IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1995MO203002M
  • User Pedon ID: 1995MO203002M
  • Transect:
  • Transect Stop Number - 3
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9561302
  • NCSS Pedon Lab Data NASIS Record ID - 31937
  • Print Date: 12/17/2024

    • 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: 37.3064722
  • Std. Longitude: -91.3918111
  • 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-C4—Round Spring, Missouri

    • PEDON

  • Describers Name: JW, RLT
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous, semiactive, mesic Typic Paleudults
  • Current Taxon Kind: series
  • 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 - 2/19/2021
  • 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 - 2/21/1995
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 25 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: residuum and/or slope alluvium derived from dolomite
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: head slope
  • Hill Slope Profile: shoulder
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/21/1995 (actual site observation date)
  • Air Photo ID: 8
  • 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

    5—15

    30—178

    —-

    —-
    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

    9

    —

    —

    294

    —

    310

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 5 centimeters (0.0 to 2.0 inches); slightly decomposed plant material; fragments.
    A—5 to 20 centimeters (2.0 to 7.9 inches); brown (10YR 4/3) very gravelly sandy loam; weak fine granular structure; friable; 7.0 very fine and fine roots and 3.0 medium roots; 7.0 fine interstitial and tubular pores; 5 percent by volume 75-162-250 millimeter sandstone, unspecified fragments and 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 # MU054278
    Bt1—20 to 35 centimeters (7.9 to 13.8 inches); 75 percent yellowish brown (10YR 5/4) and 25 percent brown (10YR 4/3) gravelly sandy loam; moderate fine subangular blocky structure; friable; 3.0 medium roots and 3.0 fine roots and 0.9 coarse roots; 3.0 very fine and fine interstitial and tubular pores; 2 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 15 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # MU054279
    Bt2—35 to 66 centimeters (13.8 to 26.0 inches); yellowish brown (10YR 5/6) very gravelly sandy clay loam; weak fine subangular blocky structure; firm; 0.1 medium roots and 0.9 fine roots; 7.0 fine interstitial and tubular pores; 30 percent distinct reddish brown (5YR 5/4), moist, clay films on rock fragments and 70 percent distinct brown (7.5YR 5/4), moist, silt coats on faces of peds; 1 percent by volume 250-425-600 millimeter limestone-sandstone fragments and 2 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 50 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog; gradual wavy boundary. Lab sample # MU054280
    2Bt3—66 to 117 centimeters (26.0 to 46.1 inches); 85 percent red (2.5YR 4/6) and 15 percent yellowish brown (10YR 5/4) gravelly clay; strong fine angular blocky parts to moderate fine subangular blocky structure; very firm; 0.9 very fine and fine roots and 0.1 medium roots; 7.0 very fine and fine tubular and 0.9 medium tubular pores; 10 percent distinct yellowish brown (10YR 5/4), moist, clay films on rock fragments and 30 percent distinct reddish brown (2.5YR 4/4), moist, clay films on faces of peds and 75 percent distinct red (2.5YR 4/8), moist, clay films on faces of peds; 5 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 15 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog; gradual wavy boundary. Lab sample # MU054281
    2Bt4—117 to 145 centimeters (46.1 to 57.1 inches); 50 percent brownish yellow (10YR 6/6) and 40 percent red (2.5YR 4/6) and 10 percent pinkish white (7.5YR 8/2) clay; strong fine angular blocky structure; very firm; 0.1 fine roots; 0.9 medium interstitial and tubular and 3.0 fine tubular pores; 10 percent distinct dark grayish brown (10YR 4/2), moist, clay films on horizontal faces of peds and 30 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds and 50 percent distinct yellowish brown (10YR 5/6), moist, clay films on faces of peds; 10 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.6, hellige-truog; gradual wavy boundary. Lab sample # MU054282
    2Bt5—145 to 183 centimeters (57.1 to 72.0 inches); 65 percent brownish yellow (10YR 6/6) and 25 percent dark red (2.5YR 3/6) and 10 percent pinkish white (7.5YR 8/2) clay; moderate medium subangular blocky parts to moderate fine angular blocky structure; very firm; 0.1 fine roots; 0.9 very fine tubular and 0.9 fine vesicular pores; 10 percent distinct dark grayish brown (10YR 4/2), moist, clay films on horizontal faces of peds and 50 percent distinct yellowish brown (10YR 5/6), moist, clay films on faces of peds and 70 percent distinct dark red (2.5YR 3/6), moist, clay films on faces of peds; 2 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 10 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.5, hellige-truog. Lab sample # MU054283