IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 2000MO179069M
  • User Pedon ID: 2000MO179069M
  • Transect:
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M0017969
  • NCSS Pedon Lab Data NASIS Record ID - 28114
  • 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: 37.0901639
  • Std. Longitude: -90.8408500
  • Datum: WGS84
  • Map Unit: 82F—Clarksville-Scholten complex, 15 to 45 percent slopes, very stony73140—Clarksville-Scholten complex, 15 to 45 percent slopes, very 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-A7—Ellington SE, Missouri

    • PEDON

  • Describers Name: RLT,MM
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous, subactive, mesic Typic Paleudults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Poynor
  • PSC - 38 to 100 cm.
  • Classificaton Date - 2/25/2011
  • 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 - 38 to 100 cm.
  • Classificaton Date - 9/19/2000
  • 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: 29 percent of Percent clay in the control section and 60 percent of Percent clay in the control section and 49.700001 Percent rock fragments in the control section (vol) and 6 Percent rock fragments in the control section (vol)


    • SITE

  • Parent Material: residuum and/or slope alluvium derived from dolomite
  • Landscape: hills
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Bedrock: strong weathered dolomite (dolostone)
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/19/2000 (actual site observation date)
  • Air Photo ID: 11
  • 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—38

    38—163

    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

    26

    —

    —

    251

    —

    170

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.
    A—3 to 10 centimeters (1.2 to 3.9 inches); dark grayish brown (10YR 4/2) extremely gravelly silt loam; weak fine granular structure; friable; 7.0 fine to coarse roots; 7.0 fine interstitial and tubular pores; 10 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 65 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU021006
    E—10 to 38 centimeters (3.9 to 15.0 inches); pale brown (10YR 6/3) extremely gravelly silt loam; weak fine subangular blocky structure; friable; 7.0 fine to coarse roots; 3.0 fine and medium tubular pores; 10 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 60 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; abrupt irregular boundary. Lab sample # MU021007
    Bt1—38 to 64 centimeters (15.0 to 25.2 inches); yellowish brown (10YR 5/4) extremely gravelly silt loam; moderate fine and medium subangular blocky structure; friable; 3.0 fine and medium roots; 3.0 fine and medium tubular pores; 35 percent distinct strong brown (7.5YR 5/6) clay films on faces of peds and 75 percent distinct very pale brown (10YR 8/2) silt coats on faces of peds; 5 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 55 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; clear irregular boundary. Lab sample # MU021008
    2Bt2—64 to 81 centimeters (25.2 to 31.9 inches); yellowish red (5YR 4/6) gravelly silty clay; moderate fine and medium angular blocky structure; firm; 0.1 very fine and fine roots; 0.9 fine interstitial and tubular pores; 15 percent distinct very pale brown (10YR 8/2) clay films on faces of peds and 35 percent distinct dark red (2.5YR 3/6) clay films on faces of peds; 35 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU021009
    2Bt3—81 to 114 centimeters (31.9 to 44.9 inches); dark red (2.5YR 3/6) clay; strong coarse angular blocky parts to strong medium angular blocky structure; firm; 0.9 very fine and fine roots; 0.9 very fine and fine interstitial and tubular pores; 15 percent distinct very pale brown (10YR 8/2) silt coats on faces of peds and 35 percent distinct brown (7.5YR 4/4) clay films on faces of peds and 35 percent distinct red (2.5YR 5/6) clay films on faces of peds; 5 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; gradual smooth boundary. Lab sample # MU021010
    2Bt4—114 to 142 centimeters (44.9 to 55.9 inches); red (2.5YR 4/6) clay; moderate fine and medium angular blocky structure; very firm; 0.9 very fine and fine roots; 0.9 very fine and fine interstitial and tubular pores; 15 percent faint dark red (2.5YR 3/6) clay films on faces of peds and 15 percent distinct very pale brown (10YR 8/2) silt coats on faces of peds and 35 percent distinct brown (7.5YR 4/4) clay films on faces of peds; 5 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU021011
    2Bt5—142 to 163 centimeters (55.9 to 64.2 inches); 65 percent brown (7.5YR 5/4) and 35 percent dark red (2.5YR 3/6) very gravelly clay; strong fine and medium angular blocky structure; very firm; 0.1 very fine and fine roots; 0.9 very fine and fine interstitial and tubular pores; 15 percent distinct very pale brown (10YR 8/2) silt coats on faces of peds and 15 percent distinct yellowish brown (10YR 5/4) clay films on faces of peds and 35 percent distinct brown (7.5YR 4/4) clay films on faces of peds; 50 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments. Lab sample # MU021012