IDENTIFIERS

  • Current Taxon Name (Soil Name): Gravois
  • OSD
  • Series Extent
  • User Site ID: 2007MO135023M
  • User Pedon ID: 2007MO135023
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0713523
  • Print Date: 12/11/2024

    • 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: 38.5331667
  • Std. Longitude: -92.5986389
  • Datum: WGS84
  • Township: T44N
  • Range: R15W
  • Section: 29
  • PLSS Details: 1323 feet E and 29 feet S of the SW corner
  • Country: US—United States
  • State: Missouri
  • County: MO135—Moniteau
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO135—Moniteau County, Missouri
  • 7.5 Minute USGS Quad: 38092-E5—California South, Missouri

    • PEDON

  • Describers Name: Greg Caldwell, Craig Chatfield, Aaron Woods
  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Aquic Paleudalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 23
  • Sampled As Information:
  • Soil Name - Gravois
  • Taxonomic Class - Fine-silty, mixed, active, mesic Aquic Paleudalfs
  • Taxon Kind - series
  • PSC - 36 to 86 cm.
  • Classificaton Date - 1/3/2008
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Holocene Stage fine-silty loess derived from mixed over Jefferson City Dolomite gravelly residuum weathered from dolomite
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Runoff: negligible
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Jefferson City Dolomite formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/3/2008 (actual site observation date)
  • Air Photo ID: 38092e5sw
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion gully
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—15

    36—76

    —15—

    —40—
    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

    22

    —

    —

    241.7

    —

    30

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); brown (10YR 4/3) broken face silt loam; weak fine granular structure; friable; 2 percent by volume nonflat noncoherent cemented 2-?-75 millimeter chert fragments; abrupt smooth boundary. Lab sample # MU003147; observed in pit, small
    E—15 to 36 centimeters (5.9 to 14.2 inches); dark yellowish brown (10YR 4/6) broken face silt loam; weak fine granular structure; friable; 12 percent faint silt coats on all faces of peds; fragments; gradual smooth boundary. Lab sample # MU003148; observed in pit, small
    Bt1—36 to 61 centimeters (14.2 to 24.0 inches); dark yellowish brown (10YR 4/6) broken face silty clay loam; weak fine subangular blocky structure; firm; 12 percent faint light brownish gray (10YR 6/2), moist, silt coats on all faces of peds and 35 percent distinct dark yellowish brown (10YR 4/4), 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; fragments; gradual smooth boundary. Lab sample # MU003149; observed in pit, small
    2Btx1—61 to 76 centimeters (24.0 to 29.9 inches); 70 percent yellowish brown (10YR 5/6) broken face and 30 percent grayish brown (10YR 5/2) broken face very gravelly silt loam; weak fine subangular blocky structure; very firm; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 10 percent by volume nonflat noncoherent cemented 75-?-250 millimeter chert fragments and 60 percent by volume nonflat noncoherent cemented 2-?-75 millimeter chert fragments; abrupt smooth boundary. Lab sample # MU003150; observed in pit, small