IDENTIFIERS

  • Current Taxon Name (Soil Name): Virden
  • OSD
  • Series Extent
  • User Site ID: S1965IL021001
  • User Pedon ID: S1965IL021001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - IL SCL
  • Lab Pedon # - 65IL021001
  • NCSS Pedon Lab Data NASIS Record ID - 20575
  • Print Date: 11/21/2024

    • 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: 39.4046806
  • Std. Longitude: -89.2789694
  • Datum: WGS84
  • Township: 11N
  • Range: 2W
  • Section: 14
  • Location Description: 835 feet S of N section line & 35 feet W of road ditch
  • Map Unit: 50A—Virden silty clay loam, 0 to 2 percent slopes
  • Country: US—United States
  • State: Illinois
  • County: IL021—Christian
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Regional Office: NC—North Central
  • Non-MLRA Soil Survey Area: IL021—Christian County, Illinois
  • 7.5 Minute USGS Quad: 39089-D3—Clarksdale, Illinois

    • PEDON

  • Describers Name: Joe B. Fehrenbacher, Burt W. Ray, & Charley E. Downey
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Argiaquolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Virden
  • PSC - 46 to 94 cm.
  • Classificaton Date - 2/22/2010
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Virden
  • PSC - 33 to 83 cm.
  • Classificaton Date - 5/1/1965
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Fine-textured loess & the underlying Roxana Silts over Illinois till
  • Landform: ground moraine, till plain
  • Drainage Class: poorly
  • Ponding: occasional ponding for long periods
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/1/1965 (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

    AB

    BA

    Btg1

    Btg2

    BCg

    Cg1

    2Cg2

    3Btgb

    0

    20

    33

    46

    56

    71

    94

    119

    140

    155

    20

    33

    46

    56

    71

    94

    119

    140

    155

    183

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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

    BA

    Btg1

    Btg2

    BCg

    Cg1

    2Cg2

    3Btgb

    0

    20

    33

    46

    56

    71

    94

    119

    140

    155

    20

    33

    46

    56

    71

    94

    119

    140

    155

    183

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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

    BA

    Btg1

    Btg2

    BCg

    Cg1

    2Cg2

    3Btgb

    0

    20

    33

    46

    56

    71

    94

    119

    140

    155

    20

    33

    46

    56

    71

    94

    119

    140

    155

    183

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

    mollic epipedon

    argillic horizon

    0—46

    46—94

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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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    Ap—0 to 20 centimeters (0.0 to 7.9 inches); 75 percent black (10YR 2/1) and 25 percent very dark gray (10YR 3/1) crushed, dark gray (10YR 4/1), dry; silty clay loam; moderate medium granular structure; firm; many (10.0) very fine roots between peds; fragments; abrupt smooth boundary. Lab sample # IL19815. The Ap horizon has cloddy structure due to tillage equipment
    A—20 to 33 centimeters (7.9 to 13.0 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silty clay loam; moderate coarse granular structure; firm; many (10.0) very fine roots between peds; fragments; clear smooth boundary. Lab sample # IL19816
    AB—33 to 46 centimeters (13.0 to 18.1 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silty clay loam; moderate fine angular blocky structure; firm; common (3.0) very fine roots between peds; 10 percent fine distinct irregular yellowish brown (10YR 5/4), moist, masses of oxidized iron with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # IL19817
    BA—46 to 56 centimeters (18.1 to 22.0 inches); variegated 70 percent very dark gray (10YR 3/1) and 30 percent dark gray (10YR 4/1), gray (10YR 5/1), dry; silty clay loam; weak medium prismatic parts to moderate medium angular blocky structure; firm; common (3.0) very fine roots between peds; 25 percent prominent very dark gray (2.5Y 3/1), moist, organoargillans on all faces of peds; 10 percent medium prominent irregular yellowish brown (10YR 5/6) masses of oxidized iron with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # IL19818. continuous - phpvsfiid 1406271; continuous - phpvsfiid 1406271
    Btg1—56 to 71 centimeters (22.0 to 28.0 inches); variegated 80 percent dark gray (10YR 4/1) and 20 percent dark grayish brown (2.5Y 4/2) silty clay loam; weak medium prismatic parts to moderate medium angular blocky structure; firm; common (3.0) very fine roots between peds; 25 percent prominent very dark gray (5Y 3/1), moist, organoargillans on all faces of peds; 25 percent medium distinct irregular yellowish brown (10YR 5/4), moist, masses of oxidized iron with clear boundaries in matrix; fragments; gradual smooth boundary. Lab sample # IL19819. continuous - phpvsfiid 1406274; continuous - phpvsfiid 1406274
    Btg2—71 to 94 centimeters (28.0 to 37.0 inches); dark grayish brown (10YR 4/2) silty clay loam; mottles; moderate medium angular blocky structure; firm; common (3.0) very fine roots between peds; 25 percent distinct very dark gray (5Y 3/1), moist, organoargillans on vertical faces of peds and 25 percent distinct dark gray (5Y 4/1), moist, and clay films on vertical faces of peds; 1 percent fine prominent irregular dark yellowish brown (10YR 4/6), moist, masses of oxidized iron with clear boundaries in matrix; fragments; gradual smooth boundary. Lab sample # IL19820. continuous - phpvsfiid 1406272; continuous - phpvsfiid 1406273; continuous - phpvsfiid 1406272; continuous - phpvsfiid 1406273
    BCg—94 to 119 centimeters (37.0 to 46.9 inches); variegated 60 percent dark gray (10YR 4/1) and 40 percent yellowish brown (10YR 5/4) silt loam; mottles; weak medium angular blocky, and weak coarse angular blocky structure; firm; few (0.8) very fine roots between peds; 25 percent prominent very dark gray (10YR 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; clear smooth boundary. Lab sample # IL19821. continuous - phpvsfiid 1406270; continuous - phpvsfiid 1406270
    Cg1—119 to 140 centimeters (46.9 to 55.1 inches); variegated 70 percent gray (10YR 5/1) and 30 percent yellowish brown (10YR 5/6) silt loam; mottles; massive; friable; few (0.8) very fine roots between peds; 1 percent fine prominent irregular strong brown (7.5YR 5/8), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; clear smooth boundary. Lab sample # IL19822. The second matrix color: yellowish brown (10YR 5/6) is outside the RIC
    2Cg2—140 to 155 centimeters (55.1 to 61.0 inches); variegated 60 percent gray (10YR 5/1) and 40 percent light gray (10YR 7/1) silt loam; and mottles; massive; friable; few (0.8) very fine roots throughout; and 10 percent medium prominent irregular yellowish brown (10YR 5/6), moist, and reddish brown (5YR 4/4), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; clear smooth boundary. Lab sample # IL19823. The second matrix color (light gray (10YR 7/1) is outside the RIC; This horizon was devoped primarily in Roxana Loess; with about 15 sand
    3Btgb—155 to 183 centimeters (61.0 to 72.0 inches); variegated 60 percent gray (10YR 5/1) and 40 percent light gray (10YR 7/1) silty clay loam; mottles; weak fine angular blocky structure; firm; few (0.8) very fine roots between peds; 25 percent distinct dark grayish brown (10YR 4/2), moist, clay films on vertical faces of peds; 10 percent medium distinct irregular yellowish brown (10YR 5/4), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments. Lab sample # IL19824. this horizon devoped primarily in Illinois till that contains about 15 percent sand & about 10 percent coarse fragments with a strongly developed Sanganmon paleosol; the "7" value in the matrix color (10YR 71/) is outside the RIC; discontinuous - phpvsfiid 1406275; discontinuous - phpvsfiid 1406275