IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1995MO203026M
  • User Pedon ID: 1995MO203026M
  • User Site Association ID: 8562
  • Transect:
  • User Transect ID - shannon-x1
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9561326
  • NCSS Pedon Lab Data NASIS Record ID - 31883
  • Print Date: 12/17/2024

    • 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: 37.1377778
  • Std. Longitude: -91.0773278
  • 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-B1—Exchange, Missouri

    • PEDON

  • Describers Name: SV, JW, LT
  • Current Taxonomic Class: Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • 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 - Clarksville
  • PSC - 26 to 76 cm.
  • Classificaton Date - 3/28/2011
  • 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 - 26 to 76 cm.
  • Classificaton Date - 6/13/1995
  • 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: 35 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: residuum and/or slope alluvium
  • Landscape: hills
  • Landform: structural bench
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/13/1995 (actual site observation date)
  • Air Photo ID: 16
  • 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

    3—26

    26—166

    —-

    —-
    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

    8

    —

    —

    —

    —

    210

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.
    A—3 to 13 centimeters (1.2 to 5.1 inches); very dark grayish brown (10YR 3/2) very gravelly silt loam; strong fine granular structure; very friable; 2.0 medium roots and 2.0 fine roots and 2.0 coarse roots; 7.0 fine and medium interstitial pores; 35 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU054417
    E—13 to 26 centimeters (5.1 to 10.2 inches); pale brown (10YR 6/3) very gravelly silt loam; weak fine subangular blocky structure; friable; 2.0 medium roots and 2.0 fine roots and 2.0 coarse roots; 2.0 fine and medium interstitial and 0.9 fine tubular pores; 33 percent prominent very dark grayish brown (10YR 3/2), moist, organic stains on faces of peds and in pores; 35 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU054418
    Bt1—26 to 44 centimeters (10.2 to 17.3 inches); yellowish brown (10YR 5/6) very gravelly silt loam; weak fine subangular blocky structure; friable; 0.9 medium roots and 0.9 fine roots and 0.9 coarse roots; 2.0 fine interstitial and 0.9 fine tubular pores; 10 percent prominent strong brown (7.5YR 4/6), moist, clay films on rock fragments and 33 percent prominent pale brown (10YR 6/3), moist, silt coats on faces of peds and in pores; 40 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; gradual smooth boundary. Lab sample # MU054419
    Bt2—44 to 67 centimeters (17.3 to 26.4 inches); yellowish brown (10YR 5/6) very gravelly silty clay loam; moderate fine subangular blocky structure; firm; 0.9 medium roots and 0.9 fine roots; 2.0 fine vesicular and tubular pores; 33 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on rock fragments and 33 percent prominent pale brown (10YR 6/3), moist, silt coats throughout; 2 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 50 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU054420
    2Bt3—67 to 102 centimeters (26.4 to 40.2 inches); red (2.5YR 4/6) very gravelly clay; moderate fine subangular blocky, and angular blocky structure; very firm; 0.9 medium roots and 0.9 fine roots; 0.9 fine interstitial and 0.9 fine vesicular and tubular pores; 10 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds and 10 percent distinct brown (10YR 5/3), moist, silt coats on faces of peds and in pores and 33 percent distinct brown (7.5YR 4/4), moist, clay films on rock fragments; 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; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU054421
    2Bt4—102 to 148 centimeters (40.2 to 58.3 inches); red (2.5YR 4/8) extremely gravelly clay; moderate very fine subangular blocky structure; very firm; 0.9 medium roots and 0.9 fine roots; 0.9 fine interstitial and tubular pores; 33 percent prominent dark yellowish brown (10YR 4/4), moist, clay films on faces of peds; 10 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 50 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU054422
    2Bt5—148 to 166 centimeters (58.3 to 65.4 inches); 70 percent red (2.5YR 4/6) and 30 percent yellowish brown (10YR 5/6) gravelly clay; weak very fine and fine angular blocky structure; very firm; 0.9 fine roots; 0.9 fine interstitial and tubular pores; 33 percent distinct yellowish brown (10YR 5/6), moist, clay films on faces of peds and 33 percent distinct light brownish gray (10YR 6/2) clay films on vertical faces of peds; 15 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU054423