IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1996MO179036M
  • User Pedon ID: 1996MO179036M
  • User Site Association ID: 8639
  • Transect:
  • User Transect ID - reynolds-80D2
  • Transect Stop Number - 9
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9617936
  • NCSS Pedon Lab Data NASIS Record ID - 26874
  • 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: 37.4778806
  • Std. Longitude: -90.9442000
  • 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: 37090-D8—Centerville, Missouri
  • PEDON

  • Describers Name: BM & LT
  • 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 - 38 to 88 cm.
  • Classificaton Date - 12/10/2010
  • 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 - 38 to 88 cm.
  • Classificaton Date - 6/25/1996
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 32 percent of Percent clay in the control section and 67 Percent rock fragments in the control section (vol) and 37 Cation exchange capacity to clay ratio


  • SITE

  • Parent Material: slope alluvium derived from dolomite
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: nose slope
  • Hill Slope Profile: shoulder
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Bedrock: dolomite (dolostone)
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/25/1996 (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

    ochric epipedon

    argillic horizon

    0—15

    38—168

    —-

    —-

    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

    6

    317

    340

    A—0 to 15 centimeters (0.0 to 5.9 inches); dark grayish brown (10YR 4/2) gravelly silt loam; weak fine granular structure; friable; 7.0 fine and medium roots and 0.9 coarse roots; 7.0 fine interstitial and tubular pores; 30 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU012573
    E—15 to 38 centimeters (5.9 to 15.0 inches); pale brown (10YR 6/3) gravelly silt loam; weak fine granular structure; friable; 7.0 fine and medium roots and 7.0 coarse roots; 7.0 fine tubular pores; 15 percent distinct brown (10YR 4/3), moist, organic stains on faces of peds; 30 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU012574
    Bt1—38 to 69 centimeters (15.0 to 27.2 inches); yellowish brown (10YR 5/4) extremely gravelly loam; weak fine subangular blocky structure; friable; 0.9 fine and medium roots; 0.9 coarse tubular pores; 35 percent distinct brown (7.5YR 5/4), moist, clay films on rock fragments and 35 percent distinct brown (7.5YR 4/4), moist, clay films on faces of peds and 35 percent distinct pale brown (10YR 6/3), moist, silt coats on rock fragments; 65 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU012575
    Bt2—69 to 97 centimeters (27.2 to 38.2 inches); brown (7.5YR 5/4) extremely gravelly loam; weak fine subangular blocky structure; friable; 0.9 fine roots; 0.9 coarse tubular pores; 15 percent distinct black (10YR 2/1), moist, manganese or iron-manganese stains on rock fragments and 35 percent distinct brown (7.5YR 4/4), moist, clay films on rock fragments; 65 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # MU012576
    2Bt3—97 to 137 centimeters (38.2 to 53.9 inches); yellowish brown (10YR 5/8) extremely gravelly clay; 10 percent yellow (10YR 8/6) fine prominent mottles; weak fine subangular blocky structure; firm; 0.9 fine and medium roots; 3.0 fine tubular pores; 35 percent distinct strong brown (7.5YR 5/6), moist, clay films on faces of peds and 35 percent distinct light yellowish brown (10YR 6/4), moist, silt coats on faces of peds; 70 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU012577
    2Bt4—137 to 168 centimeters (53.9 to 66.1 inches); very pale brown (10YR 8/3) very gravelly clay; weak fine subangular blocky structure; firm; 0.9 fine roots; 0.1 fine tubular pores; 15 percent distinct red (2.5YR 4/8), moist, clay films on faces of peds and 35 percent distinct brownish yellow (10YR 6/6), moist, clay films on faces of peds and 35 percent distinct very pale brown (10YR 8/4), moist, clay films on faces of peds and 35 percent distinct grayish brown (10YR 5/2), moist, clay films on faces of peds; 45 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # MU012578