IDENTIFIERS

  • Current Taxon Name (Soil Name): Virden
  • OSD
  • Series Extent
  • User Site ID: S1987IL109035
  • User Pedon ID: S1987IL109035
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - IL SCL
  • Lab Pedon # - 87IL109035
  • NCSS Pedon Lab Data NASIS Record ID - 22068
  • 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: 40.4762361
  • Std. Longitude: -90.8343056
  • Datum: WGS84
  • Township: 6N
  • Range: 4W
  • Section: 27
  • PLSS Details: 1400 feet N & 1560 feet W of the SE corner
  • Map Unit: 50A—Virden silty clay loam, 0 to 2 percent slopes
  • Country: US—United States
  • State: Illinois
  • County: IL109—McDonough
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Regional Office: NC—North Central
  • Non-MLRA Soil Survey Area: IL109—McDonough County, Illinois
  • 7.5 Minute USGS Quad: 40090-D7—Colchester, Illinois
  • PEDON

  • Describers Name: Michael B. Walker
  • Current Taxonomic Class: Fine, smectitic, mesic Vertic Endoaquolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 35
  • 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 - Sable
  • Classificaton Date - 3/1/1987
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

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

    SITE OBSERVATION

  • Observation Date: 3/1/1987 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • 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

    41

    58

    84

    102

    124

    20

    41

    58

    84

    102

    124

    152

    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

    41

    58

    84

    102

    124

    20

    41

    58

    84

    102

    124

    152

    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

    41

    58

    84

    102

    124

    20

    41

    58

    84

    102

    124

    152

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

    mollic epipedon

    aquic conditions

    cambic horizon

    0—58

    0—200

    58—124

    —-

    —-

    —-

    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

    217

    Ap—0 to 20 centimeters (0.0 to 7.9 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silty clay loam; moderate fine granular structure; friable; many (10.0) very fine roots between peds and common (3.0) fine roots between peds; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # IL33612
    A—20 to 41 centimeters (7.9 to 16.1 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silty clay loam; moderate medium granular structure; friable; many (10.0) very fine roots between peds and common (3.0) 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 7.0; gradual smooth boundary. Lab sample # IL33613
    AB—41 to 58 centimeters (16.1 to 22.8 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silty clay loam; mottles; weak fine prismatic parts to moderate fine subangular blocky structure; friable; common (3.0) very fine roots between peds and common (3.0) fine roots between peds; 50 percent faint black (10YR 2/1), moist, organic stains on all faces of peds; 1 percent fine faint irregular dark grayish brown (2.5Y 4/2), moist, iron depletions with sharp boundaries in matrix and 1 percent fine distinct irregular dark brown (7.5YR 3/3), moist, iron-manganese masses with sharp boundaries throughout; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # IL33614. continuous - phpvsfiid 1406433; continuous - phpvsfiid 1406433
    Btg1—58 to 84 centimeters (22.8 to 33.1 inches); grayish brown (2.5Y 5/2) silty clay loam; and mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; firm; common (3.0) very fine roots between peds; 25 percent prominent very dark gray (10YR 3/1), moist, organoargillans on all faces of peds and 50 percent distinct dark gray (10YR 4/1), moist, clay films on all faces of peds; 1 percent fine faint irregular light brownish gray (2.5Y 6/2), moist, iron depletions with clear boundaries in matrix and 1 percent fine distinct irregular light olive brown (2.5Y 5/4), moist, masses of oxidized iron with clear boundaries in matrix and 1 percent fine prominent spherical very dark brown (7.5YR 2.5/2), moist, iron-manganese concretions with sharp boundaries throughout and 1 percent medium prominent spherical very dark brown (7.5YR 2.5/2), moist, iron-manganese concretions with sharp boundaries throughout; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # IL33615, IL33616. Horizon split for sampling: IL33615 58 to 84 cm, IL33616 58 to 84 cm.; continuous - phpvsfiid 1406434; continuous - phpvsfiid 1406435; continuous - phpvsfiid 1406434; continuous - phpvsfiid 1406435
    Btg2—84 to 102 centimeters (33.1 to 40.2 inches); light brownish gray (2.5Y 6/2) silty clay loam; mottles; weak medium prismatic parts to moderate medium subangular blocky structure; friable; few (0.8) very fine roots between peds; 10 percent prominent very dark gray (2.5Y 3/1), moist, organoargillans on all faces of peds and 10 percent prominent very dark gray (10YR 3/1), moist, organoargillans on surfaces along root channels and 25 percent distinct dark grayish brown (2.5Y 4/2), moist, clay films on all 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 1 percent medium prominent spherical very dark brown (7.5YR 2.5/2), moist, iron-manganese concretions with sharp boundaries throughout and 10 percent fine prominent irregular light olive brown (2.5Y 5/6), moist, masses of oxidized iron with clear boundaries in matrix; fragments; neutral, pH 7.0; gradual smooth boundary. Lab sample # IL33617. continuous - phpvsfiid 1406436; continuous - phpvsfiid 1406437; continuous - phpvsfiid 1406438; continuous - phpvsfiid 1406436; continuous - phpvsfiid 1406437; continuous - phpvsfiid 1406438
    Btg3—102 to 124 centimeters (40.2 to 48.8 inches); light brownish gray (2.5Y 6/2) silty clay loam; 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; 1 percent fine prominent irregular dark brown (7.5YR 3/3), moist, iron-manganese masses with clear boundaries throughout and 10 percent fine prominent irregular light olive brown (2.5Y 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; neutral, pH 7.0; gradual smooth boundary. Lab sample # IL33618. continuous - phpvsfiid 1406432; continuous - phpvsfiid 1406432
    Cg—124 to 152 centimeters (48.8 to 59.8 inches); gray (5Y 6/1) silty clay loam; and mottles; massive; friable; few (0.8) very fine roots between peds; 10 percent prominent very dark gray (5Y 3/1), moist, organoargillans on surfaces along pores; 1 percent fine prominent irregular dark brown (7.5YR 3/3), moist, iron-manganese masses with clear boundaries throughout and 25 percent medium prominent irregular light olive brown (2.5Y 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; neutral, pH 7.0. Lab sample # IL33619. continuous - phpvsfiid 1406431; continuous - phpvsfiid 1406431