IDENTIFIERS

  • Current Taxon Name (Soil Name): Courtois
  • OSD
  • Series Extent
  • User Site ID: 1993MO203018M
  • User Pedon ID: 1993MO203018M
  • Transect:
  • Transect Stop Number - 2
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9361318
  • NCSS Pedon Lab Data NASIS Record ID - 45427
  • 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: 37.1261083
  • Std. Longitude: -91.3334694
  • Datum: WGS84
  • Township: T28N
  • Range: R4W
  • Section: 1
  • PLSS Details: 2425 feet S and 2000 feet W of the NE corner
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-B3—Eminence, Missouri

    • PEDON

  • Describers Name: JDC, SV, JW, RLT
  • Current Taxonomic Class: Fine, mixed, semiactive, 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 - 23 to 73 cm.
  • Classificaton Date - 7/24/2012
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Courtois
  • Taxonomic Class - Fine, mixed, active, mesic Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 23 to 73 cm.
  • Classificaton Date - 9/7/1993
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3
  • Field Measured Properties: 33 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: residuum
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: upper third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/7/1993 (actual site observation date)
  • Air Photo ID: 14
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—23

    23—203

    —-

    —-
    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

    13

    —

    —

    244

    —

    165

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); dark brown (10YR 3/3) gravelly silty clay; moderate fine granular structure; friable; 3.0 fine roots; 7.0 fine tubular pores; 30 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary.
    Bt1—23 to 38 centimeters (9.1 to 15.0 inches); yellowish red (5YR 4/6) gravelly silty clay; weak fine subangular blocky structure; firm; 0.9 fine roots; 0.9 fine tubular pores; 10 percent distinct yellowish red (5YR 4/6), moist, clay films on faces of peds and 50 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains on faces of peds; 15 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; abrupt smooth boundary. Lab sample # MU064415
    Bt2—38 to 58 centimeters (15.0 to 22.8 inches); 50 percent reddish brown (2.5YR 4/4) and 50 percent red (2.5YR 4/6) gravelly silty clay; moderate fine subangular blocky structure; firm; 0.9 fine roots; 3.0 fine tubular pores; 30 percent distinct reddish brown (2.5YR 4/4), moist, clay films on faces of peds; 15 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; slightly acid, pH 6.2, hellige-truog; clear wavy boundary. Lab sample # MU064415
    Bt3—58 to 89 centimeters (22.8 to 35.0 inches); 60 percent dark red (2.5YR 3/6) and 40 percent red (2.5YR 4/8) gravelly silty clay; moderate fine subangular blocky structure; firm; 0.9 very fine and fine roots; 3.0 fine tubular pores; 30 percent distinct red (2.5YR 4/8), moist, clay films on faces of peds; 5 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 25 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU064415
    Bt4—89 to 140 centimeters (35.0 to 55.1 inches); dark red (2.5YR 3/6) gravelly clay; moderate medium prismatic parts to strong fine angular blocky structure; very firm; 0.9 fine tubular and 3.0 fine vesicular pores; 10 percent distinct dark red (2.5YR 3/6), moist, nonintersecting slickensides on faces of peds and 30 percent prominent dark red (2.5YR 3/6), moist, clay films on faces of peds; 10 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments and 10 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments; gradual smooth boundary. Lab sample # MU064414
    Bt5—140 to 203 centimeters (55.1 to 79.9 inches); dark red (2.5YR 3/6) clay; strong coarse angular blocky parts to strong fine angular blocky structure; very firm; 0.9 fine tubular pores; 10 percent distinct dark red (2.5YR 3/6), moist, nonintersecting slickensides on faces of peds; 5 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # MU064414