IDENTIFIERS

  • Current Taxon Name (Soil Name): Trappist
  • OSD
  • Series Extent
  • User Site ID: S1990KY137012
  • User Pedon ID: 1990KY137012
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 90P0661
  • NCSS Pedon Lab Data NASIS Record ID - 62594
  • Print Date: 1/30/2025
  • 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: 37.4838905
  • Std. Longitude: -84.6388855
  • Datum: WGS84
  • Location Description: 3.6 miles south of Stanford. 1150 feet east of US 27; 800 feet north of Fairgrounds road
  • State: Kentucky
  • County: KY137—Lincoln
  • MLRA: 121—Kentucky Bluegrass
  • PEDON

  • Describers Name: W. Craddock, J. Fehr, M. Davis
  • Current Taxonomic Class: Clayey, mixed Typic Hapludults
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 12
  • Sampled As Information:
  • Soil Name - Trappist
  • Taxonomic Class - Clayey, mixed Typic Hapludults
  • Taxon Kind - series
  • PSC - 30 to 81 cm.
  • Classificaton Date - 5/1/1990
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Geomorphic Component Hills: interfluve
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Flooding: frequent flooding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/1/1990 (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 Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—23

    30—86

    —-

    —-

    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

    7

    30

    135

    127

    Ap—0 to 23 centimeters (0.0 to 9.1 inches); dark brown (10YR 3/3) channery silt loam; weak fine granular structure; friable; 2.5 fine roots throughout; 25 percent by volume unspecified fragments; neutral, pH 6.8, hellige-truog; clear smooth boundary. Lab sample # 90P03921. most rock fragments are siliceous geodes; common fine roots throughout
    BE—23 to 30 centimeters (9.1 to 11.8 inches); brown (10YR 4/3) channery silt loam; weak medium subangular blocky structure; friable; 2.5 fine roots throughout; 20 percent by volume unspecified fragments; moderately acid, pH 5.8, hellige-truog; clear wavy boundary. Lab sample # 90P03922. rock fragments are Black Shale; common fine roots throughout
    Bt1—30 to 51 centimeters (11.8 to 20.1 inches); strong brown (7.5YR 4/6) silty clay; moderate medium angular blocky, and moderate medium subangular blocky structure; firm; 0.5 fine roots throughout; 55 percent distinct , moist, clay films on faces of peds and in pores; 5 percent by volume 2-76-150 millimeter unspecified fragments; strongly acid, pH 5.3, hellige-truog; clear wavy boundary. Lab sample # 90P03923. rock fragments are Black Shale; many clay films surface features on faces of peds and in pores; few fine roots throughout; discontinuous - phpvsfiid 1169986; discontinuous - phpvsfiid 1169986
    Bt2—51 to 69 centimeters (20.1 to 27.2 inches); strong brown (7.5YR 4/6) silty clay; 1 percent pale brown (10YR 6/3) fine distinct mottles; moderate medium subangular blocky structure; firm; 0.5 fine roots throughout; 55 percent distinct , moist, clay films on faces of peds and in pores; 5 percent by volume 2-76-150 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # 90P03924. rock fragments are Black Shale; many clay films surface features on faces of peds and in pores; few fine roots throughout; few fine distinct 10YR63 mottles; discontinuous - phpvsfiid 1169987; discontinuous - phpvsfiid 1169987
    Bt3—69 to 86 centimeters (27.2 to 33.9 inches); brown (7.5YR 4/4) silty clay; moderate medium subangular blocky structure; firm; 0.5 fine roots throughout; 37 percent distinct , moist, clay films on faces of peds and in pores; 10 percent by volume 2-76-150 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # 90P03925. rock fragments are Black Shale; common clay films surface features on faces of peds and in pores; few fine roots throughout; discontinuous - phpvsfiid 1169988; discontinuous - phpvsfiid 1169988
    2BC—86 to 99 centimeters (33.9 to 39.0 inches); dark yellowish brown (10YR 4/6) channery silty clay; 11 percent strong brown (7.5YR 4/6) medium distinct and 11 percent dark yellowish brown (10YR 3/6) medium faint mottles; weak medium subangular blocky structure; firm; 18 percent by volume 2-76-150 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; gradual wavy boundary. Lab sample # 90P03926. rock fragments are Black Shale; common medium distinct 7.5YR46 mottles; common medium faint 10YR36 mottles
    2R—99 centimeters (39.0 inches); black (N 2/0) unweathered bedrock; fragments. Lab sample # 90P03927. (unweathered bedrock) Black Shale. Some of the upper 2 or 3 inches of R are partially weathered in pockets