IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1996MO179028M
  • User Pedon ID: 1996MO179028M
  • User Site Association ID: 8638
  • Transect:
  • User Transect ID - reynolds-80D1
  • Transect Stop Number - 10
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9617928
  • NCSS Pedon Lab Data NASIS Record ID - 31705
  • 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: 37.5695667
  • Std. Longitude: -91.1294389
  • Datum: WGS84
  • Map Unit: 80D—Poynor-Clarksville-Scholten complex, 8 to 15 percent slopes, stony73139—Poynor-Clarksville-Scholten complex, 8 to 15 percent slopes, stony
  • State: Missouri
  • County: MO179—Reynolds
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO179—Reynolds County, Missouri
  • 7.5 Minute USGS Quad: 37091-E2—Greeley, Missouri
  • PEDON

  • Describers Name: LT,BM,MS
  • Current Taxonomic Class: Loamy-skeletal, siliceous, active, 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 - 15 to 65 cm.
  • Classificaton Date - 3/8/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Clarksville
  • Taxonomic Class - Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Taxon Kind - series
  • PSC - 15 to 65 cm.
  • Classificaton Date - 6/19/1996
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 25.5 percent of Percent clay in the control section and 33.7 Percent rock fragments in the control section (vol) and 0 Percent fine sand to 3 IN. in the control section (wt) and 45 Cation exchange capacity to clay ratio


  • SITE

  • Parent Material: dolomite
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: somewhat excessively
  • Bedrock: dolomite (dolostone)
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/19/1996 (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

    mollic epipedon

    argillic horizon

    0—15

    15—165

    —-

    —-

    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

    12

    402

    350

    A—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2) very gravelly silt loam; weak fine granular structure; friable; 7.0 fine and medium roots and 3.0 coarse roots; 7.0 fine interstitial and tubular pores; 45 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # MU056490
    Bt1—15 to 33 centimeters (5.9 to 13.0 inches); very pale brown (10YR 7/3) gravelly silt loam; weak fine subangular blocky structure; friable; 3.0 fine to coarse roots; 7.0 fine and medium tubular pores; 15 percent distinct dark grayish brown (10YR 4/2), moist, organic stains on faces of peds and 15 percent faint light yellowish brown (10YR 6/4), moist, clay films on faces of peds; 3 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 15 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU056491
    Bt2—33 to 58 centimeters (13.0 to 22.8 inches); yellowish brown (10YR 5/4) very gravelly silt loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots and 0.9 coarse roots; 7.0 fine and medium tubular and 3.0 coarse tubular pores; 35 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on rock fragments and 75 percent distinct very pale brown (10YR 7/3), moist, silt coats on rock fragments; 5 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; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # MU056492
    Bt3—58 to 84 centimeters (22.8 to 33.1 inches); strong brown (7.5YR 5/6) gravelly silty clay loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots and 0.9 coarse roots; 7.0 fine and medium tubular and 3.0 coarse tubular pores; 35 percent distinct brown (7.5YR 4/4), moist, clay films on faces of peds and 35 percent distinct brown (7.5YR 5/4), moist, clay films on faces of peds and 35 percent faint pink (7.5YR 7/4), moist, silt coats on faces of peds and 35 percent distinct brown (7.5YR 5/3), moist, silt coats on rock fragments; 2 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; strongly acid, pH 5.4, hellige-truog; clear wavy boundary. Lab sample # MU056493
    Bt4—84 to 99 centimeters (33.1 to 39.0 inches); strong brown (7.5YR 5/6) very gravelly silty clay loam; weak fine subangular blocky structure; friable; 0.9 fine and medium roots; 3.0 fine and medium tubular and 0.9 coarse tubular pores; 50 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 # MU056494
    2Bt5—99 to 114 centimeters (39.0 to 44.9 inches); 50 percent red (2.5YR 4/6) and 50 percent light gray (10YR 7/2) gravelly clay; weak fine subangular blocky structure; firm; 0.9 fine and medium roots; 3.0 fine tubular pores; 35 percent prominent dark yellowish brown (10YR 3/4), moist, clay films on rock fragments and 35 percent prominent grayish brown (10YR 5/2), moist, clay films on rock fragments and 35 percent distinct gray (10YR 5/1), moist, clay films on faces of peds and 75 percent prominent light gray (10YR 7/2), moist, silt coats on faces of peds; 25 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 # MU056495
    2Bt6—114 to 142 centimeters (44.9 to 55.9 inches); 50 percent red (2.5YR 4/8) and 40 percent yellowish red (5YR 5/8) and 10 percent reddish yellow (5YR 6/6) very gravelly clay; weak fine subangular blocky structure; firm; 0.9 fine and medium roots; 7.0 fine and medium tubular pores; 35 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds and 35 percent distinct brown (7.5YR 4/4), moist, clay films on faces of peds and 35 percent distinct grayish brown (10YR 5/2), moist, clay films on rock fragments; 45 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 # MU056496
    2Bt7—142 to 165 centimeters (55.9 to 65.0 inches); 95 percent red (2.5YR 4/8) and 5 percent reddish yellow (7.5YR 7/8) very gravelly clay; weak fine subangular blocky parts to weak fine angular blocky structure; firm; 0.9 fine roots; 0.9 medium vesicular and 3.0 fine tubular pores; 35 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds and 35 percent distinct dark red (10R 3/6), moist, clay films on faces of peds and 75 percent distinct dark reddish gray (5YR 4/2), moist, clay films on faces of peds; 45 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; extremely acid, pH 4.4, hellige-truog. Lab sample # MU056497