IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1996MO179039M
  • User Pedon ID: 1996MO179039M
  • User Site Association ID: 8639
  • Transect:
  • User Transect ID - reynolds-80D2
  • Transect Stop Number - 12
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9617939
  • NCSS Pedon Lab Data NASIS Record ID - 31699
  • Print Date: 5/30/2024

    • 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: 37.4792139
  • Std. Longitude: -90.9690444
  • 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: LT & 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 - 43 to 100 cm.
  • Classificaton Date - 3/28/2011
  • 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 - 43 to 93 cm.
  • Classificaton Date - 6/26/1996
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 22 percent of Percent clay in the control section and 55 Percent rock fragments in the control section (vol) and 36 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: linear
  • 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—10

    25—160

    81—

    —-

    —-

    —-
    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

    —

    —

    335

    —

    210

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—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 and 3.0 coarse roots; 7.0 fine interstitial and tubular pores; 35 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; extremely acid, pH 3.8, hellige-truog; clear smooth boundary. Lab sample # MU056539
    E—10 to 25 centimeters (3.9 to 9.8 inches); pale brown (10YR 6/3) gravelly silt loam; weak fine granular structure; friable; 7.0 fine to coarse roots and 2.0 coarse roots; 7.0 fine and medium tubular pores; 3 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 4.7, hellige-truog; clear smooth boundary. Lab sample # MU056540
    Bt1—25 to 43 centimeters (9.8 to 16.9 inches); very pale brown (10YR 7/4) very gravelly silt loam; weak fine granular structure; friable; 3.0 fine and medium roots and 0.9 coarse roots; 3.0 fine to coarse tubular pores; 15 percent distinct yellowish brown (10YR 5/6), moist, clay films on faces of peds; 35 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU056541
    Bt2—43 to 81 centimeters (16.9 to 31.9 inches); strong brown (7.5YR 5/6) extremely gravelly loam; weak fine subangular blocky structure; friable; 0.9 fine to coarse roots; 7.0 fine to coarse tubular pores; 35 percent distinct dark brown (7.5YR 3/4), moist, clay films on faces of peds and 35 percent distinct brown (7.5YR 4/4), moist, clay films on faces of peds and 75 percent distinct pink (7.5YR 7/3), moist, silt coats on faces of peds; 65 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.6, hellige-truog; clear wavy boundary. Lab sample # MU056542
    2Bt3—81 to 122 centimeters (31.9 to 48.0 inches); 70 percent brownish yellow (10YR 6/6) and 30 percent yellowish red (5YR 5/6) clay; weak fine subangular blocky structure; firm; 0.9 fine and medium roots; 7.0 fine and medium tubular and 0.9 coarse tubular pores; 15 percent distinct grayish brown (10YR 5/2), moist, organic stains in root channels and/or pores and 15 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds and 35 percent distinct white (10YR 8/1), moist, silt coats on faces of peds and 35 percent distinct gray (10YR 5/1), moist, clay films on faces of peds; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.5, hellige-truog; clear wavy boundary. Lab sample # MU056543
    2Bt4—122 to 142 centimeters (48.0 to 55.9 inches); yellow (10YR 7/6) gravelly clay; weak fine subangular blocky structure; firm; 0.1 fine roots; 3.0 fine and medium tubular pores; 35 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds and 35 percent distinct light yellowish brown (10YR 6/4), moist, clay films on faces of peds and 35 percent distinct gray (10YR 5/1), moist, clay films on faces of peds; 30 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; extremely acid, pH 4.4, hellige-truog; clear wavy boundary. Lab sample # MU056544
    2Bt5—142 to 160 centimeters (55.9 to 63.0 inches); 60 percent red (2.5YR 4/6) and 40 percent yellow (10YR 7/8) very gravelly silty clay loam; 10 percent light gray (10YR 7/2) fine prominent mottles; weak fine subangular blocky structure; firm; 0.1 fine roots; 3.0 fine and medium tubular pores; 35 percent distinct dark reddish brown (2.5YR 3/4), moist, clay films on rock fragments and 35 percent distinct brown (7.5YR 4/4), moist, clay films on rock fragments; 55 percent by volume nonflat indurated 2-40-75 millimeter chert fragments. Lab sample # MU64600