IDENTIFIERS

  • Current Taxon Name (Soil Name): Courtois
  • OSD
  • Series Extent
  • User Site ID: 1991MO123003M
  • User Pedon ID: 1991MO123003M
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9112303
  • NCSS Pedon Lab Data NASIS Record ID - 31402
  • Print Date: 11/21/2024

    • 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: 37.5389175
  • Std. Longitude: -90.3033066
  • Datum: WGS84
  • Township: T33N
  • Range: R7E
  • Section: 20
  • PLSS Details: 4500 feet N and 5500 feet W of the SE corner
  • Location Description: 4500 ft N and 5500 ft W of SE corner of sec. 20, T. 33 N., R. 7 E.
  • Map Unit: 32D—Caneyville silt loam, 9 to 14 percent slopes73150—Caneyville-Bucklick complex, 8 to 15 percent slopes, rocky
  • State: Missouri
  • County: MO123—Madison
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO123—Madison County, Missouri
  • 7.5 Minute USGS Quad: 37090-E3—Fredericktown, Missouri

    • PEDON

  • Describers Name: MLC, CGM and RDC
  • Current Taxonomic Class: Fine, mixed, active, mesic Typic Paleudalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Courtois
  • PSC - 3 to 53 cm.
  • Classificaton Date - 3/4/2011
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Courtois
  • Taxonomic Class - Fine, mixed, active, mesic Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 3 to 53 cm.
  • Classificaton Date - 5/22/1991
  • Dynamic Soil Properties:
  • Erosion Class - 3
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 43 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: residuum
  • Landscape: basin
  • Landform: structural bench
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/22/1991 (actual site observation date)
  • Air Photo ID: C-4
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous 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—3

    3—152

    —-

    —-
    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

    9

    —

    —

    235

    —

    80

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 3 centimeters (0.0 to 1.2 inches); dark brown (10YR 3/3), brown (10YR 4/3), dry; silty clay loam; moderate very fine granular structure; friable; 10.0 very fine and fine roots; fragments; slightly acid, pH 6.1, hellige-truog; abrupt wavy boundary. Lab sample # MU041874. Some mixing from below horizon.
    Bt1—3 to 10 centimeters (1.2 to 3.9 inches); dark red (2.5YR 3/6) silty clay loam; moderate very fine and fine subangular blocky structure; firm; 3.0 very fine and fine roots; 75 percent faint clay films; fragments; strongly acid, pH 5.5, hellige-truog; clear wavy boundary. Lab sample # MU041875
    Bt2—10 to 43 centimeters (3.9 to 16.9 inches); dark red (2.5YR 3/6) silty clay; moderate very fine and fine subangular blocky structure; firm; 3.0 very fine and fine roots; 15 percent manganese or iron-manganese stains and 75 percent prominent clay films; 1 percent by volume rounded 2-39-75 millimeter unspecified fragments; moderately acid, pH 5.7, hellige-truog; clear wavy boundary. Lab sample # MU041876. discontinuous - phpvsfiid 162106; discontinuous - phpvsfiid 162106
    Bt3—43 to 74 centimeters (16.9 to 29.1 inches); dark red (2.5YR 3/6) silty clay; moderate very fine and fine subangular blocky structure; friable; 3.0 very fine and fine roots; 15 percent manganese or iron-manganese stains and 75 percent prominent clay films; fragments; moderately acid, pH 5.8, hellige-truog; clear wavy boundary. Lab sample # MU041877. continuous - phpvsfiid 162108; continuous - phpvsfiid 162108
    2Bt4—74 to 117 centimeters (29.1 to 46.1 inches); dark red (2.5YR 3/6) gravelly clay; moderate very fine subangular blocky structure; friable; 0.5 very fine and fine roots; 35 percent manganese or iron-manganese stains and 75 percent prominent clay films; 3 percent by volume 75-162-250 millimeter unspecified fragments and 30 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.1, hellige-truog; clear wavy boundary. Lab sample # MU041878
    2Bt5—117 to 152 centimeters (46.1 to 59.8 inches); dark red (2.5YR 3/6) clay; 1 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate very fine and fine subangular blocky structure; friable; 0.5 very fine roots; 35 percent manganese or iron-manganese stains and 75 percent prominent clay films; 10 percent iron-manganese masses; 1 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.3, hellige-truog. Lab sample # MU041879