IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1995MO203055M
  • User Pedon ID: 1995MO203055M
  • Transect:
  • Transect Stop Number - 1
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9561355
  • NCSS Pedon Lab Data NASIS Record ID - 28004
  • 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: 37.1382000
  • Std. Longitude: -91.0925972
  • 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: RLT,JAW,DMM,SAV
  • 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 - 15 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 - 15 to 100 cm.
  • Classificaton Date - 6/27/1995
  • 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: 25 Cation exchange capacity to clay ratio


    • 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: linear
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/27/1995 (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

    5—15

    15—137

    46—

    —-

    —-

    —-
    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

    —

    —

    276

    —

    65

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 5 centimeters (0.0 to 2.0 inches); slightly decomposed plant material; fragments.
    A—5 to 15 centimeters (2.0 to 5.9 inches); grayish brown (10YR 5/2) very gravelly silt loam; moderate fine granular structure; friable; 0.9 medium and coarse roots and 3.0 fine roots; 7.0 fine interstitial and tubular pores; 5 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments and 50 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU020252
    Bt1—15 to 30 centimeters (5.9 to 11.8 inches); yellowish brown (10YR 5/4) gravelly silt loam; moderate fine subangular blocky structure; friable; 0.9 fine to coarse roots; 3.0 fine tubular pores; 15 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on faces of peds and 15 percent distinct dark grayish brown (10YR 4/2), moist, organic stains on faces of peds and 15 percent faint black (N 2/0), moist, iron stains on faces of peds; 2 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 30 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU020253
    Bt2—30 to 46 centimeters (11.8 to 18.1 inches); light yellowish brown (10YR 6/4) very gravelly silt loam; moderate fine subangular blocky structure; friable; 0.9 fine to coarse roots; 3.0 fine tubular pores; 35 percent distinct strong brown (7.5YR 5/6), moist, clay films on faces of peds; 45 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; moderately acid, pH 5.7, hellige-truog; clear smooth boundary. Lab sample # MU020254
    2Bt3—46 to 61 centimeters (18.1 to 24.0 inches); red (2.5YR 4/6) gravelly clay; moderate fine subangular blocky structure; firm; 0.1 medium roots and 0.9 fine roots; 3.0 fine tubular pores; 35 percent distinct reddish brown (5YR 4/4), moist, clay films on faces of peds and 35 percent distinct light reddish brown (5YR 6/4), moist, silt coats throughout; 25 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU020255
    2Bt4—61 to 79 centimeters (24.0 to 31.1 inches); red (2.5YR 4/6) gravelly clay; moderate fine angular blocky structure; very firm; 0.9 fine roots; 0.9 fine vesicular and tubular pores; 15 percent distinct reddish yellow (5YR 6/6), moist, silt coats on rock fragments and 35 percent distinct yellowish red (5YR 4/6), moist, clay films throughout; 2 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 4.9, hellige-truog; gradual wavy boundary. Lab sample # MU020256
    2Bt5—79 to 96 centimeters (31.1 to 37.8 inches); 90 percent red (2.5YR 4/6) and 10 percent brownish yellow (10YR 6/6) very gravelly clay; moderate fine angular blocky structure; very firm; 0.9 fine roots; 0.9 fine interstitial and tubular pores; 15 percent distinct light brown (7.5YR 6/3), moist, silt coats on lower surfaces of peds or rocks and 75 percent distinct red (10R 4/6), moist, clay films on lower surfaces of peds or rocks; 3 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 35 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; gradual wavy boundary. Lab sample # MU020257
    2Bt6—96 to 137 centimeters (37.8 to 53.9 inches); 75 percent red (2.5YR 4/6) and 15 percent light gray (10YR 7/2) and 10 percent yellowish brown (10YR 5/8) very gravelly clay; strong very fine and fine angular blocky structure; very firm; 0.1 fine roots; 0.1 fine interstitial and tubular pores; 35 percent distinct dark red (2.5YR 3/6), moist, clay films on lower surfaces of peds or rocks; 35 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # MU020258