IDENTIFIERS

  • Current Taxon Name (Soil Name): Floraville
  • OSD
  • Series Extent
  • User Site ID: S1992IL163015
  • User Pedon ID: S1992IL163015
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0585
  • NCSS Pedon Lab Data NASIS Record ID - 64824
  • Print Date: 11/13/2025

    • 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: 38.2708321
  • Std. Longitude: -89.8908310
  • Datum: WGS84
  • Township: 3S
  • Range: 7W
  • Section: 16
  • PLSS Details: 650 feet East and 2420 feet North of SW corner
  • State: Illinois
  • County: IL163—St. Clair
  • MLRA: 114—Southern Illinois and Indiana Thin Loess and Till Plain
  • Non-MLRA Soil Survey Area: IL163—St. Clair County, Illinois

    • PEDON

  • Describers Name: W.M.M., S.J.I., and T. Endres
  • Current Taxonomic Class: Fine, smectitic, mesic Typic Argiaquolls
  • Current Taxon Kind: taxadjunct
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 15
  • Correlated Information:
  • Soil Name - Floraville
  • PSC - 25 to 75 cm.
  • Classificaton Date - 6/15/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Herrick
  • Taxonomic Class - Fine, montmorillonitic, mesic Aquic Argiudoll
  • Taxon Kind - series
  • Classificaton Date - 4/17/1992
  • Moisture Class - udic
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/17/1992 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    1

