IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1996MO179031M
  • User Pedon ID: 1996MO179031M
  • User Site Association ID: 8639
  • Transect:
  • User Transect ID - reynolds-80D2
  • Transect Stop Number - 4
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9617931
  • NCSS Pedon Lab Data NASIS Record ID - 26805
  • Print Date: 11/26/2024

    • 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: 37.4739222
  • Std. Longitude: -90.9445361
  • 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: M.M. B.M.
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous, semiactive, mesic Typic Hapludults
  • 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 - Poynor
  • PSC - 43 to 100 cm.
  • Classificaton Date - 4/1/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Claiborne
  • Taxonomic Class - Fine-loamy, siliceous, subactive, mesic Typic Paleudults
  • Taxon Kind - series
  • PSC - 43 to 93 cm.
  • Classificaton Date - 6/24/1996
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 28 percent of Percent clay in the control section and 34 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: side 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: 6/24/1996 (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

    0—10

    20—160

    64—

    —-

    —-

    —-
    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

    15

    —

    —

    347

    —

    330

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2) very gravelly silt loam; weak fine granular structure; friable; 7.0 fine and medium roots; 7.0 fine and medium interstitial and tubular pores; 40 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # MU012073
    E1—10 to 20 centimeters (3.9 to 7.9 inches); pale brown (10YR 6/3) gravelly silt loam; weak fine subangular blocky structure; friable; 7.0 fine and medium roots and 0.9 coarse roots; 7.0 fine and medium tubular pores; 35 percent distinct dark grayish brown (10YR 4/2), moist, organic stains on faces of peds; 35 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # MU012074
    E2—20 to 43 centimeters (7.9 to 16.9 inches); brown (10YR 5/3) very gravelly silt loam; weak fine subangular blocky structure; friable; 7.0 fine and medium roots and 0.9 coarse roots; 7.0 fine and medium tubular pores; 15 percent distinct yellowish brown (10YR 5/6), moist, clay films on faces of peds and 75 percent distinct pale brown (10YR 6/3), moist, silt coats on faces of peds; 37 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU012075
    Bt1—43 to 64 centimeters (16.9 to 25.2 inches); yellowish red (5YR 5/8) very gravelly silt loam; weak fine subangular blocky structure; firm; 3.0 fine and medium roots and 0.9 coarse roots; 3.0 fine and medium tubular and 0.9 coarse tubular pores; 35 percent distinct yellowish red (5YR 5/6), moist, clay films on faces of peds and 75 percent distinct pale brown (10YR 6/3), moist, silt coats on faces of peds; 35 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU012076
    2Bt2—64 to 76 centimeters (25.2 to 29.9 inches); 70 percent red (2.5YR 4/8) and 30 percent red (2.5YR 5/6) gravelly silty clay; moderate fine subangular blocky structure; firm; 3.0 fine and medium roots and 0.9 coarse roots; 3.0 fine and medium tubular and 0.9 coarse tubular pores; 15 percent faint yellowish red (5YR 5/6), moist, clay films on faces of peds and 35 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds; 25 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU012077
    2Bt3—76 to 130 centimeters (29.9 to 51.2 inches); red (2.5YR 4/8) gravelly clay; weak fine subangular blocky structure; firm; 0.1 fine roots; 0.9 fine tubular pores; 15 percent distinct brown (7.5YR 5/3), moist, clay films on faces of peds and 35 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds; 25 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # MU012078
    2Bt4—130 to 160 centimeters (51.2 to 63.0 inches); 80 percent red (2.5YR 5/8) and 20 percent reddish yellow (7.5YR 7/6) very gravelly silty clay loam; weak medium subangular blocky structure; firm; 0.1 fine roots; 0.9 fine tubular pores; 15 percent distinct dark gray (10YR 4/1), moist, clay films on faces of peds and 15 percent distinct brown (7.5YR 4/3), moist, clay films on faces of peds and 35 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds; 45 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # MU012079