IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1995MO203067M
  • User Pedon ID: 1995MO203067M
  • User Site Association ID: 8597
  • Transect:
  • User Transect ID - shannon-63C3
  • Transect Stop Number - 9
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9561367
  • NCSS Pedon Lab Data NASIS Record ID - 31785
  • Print Date: 5/15/2024

    • 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: 37.1439222
  • Std. Longitude: -91.0897528
  • 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: SAV, DMM, JW, RLT
  • 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 - 23 to 73 cm.
  • Classificaton Date - 3/28/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxonomic Class - Loamy-skeletal over clayey, siliceous, semiactive, mesic Typic Paleudults
  • Taxon Kind - series
  • PSC - 23 to 100 cm.
  • Classificaton Date - 6/29/1995
  • 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: 29 Cation exchange capacity to clay ratio and 21 Strongly contrasting textural stratification (depth in inches)


    • SITE

  • Parent Material: residuum weathered from limestone and sandstone and/or slope alluvium derived from limestone and sandstone
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/29/1995 (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

    abrupt textural change

    3—13

    13—140

    74—

    —-

    —-

    —-
    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

    5

    —

    —

    290

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    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); dark grayish brown (10YR 4/2) very gravelly silt loam; weak fine subangular blocky parts to moderate very fine and fine granular structure; friable; 3.0 fine to coarse roots; 7.0 very fine and fine interstitial and tubular pores; 35 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU054588
    Bt1—13 to 23 centimeters (5.1 to 9.1 inches); yellowish brown (10YR 5/4) very gravelly silt loam; weak very fine and fine subangular blocky structure; friable; 3.0 fine and medium roots and 0.9 coarse roots; 3.0 fine interstitial and tubular pores; 15 percent faint yellowish brown (10YR 5/4), moist, clay films on faces of peds and 35 percent distinct reddish brown (5YR 5/3), moist, silt coats throughout and 35 percent distinct dark grayish brown (10YR 4/2), moist, organic stains in root channels and/or pores; 40 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 # MU054589
    Bt2—23 to 41 centimeters (9.1 to 16.1 inches); yellowish brown (10YR 5/4) very gravelly silt loam; weak fine subangular blocky structure; friable; 0.9 fine to coarse roots; 3.0 fine interstitial and tubular pores; 35 percent faint brown (7.5YR 5/4), moist, clay films on faces of peds; 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 # MU054590
    Bt3—41 to 56 centimeters (16.1 to 22.0 inches); yellowish brown (10YR 5/6) very gravelly silty clay loam; moderate fine subangular blocky structure; friable; 0.9 fine to coarse roots; 3.0 fine tubular pores; 15 percent distinct pale brown (10YR 6/3), moist, silt coats throughout and 35 percent faint yellowish brown (10YR 5/4), moist, clay films on faces of peds; 40 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # MU054591
    2Bt4—56 to 74 centimeters (22.0 to 29.1 inches); strong brown (7.5YR 4/6) very gravelly silty clay; moderate fine subangular blocky, and angular blocky structure; firm; 0.9 fine to coarse roots; 3.0 fine tubular pores; 15 percent distinct light brownish gray (10YR 6/2), moist, clay films on faces of peds and 15 percent distinct grayish brown (10YR 5/2), moist, clay films in root channels and/or pores and 35 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds and 35 percent distinct yellowish red (5YR 4/6), moist, clay films on faces of peds; 40 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU054592
    2Bt5—74 to 115 centimeters (29.1 to 45.3 inches); 60 percent dark red (10R 3/6) and 40 percent strong brown (7.5YR 5/6) cobbly clay; strong medium angular blocky parts to strong very fine and fine angular blocky structure; very firm; 0.9 fine and medium roots; 0.9 fine and medium tubular and 0.9 fine vesicular pores; 15 percent distinct dark grayish brown (10YR 4/2), moist, clay films on faces of peds and 35 percent distinct strong brown (7.5YR 5/6), moist, clay films on faces of peds and 75 percent faint dark red (10R 3/6), moist, clay films on faces of peds; 3 percent by volume 250-425-600 millimeter limestone-sandstone fragments and 10 percent by volume 75-162-250 millimeter limestone-sandstone fragments and 20 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; gradual wavy boundary. Lab sample # MU054593
    2Bt6—115 to 140 centimeters (45.3 to 55.1 inches); 50 percent red (2.5YR 4/6) and 50 percent strong brown (7.5YR 5/6) very cobbly clay; strong medium angular blocky parts to strong very fine and fine angular blocky structure; very firm; 0.9 very fine and fine roots; 0.9 fine and medium tubular pores; 35 percent distinct light brownish gray (10YR 6/2), moist, clay films on faces of peds and 35 percent prominent dark red (10R 3/6), moist, clay films on faces of peds; 10 percent by volume 250-425-600 millimeter limestone-sandstone fragments and 10 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments and 15 percent by volume 75-162-250 millimeter limestone-sandstone fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU054594