IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1995MO203057M
  • User Pedon ID: 1995MO203057M
  • User Site Association ID: 8562
  • Transect:
  • User Transect ID - shannon-94-3
  • Transect Stop Number - 6
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9561357
  • NCSS Pedon Lab Data NASIS Record ID - 31792
  • Print Date: 11/26/2024

    • 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: 37.1367583
  • Std. Longitude: -91.0925222
  • 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: SAV,DMM,RLT,JAW
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous, subactive, mesic Typic Paleudults
  • 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 - 15 to 100 cm.
  • Classificaton Date - 3/7/2011
  • 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: 22 Cation exchange capacity to clay ratio and 23 Strongly contrasting textural stratification (depth in inches)


    • SITE

  • Parent Material: residuum and/or slope alluvium
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • 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

    0—15

    15—152

    58—

    —-

    —-

    —-
    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

    18

    —

    —

    274

    —

    275

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 15 centimeters (0.0 to 5.9 inches); brown (10YR 5/3) extremely gravelly loam; weak fine granular structure; friable; 3.0 fine and medium roots and 0.9 coarse roots; 7.0 fine interstitial and tubular pores; 3 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments and 75 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU054538
    Bt1—15 to 30 centimeters (5.9 to 11.8 inches); pale brown (10YR 6/3) very gravelly silt loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots and 0.9 coarse roots; 3.0 fine interstitial and tubular pores; 35 percent faint brown (10YR 5/3), moist, clay films on faces of peds and 35 percent prominent grayish brown (10YR 5/2), moist, organic stains in root channels and/or pores; 50 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # MU054539
    Bt2—30 to 43 centimeters (11.8 to 16.9 inches); pale brown (10YR 6/3) extremely gravelly silt loam; moderate fine subangular blocky structure; firm; 0.9 fine to coarse roots; 3.0 fine and medium tubular pores; 15 percent faint yellowish brown (10YR 5/4), moist, clay films on faces of peds; 5 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments and 70 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU054540
    Bt3—43 to 58 centimeters (16.9 to 22.8 inches); 50 percent brown (7.5YR 5/4) and 50 percent yellowish red (5YR 5/6) extremely gravelly loam; moderate fine subangular blocky structure; firm; 0.9 fine to coarse roots; 3.0 fine interstitial and tubular pores; 35 percent distinct yellowish red (5YR 5/6), moist, clay films on faces of peds and 35 percent prominent red (2.5YR 5/6), moist, clay films on rock fragments; 3 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 65 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU054541
    2Bt4—58 to 76 centimeters (22.8 to 29.9 inches); red (2.5YR 4/6) gravelly clay; moderate very fine and fine angular blocky structure; firm; 0.9 fine and medium roots; 0.9 fine interstitial and tubular pores; 35 percent distinct dark yellowish brown (10YR 4/6), moist, clay films on faces of peds and 75 percent distinct yellowish red (5YR 5/6), moist, clay films on rock fragments; 20 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; abrupt smooth boundary. Lab sample # MU054542
    2Bt5—76 to 130 centimeters (29.9 to 51.2 inches); 80 percent red (2.5YR 4/6) and 20 percent brownish yellow (10YR 6/6) clay; moderate medium prismatic parts to strong very fine angular blocky structure; very firm; 0.1 fine roots; 3.0 very fine tubular pores; 35 percent distinct red (10R 4/6), moist, clay films on rock fragments and 75 percent distinct yellowish red (5YR 4/6), moist, clay films on faces of peds; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU054543
    2Bt6—130 to 152 centimeters (51.2 to 59.8 inches); 60 percent yellow (10YR 7/6) and 30 percent red (2.5YR 4/6) and 10 percent white (10YR 8/1) clay; moderate medium prismatic parts to strong fine angular blocky structure; very firm; 0.1 very fine roots; 0.1 fine interstitial and tubular pores; 15 percent prominent brownish yellow (10YR 6/8), moist, clay films on faces of peds and 35 percent prominent brown (7.5YR 4/4), moist, clay films on faces of peds; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.6, hellige-truog. Lab sample # MU054544