IDENTIFIERS

  • Current Taxon Name (Soil Name): Plato
  • OSD
  • Series Extent
  • User Site ID: 1994MO125001S
  • User Pedon ID: 1994MO125001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 95P0336
  • Print Date: 9/24/2024

    • 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: 38.2466660
  • Std. Longitude: -91.8658371
  • Datum: WGS84
  • Township: T41N
  • Range: R9W
  • Section: 36
  • PLSS Details: 200 feet N and 100 feet W of the SE corner
  • State: Missouri
  • County: MO125—Maries
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO125—Maries County, Missouri
  • 7.5 Minute USGS Quad: 38091-B7—Paydown, Missouri

    • PEDON

  • Current Taxonomic Class: Fine, mixed Aquic Fragiudalfs
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Plato
  • Taxonomic Class - Fine, mixed Aquic Fragiudalfs
  • Taxon Kind - series
  • PSC - 25 to 75 cm.
  • Classificaton Date - 4/28/1994
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess derived from mixed
  • Landscape: hills
  • Landform: ridge
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/28/1994 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    1

    —

    —

    261

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); grayish brown (10YR 5/2) interior silt loam; moderate fine granular structure; friable; 3.0 very fine and fine roots throughout; fragments; moderately alkaline, pH 8.1, hellige-truog; abrupt smooth boundary. Lab sample # 95P02615. All fragments throughout this pedon are chert.
    E—15 to 25 centimeters (5.9 to 9.8 inches); pale brown (10YR 6/3) interior silt loam; moderate thin platy parts to moderate fine subangular blocky structure; friable; 3.0 very fine and fine roots throughout; fragments; moderately alkaline, pH 8.1, hellige-truog; clear smooth boundary. Lab sample # 95P02616
    Bt1—25 to 36 centimeters (9.8 to 14.2 inches); 65 percent yellowish brown (10YR 5/4) interior and 35 percent pale brown (10YR 6/3) interior silty clay loam; moderate fine subangular blocky structure; friable; 0.5 very fine and fine roots throughout; 10 percent distinct clay films on faces of peds; fragments; extremely acid, pH 4.0, hellige-truog; clear smooth boundary. Lab sample # 95P02617. discontinuous - phpvsfiid 194362; discontinuous - phpvsfiid 194362
    Bt2—36 to 51 centimeters (14.2 to 20.1 inches); dark yellowish brown (10YR 4/4) interior silty clay; moderate medium prismatic parts to moderate fine subangular blocky structure; firm; 0.5 very fine roots throughout; 30 percent prominent clay films on faces of peds; fragments; extremely acid, pH 4.0, hellige-truog; gradual smooth boundary. Lab sample # 95P02618. discontinuous - phpvsfiid 194363; discontinuous - phpvsfiid 194363
    Bt3—51 to 64 centimeters (20.1 to 25.2 inches); 95 percent dark yellowish brown (10YR 4/4) interior silty clay loam; 3 percent dark grayish brown (10YR 4/2) fine distinct irregular mottles; moderate fine prismatic parts to weak medium subangular blocky structure; firm; 0.5 very fine roots throughout; 30 percent distinct clay films on faces of peds; fragments; extremely acid, pH 4.0, hellige-truog; clear smooth boundary. Lab sample # 95P02619. discontinuous - phpvsfiid 194364; discontinuous - phpvsfiid 194364
    Bt4—64 to 79 centimeters (25.2 to 31.1 inches); 90 percent dark yellowish brown (10YR 4/4) interior silty clay loam; 3 percent grayish brown (10YR 5/2) fine distinct irregular mottles; weak medium prismatic parts to weak medium angular blocky structure; firm; 0.5 very fine roots in cracks; 30 percent distinct clay films on faces of peds; fragments; extremely acid, pH 4.0, hellige-truog; clear smooth boundary. Lab sample # 95P02620. discontinuous - phpvsfiid 194365; discontinuous - phpvsfiid 194365
    2Btx1—79 to 94 centimeters (31.1 to 37.0 inches); 80 percent dark yellowish brown (10YR 4/4) interior silt loam; 3 percent grayish brown (10YR 5/2) fine distinct cylindrical mottles; moderate very coarse prismatic parts to weak medium platy structure; very firm; 0.5 very fine roots in cracks; 10 percent faint clay films on faces of peds and 10 percent prominent manganese or iron-manganese stains on faces of peds; fragments; extremely acid, pH 4.0, hellige-truog; clear smooth boundary. Lab sample # 95P02621. discontinuous - phpvsfiid 194366; discontinuous - phpvsfiid 194367; discontinuous - phpvsfiid 194366; discontinuous - phpvsfiid 194367
    2Btx2—94 to 114 centimeters (37.0 to 44.9 inches); 80 percent yellowish brown (10YR 5/4) interior silt loam; 3 percent light brownish gray (10YR 6/2) fine distinct cylindrical mottles; moderate very coarse prismatic structure; extremely firm*; 0.5 very fine roots in cracks; 10 percent faint clay films on faces of peds and 10 percent prominent manganese or iron-manganese stains on faces of peds; 5 percent by volume subrounded 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.0, hellige-truog; clear smooth boundary. Lab sample # 95P02622. discontinuous - phpvsfiid 194368; discontinuous - phpvsfiid 194369; discontinuous - phpvsfiid 194368; discontinuous - phpvsfiid 194369
    2Btx3—114 to 132 centimeters (44.9 to 52.0 inches); 90 percent light brownish gray (10YR 6/2) interior extremely gravelly silt loam; 3 percent pale brown (10YR 6/3) fine faint irregular and 3 percent yellowish brown (10YR 5/8) fine prominent threadlike mottles; moderate very coarse prismatic structure; extremely firm*; 0.5 very fine roots in cracks; 10 percent distinct clay films on faces of peds; 70 percent by volume subrounded 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # 95P02623. discontinuous - phpvsfiid 194370; discontinuous - phpvsfiid 194370
    2Btx4—132 to 147 centimeters (52.0 to 57.9 inches); light brownish gray (10YR 6/2) interior extremely gravelly silt loam; moderate very coarse prismatic structure; extremely firm*; 0.5 very fine roots in cracks; 10 percent distinct clay films on faces of peds; 65 percent by volume subrounded 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # 95P02624. discontinuous - phpvsfiid 194371; discontinuous - phpvsfiid 194371
    3Bt5—147 to 163 centimeters (57.9 to 64.2 inches); 70 percent yellowish red (5YR 4/6) interior very gravelly silty clay loam; 21 percent very pale brown (10YR 7/3) fine prominent irregular mottles; moderate very coarse prismatic parts to moderate medium angular blocky structure; very firm; 30 percent prominent manganese or iron-manganese stains on faces of peds and 30 percent prominent clay films on faces of peds; 36 percent by volume subrounded 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary. Lab sample # 95P02625. continuous - phpvsfiid 194372; discontinuous - phpvsfiid 181770; continuous - phpvsfiid 194372; discontinuous - phpvsfiid 181770
    3Bt6—163 to 203 centimeters (64.2 to 79.9 inches); 60 percent dark red (2.5YR 3/6) interior gravelly silty clay; 21 percent pale brown (10YR 6/3) medium prominent irregular mottles; moderate fine angular blocky structure; very firm; 30 percent prominent clay films on faces of peds; 30 percent by volume subrounded 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.3, hellige-truog. Lab sample # 95P02626. continuous - phpvsfiid 181771; continuous - phpvsfiid 181771