IDENTIFIERS

  • Current Taxon Name (Soil Name): Topazmill
  • OSD
  • Series Extent
  • User Site ID: 1995MO067062M
  • User Pedon ID: 1995MO067062
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9506711
  • Print Date: 4/28/2025
  • 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: 37.0011389
  • Std. Longitude: -92.6519444
  • Datum: WGS84
  • Country: US—United States
  • State: Missouri
  • County: MO067—Douglas
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO067—Douglas County, Missouri
  • 7.5 Minute USGS Quad: 37092-A6—Cedar Gap, Missouri
  • PEDON

  • Describers Name: G S Sturdevant, B Shields
  • Current Taxonomic Class: Fine-loamy, mixed, semiactive, mesic Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 62
  • Correlated Information:
  • Soil Name - Topazmill
  • PSC - 23 to 73 cm.
  • Classificaton Date - 2/1/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Britwater
  • Taxonomic Class - Fine-loamy, mixed, active, mesic Typic Paleudalfs
  • Taxon Kind - series
  • Classificaton Date - 12/24/2008
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loamy slope alluvium derived from igneous, metamorphic and sedimentary rock
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: base slope
  • Hill Slope Profile: toeslope
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Jefferson City Dolomite formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/24/2008 (actual site observation date)
  • Air Photo ID: 37092a6
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • 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

    ochric epipedon

    albic horizon

    argillic horizon

    0—10

    10—23

    23—203

    —10—

    —13—

    —180—

    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

    2

    383.4

    339

    Ap—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2) loam; 39 percent silt; 9 percent clay; moderate fine granular, and moderate very fine granular structure; friable; 0.5 medium roots throughout and 0.5 fine roots throughout; 5 percent by volume nonflat angular indurated 2-?-75 millimeter unspecified fragments; abrupt smooth boundary. Lab sample # MU052819; observed in pit, small
    E—10 to 23 centimeters (3.9 to 9.1 inches); brown (10YR 4/3) fine sandy loam; 40 percent silt; 8 percent clay; weak fine granular structure; friable; 3.0 medium roots throughout and 3.0 fine roots throughout; 5 percent by volume nonflat angular indurated 2-?-75 millimeter unspecified fragments; clear smooth boundary. Lab sample # MU052820; observed in pit, small
    Bt1—23 to 51 centimeters (9.1 to 20.1 inches); strong brown (7.5YR 5/6) loam; 35 percent silt; 20 percent clay; weak very fine subangular blocky, and weak fine subangular blocky structure; firm; 3.0 medium roots throughout and 3.0 fine roots throughout; 20 percent faint clay films on all faces of peds; 10 percent by volume nonflat angular indurated 2-?-75 millimeter unspecified fragments; gradual smooth boundary. Lab sample # MU052821; observed in pit, small
    Bt2—51 to 76 centimeters (20.1 to 29.9 inches); strong brown (7.5YR 5/6) loam; 29 percent silt; 21 percent clay; weak fine subangular blocky, and weak very fine subangular blocky structure; firm; 0.5 medium roots throughout and 0.5 fine roots throughout; 30 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; 10 percent by volume nonflat angular indurated 2-?-75 millimeter unspecified fragments; clear smooth boundary. Lab sample # MU052822; observed in pit, small
    Bt3—76 to 112 centimeters (29.9 to 44.1 inches); strong brown (7.5YR 5/6) gravelly loam; 29 percent silt; 20 percent clay; weak fine subangular blocky structure; firm; 0.5 medium roots between peds and 0.5 fine roots between peds; 40 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; 15 percent by volume nonflat angular indurated 2-?-75 millimeter unspecified fragments; abrupt smooth boundary. Lab sample # MU052823; observed in pit, small
    Bt4—112 to 152 centimeters (44.1 to 59.8 inches); strong brown (7.5YR 5/6) very gravelly loam; 35 percent silt; 26 percent clay; weak fine subangular blocky structure; firm; 40 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; 10 percent by volume nonflat subangular indurated 75-?-250 millimeter unspecified fragments and 30 percent by volume nonflat subangular indurated 2-?-75 millimeter unspecified fragments; clear smooth boundary. Lab sample # MU052824; observed in pit, small
    Bt5—152 to 203 centimeters (59.8 to 79.9 inches); brown (7.5YR 5/4) extremely gravelly sandy clay loam; 22 percent silt; 22 percent clay; weak fine subangular blocky structure; firm; 40 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; 15 percent by volume nonflat subrounded indurated 75-?-250 millimeter unspecified fragments and 50 percent by volume nonflat subrounded indurated 2-?-75 millimeter unspecified fragments. Lab sample # MU052825; observed in pit, small