IDENTIFIERS

  • Current Taxon Name (Soil Name): Gunlock
  • OSD
  • Series Extent
  • User Site ID: 1994MO125010M
  • User Pedon ID: 1994MO125010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9412510
  • Print Date: 11/21/2024
  • 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: 38.2560333
  • Std. Longitude: -91.9522972
  • Datum: WGS84
  • Location Description: Ben Berhorst property
  • State: Missouri
  • County: MO125—Maries
  • MLRA: 116A—Ozark Highland
  • PEDON

  • Describers Name: Keith Davis Brad Berhorst Wyn Kelley
  • Current Taxonomic Class: Fine Typic Hapludalfs
  • Pedon Type: representative pedon for component
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Gunlock
  • Taxonomic Class - Fine Typic Hapludalfs
  • Taxon Kind - series
  • PSC - 28 to 69 cm.
  • Classificaton Date - 11/29/1994
  • 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: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: upper third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/29/1994 (actual site observation date)
  • Air Photo ID: 3C
  • 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—28

    28—69

    —-

    —-

    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

    10

    55

    18.3

    259

    75

    A—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2) interior silt loam; moderate fine granular structure; friable; 7.0 very fine and fine roots throughout; 0.2 very fine moderate-continuity vesicular pores; fragments; neutral, pH 7.1, hellige-truog; clear smooth boundary. Lab sample # MU050561. all gravels throughout this pedon are chert
    E—10 to 28 centimeters (3.9 to 11.0 inches); brown (10YR 4/3) interior silt loam; weak fine granular structure; friable; 4.0 very fine to medium roots throughout; 0.2 very fine moderate-continuity vesicular pores; fragments; neutral, pH 6.7, hellige-truog; clear smooth boundary. Lab sample # MU050562
    Bt1—28 to 48 centimeters (11.0 to 18.9 inches); yellowish brown (10YR 5/6) interior silty clay loam; moderate medium subangular blocky structure; firm; 4.0 very fine and fine roots throughout and 0.5 medium roots throughout; 0.3 fine moderate-continuity vesicular pores; 70 percent distinct strong brown (7.5YR 4/6), moist, clay films on faces of peds; fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # MU050563. discontinuous - phpvsfiid 148321; discontinuous - phpvsfiid 148321
    Bt2—48 to 69 centimeters (18.9 to 27.2 inches); 80 percent yellowish brown (10YR 5/4) interior silty clay loam; 20 percent yellowish brown (10YR 5/6) fine distinct irregular mottles; weak fine prismatic parts to moderate fine angular blocky structure; firm; 0.5 very fine to coarse roots throughout; 0.3 fine moderate-continuity vesicular pores; 5 percent prominent dark reddish brown (5YR 2/2), moist, manganese or iron-manganese stains on faces of peds and 40 percent distinct clay films on faces of peds; fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU050564. continuous - phpvsfiid 148322; discontinuous - phpvsfiid 148323; continuous - phpvsfiid 148322; discontinuous - phpvsfiid 148323
    2Btx1—69 to 91 centimeters (27.2 to 35.8 inches); 40 percent brown (10YR 5/3) interior and 40 percent grayish brown (10YR 5/2) interior silty clay loam; 10 percent yellowish brown (10YR 5/6) fine prominent irregular and 10 percent dark yellowish brown (10YR 4/4) medium distinct irregular mottles; moderate fine prismatic parts to moderate medium angular blocky structure; very firm; 0.5 very fine to medium roots throughout; 5.0 very fine low-continuity vesicular pores; 10 percent prominent dark reddish brown (5YR 2/2), moist, manganese or iron-manganese stains on faces of peds and 10 percent prominent clay films in root channels and/or pores and 40 percent distinct clay films on faces of peds; 5 percent by volume subrounded 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU050565. discontinuous - phpvsfiid 144946; discontinuous - phpvsfiid 148324; discontinuous - phpvsfiid 148325; discontinuous - phpvsfiid 144946; discontinuous - phpvsfiid 148324; discontinuous - phpvsfiid 148325
    2Btx2—91 to 122 centimeters (35.8 to 48.0 inches); 40 percent dark yellowish brown (10YR 4/4) interior and 40 percent grayish brown (10YR 5/2) interior silty clay loam; 2 percent brown (10YR 5/3) fine faint irregular and 18 percent yellowish brown (10YR 5/6) fine prominent irregular mottles; weak coarse prismatic structure; very firm; 0.5 very fine roots throughout; 5.0 fine low-continuity vesicular pores; 20 percent prominent clay films on faces of peds and 40 percent prominent dark reddish brown (5YR 2/2), moist, manganese or iron-manganese stains throughout; 5 percent by volume angular 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.2, hellige-truog; gradual smooth boundary. Lab sample # MU050566. continuous - phpvsfiid 144947; discontinuous - phpvsfiid 144948; continuous - phpvsfiid 144947; discontinuous - phpvsfiid 144948
    2Btx3—122 to 142 centimeters (48.0 to 55.9 inches); 40 percent grayish brown (10YR 5/2) interior and 40 percent dark yellowish brown (10YR 4/4) interior very gravelly silt loam; 20 percent yellowish brown (10YR 5/6) fine prominent irregular mottles; massive; very firm; 5.0 very fine low-continuity vesicular pores; 10 percent distinct clay films on rock fragments and 10 percent prominent dark reddish brown (5YR 2/2), moist, manganese or iron-manganese stains on rock fragments; 60 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; neutral, pH 6.6, hellige-truog; clear wavy boundary. Lab sample # MU050567. discontinuous - phpvsfiid 144949; discontinuous - phpvsfiid 144950; discontinuous - phpvsfiid 144949; discontinuous - phpvsfiid 144950
    3Bt3—142 to 170 centimeters (55.9 to 66.9 inches); 80 percent strong brown (7.5YR 5/6) interior extremely gravelly clay; 2 percent dark yellowish brown (10YR 4/4) fine prominent irregular and 18 percent yellowish brown (10YR 5/6) fine distinct irregular mottles; moderate medium angular blocky structure; firm; 0.1 very fine moderate-continuity vesicular pores; 10 percent prominent dark reddish brown (5YR 2/2), moist, manganese or iron-manganese stains on faces of peds and 40 percent prominent clay films on faces of peds; 60 percent by volume subrounded 2-39-75 millimeter unspecified fragments; slightly alkaline, pH 7.6, hellige-truog; gradual wavy boundary. Lab sample # MU050568. discontinuous - phpvsfiid 144951; discontinuous - phpvsfiid 144952; discontinuous - phpvsfiid 144951; discontinuous - phpvsfiid 144952
    3Bt4—170 to 203 centimeters (66.9 to 79.9 inches); 80 percent yellowish brown (10YR 5/4) interior clay; 20 percent yellowish brown (10YR 5/6) medium distinct irregular mottles; strong medium prismatic parts to moderate medium angular blocky structure; firm; 0.1 very fine low-continuity vesicular pores; 40 percent prominent dark reddish brown (5YR 2/2), moist, manganese or iron-manganese stains on faces of peds and 70 percent prominent clay films on faces of peds; 5 percent by volume angular 2-39-75 millimeter unspecified fragments; slightly alkaline, pH 7.6, hellige-truog. Lab sample # MU050569. continuous - phpvsfiid 144953; discontinuous - phpvsfiid 144954; continuous - phpvsfiid 144953; discontinuous - phpvsfiid 144954