IDENTIFIERS

  • Current Taxon Name (Soil Name): Darmstadt
  • OSD
  • Series Extent
  • User Site ID: S1990IL025047
  • User Pedon ID: 90IL025047
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 90P0806
  • NCSS Pedon Lab Data NASIS Record ID - 62739
  • Print Date: 4/29/2025
  • 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: 38.7050018
  • Std. Longitude: -88.4316635
  • Datum: WGS84
  • Township: 3N
  • Range: 7E
  • Section: 16
  • PLSS Details: Approximately 950 feet S and 660 feet W of the center
  • Location Description: N. Stanford Twp.
  • State: Illinois
  • County: IL025—Clay
  • MLRA: 113—Central Claypan Areas
  • PEDON

  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Aquic Natrudalfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 47
  • Correlated Information:
  • Soil Name - Darmstadt
  • Classificaton Date - 6/15/2007
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Darmstadt
  • Taxonomic Class - Fine-silty, mixed, mesic Albic Natraqualf
  • Taxon Kind - series
  • Classificaton Date - 7/1/1990
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Geomorphic Component Hills: interfluve
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1990 (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

    Ap—0 to 20 centimeters (0.0 to 7.9 inches); dark grayish brown (10YR 4/2), pale brown (10YR 6/3), dry; silt loam; moderate very fine granular structure; friable; 2.5 very fine and fine roots; 11 percent spherical plinthite nodules; fragments; neutral, pH 7.0, hellige-truog; abrupt boundary. Lab sample # 90P04767. common plinthite segregations concentrations; common very fine and fine roots
    E—20 to 28 centimeters (7.9 to 11.0 inches); grayish brown (10YR 5/2) silt loam; 1 percent dark yellowish brown (10YR 4/6) fine distinct mottles; weak medium platy structure; friable; 2.5 very fine and fine roots; 11 percent spherical plinthite nodules; fragments; neutral, pH 7.0, hellige-truog; abrupt boundary. Lab sample # 90P04768. common plinthite segregations concentrations; common very fine and fine roots; few fine distinct 10YR46 mottles
    Bt1—28 to 38 centimeters (11.0 to 15.0 inches); brown (10YR 4/3) silty clay loam; 11 percent dark yellowish brown (10YR 4/6) fine distinct mottles; moderate fine and medium prismatic, and moderate fine and medium angular blocky structure; very firm; 2.5 very fine and fine roots; 37 percent distinct very dark grayish brown (10YR 3/2), moist, coats on faces of peds and 37 percent distinct dark gray (10YR 4/1), moist, clay films on faces of peds; 11 percent spherical plinthite nodules; fragments; neutral, pH 7.2, hellige-truog; clear boundary. Lab sample # 90P04769. common plinthite segregations concentrations; common coats surface features on faces of peds; common clay films surface features on faces of peds; common very fine and fine roots; common fine distinct 10YR46 mottles
    Bt2—38 to 51 centimeters (15.0 to 20.1 inches); brown (10YR 5/3) silty clay loam; 11 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate medium prismatic, and moderate medium and coarse angular blocky structure; very firm; 0.5 very fine roots; 37 percent distinct light gray (10YR 7/2), moist, coats on faces of peds and 55 percent distinct dark gray (10YR 4/1), moist, clay films on faces of peds; 11 percent spherical plinthite nodules; fragments; slightly alkaline, pH 7.6, hellige-truog; clear boundary. Lab sample # 90P04770. common plinthite segregations concentrations; common coats surface features on faces of peds; many clay films surface features on faces of peds; few very fine roots; common fine distinct 10YR56 mottles
    Btg1—51 to 64 centimeters (20.1 to 25.2 inches); light brownish gray (10YR 6/2) silty clay loam; 11 percent yellowish brown (10YR 5/6) medium distinct mottles; weak medium prismatic, and weak coarse angular blocky structure; firm; 0.5 very fine roots; 37 percent distinct dark gray (10YR 4/1), moist, clay films on faces of peds and 37 percent distinct grayish brown (10YR 5/2), moist, clay films on faces of peds; 11 percent spherical plinthite nodules; fragments; moderately alkaline, pH 8.0, hellige-truog; clear boundary. Lab sample # 90P04771. common plinthite segregations concentrations; common clay films surface features on faces of peds; common clay films surface features on faces of peds; few very fine roots; common medium distinct 10YR56 mottles
    Btg2—64 to 86 centimeters (25.2 to 33.9 inches); light brownish gray (10YR 6/2) silty clay loam; 11 percent yellowish brown (10YR 5/6) medium distinct mottles; weak medium and coarse prismatic, and weak coarse angular blocky structure; firm; 0.5 very fine roots; 15 percent distinct gray (10YR 5/1), moist, clay films on faces of peds; 11 percent spherical calcite crystals; fragments; slight effervescence; moderately alkaline, pH 8.2, hellige-truog; abrupt boundary. Lab sample # 90P04772. common calcite crystals concentrations; few clay films surface features on faces of peds; few very fine roots; common medium distinct 10YR56 mottles
    Btg3—86 to 124 centimeters (33.9 to 48.8 inches); grayish brown (10YR 5/2) silty clay loam; 11 percent strong brown (7.5YR 4/6) medium prominent mottles; moderate medium and coarse prismatic, and moderate medium and coarse angular blocky structure; firm; 0.5 very fine roots; 37 percent distinct dark gray (10YR 4/1), moist, clay films on faces of peds; 11 percent irregular lime masses; fragments; slightly alkaline, pH 7.8, hellige-truog; clear boundary. Lab sample # 90P04773. common soft masses of lime concentrations; common clay films surface features on faces of peds; few very fine roots; common medium prominent 7.5YR46 mottles
    2Btg4—124 to 175 centimeters (48.8 to 68.9 inches); light brownish gray (2.5Y 6/2) clay loam; 11 percent strong brown (7.5YR 4/6) medium prominent mottles; weak medium and coarse prismatic, and moderate coarse angular blocky structure; firm; 0.5 very fine roots; 15 percent distinct gray (10YR 5/1), moist, clay films on faces of peds; 11 percent irregular lime masses; fragments; slightly alkaline, pH 7.6, hellige-truog. Lab sample # 90P04774. common soft masses of lime concentrations; few clay films surface features on faces of peds; few very fine roots; common medium prominent 7.5YR46 mottles
    2Btgb—175 to 213 centimeters (68.9 to 83.9 inches); light brownish gray (2.5Y 6/2) clay loam; 11 percent yellowish brown (10YR 5/6) medium prominent and 11 percent strong brown (7.5YR 4/6) medium prominent mottles; moderate medium and coarse prismatic, and moderate medium and coarse angular blocky structure; firm; 37 percent distinct gray (10YR 5/1), moist, clay films on faces of peds; 11 percent irregular lime masses; fragments; slightly alkaline, pH 7.4, hellige-truog. Lab sample # 90P04775. common soft masses of lime concentrations; common clay films surface features on faces of peds; common medium prominent 10YR56 mottles; common medium prominent 7.5YR46 mottles