IDENTIFIERS

  • Current Taxon Name (Soil Name): Virden
  • OSD
  • Series Extent
  • User Site ID: S1967IL017004
  • User Pedon ID: S1967IL017004
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - IL SCL
  • Lab Pedon # - 67IL017004
  • NCSS Pedon Lab Data NASIS Record ID - 20622
  • Print Date: 12/17/2024
  • 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: 39.9199778
  • Std. Longitude: -90.2494889
  • Datum: WGS84
  • Township: 17N
  • Range: 10W
  • Section: 17
  • PLSS Details: SW 160, SE 40, NE 10
  • Location Description: about 1,108 feet north & 292 feet west of road intersection
  • Map Unit: 68A—Sable silty clay loam, 0 to 2 percent slopes
  • Country: US—United States
  • State: Illinois
  • County: IL017—Cass
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Regional Office: NC—North Central
  • Non-MLRA Soil Survey Area: IL017—Cass County, Illinois
  • 7.5 Minute USGS Quad: 39090-H2—Virginia, Illinois
  • PEDON

  • Describers Name: S, R, F
  • 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 #: 4
  • Correlated Information:
  • Soil Name - Virden
  • PSC - 41 to 66 cm.
  • Classificaton Date - 7/10/2009
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Sable
  • PSC - 41 to 91 cm.
  • Classificaton Date - 9/1/1967
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: Fine-textured loess & the underlying glacial drift
  • Landscape: upland
  • Landform: drainageway
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: poorly
  • Ponding: occasional ponding for long periods
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/23/2009 (entry creation 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

