IDENTIFIERS

  • Current Taxon Name (Soil Name): MARION
  • OSD
  • Series Extent
  • User Site ID: 2007MO139066
  • User Pedon ID: 2007MO139066
  • Vegetation Plot ID: 2007MO139066
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0713966
  • NCSS Pedon Lab Data NASIS Record ID - 25748
  • Print Date: 12/17/2024
  • 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: 38.8660000
  • Std. Longitude: -91.5353889
  • Datum: WGS84
  • Township: T47N
  • Range: R6W
  • Section: 1
  • PLSS Details: 2,283 feet West and 706 feet North from the South East corner
  • Country: US—United States
  • State: Missouri
  • County: MO139—Montgomery
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: MO603—Montgomery and Warren Counties, Missouri
  • 7.5 Minute USGS Quad: 38091-G5—Americus, Missouri
  • PEDON

  • Describers Name: John Horton, Dennis Meinert, Keith Knelle
  • Current Taxonomic Class: Fine, smectitic, superactive, mesic Chromic Vertic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 66
  • Sampled As Information:
  • Soil Name - MARION
  • Taxonomic Class - Fine, smectitic, superactive, mesic Chromic Vertic Hapludalfs
  • PSC - 25 to 75 cm.
  • Classificaton Date - 8/9/2007
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/9/2007 (actual site observation date)
  • Air Photo ID: 38091g5ne
  • 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
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    FESTU

    SOLID

    Festuca

    Solidago

    fescue

    goldenrod

    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    abrupt textural change

    25 -

    - 1 -

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

    ochric epipedon

    argillic horizon

    abrupt textural change

    0—25

    25—204

    25—

    —25—

    —179—

    —1—

    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

    0.5

    246.9

    150

    Ap—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2) broken face, light brownish gray (10YR 6/2) broken face, dry; silt loam; weak fine subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 medium tubular and 3.0 fine tubular pores; 35 percent prominent very dark gray (10YR 3/1), moist, organic stains on all faces of peds; fragments; clear smooth boundary. Lab sample # MU004620; observed in pit, small
    E—10 to 25 centimeters (3.9 to 9.8 inches); dark grayish brown (10YR 4/2) broken face silt loam; weak fine subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 medium tubular and 3.0 fine tubular pores; 12 percent prominent light gray (10YR 7/2), moist, silt coats on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU004621; observed in pit, small
    Bt1—25 to 71 centimeters (9.8 to 28.0 inches); brown (10YR 5/3) broken face silty clay; moderate medium subangular blocky structure; firm; 0.5 fine roots throughout; 3.0 fine tubular pores; 35 percent distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented reddish brown (5YR 4/3), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary.; observed in pit, small
    2Bt2—71 to 104 centimeters (28.0 to 40.9 inches); brown (10YR 4/3) broken face silty clay loam; moderate medium subangular blocky structure; firm; 0.5 fine roots throughout; 0.5 fine tubular pores; 35 percent distinct brown (10YR 4/3), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented very dark gray (10YR 3/1), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary. Lab sample # MU004623; observed in pit, small
    2Btg1—104 to 136 centimeters (40.9 to 53.5 inches); grayish brown (10YR 5/2) broken face silt loam; weak fine subangular blocky, and weak fine prismatic structure; friable; 0.5 fine roots throughout; 3.0 fine tubular pores; 12 percent faint dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary. Lab sample # MU004624; observed in pit, small
    2Btg2—136 to 166 centimeters (53.5 to 65.4 inches); grayish brown (10YR 5/2) broken face silty clay loam; weak fine and medium subangular blocky structure; firm; 0.5 medium tubular and 0.5 fine tubular pores; 12 percent faint grayish brown (10YR 5/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented very dark gray (10YR 3/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented brown (7.5YR 4/4), moist, iron depletions with clear boundaries in matrix; fragments; abrupt smooth boundary. Lab sample # MU004625; observed in pit, small
    3Btg3—166 to 204 centimeters (65.4 to 80.3 inches); gray (N 6/0) broken face clay; strong medium angular blocky, and moderate medium prismatic structure; very firm; 3.0 fine tubular pores; 35 percent prominent gray (N 6/0), moist, pressure faces on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark red (2.5YR 3/6), moist, iron depletions with clear boundaries in matrix; fragments.; observed in pit, small