IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 2012MO067002
  • User Pedon ID: S2012MO067002
  • Vegetation Plot ID: 2012MO067002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 12N8071
  • 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: 36.9972500
  • Std. Longitude: -92.2594167
  • Datum: WGS84
  • Township: T27N
  • Range: R12W
  • Section: 29
  • PLSS Details: 2083 feet W and 1562 feet S of the NE Corner
  • State: Missouri
  • County: MO067—Douglas
  • MLRA: 116A—Ozark Highland
  • 7.5 Minute USGS Quad: 36092-H3—Vanzant, Missouri

    • PEDON

  • Describers Name: Scott Paine, Mark Abney, Katie Philbrick, Tom Dewitt, Gene Campbell, J.R. Perkins
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous, semiactive, mesic Oxyaquic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Poynor
  • PSC - 20 to 100 cm.
  • Classificaton Date - 7/27/2012
  • Sampled As Information:
  • Soil Name - Poynor
  • PSC - 20 to 100 cm.
  • Classificaton Date - 7/25/2012
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: strongly weathered, gravelly colluvium derived from sedimentary rock over strongly weathered, clayey colluvium derived from sedimentary rock
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Geology: Jefferson City Dolomite formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/25/2012 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Current Air Temp - 38
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    AMBRO

    LOAR10

    SYOR

    Ambrosia

    Lolium arundinaceum

    Symphoricarpos orbiculatus

    ragweed

    tall fescue

    coralberry

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    redox depletions with chroma 2 or less

    lithologic discontinuity

    0—35

    35—203

    66—203

    66—203

    —35—

    —168—

    —137—

    —137—
    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

    260

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    337

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    6

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    Ap—0 to 20 centimeters (0.0 to 7.9 inches); brown (10YR 4/3) gravelly silt loam; weak fine subangular blocky parts to weak fine granular structure; very friable; low excavation difficulty; 2.0 very fine roots throughout and 2.0 fine roots throughout; 3.0 very fine interstitial pores; 15 percent by volume nonflat indurated 2-30-75 millimeter chert fragments; gradual smooth boundary. Lab sample # 12N03264; observed in pit, small
    BA—20 to 35 centimeters (7.9 to 13.8 inches); yellowish brown (10YR 5/4) gravelly silt loam; moderate fine subangular blocky structure; friable; moderate excavation difficulty; 2.0 very fine roots throughout and 2.0 fine roots throughout; 2.0 very fine tubular pores; 5 percent by volume nonflat indurated 75-150-250 millimeter chert fragments and 20 percent by volume nonflat indurated 2-30-75 millimeter chert fragments; clear smooth boundary. Lab sample # 12N03265; observed in pit, small
    Bt1—35 to 66 centimeters (13.8 to 26.0 inches); brown (7.5YR 5/4) very gravelly silt loam; moderate thin platy, and moderate fine subangular blocky structure; firm; high excavation difficulty; 1.0 very fine roots throughout; 1.0 very fine tubular pores; 5 percent brown (7.5YR 4/4), moist, clay films and 10 percent brown (10YR 5/3), moist, silt coats; 50 percent by volume nonflat indurated 2-30-75 millimeter chert fragments; clear smooth boundary. Lab sample # 12N03266; observed in pit, small
    2Bt2—66 to 98 centimeters (26.0 to 38.6 inches); red (2.5YR 4/6) gravelly silty clay; moderate coarse prismatic parts to moderate medium angular blocky structure; firm; moderate excavation difficulty; 1.0 very fine roots throughout; 1.0 fine tubular pores; 10 percent brown (7.5YR 5/4), moist, clay films; 30 percent gray (10YR 5/1), moist, clay depletions on vertical faces of peds; 25 percent by volume nonflat indurated 2-30-75 millimeter chert fragments; clear smooth boundary. Lab sample # 12N03267; observed in pit, small
    2Bt3—98 to 124 centimeters (38.6 to 48.8 inches); red (2.5YR 4/6) gravelly clay; moderate medium subangular blocky structure; firm; moderate excavation difficulty; 3.0 very fine tubular pores; 30 percent dark red (2.5YR 3/6), moist, clay films; 30 percent gray (10YR 5/1), moist, clay depletions on vertical faces of peds; 10 percent by volume nonflat indurated 250-400-600 millimeter chert fragments and 20 percent by volume nonflat indurated 2-30-75 millimeter chert fragments; clear smooth boundary. Lab sample # 12N03268; observed in pit, small
    2Bt4—124 to 203 centimeters (48.8 to 79.9 inches); red (2.5YR 4/6) extremely gravelly clay; moderate thick platy parts to moderate medium subangular blocky structure; firm; high excavation difficulty; 2.0 fine tubular pores; 45 percent dark red (2.5YR 3/6), moist, and reddish brown (5YR 4/3), moist, clay films; 10 percent gray (10YR 5/1), moist, clay depletions on vertical faces of peds; 5 percent by volume nonflat indurated 75-150-250 millimeter chert fragments and 65 percent by volume nonflat angular indurated 2-30-75 millimeter chert fragments. Lab sample # 12N03269; observed in pit, small