IDENTIFIERS

  • Current Taxon Name (Soil Name): Tilk
  • OSD
  • Series Extent
  • User Site ID: 2006MO179012M
  • User Pedon ID: 2006MO179012
  • Vegetation Plot ID: 2006MO179012
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0617912
  • Print Date: 6/3/2024
  • 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: 37.5488056
  • Std. Longitude: -90.8477972
  • Datum: WGS84
  • Township: T33N
  • Range: R2E
  • Section: 8
  • PLSS Details: 1466 feet W and 565 feet N of the SE corner
  • Country: US—United States
  • State: Missouri
  • County: MO179—Reynolds
  • MLRA: 116C—St. Francois Knobs and Basins
  • Non-MLRA Soil Survey Area: MO179—Reynolds County, Missouri
  • 7.5 Minute USGS Quad: 37090-E7—Johnson Shut-ins, Missouri
  • PEDON

  • Describers Name: Leon Thompson, Jennifer Pellett, Dennis Meinert
  • Current Taxonomic Class: Loamy-skeletal, siliceous, semiactive, mesic Ultic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 12
  • Correlated Information:
  • Soil Name - Tilk
  • PSC - 30 to 80 cm.
  • Classificaton Date - 7/23/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Tilk
  • Taxon Kind - series
  • PSC - 30 to 80 cm.
  • Classificaton Date - 12/14/2006
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: sandy alluvium derived from mixed over loamy alluvium derived from limestone and sandstone over sandy and gravelly alluvium derived from igneous and sedimentary rock
  • Landscape: river valley
  • Landform: terrace
  • Geomorphic Component Hills: base slope
  • Geomorphic Component Terraces: tread
  • Hill Slope Profile: toeslope
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: very low
  • Drainage Class: somewhat excessively
  • Flooding: very rare flooding for extremely brief periods
  • Ponding: none ponding
  • Geology: Bonneterre Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/14/2006 (actual site observation date)
  • Air Photo ID: 37090e7sw
  • Surface Water Kind: flooded
  • Surface Water Depth: 15
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion sheet
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    POPR

    TRIFO

    Poa pratensis

    Trifolium

    Kentucky bluegrass

    clover

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

    ochric epipedon

    argillic horizon

    cambic horizon

    0—30

    30—56

    94—178

    —30—

    —26—

    —84—

    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

    3

    260.9

    35

    Ap—0 to 15 centimeters (0.0 to 5.9 inches); 40 percent dark brown (10YR 3/3) rubbed and 40 percent dark yellowish brown (10YR 4/4) rubbed and 20 percent very pale brown (10YR 7/3) rubbed coarse sandy loam; weak fine subangular blocky structure; very friable; 10.0 medium roots throughout and 10.0 fine roots throughout; 10.0 fine interstitial pores; 2 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; abrupt smooth boundary. Lab sample # MU007365; observed in pit, small
    2A—15 to 30 centimeters (5.9 to 11.8 inches); dark brown (10YR 3/3) interior gravelly loam; weak fine subangular blocky structure; friable; 10.0 medium roots throughout and 10.0 fine roots throughout and 0.5 coarse roots throughout; 10.0 fine tubular pores; 2 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 25 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU007366; observed in pit, small
    2Bt1—30 to 56 centimeters (11.8 to 22.0 inches); 50 percent brown (7.5YR 4/3) interior and 50 percent brown (7.5YR 4/4) interior gravelly loam; moderate medium subangular blocky structure; friable; 3.0 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 10.0 fine tubular pores; 12 percent faint brown (7.5YR 4/3), moist, clay films on rock fragments and 20 percent distinct dark grayish brown (10YR 4/2), moist, organic stains on all faces of peds; 2 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 18 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU007367; observed in pit, small
    3C—56 to 94 centimeters (22.0 to 37.0 inches); brown (7.5YR 4/4) interior extremely gravelly loamy coarse sand; single grain; loose; 10.0 fine roots throughout; 0.5 medium tubular and 10.0 medium interstitial and 10.0 fine interstitial pores; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat subrounded very strongly coherent cemented 2-?-75 millimeter rhyolite fragments and 3 percent by volume nonflat subrounded indurated 75-?-250 millimeter chert fragments and 5 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 60 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU007368; observed in pit, small
    4Bwb1—94 to 122 centimeters (37.0 to 48.0 inches); 50 percent brown (7.5YR 4/3) interior and 50 percent brown (7.5YR 4/2) interior extremely gravelly coarse sandy loam; weak fine subangular blocky structure; very friable; 0.5 fine roots throughout; 10.0 medium interstitial and 10.0 fine interstitial pores; 1 percent by volume nonflat subrounded very strongly coherent cemented 2-?-75 millimeter rhyolite fragments and 10 percent by volume nonflat subrounded indurated 75-?-250 millimeter chert fragments and 59 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU007369; observed in pit, small
    5Bwb2—122 to 152 centimeters (48.0 to 59.8 inches); 70 percent brown (7.5YR 4/3) interior and 30 percent brown (7.5YR 4/2) interior extremely gravelly coarse sandy loam; weak fine subangular blocky structure; friable; 0.5 fine roots throughout; 10.0 fine interstitial pores; 1 percent by volume nonflat subrounded indurated 75-?-250 millimeter chert fragments and 65 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU007370; observed in pit, small
    6Bwb3—152 to 178 centimeters (59.8 to 70.1 inches); brown (7.5YR 4/3) interior extremely gravelly coarse sandy loam; weak fine subangular blocky structure; friable; 3.0 fine interstitial pores; 5 percent by volume nonflat subrounded indurated 75-?-250 millimeter chert fragments and 55 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments. Lab sample # MU007371; observed in pit, small