IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1995MO203054M
  • User Pedon ID: 1995MO203054M
  • Transect:
  • Transect Stop Number - 3
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9561354
  • NCSS Pedon Lab Data NASIS Record ID - 31794
  • Print Date: 11/23/2024

    • 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: 37.1390194
  • Std. Longitude: -91.0930278
  • Datum: WGS84
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-B1—Exchange, Missouri

    • PEDON

  • Describers Name: DMM,RLT,SAV,JAW
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous, subactive, 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 - Poynor
  • PSC - 20 to 100 cm.
  • Classificaton Date - 3/7/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxonomic Class - Loamy-skeletal over clayey, siliceous, semiactive, mesic Typic Paleudults
  • Taxon Kind - series
  • PSC - 20 to 100 cm.
  • Classificaton Date - 6/26/1995
  • 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: 21 Cation exchange capacity to clay ratio and 26 Strongly contrasting textural stratification (depth in inches)


    • SITE

  • Parent Material: residuum weathered from dolomite and/or slope alluvium derived from limestone and sandstone
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/26/1995 (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

    strongly contrasting particle size class

    0—10

    20—132

    48—

    —-

    —-

    —-
    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

    16

    —

    —

    276

    —

    130

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); grayish brown (10YR 5/2) extremely gravelly silt loam; moderate very fine and fine granular structure; very friable; 3.0 fine and medium roots and 0.9 coarse roots; 7.0 fine interstitial and tubular pores; 2 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 60 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU054524
    E—10 to 20 centimeters (3.9 to 7.9 inches); light brownish gray (10YR 6/2) very gravelly silt loam; weak fine subangular blocky structure; very friable; 0.9 medium and coarse roots and 3.0 fine roots; 3.0 fine tubular pores; 55 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU054525
    Bt1—20 to 33 centimeters (7.9 to 13.0 inches); strong brown (7.5YR 5/6) very gravelly silt loam; weak fine subangular blocky structure; friable; 0.9 medium and coarse roots and 3.0 fine roots; 3.0 fine and medium tubular and 0.9 fine interstitial and tubular pores; 15 percent faint strong brown (7.5YR 5/6), moist, clay films on faces of peds and 15 percent distinct strong brown (7.5YR 4/6), moist, clay films on rock fragments and 75 percent prominent pale brown (10YR 6/3), moist, silt coats throughout; 50 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU054526
    Bt2—33 to 48 centimeters (13.0 to 18.9 inches); yellowish red (5YR 5/6) very gravelly silty clay loam; weak fine and medium subangular blocky structure; firm; 0.9 medium and coarse roots and 3.0 fine roots; 0.9 fine tubular pores; 35 percent prominent red (2.5YR 4/6), moist, clay films on faces of peds and 35 percent distinct light yellowish brown (10YR 6/4), moist, silt coats throughout; 20 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 30 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # MU054527
    2Bt3—48 to 66 centimeters (18.9 to 26.0 inches); 60 percent strong brown (7.5YR 5/6) and 40 percent red (2.5YR 4/6) silty clay; weak medium subangular blocky parts to weak very fine and fine angular blocky structure; firm; 3.0 fine roots; 0.9 fine interstitial and tubular pores; 15 percent distinct light yellowish brown (10YR 6/4), moist, silt coats throughout and 35 percent distinct dark red (2.5YR 3/6), moist, clay films on faces of peds; 10 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; gradual smooth boundary. Lab sample # MU054528
    2Bt4—66 to 89 centimeters (26.0 to 35.0 inches); red (2.5YR 4/6) silty clay; moderate medium and coarse subangular blocky parts to weak very fine and fine angular blocky structure; very firm; 0.9 fine roots; 0.9 fine interstitial and tubular pores; 15 percent distinct very pale brown (10YR 7/3), moist, silt coats on faces of peds and 75 percent distinct yellowish red (5YR 4/6), moist, clay films on faces of peds; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; gradual smooth boundary. Lab sample # MU054529
    2Bt5—89 to 107 centimeters (35.0 to 42.1 inches); 70 percent red (2.5YR 4/6) and 30 percent brown (7.5YR 5/4) clay; moderate medium subangular blocky parts to weak fine angular blocky structure; very firm; 0.9 fine roots; 0.9 medium tubular and 0.9 fine tubular pores; 35 percent prominent yellowish red (5YR 4/6), moist, clay films on faces of peds and 35 percent distinct dark yellowish brown (10YR 4/6), moist, clay films on faces of peds; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; gradual smooth boundary. Lab sample # MU054530
    2Bt6—107 to 132 centimeters (42.1 to 52.0 inches); 50 percent red (2.5YR 4/6) and 50 percent strong brown (7.5YR 5/6) clay; moderate medium angular blocky structure; very firm; 0.9 fine roots; 0.9 fine interstitial and tubular pores; 15 percent prominent brown (7.5YR 5/4), moist, clay films on faces of peds and 35 percent distinct reddish brown (2.5YR 4/4), moist, clay films on faces of peds; 10 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU054531