IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1996MO203023M
  • User Pedon ID: 1996MO203023M
  • User Site Association ID: 8638
  • Transect:
  • User Transect ID - shannon-80D1
  • Transect Stop Number - 3
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9661323
  • NCSS Pedon Lab Data NASIS Record ID - 31694
  • 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: 37.2999139
  • Std. Longitude: -91.3902278
  • Datum: WGS84
  • Township: T30N
  • Range: R4W
  • Section: 16
  • Location Description: sec. 16 T30N. R.4W
  • 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: LT, BM, MS
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous, semiactive, mesic Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Poynor
  • PSC - 28 to 100 cm.
  • Classificaton Date - 3/8/2011
  • 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 - 28 to 100 cm.
  • Classificaton Date - 9/5/1996
  • 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: 18 percent of Percent clay in the control section and 54 percent of Percent clay in the control section and 60 Percent rock fragments in the control section (vol) and 25 Percent rock fragments in the control section (vol) and 30 Strongly contrasting textural stratification (depth in inches)


    • SITE

  • Parent Material: residuum and/or 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: 9/5/1996 (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—28

    28—203

    76—

    —-

    —-

    —-
    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

    12

    —

    —

    323

    —

    310

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2) gravelly silt loam; weak fine granular structure; very friable; 7.0 fine and medium roots; 7.0 coarse interstitial and tubular pores; 30 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU056801
    E—10 to 28 centimeters (3.9 to 11.0 inches); 80 percent light gray (10YR 7/2) and 20 percent light brownish gray (10YR 6/2) very gravelly silt loam; weak fine granular structure; very friable; 3.0 fine to coarse tubular pores; 45 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # MU056802
    Bt1—28 to 41 centimeters (11.0 to 16.1 inches); light brown (7.5YR 6/4) very gravelly silt loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots and 1.0 coarse roots; 3.0 fine to coarse tubular pores; 15 percent distinct brown (7.5YR 5/4), moist, clay films on faces of peds and 75 percent distinct very pale brown (10YR 7/3), moist, silt coats on faces of peds; 35 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU056803
    Bt2—41 to 58 centimeters (16.1 to 22.8 inches); strong brown (7.5YR 5/6) gravelly silt loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots and 1.0 coarse roots; 3.0 fine and medium tubular pores; 15 percent distinct brown (7.5YR 5/4), moist, clay films on faces of peds and 35 percent distinct yellowish red (5YR 5/8), moist, clay films on faces of peds and 35 percent distinct very pale brown (10YR 7/3), moist, silt coats on faces of peds; 20 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # MU056804
    Bt3—58 to 76 centimeters (22.8 to 29.9 inches); yellowish red (5YR 5/6) very gravelly loam; moderate medium subangular blocky structure; firm; 2.0 fine and medium roots and 1.0 coarse roots; 3.0 fine and medium tubular pores; 35 percent distinct red (2.5YR 4/8), moist, clay films on faces of peds and 35 percent distinct brown (7.5YR 5/4), moist, silt coats on faces of peds; 45 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU056805
    2Bt4—76 to 91 centimeters (29.9 to 35.8 inches); red (2.5YR 4/8) gravelly clay; strong medium subangular blocky structure; firm; 0.1 fine roots and 0.1 fine roots; 3.0 fine tubular pores; 35 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds and 35 percent distinct brown (7.5YR 5/4), moist, clay films on faces of peds; 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 # MU056806
    2Bt5—91 to 122 centimeters (35.8 to 48.0 inches); red (2.5YR 4/6) gravelly clay; strong medium subangular blocky structure; firm; 0.1 fine roots; 3.0 fine tubular pores; 35 percent distinct dark yellowish brown (10YR 3/6), moist, clay films on faces of peds and 35 percent distinct reddish brown (2.5YR 4/4), moist, clay films on faces of peds; 25 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU056807
    2Bt6—122 to 152 centimeters (48.0 to 59.8 inches); 60 percent dark yellowish brown (10YR 4/6) and 40 percent red (2.5YR 4/6) clay; strong medium subangular blocky structure; firm; 0.1 fine roots; 3.0 fine tubular pores; 15 percent distinct dark red (10R 3/6), moist, clay films on faces of peds and 35 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on faces of peds; 15 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU056808
    2Bt7—152 to 185 centimeters (59.8 to 72.8 inches); red (2.5YR 4/6) clay; strong medium subangular blocky structure; firm; 0.1 fine roots; 3.0 fine tubular pores; 35 percent distinct reddish brown (2.5YR 4/4), moist, clay films on faces of peds and 35 percent distinct yellowish brown (10YR 5/4), moist, clay films on faces of peds; 15 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.6, hellige-truog. Lab sample # MU056809. Ph taken with Hellig truog kit
    2Bt8—185 to 203 centimeters (72.8 to 79.9 inches); clay; fragments. Lab sample # MU056810