IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1999MO203012M
  • User Pedon ID: 1999MO203012M
  • User Site Association ID: 8604
  • Transect:
  • User Transect ID - shannon-68F4
  • Transect Stop Number - 5
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9961312
  • NCSS Pedon Lab Data NASIS Record ID - 26911
  • User Project ID: 2021-25NCSPR013
  • Project Name: MLRA 116A - Mark Twain National Forest Update
  • Print Date: 11/24/2024

    • 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: 36.9136389
  • Std. Longitude: -91.5193194
  • 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: 36091-H5—Montier, Missouri

    • PEDON

  • Describers Name: MS,BM,SE,RlT
  • Current Taxonomic Class: Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Clarksville
  • PSC - 25 to 75 cm.
  • Classificaton Date - 12/10/2010
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Clarksville
  • Taxonomic Class - Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Taxon Kind - series
  • PSC - 25 to 75 cm.
  • Classificaton Date - 2/4/1999
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: not certified
  • QC Status: level 3
  • Field Measured Properties: 18 percent of Percent clay in the control section and 41 Percent rock fragments in the control section (vol)


    • SITE

  • Parent Material: slope alluvium derived from sandstone
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: nose slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/4/1999 (actual site observation date)
  • Air Photo ID: 24
  • Surface Cover Properties:
  • 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—25

    25—193

    —-

    —-
    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

    26

    —

    —

    259

    —

    204

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 13 centimeters (0.0 to 5.1 inches); 20 percent dark grayish brown (10YR 4/2) and 80 percent very dark grayish brown (10YR 3/2) very gravelly silt loam; weak fine granular structure; very friable; 7.0 fine to coarse roots; 7.0 coarse interstitial and tubular pores; 5 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 45 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU012835
    E—13 to 25 centimeters (5.1 to 9.8 inches); yellowish brown (10YR 5/4) very gravelly silt loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots and 3.0 coarse roots; 7.0 fine tubular pores; 15 percent distinct dark grayish brown (10YR 4/2) organic stains on faces of peds; 45 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU012836
    Bt1—25 to 58 centimeters (9.8 to 22.8 inches); yellowish brown (10YR 5/6) very gravelly silt loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots and 0.9 coarse roots; 3.0 fine tubular and 7.0 fine vesicular pores; 20 percent distinct yellowish brown (10YR 5/4) silt coats on faces of peds; 2 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 45 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU012837
    Bt2—58 to 76 centimeters (22.8 to 29.9 inches); strong brown (7.5YR 5/6) very gravelly loam; weak fine subangular blocky structure; friable; 0.9 fine and medium roots; 3.0 fine tubular and 7.0 fine vesicular pores; 15 percent distinct light brown (7.5YR 6/4) silt coats on faces of peds and 25 percent distinct red (2.5YR 4/6) clay films on concretions; 3 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 40 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU012838
    Bt3—76 to 122 centimeters (29.9 to 48.0 inches); yellowish red (5YR 5/6) gravelly clay loam; weak fine subangular blocky structure; friable; 0.9 fine roots; 7.0 fine vesicular pores; 2 percent distinct red (2.5YR 4/6) clay films on faces of peds and 5 percent distinct light brownish gray (10YR 6/2) silt coats on faces of peds and 15 percent distinct strong brown (7.5YR 4/6) clay films on faces of peds; 30 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU012839
    Bt4—122 to 193 centimeters (48.0 to 76.0 inches); yellowish red (5YR 5/8) very gravelly clay loam; weak fine subangular blocky structure; friable; 0.9 fine and medium roots; 7.0 fine vesicular pores; 5 percent distinct strong brown (7.5YR 5/6) clay films on faces of peds and 5 percent distinct light brownish gray (10YR 6/2) silt coats on faces of peds and 15 percent distinct red (2.5YR 4/6) clay films on faces of peds; 10 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments and 35 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog. Lab sample # MU012840