IDENTIFIERS

  • Current Taxon Name (Soil Name): Virden
  • OSD
  • Series Extent
  • User Site ID: S1930IL057005
  • User Pedon ID: S1930IL057005
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - IL SCL
  • Lab Pedon # - 30IL057005
  • NCSS Pedon Lab Data NASIS Record ID - 20381
  • 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: 40.5597278
  • Std. Longitude: -90.1739806
  • Datum: WGS84
  • Township: 7N
  • Range: 3E
  • Section: 28
  • Location Description: 20 rods E of road leading N from Rt 9, near original sampling site
  • Map Unit: 43A—Ipava silt loam, 0 to 2 percent slopes
  • Country: US—United States
  • State: Illinois
  • County: IL057—Fulton
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Regional Office: NC—North Central
  • Non-MLRA Soil Survey Area: IL057—Fulton County, Illinois
  • 7.5 Minute USGS Quad: 40090-E2—Fiatt, Illinois

    • PEDON

  • Describers Name: PRJ & WME
  • 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 #: 5
  • Correlated Information:
  • Soil Name - Virden
  • PSC - 48 to 74 cm.
  • Classificaton Date - 2/22/2010
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Ipava
  • PSC - 48 to 98 cm.
  • Classificaton Date - 10/1/1930
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1930 (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

    Btg4

    Cg

    2C

    0

    30

    41

    48

    74

    86

    97

    117

    132

    30

    41

    48

    74

    86

    97

    117

    132

    147

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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

    Btg4

    Cg

    2C

    0

    30

    41

    48

    74

    86

    97

    117

    132

    30

    41

    48

    74

    86

    97

    117

    132

    147

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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

