IDENTIFIERS

  • Current Taxon Name (Soil Name): Virden
  • OSD
  • Series Extent
  • User Site ID: S1990IL035025
  • User Pedon ID: S1990IL035025
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 90P0797
  • NCSS Pedon Lab Data NASIS Record ID - 62730
  • 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: 39.3126278
  • Std. Longitude: -88.2480556
  • Datum: WGS84
  • Township: 10N
  • Range: 9E
  • Section: 18
  • PLSS Details: 1,500 feet S and 75 feet E of the NW corner
  • Map Unit: 50—Virden silt loam, 0 to 2 percent slopes
  • Country: US—United States
  • State: Illinois
  • County: IL035—Cumberland
  • MLRA: 113—Central Claypan Areas
  • Regional Office: NC—North Central
  • Non-MLRA Soil Survey Area: IL035—Cumberland County, Illinois
  • 7.5 Minute USGS Quad: 39088-C2—Toledo, Illinois

    • PEDON

  • Describers Name: Crew
  • 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: Converted from SSL-CMS data
  • Pedon #: 25
  • Correlated Information:
  • Soil Name - Virden
  • PSC - 28 to 78 cm.
  • Classificaton Date - 5/5/2015
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Virden
  • Taxonomic Class - Fine, montrillonitic Typic Argiaquolls
  • PSC - 28 to 79 cm.
  • Classificaton Date - 7/1/1990
  • Moisture Class - aquic
  • 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 with strongly developed paleosol
  • Landscape: upland
  • Landform: ground moraine
  • Runoff: very low
  • Drainage Class: poorly
  • Ponding: occasional ponding for long periods
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1990 (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
  • Site Erosion Accelerated: water erosion
    • 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

    Btg4

    Btg5

    2Ab

    2Btgb1

    2Btgb2

    0

    15

    28

    41

    66

    97

    145

    163

    185

    229

    15

    28

    41

    66

    97

    145

    163

    185

    229

    267

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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

    Btg4

    Btg5

    2Ab

    2Btgb1

    2Btgb2

    0

    15

    28

    41

    66

    97

    145

    163

    185

    229

    15

    28

    41

    66

    97

    145

    163

    185

    229

    267

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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

    Btg4

    Btg5

    2Ab

    2Btgb1

    2Btgb2

    0

    15

    28

    41

    66

    97

    145

    163

    185

    229

    15

    28

    41

    66

    97

    145

    163

    185

    229

    267

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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—28

    0—200

    28—163

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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

