IDENTIFIERS

  • Current Taxon Name (Soil Name): Gatewood
  • OSD
  • Series Extent
  • User Site ID: 2002MO221001M
  • User Pedon ID: 2002MO221001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0222101
  • 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: 37.8196778
  • Std. Longitude: -90.8408472
  • Datum: WGS84
  • Township: T36N
  • Range: R2E
  • Section: 20
  • PLSS Details: NW1/4 of the SE1/4
  • Location Description: WITHIN MAPPING UNIT THERE IS ABOUT 1% ROCK OUTCROP. THERE WAS ROCK OUTCROP ABOUT 25'DOWNSLOPE FROM THE PEDON SITE.
  • Map Unit: 73290—Gatewood-Aaron complex, 3 to 8 percent slopes
  • State: Missouri
  • County: MO221—Washington
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO221—Washington County, Missouri
  • 7.5 Minute USGS Quad: 37090-G7—Belgrade, Missouri

    • PEDON

  • Describers Name: GAL
  • Current Taxonomic Class: Very-fine, mixed, active, mesic Oxyaquic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Gatewood
  • Taxonomic Class - Very-fine, mixed, active, mesic Oxyaquic Hapludalfs
  • Taxon Kind - series
  • PSC - 3 to 53 cm.
  • Classificaton Date - 1/29/2002
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium derived from sandstone over residuum
  • Landscape: hills
  • Landform: hillslope
  • Hill Slope Profile: backslope
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/25/2011 (entry creation 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

    11

    —

    —

    935

    —

    280

    —

    —

    —

    —

    —

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    Ap—0 to 3 centimeters (0.0 to 1.2 inches); brown (10YR 4/3) rubbed silty clay; weak very fine subangular blocky parts to moderate very fine granular structure; friable; many very fine roots and many fine roots; 65 percent distinct organic stains on all faces of peds; 15 percent fine prominent iron-manganese concretions; fragments; strongly acid, pH 5.5; abrupt smooth boundary. Lab sample # MU023982
    Bt1—3 to 13 centimeters (1.2 to 5.1 inches); yellowish brown (10YR 5/6) rubbed clay; 1 percent brown (10YR 5/3) fine distinct mottles; moderate fine subangular blocky structure; firm; common very fine roots and common fine roots; 65 percent distinct clay films on all faces of peds; 15 percent fine prominent iron-manganese concretions; fragments; very strongly acid, pH 4.8; clear smooth boundary. Lab sample # MU023983
    Bt2—13 to 28 centimeters (5.1 to 11.0 inches); yellowish brown (10YR 5/6) rubbed and light yellowish brown (10YR 6/4) rubbed clay; 15 percent light brownish gray (2.5Y 6/2) fine distinct mottles; moderate fine prismatic parts to moderate fine subangular blocky structure; firm; few very fine roots and few fine roots; 65 percent distinct clay films on all faces of peds; 15 percent fine prominent iron-manganese concretions; fragments; extremely acid, pH 4.3; clear smooth boundary. Lab sample # MU023984
    Bt3—28 to 41 centimeters (11.0 to 16.1 inches); brownish yellow (10YR 6/6) rubbed and yellowish brown (10YR 5/6) rubbed silty clay; 1 percent brown (7.5YR 4/4) fine distinct irregular mottles; moderate fine prismatic structure; very firm; few very fine roots and few fine roots; 65 percent distinct clay films on all faces of peds; 15 percent fine prominent iron-manganese concretions; fragments; extremely acid, pH 4.4; clear smooth boundary. Lab sample # MU023985
    Bt4—41 to 56 centimeters (16.1 to 22.0 inches); brownish yellow (10YR 6/6) rubbed and pale red (2.5YR 6/2) rubbed silty clay; 1 percent brown (7.5YR 4/4) fine prominent mottles; moderate fine prismatic parts to moderate fine subangular blocky structure; very firm; few very fine roots and few fine roots; 30 percent distinct clay films on all faces of peds; 15 percent fine prominent iron-manganese concretions; fragments; very strongly acid, pH 4.7; abrupt smooth boundary. Lab sample # MU023986
    Bt5—56 to 64 centimeters (22.0 to 25.2 inches); gray (5YR 5/1) rubbed and reddish gray (5YR 5/2) rubbed and yellowish brown (10YR 5/6) rubbed silty clay; weak medium platy structure; very firm; few very fine roots and few fine roots; 30 percent distinct clay films on all faces of peds; 25 percent fine prominent iron-manganese concretions; 10 percent by volume nonflat subangular moderately coherent cemented 2-20-75 millimeter chert fragments; moderately acid, pH 6.0; abrupt smooth boundary. Lab sample # MU023987
    Cr1—64 to 74 centimeters (25.2 to 29.1 inches); light red (2.5YR 6/6) rubbed and greenish gray (5GY 6/1) rubbed silty clay; weak medium platy structure; very firm; few very fine roots and few fine roots; 15 percent fine prominent iron-manganese concretions; 5 percent by volume nonflat subangular moderately coherent cemented 2-20-75 millimeter chert fragments and 10 percent by volume flat subangular strongly coherent cemented 2-20-75 millimeter shale, unspecified fragments; moderately alkaline, pH 7.9; clear smooth boundary. Lab sample # MU023988
    Cr2—74 to 91 centimeters (29.1 to 35.8 inches); light reddish brown (2.5YR 6/4) rubbed and light red (2.5YR 6/6) rubbed and greenish gray (5G 6/1) rubbed silty clay loam; weak medium platy structure; very firm; few very fine roots and few fine roots; 1 percent fine prominent iron-manganese concretions; 10 percent by volume nonflat subangular weakly coherent cemented 2-20-75 millimeter chert fragments and 25 percent by volume flat subangular strongly coherent cemented 2-20-75 millimeter shale, unspecified fragments; slightly alkaline, pH 7.8. Lab sample # MU023989
    R—91 centimeters (35.8 inches); bedrock; massive; fragments.