IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1996MO179038M
  • User Pedon ID: 1996MO179038M
  • User Site Association ID: 8639
  • Transect:
  • User Transect ID - reynolds-80D2
  • Transect Stop Number - 11
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9617938
  • NCSS Pedon Lab Data NASIS Record ID - 26875
  • 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: 37.4834000
  • Std. Longitude: -90.9708639
  • 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: MS & BM
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous, subactive, 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 - 30 to 100 cm.
  • Classificaton Date - 2/1/2012
  • 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 - 30 to 80 cm.
  • Classificaton Date - 6/26/1996
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 33 percent of Percent clay in the control section and 66 Percent rock fragments in the control section (vol) and 31 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: slope alluvium derived from dolomite
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: interfluve
  • 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: 6/26/1996 (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—8

    30—152

    89—

    —-

    —-

    —-
    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

    8

    —

    —

    335

    —

    180

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2) gravelly silt loam; weak fine granular structure; very friable; 7.0 fine and medium roots and 3.0 coarse roots; 7.0 fine interstitial and tubular pores; 10 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 20 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; extremely acid, pH 3.9, hellige-truog; clear smooth boundary. Lab sample # MU012579
    E—8 to 30 centimeters (3.1 to 11.8 inches); pale brown (10YR 6/3) gravelly silt loam; weak fine subangular blocky structure; very friable; 3.0 fine and medium roots and 0.9 coarse roots; 7.0 fine and medium tubular pores; 35 percent distinct yellowish brown (10YR 5/4), moist, clay films on faces of peds; 30 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU012580
    Bt1—30 to 61 centimeters (11.8 to 24.0 inches); light brown (7.5YR 6/4) extremely gravelly loam; weak fine subangular blocky structure; friable; 3.0 fine roots; 7.0 medium tubular pores; 15 percent distinct brown (7.5YR 4/4), moist, clay films on rock fragments and 15 percent distinct pale brown (10YR 6/3), moist, silt coats on faces of peds and 35 percent distinct strong brown (7.5YR 5/6), moist, clay films on faces of peds; 60 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU012581
    Bt2—61 to 89 centimeters (24.0 to 35.0 inches); light brown (7.5YR 6/4) extremely gravelly loam; weak fine subangular blocky structure; friable; 0.1 fine roots; 3.0 medium tubular pores; 15 percent distinct pale brown (10YR 6/3), moist, silt coats on rock fragments and 35 percent distinct dark brown (7.5YR 3/4), moist, clay films on rock fragments; 75 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # MU012582
    2Bt3—89 to 114 centimeters (35.0 to 44.9 inches); yellowish red (5YR 5/6) clay; strong medium subangular blocky structure; firm; 0.1 fine roots; 0.1 coarse tubular pores; 35 percent distinct red (2.5YR 5/6), moist, clay films on faces of peds and 35 percent distinct brown (10YR 5/3), moist, clay films on faces of peds; fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU012583
    2Bt4—114 to 142 centimeters (44.9 to 55.9 inches); very pale brown (10YR 8/4) clay; weak fine subangular blocky structure; firm; 0.1 fine roots; 0.1 fine tubular pores; 15 percent distinct yellowish brown (10YR 5/4), moist, clay films on faces of peds and 15 percent distinct grayish brown (10YR 5/2), moist, clay films on faces of peds and 35 percent distinct red (2.5YR 4/8), moist, clay films on faces of peds; fragments; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # MU012584
    2Bt5—142 to 160 centimeters (55.9 to 63.0 inches); sandy clay loam; fragments. Lab sample # MU012585