IDENTIFIERS

  • Current Taxon Name (Soil Name): Sonsac
  • OSD
  • Series Extent
  • User Site ID: 2007MO135019
  • User Pedon ID: 2007MO135019
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0713519
  • NCSS Pedon Lab Data NASIS Record ID - 26144
  • Print Date: 1/31/2025

    • 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: 38.6357222
  • Std. Longitude: -92.5132500
  • Datum: WGS84
  • Township: T45N
  • Range: R15W
  • Section: 24
  • PLSS Details: 1735 feet W and 1008 feet N of the SE corner
  • Country: US—United States
  • State: Missouri
  • County: MO135—Moniteau
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: MO135—Moniteau County, Missouri
  • 7.5 Minute USGS Quad: 38092-F5—California North, Missouri

    • PEDON

  • Describers Name: Greg Caldwell, Craig Chatfield, Aaron Woods
  • Current Taxonomic Class: Clayey-skeletal, mixed, active, mesic Typic 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 #: 19
  • Sampled As Information:
  • Soil Name - Sonsac
  • Taxonomic Class - Clayey-skeletal, mixed, active, mesic Typic Hapludalfs
  • Taxon Kind - series
  • PSC - 28 to 79 cm.
  • Classificaton Date - 12/18/2007
  • 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: Holocene Stage fine-silty loess derived from mixed over Jefferson City Dolomite gravelly residuum weathered from dolomite
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: crest
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: negligible
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Jefferson City Dolomite formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/18/2007 (actual site observation date)
  • Air Photo ID: 38092f5se
  • 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 Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    —

    102 -

    - 1 -

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

    ochric epipedon

    argillic horizon

    lithic contact

    0—15

    28—102

    102—

    —15—

    —74—

    —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

    14

    —

    —

    241.7

    —

    180

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2) broken face silt loam; weak fine subangular blocky structure; friable; 0.5 very fine roots throughout; 5 percent by volume nonflat noncoherent cemented 2-?-75 millimeter unspecified fragments; abrupt smooth boundary. Lab sample # MU007412; observed in pit, small
    AE—15 to 28 centimeters (5.9 to 11.0 inches); yellowish brown (10YR 5/6) broken face silt loam; weak fine subangular blocky structure; friable; 0.5 very fine roots throughout; 35 percent faint grayish brown (10YR 5/2), 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 and 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; 10 percent by volume nonflat noncoherent cemented 2-?-5 millimeter unspecified fragments; abrupt wavy boundary. Lab sample # MU007413; observed in pit, small
    Bt1—28 to 53 centimeters (11.0 to 20.9 inches); brown (7.5YR 4/4) broken face extremely gravelly clay; moderate medium subangular blocky, and weak fine prismatic structure; firm; 0.5 very fine roots throughout and 0.5 medium roots throughout; 12 percent faint grayish brown (10YR 5/2), moist, silt coats on all faces of peds and 35 percent faint 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 iron depletions with clear boundaries in matrix; 2 percent by volume nonflat noncoherent cemented 75-?-250 millimeter unspecified fragments and 70 percent by volume nonflat noncoherent cemented 20-?-75 millimeter unspecified fragments; abrupt wavy boundary. Lab sample # MU007414; observed in pit, small
    2Bt2—53 to 74 centimeters (20.9 to 29.1 inches); yellowish red (5YR 4/6) broken face extremely gravelly clay; moderate medium subangular blocky, and weak fine prismatic structure; firm; 0.5 very fine roots throughout; 12 percent faint grayish brown (10YR 5/2), moist, silt coats on all faces of peds and 35 percent faint clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented red (2.5YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; 30 percent by volume nonflat noncoherent cemented 75-?-250 millimeter unspecified fragments and 50 percent by volume nonflat noncoherent cemented 20-?-75 millimeter unspecified fragments; abrupt smooth boundary. Lab sample # MU007415; observed in pit, small
    2Bt3—74 to 102 centimeters (29.1 to 40.2 inches); yellowish red (5YR 4/6) broken face clay; massive, and weak fine prismatic; firm; 0.5 very fine roots throughout; 35 percent faint clay films on all faces of peds and 35 percent faint pressure faces on all faces of peds; 1 percent medium faint irregular noncoherent cemented red (2.5YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; 30 percent by volume nonflat noncoherent cemented 2-?-5 millimeter unspecified fragments. Lab sample # MU007416; observed in pit, small
    R—102 to 102 centimeters (40.2 to 40.2 inches); bedrock; fragments.; observed in pit, small