IDENTIFIERS

  • Current Taxon Name (Soil Name): Virden
  • OSD
  • Series Extent
  • User Site ID: S1986IL149024
  • User Pedon ID: S1986IL149024
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - IL SCL
  • Lab Pedon # - 86IL149024
  • NCSS Pedon Lab Data NASIS Record ID - 21991
  • Print Date: 1/30/2025

    • 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: 39.6919333
  • Std. Longitude: -90.8064194
  • Datum: WGS84
  • Township: 4S
  • Range: 4W
  • Section: 25
  • PLSS Details: 1,860 feet west and 440 feet south of the northeast corner
  • Map Unit: 50A—Virden silty clay loam, 0 to 2 percent slopes
  • Country: US—United States
  • State: Illinois
  • County: IL149—Pike
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Regional Office: NC—North Central
  • Non-MLRA Soil Survey Area: IL149—Pike County, Illinois
  • 7.5 Minute USGS Quad: 39090-F7—New Salem, Illinois

    • PEDON

  • Describers Name: ichael E. Lilly & Marsha E. Sheppard
  • Current Taxonomic Class: Fine, smectitic, mesic Vertic Argiaquolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 24
  • Correlated Information:
  • Soil Name - Virden
  • PSC - 36 to 86 cm.
  • Classificaton Date - 10/2/2008
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Virden
  • PSC - 36 to 86 cm.
  • Classificaton Date - 4/1/1986
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Loess
  • Landscape: upland
  • Landform: till plain
  • Slope Shape Down: concave
  • Drainage Class: poorly
  • Ponding: occasional ponding for long periods begining in nov
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/1/1986 (actual site observation date)
  • 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
    • 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

    Btg1

    Btg2

    Btg3

    Cg

    0

    20

    36

    51

    91

    109

    20

    36

    51

    91

    109

    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

    Btg1

    Btg2

    Btg3

    Cg

    0

    20

    36

    51

    91

    109

    20

    36

    51

    91

    109

    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

    Btg1

    Btg2

    Btg3

    Cg

    0

    20

    36

    51

    91

    109

    20

    36

    51

    91

    109

    152

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

    mollic epipedon

    aquic conditions

    argillic horizon

    0—51

    0—200

    36—91

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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

    1.5

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    240.8

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    180

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    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark brown (10YR 2/2), gray (10YR 5/1), dry; silt loam; 19 percent clay; weak very fine granular, and weak fine granular structure; very friable; many (10.0) very fine roots between peds and common (3.0) fine roots between peds; fragments; moderately acid, pH 5.9, lamotte-morgan; abrupt smooth boundary. Lab sample # IL33017
    A—20 to 36 centimeters (7.9 to 14.2 inches); very dark brown (10YR 2/2), dark gray (10YR 4/1), dry; silt loam; 20 percent clay; weak fine subangular blocky parts to moderate medium granular structure; very friable; many (10.0) very fine roots between peds and common (3.0) fine roots between peds; fragments; slightly acid, pH 6.5, lamotte-morgan; clear smooth boundary. Lab sample # IL33018
    Btg1—36 to 51 centimeters (14.2 to 20.1 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silty clay loam; 36 percent clay; mottles; weak medium subangular blocky parts to moderate medium granular structure; firm; common (3.0) very fine roots between peds and common (3.0) fine roots between peds; 25 percent prominent very dark brown (10YR 2/2), moist, organoargillans on all faces of peds; 1 percent fine prominent irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron 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 6.6, lamotte-morgan; clear smooth boundary. Lab sample # IL33019. continuous - phpvsfiid 1406384; continuous - phpvsfiid 1406384
    Btg2—51 to 91 centimeters (20.1 to 35.8 inches); gray (10YR 5/1) silty clay loam; 35 percent clay; and mottles; weak medium prismatic parts to moderate medium angular blocky structure; firm; common (3.0) very fine roots between peds and common (3.0) fine roots between peds; 10 percent distinct very dark grayish brown (10YR 3/2), moist, organoargillans on all faces of peds; 1 percent medium prominent irregular light olive brown (2.5Y 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix and 1 percent medium prominent irregular dark brown (7.5YR 3/3), moist, iron-manganese masses with clear boundaries throughout and 10 percent medium prominent irregular dark yellowish brown (10YR 4/6), moist, and strong brown (7.5YR 5/8), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; neutral, pH 6.8, lamotte-morgan; clear smooth boundary. Lab sample # IL33020. continuous - phpvsfiid 1406381; continuous - phpvsfiid 1406381
    Btg3—91 to 109 centimeters (35.8 to 42.9 inches); gray (10YR 5/1) silt loam; 24 percent clay; mottles; weak medium prismatic parts to moderate medium angular blocky structure; friable; few (0.8) very fine roots between peds; 10 percent distinct dark grayish brown (10YR 4/2), moist, clay films on vertical faces of peds and 10 percent prominent very dark grayish brown (10YR 3/2), moist, organoargillans on surfaces along pores; 10 percent medium 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 diffuse boundaries in matrix; fragments; neutral, pH 7.3, lamotte-morgan; gradual smooth boundary. Lab sample # IL33021. patchy - phpvsfiid 1406379; continuous - phpvsfiid 1406380; patchy - phpvsfiid 1406379; continuous - phpvsfiid 1406380
    Cg—109 to 152 centimeters (42.9 to 59.8 inches); gray (5Y 6/1) silt loam; 20 percent clay; mottles; massive; friable; few (0.8) very fine roots top of horizon; 10 percent prominent very dark grayish brown (10YR 3/2), moist, organoargillans on surfaces along root channels and 10 percent prominent very dark gray (2.5Y 3/1), moist, organoargillans on surfaces along pores; 10 percent medium prominent irregular yellowish brown (10YR 5/8), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; slight effervescence, by hcl, unspecified; moderately alkaline, pH 7.9, lamotte-morgan. Lab sample # IL33022. The 5YR matrix hue in the Cg horizon is outside the RIC; continuous - phpvsfiid 1406382; continuous - phpvsfiid 1406383; continuous - phpvsfiid 1406382; continuous - phpvsfiid 1406383