IDENTIFIERS

  • Current Taxon Name (Soil Name): Alred
  • OSD
  • Series Extent
  • User Site ID: 2007MO179010M
  • User Pedon ID: 2007MO179010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0717910
  • Print Date: 9/24/2024

    • 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: 37.5479306
  • Std. Longitude: -90.8472000
  • Datum: WGS84
  • Township: T33N
  • Range: R2E
  • Section: 8
  • PLSS Details: 1286 feet W and 250 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
  • Current Taxonomic Class: Loamy-skeletal, siliceous, superactive, mesic Humic Dystrudepts
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 10
  • Sampled As Information:
  • Soil Name - Alred
  • Taxonomic Class - Loamy-skeletal, siliceous, superactive, mesic Humic Dystrudepts
  • Taxon Kind - series
  • PSC - 53 to 130 cm.
  • Classificaton Date - 1/23/2007
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: silty alluvium derived from mixed over sandy alluvium derived from igneous and sedimentary rock over sandy and gravelly alluvium derived from igneous and sedimentary rock
  • Landscape: river valley
  • Landform: terrace
  • Geomorphic Component Terraces: tread
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: very low
  • Drainage Class: excessively
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Bonneterre Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/23/2007 (actual site observation date)
  • Air Photo ID: 37090e7sw
  • Surface Water Kind: none observed
  • 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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    umbric epipedon

    cambic horizon

    argillic horizon

    28—46

    46—76

    152—203

    —18—

    —30—

    —51—
    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

    1

    —

    —

    260.9

    —

    80

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); brown (10YR 4/3) rubbed silt loam; moderate medium subangular blocky structure; loose; 0.5 medium roots throughout and 0.5 fine roots throughout; 10.0 fine moderate-continuity tubular 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 indurated 2-?-75 millimeter chert fragments; abrupt smooth boundary. Lab sample # MU000138; observed in pit, small
    2C1—20 to 28 centimeters (7.9 to 11.0 inches); brown (7.5YR 4/4) interior loamy coarse sand; single grain; loose; 0.5 fine roots throughout; 10.0 fine moderate-continuity interstitial pores; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 10 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; abrupt smooth boundary. Lab sample # MU000139; observed in pit, small
    3Ab—28 to 46 centimeters (11.0 to 18.1 inches); 50 percent very dark brown (10YR 2/2) interior and 50 percent black (10YR 2/1) interior gravelly loam; moderate medium subangular blocky structure; firm; 0.5 very coarse roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 10.0 medium moderate-continuity tubular and 10.0 fine moderate-continuity tubular pores; 20 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU000140; observed in pit, small
    3Bw1—46 to 76 centimeters (18.1 to 29.9 inches); brown (7.5YR 4/4) interior very gravelly loam; moderate medium subangular blocky structure; firm; 3.0 medium roots throughout and 3.0 fine roots throughout and 0.5 coarse roots throughout; 10.0 fine moderate-continuity tubular pores; 35 percent prominent very dark grayish brown (10YR 3/2), moist, organic stains on surfaces along root channels; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 10 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 wavy boundary. Lab sample # MU000141; observed in pit, small
    4C2—76 to 112 centimeters (29.9 to 44.1 inches); brown (7.5YR 4/4) interior extremely gravelly coarse sand; single grain; loose; 0.5 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 3.0 medium moderate-continuity tubular and 3.0 fine moderate-continuity tubular pores; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 15 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 45 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU000142; observed in pit, small
    4C3—112 to 152 centimeters (44.1 to 59.8 inches); strong brown (7.5YR 4/6) interior extremely gravelly coarse sand; single grain; loose; 0.5 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 0.5 medium moderate-continuity tubular and 0.5 fine moderate-continuity tubular and 0.5 coarse moderate-continuity tubular pores; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subrounded strongly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 4 percent by volume nonflat subrounded indurated 75-?-250 millimeter chert fragments and 5 percent by volume nonflat subrounded indurated 2-?-75 millimeter rhyolite fragments and 15 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 50 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU000143; observed in pit, small
    5Bt1—152 to 203 centimeters (59.8 to 79.9 inches); reddish brown (5YR 4/4) interior extremely gravelly sandy clay loam; moderate fine subangular blocky structure; firm; 0.5 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 10.0 medium moderate-continuity tubular and 10.0 fine moderate-continuity tubular pores; 35 percent faint reddish brown (5YR 4/4), moist, clay films on rock fragments; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subrounded strongly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 5 percent by volume nonflat subrounded indurated 75-?-250 millimeter chert fragments and 10 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter sandstone, unspecified fragments and 50 percent by volume nonflat subrounded indurated 2-?-75 millimeter chert fragments. Lab sample # MU000144; observed in pit, small