IDENTIFIERS

  • Current Taxon Name (Soil Name): Orthents
  • OSD
  • Series Extent
  • User Site ID: 1992IL031029
  • User Pedon ID: 92IL031029a
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 93P0047
  • Print Date: 2/16/2025

    • 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: 41.8786252
  • Std. Longitude: -87.6194607
  • Datum: WGS84
  • Location Description: Grant Park Soils Study, Chicago, Illinois. Site #5 South Band Shell, high traffic area with trees.
  • State: Illinois
  • County: IL031—Cook
  • MLRA: 110—Northern Illinois and Indiana Heavy Till Plain
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-AUR—Aurora, Illinois
  • Non-MLRA Soil Survey Area: IL031—Cook County, Illinois

    • PEDON

  • Describers Name: Jeff Deniger, Eric Engel, and Mark Bramstedt
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, calcareous, mesic Typic Udorthents
  • Current Taxon Kind: taxon above family
  • Pedon Purpose: research site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 29
  • Correlated Information:
  • Soil Name - Orthents
  • PSC - 25 to 100 cm.
  • Classificaton Date - 5/13/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - SND
  • Classificaton Date - 9/17/1992
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: human-transported material
  • Runoff: low
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/17/1992 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

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    179

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    A1—0 to 11 centimeters (0.0 to 4.3 inches); black (10YR 2/1) silt loam; moderate medium granular structure; friable; 3.0 very fine roots throughout; fragments; very slight effervescence, by hcl, 1n; slightly alkaline, pH 7.6, hellige-truog; clear smooth boundary. Lab sample # 93P00377
    A2—11 to 23 centimeters (4.3 to 9.1 inches); 95 percent black (10YR 2/1) and 3 percent brown (10YR 5/3) and 2 percent grayish brown (10YR 5/2) silt loam; moderate fine subangular blocky parts to moderate medium granular structure; friable; 0.5 very fine and fine roots throughout; 1 percent irregular iron concretions; fragments; very slight effervescence, by hcl, 1n; slightly alkaline, pH 7.6, hellige-truog; clear smooth boundary. Lab sample # 93P00378
    C1—23 to 36 centimeters (9.1 to 14.2 inches); 60 percent dark brown (10YR 3/3) and 37 percent black (10YR 2/1) and 3 percent dark grayish brown (2.5Y 4/2) gravelly fine sandy loam, silty clay; moderate fine and medium subangular blocky structure; firm; 0.5 very fine to medium roots throughout; 3 percent irregular masses of oxidized iron; 18 percent by volume subrounded 2-39-75 millimeter unspecified fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary. Lab sample # 93P00379
    C2—36 to 53 centimeters (14.2 to 20.9 inches); 70 percent very dark gray (10YR 3/1) and 25 percent very dark grayish brown (10YR 3/2) and 5 percent black (10YR 2/1) very gravelly loamy sand; single grain; very friable; 0.5 very fine roots throughout; 3 percent irregular iron concretions; 50 percent by volume subrounded 2-39-75 millimeter unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 93P00380
    C3—53 to 75 centimeters (20.9 to 29.5 inches); 90 percent very dark grayish brown (10YR 3/2) and 5 percent yellowish brown (10YR 5/6) and 5 percent black (10YR 2/1) loamy fine sand; massive; very friable; 0.5 very fine roots throughout; 1 percent irregular masses of oxidized iron; 3 percent by volume subrounded 2-39-75 millimeter unspecified fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; clear irregular boundary. Lab sample # 93P00381
    C4—75 to 100 centimeters (29.5 to 39.4 inches); 80 percent very dark grayish brown (10YR 3/2) and 15 percent black (10YR 2/1) and 5 percent yellowish brown (10YR 5/6) loamy fine sand; massive; very friable; 0.5 very fine and fine roots throughout; 3 percent irregular masses of oxidized iron; 3 percent by volume subrounded 2-39-75 millimeter unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; gradual irregular boundary. Lab sample # 93P00382
    C5—100 to 127 centimeters (39.4 to 50.0 inches); 70 percent very dark grayish brown (10YR 3/2) and 20 percent grayish brown (2.5Y 5/2) and 10 percent brownish yellow (10YR 6/8) loamy fine sand, silty clay; massive; very friable; 0.5 very fine and fine roots in cracks; 1 percent irregular masses of oxidized iron; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; gradual irregular boundary. Lab sample # 93P00383
    C6—127 to 152 centimeters (50.0 to 59.8 inches); 80 percent dark grayish brown (2.5Y 4/2) and 15 percent dark grayish brown (2.5Y 4/2) and 5 percent light olive brown (2.5Y 5/3) silty clay, loamy fine sand; massive; firm; 0.5 fine and medium roots in cracks; 1 percent irregular masses of oxidized iron; 1 percent by volume subrounded 75-162-250 millimeter unspecified fragments and 5 percent by volume subrounded 2-39-75 millimeter unspecified fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 93P00384