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    91

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    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silt loam; weak thick platy parts to moderate medium granular structure; friable; many (10.0) very fine roots between peds; fragments; moderately acid, pH 5.9, hellige-truog; abrupt smooth boundary. Lab sample # 90P04676
    A—15 to 28 centimeters (5.9 to 11.0 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silt loam; mottles; weak thick platy parts to moderate medium granular structure; friable; many (10.0) very fine roots between peds; 1 percent fine distinct irregular dark yellowish brown (10YR 4/4), moist, masses of oxidized iron with sharp boundaries in matrix; fragments; strongly acid, pH 5.5, hellige-truog; abrupt smooth boundary. Lab sample # 90P04677. dark grayish brown (10YR 4/2) fragments in the lower part; few fine distinct 10YR44 mottles
    Btg1—28 to 41 centimeters (11.0 to 16.1 inches); dark grayish brown (10YR 4/2) silty clay loam; mottles; weak medium prismatic parts to moderate medium subangular blocky structure; firm; common (3.0) very fine roots between peds; 15 percent distinct very dark gray (10YR 3/1), moist, organoargillans on surfaces along root channels and 37 percent distinct very dark gray (10YR 3/1), moist, organoargillans on all faces of peds and 55 percent faint dark gray (10YR 4/1), moist, clay films on all faces of peds; 1 percent fine distinct irregular dark yellowish brown (10YR 4/4), moist, masses of oxidized iron with sharp boundaries in matrix and 10 percent fine prominent irregular strong brown (7.5YR 5/6), moist, masses of oxidized iron with sharp boundaries in matrix; fragments; strongly acid, pH 5.5, hellige-truog; abrupt smooth boundary. Lab sample # 90P04678. many clay films surface features; common organic coats surface features; few coats surface features on faces of peds; common fine prominent 7.5YR56 mottles; continuous - phpvsfiid 1406464; continuous - phpvsfiid 1406465; continuous - phpvsfiid 1406466; continuous - phpvsfiid 1406464; continuous - phpvsfiid 1406465; continuous - phpvsfiid 1406466
    Btg2—41 to 66 centimeters (16.1 to 26.0 inches); dark grayish brown (10YR 4/2) silty clay loam; mottles; moderate medium prismatic parts to moderate medium angular blocky structure; very firm; common (3.0) very fine roots between peds; 10 percent distinct very dark gray (10YR 3/1), moist, organoargillans on surfaces along pores and 25 percent faint dark gray (10YR 4/1), moist, clay films on all faces of peds; 30 percent medium prominent irregular strong brown (7.5YR 5/6), moist, masses of oxidized iron with clear boundaries in matrix; fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # 90P04679. many clay films surface features; common organic coats surface features on faces of peds; many medium prominent 7.5YR56 mottles; continuous - phpvsfiid 1406460; continuous - phpvsfiid 1406461; continuous - phpvsfiid 1406460; continuous - phpvsfiid 1406461
    Btg3—66 to 97 centimeters (26.0 to 38.2 inches); dark grayish brown (10YR 4/2) silty clay loam; mottles; moderate coarse prismatic parts to moderate medium angular blocky structure; very firm; common (3.0) very fine roots between peds; 15 percent distinct very dark gray (10YR 3/1), moist, organoargillans on surfaces along pores and 25 percent distinct dark gray (10YR 4/1), moist, clay films on all faces of peds; 30 percent medium prominent irregular strong brown (7.5YR 5/6), moist, masses of oxidized iron with clear boundaries in matrix; fragments; slightly acid, pH 6.5, hellige-truog; abrupt smooth boundary. Lab sample # 90P04680. many clay films surface features; few organic coats surface features on faces of peds; many medium prominent 7.5YR56 mottles; continuous - phpvsfiid 1406467; continuous - phpvsfiid 1406468; continuous - phpvsfiid 1406467; continuous - phpvsfiid 1406468
    Btg4—97 to 145 centimeters (38.2 to 57.1 inches); variegated 60 percent light brownish gray (10YR 6/2) and 40 percent strong brown (7.5YR 5/6) silty clay loam; weak coarse prismatic parts to moderate medium angular blocky structure; firm; few (0.8) very fine roots between peds; 25 percent distinct dark gray (10YR 4/1), moist, clay films on all faces of peds; fragments; neutral, pH 6.6, hellige-truog; clear smooth boundary. Lab sample # 90P04681. grayish brown (2.5Y 5/2) silt loam tongue, 1 inch thick; very dark gray (10YR 3/1) silty clay loam tongue, 1 inch thick; common clay films surface features on faces of peds; the second matricx color is outside the RIC; continuous - phpvsfiid 1406469; continuous - phpvsfiid 1406469
    Btg5—145 to 163 centimeters (57.1 to 64.2 inches); light brownish gray (10YR 6/2) silty clay loam; mottles; weak medium subangular blocky, and weak coarse subangular blocky structure; firm; few (0.8) very fine roots between peds; 25 percent distinct dark gray (10YR 4/1), moist, clay films on vertical faces of peds; 10 percent medium prominent irregular strong brown (7.5YR 5/6), moist, masses of oxidized iron with clear boundaries in matrix; fragments; neutral, pH 6.7, hellige-truog; abrupt smooth boundary. Lab sample # 90P04682. black (10YR 2/1) and very dark gray (10YR 3/1) bands 1/2 inch thick; silty clay loam tongues; common clay films surface features on faces of peds; common medium prominent 7.5YR56 mottles; continuous - phpvsfiid 1406462; continuous - phpvsfiid 1406462
    2Ab—163 to 185 centimeters (64.2 to 72.8 inches); black (10YR 2/1) silty clay loam; mottles; moderate fine subangular blocky parts to moderate medium granular structure; firm; few (0.8) very fine roots top of horizon; 25 percent distinct grayish brown (2.5Y 5/2), moist, and dark gray (10YR 4/1), moist, clay films on all faces of peds; 30 percent medium prominent irregular brown (7.5YR 4/4), moist, masses of oxidized iron with clear boundaries in matrix; fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary. Lab sample # 90P04683. This horizon devoped primarily in Roxana Silts; grayish brown (2.5Y 5/2) tongue; common clay films surface features on faces of peds; many medium prominent 7.5YR44 mottles; about 10 pecent sand; continuous - phpvsfiid 1406463; continuous - phpvsfiid 1406463
    2Btgb1—185 to 229 centimeters (72.8 to 90.2 inches); very dark gray (10YR 3/1) clay loam; mottles; moderate medium subangular blocky structure; firm; 0.1 very fine roots top of horizon; 25 percent distinct very dark gray (10YR 3/1), moist, organoargillans on all faces of peds; 1 percent fine distinct irregular dark brown (10YR 3/3), moist, masses of oxidized iron with clear boundaries in matrix; 1 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 90P04684. The last two horizons developed primarily in Illinoi till; common organo-clay films surface features on faces of peds; few fine faint 10YR33 mottles; about 15 percent sand and 1 pecent coarse fragments; continuous - phpvsfiid 1406459; continuous - phpvsfiid 1406459
    2Btgb2—229 to 267 centimeters (90.2 to 105.1 inches); very dark gray (10YR 3/1) clay loam; and and mottles; weak medium subangular blocky structure; firm; 25 percent distinct dark gray (10YR 4/1), moist, clay films on all faces of peds; 1 percent fine distinct irregular dark brown (10YR 3/3), moist, masses of oxidized iron with clear boundaries in matrix and 10 percent fine faint irregular gray (10YR 5/1), moist, iron depletions with clear boundaries in matrix and 10 percent medium prominent irregular light olive brown (2.5Y 5/4), moist, masses of oxidized iron with clear boundaries in matrix; 1 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 7.1, hellige-truog. Lab sample # 90P04685. common clay films surface features on faces of peds; few fine faint 10YR33 mottles; common fine distinct 10YR51 mottles; common medium distinct 2.5Y54 mottles; about 15 percent sand; about 1 percent coarse fragments; the last three horizons developed primarily in Illinois till with a paleosol; continuous - phpvsfiid 1406470; continuous - phpvsfiid 1406470