    Btg4

    Cg

    2C

    0

    30

    41

    48

    74

    86

    97

    117

    132

    30

    41

    48

    74

    86

    97

    117

    132

    147

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

    mollic epipedon

    argillic horizon

    0—48

    48—74

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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 (10YR 2/1), dark gray (10YR 4/1), dry; silty clay loam; 30 percent clay; strong coarse granular structure; friable; common (3.0) very fine roots between peds and many (10.0) fine roots between peds; yellowish brown (10YR 5/6); and ; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL13905, IL13906. Horizon split for sampling: IL13905 0 to 20 cm, IL13906 20 to 30 cm.
    A2—30 to 41 centimeters (11.8 to 16.1 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silty clay loam; 35 percent clay; strong fine subangular blocky, and strong medium angular blocky structure; firm; common (3.0) very fine roots between peds and many (10.0) fine roots between peds; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # IL13907
    AB—41 to 48 centimeters (16.1 to 18.9 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silty clay loam; 37 percent clay; strong medium angular blocky, and strong fine subangular blocky structure; firm; few (0.8) very fine roots between peds and common (3.0) fine roots between peds; 25 percent medium distinct irregular yellowish brown (10YR 5/4), moist, masses of oxidized iron with clear boundaries in matrix; fragments; moderately acid, pH 5.9; clear smooth boundary. Lab sample # IL13908
    Btg1—48 to 74 centimeters (18.9 to 29.1 inches); grayish brown (2.5Y 5/2) silty clay loam; 38 percent clay; and mottles; strong medium subangular blocky, and moderate medium angular blocky structure; firm; few (0.8) very fine roots between peds and common (3.0) fine roots between peds; 10 percent prominent black (10YR 2/1), moist, and organic stains on all faces of peds and 10 percent distinct very dark gray (10YR 3/1), moist, and very dark grayish brown (10YR 3/2), moist, organoargillans on all faces of peds; 1 percent fine prominent spherical black (5YR 2.5/1), moist, manganese masses with sharp boundaries throughout and 10 percent medium prominent irregular strong brown (7.5YR 5/8), moist, masses of oxidized iron with clear boundaries in matrix and 25 percent medium prominent irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron with clear boundaries in matrix; fragments; slightly acid, pH 6.2; gradual smooth boundary. Lab sample # IL13909. continuous - phpvsfiid 1406399; continuous - phpvsfiid 1406400; continuous - phpvsfiid 1406399; continuous - phpvsfiid 1406400
    Btg2—74 to 86 centimeters (29.1 to 33.9 inches); grayish brown (2.5Y 5/2) silty clay loam; 32 percent clay; and mottles; moderate medium angular blocky structure; firm; few (0.8) very fine roots between peds and few (0.8) fine roots between peds; 10 percent distinct very dark grayish brown (10YR 3/2), moist, organoargillans on all faces of peds and 25 percent distinct very dark grayish brown (10YR 3/2), moist, organoargillans on all faces of peds; 10 percent medium prominent irregular black (5YR 2.5/1), moist, manganese masses with clear boundaries throughout and 25 percent medium prominent irregular strong brown (7.5YR 5/8), moist, masses of oxidized iron with clear boundaries in matrix and 25 percent medium prominent irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron with clear boundaries in matrix; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # IL13910. continuous - phpvsfiid 1406397; continuous - phpvsfiid 1406398; continuous - phpvsfiid 1406397; continuous - phpvsfiid 1406398
    Btg3—86 to 97 centimeters (33.9 to 38.2 inches); light brownish gray (2.5Y 6/2) silty clay loam; 30 percent clay; and and mottles; weak coarse angular blocky, and weak medium angular blocky structure; firm; few (0.8) fine roots between peds; 10 percent prominent very dark gray (10YR 3/1), moist, organoargillans on all faces of peds and 10 percent prominent very dark grayish brown (10YR 3/2), moist, organoargillans on all faces of peds and 10 percent prominent black (10YR 2/1), moist, organic stains on all faces of peds; 1 percent medium prominent irregular black (5YR 2.5/1), moist, manganese masses with clear boundaries throughout and 25 percent coarse prominent platy yellowish brown (10YR 5/6), moist, and strong brown (7.5YR 5/8), moist, masses of oxidized iron with clear boundaries in matrix; fragments; neutral, pH 6.9; clear smooth boundary. Lab sample # IL13911. continuous - phpvsfiid 1406389; continuous - phpvsfiid 1406390; continuous - phpvsfiid 1406391; continuous - phpvsfiid 1406389; continuous - phpvsfiid 1406390; continuous - phpvsfiid 1406391
    Btg4—97 to 117 centimeters (38.2 to 46.1 inches); light brownish gray (2.5Y 6/2) silt loam; 26 percent clay; and and mottles; weak coarse angular blocky structure; friable; 10 percent prominent very dark grayish brown (10YR 3/2), moist, and organoargillans on surfaces along pores and 10 percent prominent very dark grayish brown (10YR 3/2), moist, organoargillans on vertical faces of peds and 10 percent prominent black (10YR 2/1), moist, organic stains on vertical faces of peds and 25 percent distinct dark gray (2.5Y 4/1), moist, clay films on vertical faces of peds; 25 percent medium prominent platy black (5YR 2.5/1), moist, manganese masses with clear boundaries throughout and 25 percent coarse prominent irregular strong brown (7.5YR 5/8), moist, masses of oxidized iron with diffuse boundaries in matrix and 25 percent coarse prominent irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; neutral, pH 6.9; clear smooth boundary. Lab sample # IL13912. continuous - phpvsfiid 1406385; continuous - phpvsfiid 1406386; continuous - phpvsfiid 1406387; continuous - phpvsfiid 1406388; continuous - phpvsfiid 1406385; continuous - phpvsfiid 1406386; continuous - phpvsfiid 1406387; continuous - phpvsfiid 1406388
    Cg—117 to 132 centimeters (46.1 to 52.0 inches); light brownish gray (2.5Y 6/2) silt loam; 21 percent clay; and mottles; massive; friable; and 5 percent prominent organic stains on surfaces along root channels and 10 percent prominent very dark grayish brown (10YR 3/2), moist, organoargillans on surfaces along pores and 10 percent prominent very dark grayish brown (10YR 3/2), moist, and organoargillans on surfaces along root channels; and 1 percent medium prominent irregular and very dark grayish brown and very dark grayish brown (5YR 2.5/1), moist, manganese masses with clear boundaries throughout and 25 percent coarse prominent irregular (10YR 5/6), moist, masses of oxidized iron with clear boundaries in matrix; fragments; slight effervescence; slightly alkaline, pH 7.8; gradual smooth boundary. Lab sample # IL13913. continuous - phpvsfiid 1406393; continuous - phpvsfiid 1406394; continuous - phpvsfiid 1406395; continuous - phpvsfiid 1406393; continuous - phpvsfiid 1406394; continuous - phpvsfiid 1406395
    2C—132 to 147 centimeters (52.0 to 57.9 inches); yellowish brown (10YR 5/8) silt loam; 18 percent clay; and and mottles; massive; friable; few (0.8) very fine roots top of horizon; ; 1 percent medium prominent irregular black (5YR 2.5/1), moist, manganese masses with clear boundaries throughout and 10 percent medium faint irregular strong brown (7.5YR 5/8), moist, masses of oxidized iron with clear boundaries in matrix and 25 percent coarse prominent irregular light brownish gray (2.5Y 6/2), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence; slightly alkaline, pH 7.6. Lab sample # IL13914. This horizon developed primarily in Roxana Silts; The matrix color 0f yellowish brown (10YR 5/8) in the C horizon is outside the RIC.