IDENTIFIERS

  • Current Taxon Name (Soil Name): Gravois
  • OSD
  • Series Extent
  • User Site ID: 1996MO125031M
  • User Pedon ID: 1996MO125031
  • Transect:
  • Transect Stop Number - 10
  • Transect Interval - 50.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9612531
  • Print Date: 6/3/2024

    • 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: 38.2550355
  • Std. Longitude: -91.8478039
  • Datum: WGS84
  • Location Description: Leonard Shanks, across from pond northwest of his house, 30' sse from lone 10" hickory.
  • State: Missouri
  • County: MO125—Maries
  • MLRA: 116B—Springfield Plain

    • PEDON

  • Describers Name: kod,wak
  • Current Taxonomic Class: Fine-silty, mixed Oxyaquic Paleudalfs
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Gravois
  • Taxonomic Class - Fine-silty, mixed Oxyaquic Paleudalfs
  • Taxon Kind - series
  • PSC - 18 to 68 cm.
  • Classificaton Date - 7/1/1996
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium over pedisediment over residuum
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1996 (actual site observation date)
  • Air Photo ID: 4C
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—18

    18—203

    —-

    —-
    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

    19

    —

    —

    224

    —

    90

    991

    —

    —

    12.8

    —

    —

    13.9

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); dark grayish brown (10YR 4/2) broken face silt loam; weak thin platy parts to moderate very fine subangular blocky structure; friable; 8.0 very fine and fine roots throughout; 3.0 very fine vesicular pores; 4 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # MU055954. 2% mixing of Bt material.
    Bt1—18 to 38 centimeters (7.1 to 15.0 inches); dark yellowish brown (10YR 4/4) broken face silty clay loam; moderate fine subangular blocky structure; firm; 5.0 very fine and fine roots between peds; 4.0 very fine vesicular pores; 20 percent distinct clay films on faces of peds; 1 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.9, hellige-truog; clear smooth boundary. Lab sample # MU055955. 3% mixing of Ap material,; discontinuous - phpvsfiid 145016; discontinuous - phpvsfiid 145016
    Bt2—38 to 51 centimeters (15.0 to 20.1 inches); dark yellowish brown (10YR 4/6) broken face silty clay loam; moderate fine subangular blocky structure; firm; 4.0 very fine and fine roots between peds; 0.8 very fine vesicular pores; 20 percent distinct clay films on faces of peds; 20 percent fine irregular noncoherent cemented brown (10YR 5/3) masses of oxidized iron throughout; 1 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # MU055956. discontinuous - phpvsfiid 145017; discontinuous - phpvsfiid 145017
    Bt3—51 to 79 centimeters (20.1 to 31.1 inches); yellowish brown (10YR 5/6) broken face and light brownish gray (10YR 6/2) broken face silty clay loam; moderate fine prismatic parts to moderate fine subangular blocky structure; firm; 3.0 very fine and fine roots between peds; 0.8 very fine vesicular pores; 60 percent distinct brown (10YR 5/3), moist, clay films on faces of peds; 1 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; gradual smooth boundary. Lab sample # MU055957. continuous - phpvsfiid 145018; continuous - phpvsfiid 145018
    2Btx—79 to 97 centimeters (31.1 to 38.2 inches); brown (7.5YR 4/4) broken face clay loam; 20 percent grayish brown (10YR 5/2) medium prominent threadlike mottles; weak medium prismatic structure; very firm; brittle; 0.8 very fine roots between peds; 4.0 very fine vesicular pores; 2 percent distinct dark brown (7.5YR 3/2), moist, manganese or iron-manganese stains on faces of peds and 20 percent distinct grayish brown (10YR 5/2), moist, clay films on faces of peds; 3 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU055958. 40% moderate brittleness expressed; vertical gray streaks (10YR 5/2).; discontinuous - phpvsfiid 145019; discontinuous - phpvsfiid 145020; discontinuous - phpvsfiid 145019; discontinuous - phpvsfiid 145020
    3Bt4—97 to 124 centimeters (38.2 to 48.8 inches); 70 percent yellowish red (5YR 5/6) broken face and 30 percent light yellowish brown (10YR 6/4) broken face very gravelly clay; weak fine subangular blocky structure; very firm; 0.5 very fine roots between peds; 1.0 very fine vesicular pores; on rock fragments and 5 percent distinct dark brown (7.5YR 3/2), moist, manganese or iron-manganese stains on faces of peds and 20 percent distinct grayish brown (10YR 5/2), moist, clay films on faces of peds; 5 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 40 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; neutral, pH 6.8, hellige-truog; clear smooth boundary. Lab sample # MU055959. 15% moderate brittleness expressed.; discontinuous - phpvsfiid 145021; discontinuous - phpvsfiid 145022; discontinuous - phpvsfiid 145021; discontinuous - phpvsfiid 145022
    4Bt5—124 to 152 centimeters (48.8 to 59.8 inches); 70 percent red (2.5YR 4/6) broken face and 30 percent yellowish brown (10YR 5/6) broken face clay; moderate medium prismatic parts to moderate fine subangular blocky structure; firm; 0.8 very fine vesicular pores; 2 percent distinct dark brown (7.5YR 3/2), moist, manganese or iron-manganese stains throughout and 85 percent prominent clay films on faces of peds; 15 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; slightly alkaline, pH 7.5, hellige-truog; gradual smooth boundary. Lab sample # MU055960. continuous - phpvsfiid 145025; discontinuous - phpvsfiid 145024; continuous - phpvsfiid 145025; discontinuous - phpvsfiid 145024
    4Bt6—152 to 203 centimeters (59.8 to 79.9 inches); red (2.5YR 4/6) broken face clay; weak medium prismatic parts to moderate fine subangular blocky structure; firm; 0.8 very fine vesicular pores; 2 percent distinct dark brown (7.5YR 3/2), moist, manganese or iron-manganese stains throughout and 85 percent prominent clay films on faces of peds; 3 percent fine irregular noncoherent cemented strong brown (7.5YR 5/6) masses of oxidized iron throughout; 3 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; slightly alkaline, pH 7.8, hellige-truog. Lab sample # MU055961. continuous - phpvsfiid 145026; discontinuous - phpvsfiid 145027; continuous - phpvsfiid 145026; discontinuous - phpvsfiid 145027