IDENTIFIERS

  • Current Taxon Name (Soil Name): Gunlock
  • OSD
  • Series Extent
  • User Site ID: 1994MO125009M
  • User Pedon ID: 1994MO125009
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9412509
  • 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: 38.2552778
  • Std. Longitude: -91.9041667
  • Datum: WGS84
  • Township: T41N
  • Range: R9W
  • Section: 32
  • PLSS Details: 1900 feet S and 700 feet E of the NW corner
  • 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 - 10 to 60 cm.
  • Classificaton Date - 11/17/1994
  • 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: shoulder
  • Slope Position: upper third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/17/1994 (actual site observation date)
  • Air Photo ID: 3B
  • 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—10

    10—61

    —-

    —-
    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

    16

    55

    15.2

    274

    —

    0

    991

    —

    —

    12.8

    —

    —

    13.9

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2) interior silt loam; moderate fine granular structure; very friable; 10.0 very fine and fine roots throughout; 0.5 very fine moderate-continuity vesicular pores; fragments; slightly acid, pH 6.3, hellige-truog; clear wavy boundary. Lab sample # MU050552
    Bt1—10 to 38 centimeters (3.9 to 15.0 inches); dark yellowish brown (10YR 4/4) interior silty clay loam; weak fine prismatic parts to moderate fine subangular blocky structure; friable; 4.0 very fine and fine roots throughout and 0.5 medium roots throughout; 3.0 very fine moderate-continuity vesicular pores; 40 percent faint clay films on faces of peds; fragments; very strongly acid, pH 4.8, hellige-truog; gradual smooth boundary. Lab sample # MU050553. continuous - phpvsfiid 148313; continuous - phpvsfiid 148313
    Bt2—38 to 58 centimeters (15.0 to 22.8 inches); 95 percent dark yellowish brown (10YR 4/4) interior silty clay loam; 5 percent yellowish brown (10YR 5/4) fine faint irregular mottles; weak fine prismatic parts to moderate fine subangular blocky structure; friable; 4.0 very fine and fine roots throughout and 0.5 medium roots throughout; 3.0 very fine moderate-continuity vesicular pores; 40 percent faint clay films on faces of peds; fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU050554. continuous - phpvsfiid 148314; continuous - phpvsfiid 148314
    Bt3—58 to 74 centimeters (22.8 to 29.1 inches); 40 percent grayish brown (10YR 5/2) interior and 40 percent yellowish brown (10YR 5/4) interior silty clay loam; 20 percent yellowish brown (10YR 5/6) fine prominent irregular mottles; moderate fine subangular blocky structure; friable; 4.0 very fine and fine roots throughout; 3.0 very fine moderate-continuity vesicular pores; 20 percent distinct clay films on faces of peds and 40 percent faint clay films on faces of peds; fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU050555. discontinuous - phpvsfiid 148316; continuous - phpvsfiid 148315; discontinuous - phpvsfiid 148316; continuous - phpvsfiid 148315
    2Btx11—74 to 97 centimeters (29.1 to 38.2 inches); grayish brown (10YR 5/2) interior and dark yellowish brown (10YR 4/4) interior extremely gravelly loam; strong very fine massive; extremely firm*; 0.2 very fine roots throughout; 5.0 very fine moderate-continuity vesicular pores; 20 percent distinct clay films on faces of peds; 25 percent by volume subrounded 75-162-250 millimeter unspecified fragments and 60 percent by volume subrounded 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU050556. gravel and cobbles throughout this pedon is chert; discontinuous - phpvsfiid 148317; discontinuous - phpvsfiid 148317
    2Btx12—97 to 117 centimeters (38.2 to 46.1 inches); grayish brown (10YR 5/2) interior and dark yellowish brown (10YR 4/4) interior extremely gravelly loam; strong very fine massive; extremely firm*; 0.2 very fine roots throughout; 5.0 very fine moderate-continuity vesicular pores; 20 percent distinct clay films on faces of peds; 25 percent by volume subrounded 75-162-250 millimeter unspecified fragments and 60 percent by volume subrounded 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU050557. gravel and cobbles throughout this pedon is chert; discontinuous - phpvsfiid 1504292; discontinuous - phpvsfiid 1504292
    3Bt4—117 to 152 centimeters (46.1 to 59.8 inches); 90 percent strong brown (7.5YR 5/6) interior gravelly clay; 10 percent reddish yellow (7.5YR 6/6) fine faint irregular mottles; moderate medium angular blocky structure; firm; 0.4 very fine roots throughout; 0.2 very fine low-continuity vesicular pores; 40 percent distinct yellowish red (5YR 4/6), moist, clay films on faces of peds; 30 percent by volume subrounded 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.9, hellige-truog; gradual smooth boundary. Lab sample # MU050558. discontinuous - phpvsfiid 148318; discontinuous - phpvsfiid 148318
    3Bt5—152 to 178 centimeters (59.8 to 70.1 inches); strong brown (7.5YR 5/6) interior very gravelly clay; moderate fine angular blocky structure; firm; 0.2 very fine low-continuity vesicular pores; 80 percent prominent red (2.5YR 4/6), moist, clay films on faces of peds; 40 percent by volume subrounded 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.4, hellige-truog; clear wavy boundary. Lab sample # MU050559. discontinuous - phpvsfiid 148319; discontinuous - phpvsfiid 148319
    3Bt6—178 to 203 centimeters (70.1 to 79.9 inches); 33 percent light gray (10YR 7/2) interior and 33 percent strong brown (7.5YR 5/6) interior and 33 percent red (2.5YR 4/6) interior clay; moderate fine massive; firm; 0.1 very fine low-continuity vesicular pores; 10 percent distinct clay films on faces of peds; fragments; slightly acid, pH 6.2, hellige-truog. Lab sample # MU050560. discontinuous - phpvsfiid 148320; discontinuous - phpvsfiid 148320