IDENTIFIERS

  • Current Taxon Name (Soil Name): Virden
  • OSD
  • Series Extent
  • User Site ID: S1932IL167002
  • User Pedon ID: S1932IL167002
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - IL SCL
  • Lab Pedon # - 32IL167002
  • NCSS Pedon Lab Data NASIS Record ID - 20392
  • 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: 39.7455389
  • Std. Longitude: -89.7603889
  • Datum: WGS84
  • Township: 15N
  • Range: 6W
  • Section: 15
  • Location Description: On NW side of US 36 & 54, w/iN a few rods of original sampling site
  • Map Unit: 43A—Ipava silt loam, 0 to 2 percent slopes
  • Country: US—United States
  • State: Illinois
  • County: IL167—Sangamon
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-SPI—Springfield, Illinois
  • Non-MLRA Soil Survey Area: IL167—Sangamon County, Illinois
  • 7.5 Minute USGS Quad: 39089-F7—Loami, Illinois

    • PEDON

  • Describers Name: Russel T. Odell
  • Current Taxonomic Class: Fine, smectitic, mesic Vertic Argiaquolls
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Virden
  • PSC - 61 to 97 cm.
  • Classificaton Date - 2/22/2010
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Illiopolis
  • PSC - 61 to 111 cm.
  • Classificaton Date - 10/1/1932
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Fine-textured loess
  • Landscape: till plain
  • Landform: ground moraine
  • Drainage Class: poorly
  • Ponding: occasional ponding for long periods
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1932 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • 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 % % % % % % % % % % % % %

    A1

    A2

    AB

    Btg1

    Btg2

    Btg3

    Cg1

    Cg2

    0

    30

    43

    61

    76

    97

    127

    157

    30

    43

    61

    76

    97

    127

    157

    229

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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

    A1

    A2

    AB

    Btg1

    Btg2

    Btg3

    Cg1

    Cg2

    0

    30

    43

    61

    76

    97

    127

    157

    30

    43

    61

    76

    97

    127

    157

    229

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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 %

    A1

    A2

    AB

    Btg1

    Btg2

    Btg3

    Cg1

    Cg2

    0

    30

    43

    61

    76

    97

    127

    157

    30

    43

    61

    76

    97

    127

    157

    229

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

    mollic epipedon

    argillic horizon

    0—61

    61—76

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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

    0.5

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    A1—0 to 30 centimeters (0.0 to 11.8 inches); black (2.5Y 2.5/1), dark gray (2.5Y 4/1), dry; silty clay loam; 30 percent clay; moderate medium granular structure; friable; many (10.0) fine roots between peds; fragments; strongly acid, pH 5.5; clear smooth boundary. Lab sample # IL14052, IL14053. The pH in the A1 horizon is too acid.; Horizon split for sampling: IL14052 0 to 20 cm, IL14053 20 to 30 cm.; The A1 horizon was split for sampling at 0 to 20 cm and 20 to 30 cm.
    A2—30 to 43 centimeters (11.8 to 16.9 inches); black (2.5Y 2.5/1), dark gray (2.5Y 4/1), dry; silty clay loam; 37 percent clay; moderate medium granular structure; friable; many (10.0) fine roots between peds; fragments; moderately acid, pH 5.9; clear smooth boundary. Lab sample # IL14054
    AB—43 to 61 centimeters (16.9 to 24.0 inches); variegated 80 percent very dark gray (10YR 3/1) and 20 percent very dark gray (2.5Y 3/1), gray (2.5Y 5/1), dry; silty clay; 41 percent clay; moderate fine subangular blocky, and moderate fine angular blocky structure; firm; common (3.0) fine roots between peds; fragments; slightly acid, pH 6.1; clear smooth boundary. Lab sample # IL14055. The 2.5Y matrix color hues in the A1, A2, and AB horizons are outside the RIC.; the SIC texture is outside the RIC
    Btg1—61 to 76 centimeters (24.0 to 29.9 inches); dark grayish brown (2.5Y 4/2) silty clay loam; 36 percent clay; mottles; moderate medium angular blocky structure; firm; common (3.0) fine roots between peds; 25 percent distinct very dark gray (2.5Y 3/1), moist, organoargillans on all faces of peds; 1 percent fine distinct irregular olive brown (2.5Y 4/4), moist, masses of oxidized iron with clear boundaries in matrix; fragments; slightly acid, pH 6.5; clear smooth boundary. Lab sample # IL14056. continuous - phpvsfiid 1406288; continuous - phpvsfiid 1406288
    Btg2—76 to 97 centimeters (29.9 to 38.2 inches); dark grayish brown (2.5Y 4/2) silty clay loam; 30 percent clay; mottles; moderate medium angular blocky, and moderate coarse angular blocky structure; firm; common (3.0) fine roots between peds; 10 percent distinct very dark gray (10YR 3/1), moist, organoargillans on all faces of peds; and 1 percent fine prominent irregular dark brown (7.5YR 3/3), moist, iron-manganese nodules with clear boundaries throughout and 10 percent medium faint irregular brown (10YR 4/3), moist, masses of oxidized iron with clear boundaries in matrix; fragments; neutral, pH 7.1; clear smooth boundary. Lab sample # IL14057. discontinuous - phpvsfiid 1406289; discontinuous - phpvsfiid 1406289
    Btg3—97 to 127 centimeters (38.2 to 50.0 inches); grayish brown (2.5Y 5/2) silt loam; 20 percent clay; mottles; weak coarse angular blocky structure; firm; few (0.8) fine roots between peds; 10 percent prominent very dark gray (10YR 3/1), moist, organoargillans on vertical faces of peds; 1 percent fine prominent spherical very dark brown (7.5YR 2.5/2), moist, iron-manganese concretions with sharp boundaries throughout and 10 percent medium distinct irregular dark yellowish brown (10YR 4/4), moist, masses of oxidized iron with clear boundaries in matrix; fragments; neutral, pH 7.2; clear smooth boundary. Lab sample # IL14058. discontinuous - phpvsfiid 1406290; discontinuous - phpvsfiid 1406290
    Cg1—127 to 157 centimeters (50.0 to 61.8 inches); grayish brown (2.5Y 5/2) silt loam; 13 percent clay; mottles; massive; friable; few (0.8) very fine roots throughout; 10 percent medium prominent irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; slight effervescence; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL14059, IL14060. Horizon split for sampling: IL14059 127 to 142 cm, IL14060 142 to 157 cm.
    Cg2—157 to 229 centimeters (61.8 to 90.2 inches); light brownish gray (2.5Y 6/2) silt loam, silt; 10 percent clay; mottles; massive; friable; 0.1 very fine roots top of horizon; 1 percent medium prominent irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; slight effervescence; slightly alkaline, pH 7.8. Lab sample # IL14061, IL14062. Horizon split for sampling: IL14061 157 to 178 cm, IL14062 178 to 229 cm.; The silt texture occurs in the lower part of the horizon.