    —

    —

    122

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    Ap1—0 to 13 centimeters (0.0 to 5.1 inches); dark grayish brown (10YR 4/2) silt loam; 20 percent silt; moderate medium subangular blocky, and moderate medium granular structure; friable; 5.0 fine and medium roots throughout; 50.0 fine and medium high-continuity tubular pores; fragments; neutral, pH 7.1, chlorophenol red; abrupt smooth boundary. Lab sample # 92P03466
    Ap2—13 to 25 centimeters (5.1 to 9.8 inches); dark grayish brown (10YR 4/2) silt loam; 18 percent silt; 5 percent yellowish brown (10YR 5/4) fine distinct mottles; moderate medium subangular blocky parts to moderate fine subangular blocky structure; friable; 3.0 very fine and fine roots throughout; 50.0 very fine and fine high-continuity tubular pores; 2 percent fine spherical iron-manganese concretions; fragments; neutral, pH 7.0, chlorophenol red; abrupt smooth boundary. Lab sample # 92P03467
    Eg—25 to 43 centimeters (9.8 to 16.9 inches); grayish brown (10YR 5/2) silty clay loam; 15 percent yellowish brown (10YR 5/4) fine and medium distinct mottles; moderate medium platy structure; firm; 2.0 very fine roots between peds; 55.0 very fine and fine high-continuity tubular pores; 3 percent medium spherical iron-manganese concretions; fragments; neutral, pH 7.3, chlorophenol red; clear smooth boundary. Lab sample # 92P03468
    Btg1—43 to 64 centimeters (16.9 to 25.2 inches); dark grayish brown (10YR 4/2) silty clay loam; 15 percent yellowish brown (10YR 5/6) fine and medium distinct mottles; moderate medium prismatic, and moderate medium angular blocky structure; very firm; 1.0 very fine roots between peds; 55.0 very fine and fine moderate-continuity vesicular and tubular pores; 51 percent distinct dark gray (10YR 4/1) clay films on faces of peds; 5 percent fine and medium spherical iron-manganese concretions; fragments; strongly acid, pH 5.4, chlorophenol red; clear wavy boundary. Lab sample # 92P03469. continuous - phpvsfiid 191841; continuous - phpvsfiid 191841
    Bt—64 to 79 centimeters (25.2 to 31.1 inches); dark yellowish brown (10YR 4/4) silty clay; 21 percent strong brown (7.5YR 5/6) fine and medium prominent mottles; strong medium prismatic, and strong medium angular blocky structure; very firm; 1.0 very fine roots between peds; 55.0 fine and medium moderate-continuity vesicular and tubular pores; 35 percent distinct dark grayish brown (10YR 4/2) clay films on faces of peds; 3 percent fine and medium spherical iron-manganese concretions; fragments; strongly acid, pH 5.4, chlorophenol red; clear wavy boundary. Lab sample # 92P03470. continuous - phpvsfiid 191842; continuous - phpvsfiid 191842
    Btg2—79 to 107 centimeters (31.1 to 42.1 inches); grayish brown (2.5Y 5/2) silty clay loam; 21 percent strong brown (7.5YR 4/6) fine and medium prominent and 25 percent brown (7.5YR 5/4) medium prominent mottles; moderate coarse prismatic structure; very firm; 1.0 very fine roots between peds; 50.0 very fine and fine moderate-continuity vesicular and tubular pores; 35 percent distinct dark gray (10YR 4/1) clay films on faces of peds; 5 percent fine and medium irregular iron-manganese masses; fragments; moderately acid, pH 5.6, chlorophenol red; gradual smooth boundary. Lab sample # 92P03471. continuous - phpvsfiid 191843; continuous - phpvsfiid 191843
    2Btgb1—107 to 140 centimeters (42.1 to 55.1 inches); light brownish gray (2.5Y 6/2) silty clay loam; 21 percent strong brown (7.5YR 5/8) fine and medium prominent and 21 percent strong brown (7.5YR 4/6) fine and medium prominent mottles; moderate coarse prismatic, and strong medium subangular blocky, and moderate coarse platy structure; very firm; 50.0 very fine and fine moderate-continuity vesicular and tubular pores; 35 percent distinct very dark grayish brown (10YR 3/2) clay films on faces of peds and in pores; 10 percent fine and medium irregular iron-manganese masses; fragments; neutral, pH 7.0, chlorophenol red; abrupt smooth boundary. Lab sample # 92P03472. May not be actual top of lacustrine.; continuous - phpvsfiid 191844; continuous - phpvsfiid 191844
    2Btgb2—140 to 165 centimeters (55.1 to 65.0 inches); grayish brown (2.5Y 5/2) silty clay; 10 percent strong brown (7.5YR 5/6) fine and medium prominent mottles; weak coarse prismatic structure; very firm; 50.0 very fine moderate-continuity interstitial and tubular pores; 30 percent distinct grayish brown (2.5Y 5/2) slickensides (pedogenic) on vertical faces of peds and 35 percent distinct dark gray (5Y 4/1) clay films on faces of peds; 10 percent fine irregular iron-manganese masses; fragments; neutral, pH 7.0, chlorophenol red; clear smooth boundary. Lab sample # 92P03473. continuous - phpvsfiid 175650; continuous - phpvsfiid 191845; continuous - phpvsfiid 175650; continuous - phpvsfiid 191845
    2Btgb3—165 to 196 centimeters (65.0 to 77.2 inches); grayish brown (2.5Y 5/2) silty clay; 10 percent yellowish brown (10YR 5/6) fine prominent mottles; weak very coarse prismatic structure; very firm; 47.0 very fine moderate-continuity interstitial and tubular pores; 25 percent distinct dark gray (5Y 4/1) clay films on faces of peds and in pores and 30 percent distinct grayish brown (2.5Y 5/2) slickensides (pedogenic) on vertical faces of peds; 10 percent fine and medium irregular iron-manganese concretions; fragments; slightly acid, pH 6.4, chlorophenol red; clear smooth boundary. Lab sample # 92P03474. continuous - phpvsfiid 175651; continuous - phpvsfiid 175652; continuous - phpvsfiid 175651; continuous - phpvsfiid 175652
    2Btgb4—196 to 249 centimeters (77.2 to 98.0 inches); light olive gray (5Y 6/2) silty clay; 10 percent yellowish red (5YR 5/6) medium prominent and 15 percent strong brown (7.5YR 5/8) fine and medium prominent mottles; weak very coarse prismatic structure; very firm; 50.0 very fine moderate-continuity interstitial and tubular pores; 10 percent prominent very dark gray (10YR 3/1) clay films in root channels and/or pores and 20 percent distinct dark gray (5Y 4/1) clay films on vertical faces of peds and 30 percent distinct grayish brown (2.5Y 5/2) slickensides (pedogenic) on vertical faces of peds; 1 percent fine spherical iron-manganese concretions and 10 percent fine and medium irregular iron-manganese masses; fragments; slightly acid, pH 6.3, chlorophenol red; clear smooth boundary. Lab sample # 92P03475. continuous - phpvsfiid 175653; continuous - phpvsfiid 175654; continuous - phpvsfiid 175655; continuous - phpvsfiid 175653; continuous - phpvsfiid 175654; continuous - phpvsfiid 175655
    2Btgb5—249 to 279 centimeters (98.0 to 109.8 inches); light olive gray (5Y 6/2) silty clay; 15 percent strong brown (7.5YR 4/6) fine and medium prominent and 21 percent pale olive (5Y 6/3) fine and medium faint mottles; weak very coarse prismatic structure; very firm; 45.0 very fine low-continuity interstitial and tubular pores; 10 percent prominent very dark gray (10YR 3/1) clay films in root channels and/or pores and 51 percent distinct gray (5Y 5/1) clay films on vertical faces of peds; 1 percent fine irregular iron-manganese masses and 10 percent fine and medium irregular masses of oxidized iron; fragments; neutral, pH 7.2, chlorophenol red; clear smooth boundary. Lab sample # 92P03476. continuous - phpvsfiid 175656; continuous - phpvsfiid 175657; continuous - phpvsfiid 175656; continuous - phpvsfiid 175657
    3Cg—279 to 300 centimeters (109.8 to 118.1 inches); gray (10YR 6/1) sandy loam; 12 percent yellowish brown (10YR 5/6) fine and medium distinct mottles; granular structure; friable; 35.0 medium low-continuity interstitial and tubular pores; 10 percent fine and medium irregular iron-manganese concretions; fragments; slightly alkaline, pH 7.5, chlorophenol red. Lab sample # 92P03477