IDENTIFIERS

  • Current Taxon Name (Soil Name): Courtois
  • OSD
  • Series Extent
  • User Site ID: 1997MO203027M
  • User Pedon ID: 1997MO203027M
  • User Site Association ID: 8633
  • Transect:
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9761327
  • NCSS Pedon Lab Data NASIS Record ID - 31674
  • 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: 37.1271167
  • Std. Longitude: -91.2355472
  • Datum: WGS84
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-B2—Powder Mill Ferry, Missouri

    • PEDON

  • Describers Name: BM,MS,SB,LT
  • Current Taxonomic Class: Fine, mixed, active, mesic Typic Paleudalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Courtois
  • PSC - 38 to 88 cm.
  • Classificaton Date - 1/31/2012
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Courtois
  • Taxonomic Class - Fine, mixed, active, mesic Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 38 to 88 cm.
  • Classificaton Date - 5/12/1997
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 50 percent of Percent clay in the control section and 12 Percent rock fragments in the control section (vol)


    • SITE

  • Parent Material: slope alluvium over residuum
  • Landscape: hills
  • Landform: basin-floor remnant
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Shape Across: concave
  • Slope Shape Down: convex
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/12/1997 (actual site observation date)
  • Air Photo ID: 9
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    —

    163 -

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    lithic contact

    0—38

    38—163

    163—

    —-

    —-

    —-
    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

    —

    —

    277

    —

    190

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 25 centimeters (0.0 to 9.8 inches); dark grayish brown (10YR 4/2) broken face very gravelly loam; weak fine granular structure; very friable; 7.0 fine to coarse roots; 7.0 fine interstitial and tubular pores; 40 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU059411
    E—25 to 38 centimeters (9.8 to 15.0 inches); pale brown (10YR 6/3) broken face gravelly fine sandy loam; weak fine subangular blocky structure; friable; 7.0 fine to coarse roots; 7.0 fine to coarse tubular pores; 15 percent distinct dark grayish brown (10YR 4/2) organic stains on faces of peds and 35 percent distinct reddish yellow (7.5YR 6/8) clay films on faces of peds; 30 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.5, hellige-truog; clear wavy boundary. Lab sample # MU059412
    Bt1—38 to 61 centimeters (15.0 to 24.0 inches); strong brown (7.5YR 5/6) broken face gravelly loam; weak fine subangular blocky structure; friable; 0.9 medium and coarse roots and 3.0 fine roots; 7.0 fine to coarse tubular pores; 15 percent distinct pinkish gray (7.5YR 6/2) silt coats on faces of peds and 35 percent distinct strong brown (7.5YR 5/8) clay films on faces of peds; 15 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # MU059413
    2Bt2—61 to 94 centimeters (24.0 to 37.0 inches); strong brown (7.5YR 5/6) broken face extremely gravelly clay; moderate fine subangular blocky structure; very firm; 0.9 medium roots and 3.0 fine roots; 7.0 fine tubular pores; 35 percent distinct yellowish red (5YR 5/6) clay films on faces of peds and 35 percent distinct red (2.5YR 5/6) clay films on faces of peds; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; gradual wavy boundary. Lab sample # MU059414
    2Bt3—94 to 119 centimeters (37.0 to 46.9 inches); 20 percent dark yellowish brown (10YR 4/6) broken face and 80 percent yellowish red (5YR 5/6) broken face clay; weak medium subangular blocky structure; firm; 0.9 medium roots and 3.0 fine roots; 3.0 fine tubular pores; 15 percent distinct light brown (7.5YR 6/4) clay films in root channels and/or pores and 35 percent distinct red (2.5YR 4/8) clay films on faces of peds; 35 percent fine black (N 2/0) iron-manganese concretions between peds; fragments; strongly acid, pH 5.4, hellige-truog; clear wavy boundary. Lab sample # MU059415
    2Bt4—119 to 150 centimeters (46.9 to 59.1 inches); red (2.5YR 5/6) broken face clay; weak medium subangular blocky structure; very firm; 0.9 fine roots; 3.0 fine tubular pores; 35 percent distinct yellowish red (5YR 5/6) clay films on faces of peds; 15 percent fine black (N 2/0) iron-manganese concretions between peds; fragments; slightly alkaline, pH 7.5, hellige-truog; clear smooth boundary. Lab sample # MU059416
    2Bt5—150 to 163 centimeters (59.1 to 64.2 inches); 80 percent yellowish red (5YR 5/8) broken face and 20 percent reddish yellow (7.5YR 6/8) broken face sandy clay loam; moderate fine subangular blocky structure; friable; 0.9 fine roots; 7.0 fine tubular pores; 35 percent distinct red (2.5YR 4/6) clay films on faces of peds; 15 percent fine black (N 2/0) iron-manganese concretions between peds; fragments; moderately alkaline, pH 8.0, hellige-truog; abrupt smooth boundary. Lab sample # MU059417
    2R—163 centimeters (64.2 inches); bedrock; fragments.