IDENTIFIERS

  • Current Taxon Name (Soil Name): Clarksville
  • OSD
  • Series Extent
  • User Site ID: 1996MO179016M
  • User Pedon ID: 1996MO179016M
  • User Site Association ID: 8638
  • Transect:
  • User Transect ID - reynolds-80D1
  • Transect Stop Number - 5
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9617916
  • NCSS Pedon Lab Data NASIS Record ID - 31713
  • Print Date: 12/17/2024

    • 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: 37.5683611
  • Std. Longitude: -91.2245444
  • 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, 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 - 26 to 76 cm.
  • Classificaton Date - 12/27/2018
  • 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 - 26 to 76 cm.
  • Classificaton Date - 6/3/1996
  • 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: 27.6 percent of Percent clay in the control section and 42 Percent rock fragments in the control section (vol) and 0 Percent fine sand to 3 IN. in the control section (wt) and 30 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: residuum and/or slope alluvium derived from dolomite
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Shape Across: concave
  • Slope Shape Down: convex
  • Drainage Class: somewhat excessively
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: dolomite (dolostone)
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/3/1996 (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

    strongly contrasting particle size class

    3—26

    26—181

    67—

    —-

    —-

    —-
    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

    10

    —

    —

    415

    —

    170

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.
    A—3 to 8 centimeters (1.2 to 3.1 inches); very dark grayish brown (10YR 3/2) very gravelly silt loam; weak fine granular structure; very friable; 3.0 medium and coarse roots and 7.0 fine roots; 7.0 fine interstitial and tubular pores; 55 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; extremely acid, pH 4.2, hellige-truog; clear smooth boundary. Lab sample # MU056438
    E—8 to 26 centimeters (3.1 to 10.2 inches); pale brown (10YR 6/3) very gravelly silt loam; weak fine subangular blocky structure; very friable; 3.0 fine and medium roots; 7.0 fine to coarse tubular pores; 15 percent distinct dark grayish brown (10YR 4/2) organic stains on faces of peds; 55 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU056439
    Bt1—26 to 51 centimeters (10.2 to 20.1 inches); pale brown (10YR 6/3) very gravelly silt loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots; 7.0 fine to coarse tubular pores; 15 percent faint yellowish brown (10YR 5/4), moist, clay films on faces of peds and 15 percent faint yellowish brown (10YR 5/4), moist, clay films on rock fragments; 2 percent by volume nonflat angular indurated 75-162-250 millimeter chert fragments and 45 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU056440
    Bt2—51 to 67 centimeters (20.1 to 26.4 inches); light brown (7.5YR 6/4) very gravelly silt loam; moderate fine subangular blocky structure; friable; 0.9 fine and medium roots; 3.0 fine to coarse tubular pores; 35 percent distinct strong brown (7.5YR 5/6), moist, clay films on faces of peds and 35 percent prominent light brown (7.5YR 6/3), moist, silt coats on faces of peds and 75 percent distinct brown (7.5YR 5/4), moist, clay films on faces of peds; 45 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU056441
    2Bt3—67 to 92 centimeters (26.4 to 36.2 inches); red (2.5YR 4/6) very gravelly clay; moderate fine subangular blocky structure; firm; 0.9 fine roots; 3.0 fine to coarse tubular pores; 15 percent distinct brown (7.5YR 5/3), moist, clay films on rock fragments and 35 percent prominent light brown (7.5YR 6/3), moist, silt coats on faces of peds and 75 percent distinct brown (7.5YR 4/4), moist, clay films on faces of peds; 16 percent by volume nonflat angular indurated 75-162-250 millimeter chert fragments and 35 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; clear irregular boundary. Lab sample # MU056442
    2Bt4—92 to 110 centimeters (36.2 to 43.3 inches); 95 percent red (2.5YR 4/6) and 5 percent reddish yellow (5YR 6/8) very gravelly clay; moderate fine subangular blocky structure; firm; 0.9 fine roots; 3.0 fine tubular pores; 15 percent faint red (2.5YR 4/6), moist, clay films on rock fragments and 35 percent distinct brown (7.5YR 4/3), moist, clay films on faces of peds and 75 percent distinct brown (7.5YR 4/2), moist, clay films on faces of peds; 10 percent by volume nonflat angular indurated 75-162-250 millimeter chert fragments and 40 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU056443
    2Bt5—110 to 148 centimeters (43.3 to 58.3 inches); 90 percent red (2.5YR 4/6) and 10 percent reddish yellow (5YR 6/8) very gravelly clay; moderate fine subangular blocky structure; firm; 0.9 fine roots; 3.0 fine and medium tubular pores; 15 percent distinct brown (7.5YR 4/3), moist, clay films in root channels and/or pores and 35 percent distinct dark reddish brown (2.5YR 3/4), moist, clay films on faces of peds and 35 percent faint red (2.5YR 4/6), moist, clay films on faces of peds; 10 percent by volume nonflat angular indurated 75-162-250 millimeter chert fragments and 40 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.6, hellige-truog; clear wavy boundary. Lab sample # MU056444
    2Bt6—148 to 181 centimeters (58.3 to 71.3 inches); 90 percent red (2.5YR 4/8) and 10 percent yellow (10YR 7/6) very gravelly clay; weak fine subangular blocky structure; firm; 3.0 fine tubular pores; 35 percent distinct red (2.5YR 4/6), moist, clay films on rock fragments and 75 percent distinct strong brown (7.5YR 4/6), moist, clay films on faces of peds; 10 percent by volume nonflat angular indurated 75-162-250 millimeter chert fragments and 30 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.5, hellige-truog. Lab sample # MU056445