-manganese concretions with clear boundaries throughout and 10 percent medium prominent irregular brownish yellow (10YR 6/6), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; neutral, pH 6.7. Lab sample # IL33593