IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1999MO203033M
  • User Pedon ID: 1999MO203033M
  • User Site Association ID: 8604
  • Transect:
  • User Transect ID - shannon-68F4
  • Transect Stop Number - 11
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9961333
  • NCSS Pedon Lab Data NASIS Record ID - 31530
  • Print Date: 2/17/2025

    • LOCATION

  • Map Unit: 99001—Water
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-B4—Alley Spring, Missouri

    • PEDON

  • Describers Name: JF, DMM
  • 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 - 30 to 100 cm.
  • Classificaton Date - 3/8/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Alred
  • Taxonomic Class - Loamy-skeletal over clayey, siliceous, semiactive, mesic Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 30 to 100 cm.
  • Classificaton Date - 2/25/1999
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium derived from limestone and sandstone over residuum weathered from dolomite
  • Landscape: hills
  • Landform: valley side
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Runoff: low
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/25/1999 (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—15

    30—203

    53—

    —-

    —-

    —-
    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

    25

    —

    —

    287

    —

    150

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    AE—0 to 15 centimeters (0.0 to 5.9 inches); 70 percent grayish brown (10YR 5/2) and 30 percent pale brown (10YR 6/3) very gravelly loam; weak medium granular structure; friable; 7.0 very fine and fine roots and 3.0 medium and coarse roots; 7.0 fine interstitial and tubular pores; 5 percent by volume 75-162-250 millimeter sandstone, unspecified fragments and 5 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 10 percent by volume 2-39-75 millimeter sandstone, unspecified fragments and 25 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU063883
    E—15 to 30 centimeters (5.9 to 11.8 inches); light yellowish brown (10YR 6/4) very gravelly loam; weak fine subangular blocky parts to weak fine granular structure; friable; 7.0 very fine to medium roots and 3.0 very coarse roots; 3.0 fine and medium tubular pores; 35 percent distinct dark grayish brown (10YR 4/2), moist, organic stains on faces of peds; 5 percent by volume subangular sandstone, unspecified fragments and 10 percent by volume angular sandstone, unspecified fragments and 30 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU063884
    Bt1—30 to 53 centimeters (11.8 to 20.9 inches); light yellowish brown (10YR 6/4) very gravelly loam; weak medium subangular blocky structure; friable; 0.9 fine and medium roots; 3.0 fine and medium tubular pores; 15 percent faint yellowish brown (10YR 5/4), moist, clay films on faces of peds and 15 percent faint very pale brown (10YR 7/3), moist, silt coats on rock fragments; 10 percent by volume angular sandstone, unspecified fragments and 40 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU063885
    2Bt2—53 to 81 centimeters (20.9 to 31.9 inches); 60 percent red (2.5YR 5/8) and 40 percent yellowish red (5YR 5/8) gravelly clay; moderate medium subangular blocky structure; firm; 0.1 fine and medium roots; 3.0 fine tubular and 0.9 fine vesicular pores; 15 percent prominent light brown (7.5YR 6/3) silt coats on faces of peds and 35 percent faint red (2.5YR 5/6), moist, clay films on faces of peds; 5 percent by volume 75-162-250 millimeter sandstone, unspecified fragments and 10 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU063886
    2Bt3—81 to 109 centimeters (31.9 to 42.9 inches); red (2.5YR 5/6) clay; strong medium subangular blocky structure; firm; 0.1 fine and medium roots; 3.0 fine tubular pores; 15 percent prominent light brown (7.5YR 6/4), moist, silt coats on faces of peds and 35 percent faint red (2.5YR 4/6), moist, clay films on all faces of peds; 10 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # MU063887
    2Bt4—109 to 137 centimeters (42.9 to 53.9 inches); 80 percent red (2.5YR 4/8) and 20 percent reddish yellow (7.5YR 6/8) clay; moderate medium subangular blocky parts to moderate fine subangular blocky structure; firm; 0.1 very fine and fine roots; 3.0 fine tubular pores; 35 percent faint red (2.5YR 4/6), moist, clay films on faces of peds; 10 percent by volume angular sandstone, unspecified fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # MU063888
    2Bt5—137 to 165 centimeters (53.9 to 65.0 inches); 90 percent red (2.5YR 4/8) and 10 percent reddish yellow (7.5YR 6/8) gravelly clay; moderate medium subangular blocky parts to moderate fine angular blocky structure; firm; 0.9 very fine and fine roots; 3.0 fine tubular pores; 15 percent prominent brown (7.5YR 5/4), moist, clay films on rock fragments and 35 percent faint red (2.5YR 4/6), moist, clay films on all faces of peds; 5 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments and 20 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; gradual wavy boundary. Lab sample # MU063889
    2Bt6—165 to 203 centimeters (65.0 to 79.9 inches); 60 percent red (2.5YR 4/8) and 40 percent strong brown (7.5YR 5/6) clay; moderate medium subangular blocky parts to moderate fine angular blocky structure; firm; 0.9 very fine and fine roots; 3.0 fine tubular pores; 15 percent distinct yellowish red (5YR 5/6), moist, clay films on all faces of peds and 35 percent faint red (2.5YR 4/6), moist, clay films on all faces of peds; fragments. Lab sample # MU063890