IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1999MO203052M
  • User Pedon ID: 1999MO203052M
  • Transect:
  • Transect Stop Number - 3
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9961352
  • NCSS Pedon Lab Data NASIS Record ID - 31520
  • Print Date: 5/29/2024

    • LOCATION

  • Map Unit: 99001—Water
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-B4—Alley Spring, Missouri

    • PEDON

  • Describers Name: JK, DMM, MC
  • Current Taxonomic Class: Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • 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 - Clarksville
  • PSC - 30 to 80 cm.
  • Classificaton Date - 3/8/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Noark
  • Taxonomic Class - Clayey-skeletal, mixed, semiactive, mesic Typic Paleudults
  • Taxon Kind - series
  • PSC - 30 to 80 cm.
  • Classificaton Date - 3/15/1999
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium derived from limestone and sandstone over residuum weathered from cherty limestone
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Runoff: very low
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: h chert
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/15/1999 (actual site observation date)
  • 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

    lithic contact

    0—10

    30—178

    178—

    —-

    —-

    —-
    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

    4

    —

    —

    320

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2) gravelly silt loam; moderate very fine subangular blocky structure; very friable; 3.0 very fine and fine roots and 7.0 medium roots; 3.0 very fine and fine vesicular pores; 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; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU063954
    E1—10 to 20 centimeters (3.9 to 7.9 inches); brown (10YR 5/3) gravelly silt loam; weak very fine subangular blocky structure; friable; 3.0 very fine roots and 7.0 fine and medium roots and 0.9 coarse roots; 3.0 very fine tubular pores; 15 percent faint dark grayish brown (10YR 4/2), moist, organic stains in root channels and/or pores; 20 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU063955
    E2—20 to 30 centimeters (7.9 to 11.8 inches); pale brown (10YR 6/3) very gravelly silt loam; weak fine subangular blocky structure; friable; 0.9 very fine roots and 0.9 medium roots and 3.0 fine roots; 3.0 very fine tubular pores; 10 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; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU063956
    2Bt1—30 to 53 centimeters (11.8 to 20.9 inches); yellowish red (5YR 5/6) extremely gravelly silt loam; weak very fine subangular blocky structure; friable; 0.9 very fine roots and 0.9 medium and coarse roots and 3.0 fine roots; 3.0 very fine tubular pores; 15 percent faint reddish brown (5YR 5/4), moist, clay films on faces of peds and 35 percent prominent pale brown (10YR 6/3), moist, silt coats on faces of peds; 20 percent by volume 75-162-250 millimeter limestone-sandstone fragments and 40 percent by volume 2-39-75 millimeter limestone-sandstone fragments; strongly acid, pH 5.4, hellige-truog; clear wavy boundary. Lab sample # MU063957
    2Bt2—53 to 66 centimeters (20.9 to 26.0 inches); red (2.5YR 4/6) extremely gravelly clay loam; weak fine subangular blocky structure; firm; 0.9 very fine roots and 0.9 medium roots and 3.0 fine roots; 0.9 very fine tubular pores; 35 percent prominent reddish brown (5YR 5/4), moist, clay films on rock fragments; 10 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 60 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU063958
    2Bt3—66 to 76 centimeters (26.0 to 29.9 inches); red (2.5YR 4/6) extremely gravelly clay loam; weak very fine subangular blocky structure; friable; 0.9 fine and medium roots; 0.9 very fine and fine vesicular pores; 15 percent faint red (2.5YR 4/6), moist, clay films on faces of peds; 10 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 80 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # MU063959
    2Bt4—76 to 91 centimeters (29.9 to 35.8 inches); 70 percent brownish yellow (10YR 6/6) and 30 percent red (2.5YR 5/8) extremely gravelly clay; weak very fine angular blocky structure; firm; 0.9 fine roots; 3.0 very fine and fine tubular pores; 35 percent prominent reddish brown (5YR 5/4), moist, clay films on faces of peds; 20 percent by volume 2-39-75 millimeter limestone-sandstone fragments and 50 percent by volume 75-162-250 millimeter limestone-sandstone fragments; strongly acid, pH 5.2, hellige-truog; gradual smooth boundary. Lab sample # MU063960
    2Bt5—91 to 114 centimeters (35.8 to 44.9 inches); 60 percent brownish yellow (10YR 6/6) and 40 percent red (2.5YR 4/8) very gravelly clay; moderate very fine angular blocky structure; firm; 0.9 fine and medium roots; 3.0 very fine and fine tubular pores; 15 percent prominent red (2.5YR 4/6), moist, clay films on faces of peds; 40 percent by volume 2-39-75 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.9, hellige-truog; gradual smooth boundary. Lab sample # MU063961
    2Bt6—114 to 132 centimeters (44.9 to 52.0 inches); 70 percent dark yellowish brown (10YR 4/6) and 10 percent light greenish gray (5BG 7/1) and 10 percent light bluish gray (5B 7/1) and 10 percent strong brown (7.5YR 5/8) gravelly sandy clay loam; moderate very fine angular blocky structure; firm; 0.9 fine roots; 3.0 very fine and fine vesicular pores; 15 percent prominent reddish brown (5YR 5/4), moist, clay films on faces of peds and 15 percent prominent brown (7.5YR 5/4), moist, clay films on faces of peds; 10 percent by volume 2-39-75 millimeter limestone-sandstone fragments and 10 percent by volume 75-162-250 millimeter limestone-sandstone fragments; strongly acid, pH 5.1, hellige-truog; gradual smooth boundary. Lab sample # MU063962
    2Bt7—132 to 178 centimeters (52.0 to 70.1 inches); 70 percent red (10R 4/6) and 20 percent strong brown (7.5YR 5/8) and 10 percent light gray (10YR 7/1) extremely gravelly sandy clay loam; moderate very fine angular blocky structure; firm; 0.9 fine roots; 3.0 very fine and fine vesicular pores; 15 percent prominent reddish brown (5YR 5/4), moist, clay films on faces of peds and 15 percent prominent brown (7.5YR 5/4), moist, clay films on rock fragments; 10 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments and 70 percent by volume 75-162-250 millimeter sandstone, unspecified fragments; clear smooth boundary. Lab sample # MU063963