IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1995MO203084M
  • User Pedon ID: 1995MO203084M
  • Transect:
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9561384
  • NCSS Pedon Lab Data NASIS Record ID - 31752
  • 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: 37.1487917
  • Std. Longitude: -91.0787083
  • Datum: WGS84
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO613—Shannon County, Missouri, North & West PartsMO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-B1—Exchange, Missouri

    • PEDON

  • Describers Name: DMM, MS, RLT
  • Current Taxonomic Class: Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Current Taxon Kind: series
  • 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 - 25 to 75 cm.
  • Classificaton Date - 3/7/2011
  • 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 - 10 to 60 cm.
  • Classificaton Date - 9/27/1995
  • 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: slope alluvium derived from dolomite
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 0.22 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/27/1995 (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

    0—10

    10—142

    —-

    —-
    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

    29

    —

    —

    253

    —

    270

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2) very gravelly silt loam; strong fine granular structure; very friable; 7.0 fine to coarse roots; 7.0 fine interstitial and tubular pores; 10 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 30 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; slightly acid, pH 6.1, hellige-truog; abrupt smooth boundary. Lab sample # MU054656
    Bt1—10 to 25 centimeters (3.9 to 9.8 inches); yellowish brown (10YR 5/4) gravelly silt loam; weak fine and medium subangular blocky structure; friable; 3.0 very fine to medium roots and 0.9 coarse roots; 3.0 very fine and fine tubular and 0.9 fine vesicular pores; 15 percent faint yellowish brown (10YR 5/4), moist, clay films on faces of peds and 75 percent distinct light yellowish brown (10YR 6/4), moist, silt coats on all faces of peds and 75 percent distinct very pale brown (10YR 7/3), moist, silt coats on all faces of peds; 30 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU054657
    Bt2—25 to 56 centimeters (9.8 to 22.0 inches); yellowish brown (10YR 5/4) very gravelly silt loam; weak fine subangular blocky structure; friable; 7.0 very fine and fine roots and 3.0 medium and coarse roots; 7.0 fine tubular pores; 15 percent faint dark yellowish brown (10YR 4/4), moist, clay films on rock fragments and 35 percent distinct light yellowish brown (10YR 6/4), moist, silt coats on faces of peds and 75 percent distinct very pale brown (10YR 7/3), moist, silt coats on all faces of peds; 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; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU054658
    Bt31—56 to 89 centimeters (22.0 to 35.0 inches); strong brown (7.5YR 5/6) extremely gravelly silt loam; moderate fine and medium subangular blocky structure; firm; 3.0 fine and medium roots; 7.0 fine and medium vesicular and 3.0 fine tubular pores; 35 percent distinct reddish brown (2.5YR 4/4), moist, clay films on all faces of peds and 75 percent faint strong brown (7.5YR 5/6), moist, clay films on all faces of peds and 75 percent distinct very pale brown (10YR 7/3), moist, silt coats on all faces of peds and 75 percent distinct light yellowish brown (10YR 6/4), moist, silt coats on all faces of peds; 5 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 55 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU054659
    Bt32—89 to 119 centimeters (35.0 to 46.9 inches); extremely gravelly silt loam; 5 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 55 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments. Lab sample # MU054660
    2Bt4—119 to 142 centimeters (46.9 to 55.9 inches); 75 percent reddish brown (2.5YR 4/4) and 25 percent strong brown (7.5YR 5/6) very gravelly clay loam; moderate very fine angular blocky structure; very firm; 0.9 fine and medium roots; 0.9 fine tubular pores; 15 percent distinct strong brown (7.5YR 5/6), moist, clay films on faces of peds and 35 percent faint red (2.5YR 5/6), moist, clay films on all faces of peds and 35 percent faint reddish brown (2.5YR 4/4), moist, clay films on rock fragments and 35 percent distinct light yellowish brown (10YR 6/4), moist, silt coats on all faces of peds and 75 percent distinct very pale brown (10YR 7/3), moist, silt coats on all faces of peds; 15 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 35 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU054661