IDENTIFIERS

  • Current Taxon Name (Soil Name): Virden
  • OSD
  • Series Extent
  • User Site ID: S1987IL109029
  • User Pedon ID: S1987IL109029
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - IL SCL
  • Lab Pedon # - 87IL109029
  • NCSS Pedon Lab Data NASIS Record ID - 22063
  • Print Date: 2/2/2025

    • 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: 40.2791583
  • Std. Longitude: -90.6621000
  • Datum: WGS84
  • Township: 4N
  • Range: 2W
  • Section: 31
  • PLSS Details: 790 feet W & 190 feet N of SE corner
  • Map Unit: 50A—Virden 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-C6—Doddsville, Illinois

    • PEDON

  • Current Taxonomic Class: Fine, smectitic, mesic Vertic Endoaquolls
  • Current Taxon Kind: taxadjunct
  • Pedon Record Orgin: PedonPC
  • Pedon #: 29
  • 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 - Virden
  • Classificaton Date - 3/1/1987
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: ground moraine, till plain
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/1/1987 (actual site observation date)
  • Surface Cover Properties:
  • 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

    48

    81

    109

    119

    20

    36

    48

    81

    109

    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

    48

    81

    109

    119

    20

    36

    48

    81

    109

    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

    48

    81

    109

    119

    20

    36

    48

    81

    109

    119

    152

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

    mollic epipedon

    cambic horizon

    0—48

    48—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

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    208

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    Ap—0 to 20 centimeters (0.0 to 7.9 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silty clay loam; 38 percent clay; moderate fine granular structure; friable; many (10.0) very fine roots between peds; fragments; neutral, pH 7.1; abrupt smooth boundary. Lab sample # IL33569
    A—20 to 36 centimeters (7.9 to 14.2 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silty clay loam; 37 percent clay; moderate fine granular, and moderate medium granular structure; friable; many (10.0) very fine roots between peds; 1 percent fine distinct irregular dark brown (7.5YR 3/3), moist, iron-manganese masses with sharp boundaries throughout; fragments; neutral, pH 6.9; clear smooth boundary. Lab sample # IL33570
    AB—36 to 48 centimeters (14.2 to 18.9 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silty clay loam; 37 percent clay; mottles; weak fine prismatic parts to moderate fine subangular blocky structure; friable; common (3.0) very fine roots between peds; 25 percent faint black (10YR 2/1), moist, organic stains on all faces of peds; 1 percent fine faint irregular grayish brown (2.5Y 5/2), moist, iron depletions with clear boundaries in matrix and 1 percent fine distinct irregular dark brown (7.5YR 3/3), moist, iron-manganese masses with clear boundaries throughout; fragments; neutral, pH 6.8; gradual smooth boundary. Lab sample # IL33571. continuous - phpvsfiid 1406321; continuous - phpvsfiid 1406321
    Btg1—48 to 81 centimeters (18.9 to 31.9 inches); dark grayish brown (2.5Y 4/2) silty clay loam; 36 percent clay; and mottles; moderate fine prismatic parts to moderate fine subangular blocky structure; firm; common (3.0) very fine roots between peds; 50 percent faint dark gray (2.5Y 4/1), moist, clay films on all faces of peds and 50 percent prominent very dark gray (10YR 3/1), moist, organoargillans on all faces of peds; 10 percent fine prominent irregular dark brown (7.5YR 3/3), moist, iron-manganese masses with clear boundaries throughout and 25 percent medium prominent irregular yellowish brown (10YR 5/8), moist, masses of oxidized iron with clear boundaries in matrix; fragments; neutral, pH 6.8; clear smooth boundary. Lab sample # IL33572, IL33573. Horizon split for sampling: IL33572 48 to 81 cm, IL33573 48 to 81 cm.; continuous - phpvsfiid 1406323; continuous - phpvsfiid 1406324; continuous - phpvsfiid 1406323; continuous - phpvsfiid 1406324
    Btg2—81 to 109 centimeters (31.9 to 42.9 inches); olive gray (5Y 5/2) silty clay loam; 33 percent clay; mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; friable; few (0.8) very fine roots between peds; 10 percent distinct very dark gray (5Y 3/1), moist, organoargillans on all faces of peds and 25 percent prominent dark gray (10YR 4/1), moist, clay films on all faces of peds; 10 percent medium prominent spherical very dark brown (7.5YR 2.5/2), moist, iron-manganese concretions with sharp boundaries throughout and 25 percent medium prominent irregular 10Y 5/8 (10Y 5/8), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; neutral, pH 7.1; clear smooth boundary. Lab sample # IL33574, IL33575. Horizon split for sampling: IL33574 81 to 109 cm, IL33575 81 to 109 cm.; continuous - phpvsfiid 1406325; continuous - phpvsfiid 1406326; continuous - phpvsfiid 1406325; continuous - phpvsfiid 1406326
    Btg3—109 to 119 centimeters (42.9 to 46.9 inches); olive gray (5Y 5/2) silty clay loam; 28 percent clay; 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; 10 percent medium prominent irregular yellowish brown (10YR 5/8), moist, masses of oxidized iron with diffuse boundaries in matrix and 10 percent medium prominent spherical very dark brown (7.5YR 2.5/2), moist, iron-manganese concretions with clear boundaries throughout; fragments; slightly alkaline, pH 7.5; gradual smooth boundary. Lab sample # IL33576. continuous - phpvsfiid 1406320; continuous - phpvsfiid 1406320
    Cg—119 to 152 centimeters (46.9 to 59.8 inches); light olive gray (5Y 6/2) silt loam; 25 percent clay; and mottles; massive; friable; few (0.8) very fine roots top of horizon; 10 percent prominent very dark gray (5Y 3/1), moist, organoargillans on surfaces along pores; 10 percent medium prominent irregular yellowish brown (10YR 5/8), moist, and yellowish brown (10YR 5/4), moist, masses of oxidized iron with diffuse boundaries in matrix and 10 percent medium prominent spherical very dark brown (7.5YR 2.5/2), moist, iron-manganese concretions with clear boundaries throughout; fragments; slightly alkaline, pH 7.6. Lab sample # IL33577. continuous - phpvsfiid 1406322; continuous - phpvsfiid 1406322