    A1

    A2

    AB

    Btg1

    Btg2

    Btg3

    Btg4

    Cg1

    2Cg2

    0

    23

    36

    41

    51

    66

    76

    91

    105

    178

    23

    36

    41

    51

    66

    76

    91

    105

    178

    239

    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

    A1

    A2

    AB

    Btg1

    Btg2

    Btg3

    Btg4

    Cg1

    2Cg2

    0

    23

    36

    41

    51

    66

    76

    91

    105

    178

    23

    36

    41

    51

    66

    76

    91

    105

    178

    239

    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

    A1

    A2

    AB

    Btg1

    Btg2

    Btg3

    Btg4

    Cg1

    2Cg2

    0

    23

    36

    41

    51

    66

    76

    91

    105

    178

    23

    36

    41

    51

    66

    76

    91

    105

    178

    239

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

    mollic epipedon

    aquic conditions

    argillic horizon

    0—51

    0—239

    41—66

    —-

    —-

    —-

    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

    1025

    190

    13

    Ap—0 to 23 centimeters (0.0 to 9.1 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silt loam; 23 percent clay; weak fine granular, and weak medium granular structure; friable; many (10.0) very fine roots between peds; fragments; slightly acid, pH 6.5; abrupt smooth boundary. Lab sample # IL20532
    A1—23 to 36 centimeters (9.1 to 14.2 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silty clay loam; 31 percent clay; moderate medium granular structure; firm; many (10.0) very fine roots between peds; fragments; moderately acid, pH 5.9; abrupt smooth boundary. Lab sample # IL20533
    A2—36 to 41 centimeters (14.2 to 16.1 inches); variegated 70 percent black (10YR 2/1) and 30 percent very dark gray (10YR 3/1) crushed, gray (10YR 5/1), dry; silty clay loam; 33 percent clay; weak medium prismatic parts to moderate fine subangular blocky structure; firm; common (3.0) very fine roots between peds; fragments; moderately acid, pH 5.8; abrupt smooth boundary. Lab sample # IL20534
    AB—41 to 51 centimeters (16.1 to 20.1 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silty clay loam; 37 percent clay; and mottles; weak medium prismatic parts to strong medium angular blocky structure; firm; common (3.0) very fine roots between peds; 25 percent faint very dark gray (2.5Y 3/1), moist, organoargillans on all faces of peds; 1 percent fine distinct irregular pale brown (10YR 6/3), moist, and yellowish brown (10YR 5/4), moist, masses of oxidized iron with sharp boundaries in matrix and 25 percent medium distinct spherical very dark brown (7.5YR 2.5/2), moist, iron-manganese concretions with sharp boundaries throughout; fragments; moderately acid, pH 6.0; abrupt smooth boundary. Lab sample # IL20535. continuous - phpvsfiid 1406343; continuous - phpvsfiid 1406343
    Btg1—51 to 66 centimeters (20.1 to 26.0 inches); variegated 80 percent grayish brown (10YR 5/2) and 20 percent dark grayish brown (2.5Y 4/2) crushed silty clay loam; 38 percent clay; and mottles; strong medium prismatic parts to moderate medium angular 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; 1 percent fine prominent irregular brownish yellow (10YR 6/6), moist, and yellowish brown (10YR 5/6), moist, masses of oxidized iron with clear boundaries in matrix and 25 percent medium prominent spherical very dark brown (7.5YR 2.5/2), moist, iron-manganese concretions with sharp boundaries throughout; fragments; slightly acid, pH 6.2; clear smooth boundary. Lab sample # IL20536. continuous - phpvsfiid 1406347; continuous - phpvsfiid 1406347
    Btg2—66 to 76 centimeters (26.0 to 29.9 inches); variegated 65 percent grayish brown (2.5Y 5/2) and 35 percent dark grayish brown (2.5Y 4/2) crushed silty clay loam; 35 percent clay; and mottles; strong medium prismatic parts to moderate medium angular 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; 10 percent fine prominent irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron with clear boundaries in matrix and 10 percent fine faint irregular gray (10YR 6/1), moist, iron depletions with clear boundaries in matrix and 25 percent medium prominent spherical very dark brown (7.5YR 2.5/2), moist, iron-manganese concretions with sharp boundaries throughout; fragments; slightly acid, pH 6.2; clear smooth boundary. Lab sample # IL20537. continuous - phpvsfiid 1406348; continuous - phpvsfiid 1406348
    Btg3—76 to 91 centimeters (29.9 to 35.8 inches); variegated 70 percent grayish brown (2.5Y 5/2) and 30 percent olive brown (2.5Y 4/4) crushed silty clay loam; 29 percent clay; mottles; moderate medium prismatic parts to moderate medium angular blocky structure; firm; few (0.8) very fine roots between peds; 10 percent prominent very dark gray (10YR 3/1), moist, organoargillans on all faces of peds and 25 percent distinct dark gray (2.5Y 4/1), 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 10 percent medium prominent irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron with clear boundaries in matrix; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL20538. patchy - phpvsfiid 1406345; continuous - phpvsfiid 1406346; patchy - phpvsfiid 1406345; continuous - phpvsfiid 1406346
    Btg4—91 to 105 centimeters (35.8 to 41.3 inches); variegated 60 percent pale olive (5Y 6/3) and 40 percent light olive brown (2.5Y 5/4) silty clay loam; 25 percent clay; mottles; weak medium prismatic parts to moderate medium angular blocky structure; friable; few (0.8) very fine roots between peds; 10 percent prominent very dark gray (10YR 3/1), moist, organoargillans on vertical faces of peds; 25 percent medium prominent irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix; 1 percent medium prominent cylindrical very dark gray (10YR 3/1), moist, worm casts with clear boundaries in matrix; fragments; neutral, pH 7.1; clear smooth boundary. Lab sample # IL20539. both matric color hues are outside the RIC; continuous - phpvsfiid 1406349; continuous - phpvsfiid 1406349
    Cg1—105 to 178 centimeters (41.3 to 70.1 inches); variegated 40 percent gray (5Y 6/1) and 20 percent yellowish brown (10YR 5/6) and 20 percent light olive brown (2.5Y 5/4) and 20 percent very dark gray (10YR 3/1) silt loam; 17 percent clay; massive; friable; few (0.8) very fine roots throughout; 10 percent distinct grayish brown (2.5Y 5/2), moist, clay films on surfaces along pores; fragments; slight effervescence; slightly alkaline, pH 7.8. Lab sample # IL20543, IL20540, IL20544, IL20542. Horizon split for sampling: IL20540 105 to 119 cm, IL20542 132 to 147 cm, IL20543 147 to 163 cm, IL20544 163 to 178 cm.; free carbonated occur too high in this horizon and the lower part of this horizon has a silt texture; the clay films coat vertical faces of cleavage planes; continuous - phpvsfiid 1406344; continuous - phpvsfiid 1406344
    2Cg2—178 to 239 centimeters (70.1 to 94.1 inches); variegated 40 percent gray (5Y 6/1) and 30 percent light olive brown (2.5Y 5/4) crushed and 30 percent yellowish brown (10YR 5/6) silt loam; 15 percent clay; massive; friable; 0.1 very fine roots top of horizon; 10 percent medium prominent irregular strong brown (7.5YR 5/8), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; slight effervescence; moderately alkaline, pH 7.9. Lab sample # IL20546, IL20545, IL20547, IL20548, IL20541. Horizon split for sampling: IL20541 119 to 132 cm, IL20545 178 to 193 cm, IL20546 193 to 208 cm, IL20547 208 to 224 cm, IL20548 224 to 239 cm.; about 15 percent sand; developed primarily in Roxana Silts; the yellowish brown (10YR 5/6) matric color is outside the RIC and a silt texture occurs in the lower part of this horizon