IDENTIFIERS

  • Current Taxon Name (Soil Name): Gunlock
  • OSD
  • Series Extent
  • User Site ID: 1994MO125014M
  • User Pedon ID: 1994MO125014
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9412514
  • 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: 38.2605556
  • Std. Longitude: -91.7058333
  • Datum: WGS84
  • Township: T41N
  • Range: R7W
  • Section: 28
  • PLSS Details: 1300 feet W and 300 feet N of the SE corner
  • State: Missouri
  • County: MO125—Maries
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: Keith Davis Brad Berhorst Wyn Kelley
  • Current Taxonomic Class: Fine-silty, mixed Oxyaquic 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-silty, mixed Oxyaquic Hapludalfs
  • Taxon Kind - series
  • PSC - 18 to 157 cm.
  • Classificaton Date - 11/29/1994
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: eolian deposits derived from sandstone
  • Landscape: hills
  • Landform: ridge
  • Hill Slope Profile: summit
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Bedrock: sandstone, unspecified
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/29/1994 (actual site observation date)
  • Air Photo ID: 5C
  • Surface Cover Properties:
  • 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—157

    —-

    —-
    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

    6

    61

    15.2

    311

    —

    90

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 4/3) interior silt loam; moderate fine granular structure; friable; 6.0 very fine to medium roots throughout and 0.5 medium roots throughout; 2.0 very fine moderate-continuity vesicular pores; fragments; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # MU050591
    Bt1—18 to 28 centimeters (7.1 to 11.0 inches); yellowish brown (10YR 5/6) interior silty clay loam; moderate fine subangular blocky structure; firm; 3.0 very fine to medium roots throughout; 2.0 very fine moderate-continuity vesicular pores; 25 percent distinct clay films on faces of peds; fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU050592. discontinuous - phpvsfiid 144965; discontinuous - phpvsfiid 144965
    Bt2—28 to 48 centimeters (11.0 to 18.9 inches); 80 percent dark yellowish brown (10YR 4/4) interior silty clay; 20 percent yellowish brown (10YR 5/6) fine distinct irregular mottles; strong fine subangular blocky structure; firm; 3.0 very fine to medium roots throughout; 1.0 very fine moderate-continuity vesicular pores; 25 percent distinct clay films on faces of peds; fragments; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # MU050593. discontinuous - phpvsfiid 144966; discontinuous - phpvsfiid 144966
    Bt3—48 to 71 centimeters (18.9 to 28.0 inches); 70 percent brown (10YR 5/3) interior silty clay loam; 10 percent dark yellowish brown (10YR 4/4) fine faint irregular and 10 percent yellowish brown (10YR 5/6) fine prominent irregular and 10 percent strong brown (7.5YR 4/6) fine prominent irregular mottles; moderate medium prismatic parts to moderate medium angular blocky structure; firm; 5.0 very fine and fine roots top of horizon and 7.0 medium roots throughout; 1.0 very fine moderate-continuity vesicular pores; 15 percent distinct clay films on faces of peds; fragments; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # MU050594. discontinuous - phpvsfiid 144967; discontinuous - phpvsfiid 144967
    2Btx1—71 to 89 centimeters (28.0 to 35.0 inches); 90 percent brown (10YR 5/3) interior silt loam; 10 percent strong brown (7.5YR 5/6) fine prominent irregular mottles; strong coarse and very coarse prismatic structure; extremely firm*; 0.5 very fine and fine roots in cracks; 6.0 very fine low-continuity vesicular pores; 20 percent distinct clay films on faces of peds and 25 percent prominent dark reddish brown (5YR 2/2), moist, manganese or iron-manganese stains on faces of peds; fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU050595. bulk density sample came out 1.74g/cc; discontinuous - phpvsfiid 144968; discontinuous - phpvsfiid 144969; discontinuous - phpvsfiid 144968; discontinuous - phpvsfiid 144969
    2Btx2—89 to 107 centimeters (35.0 to 42.1 inches); brown (10YR 5/3) interior extremely gravelly silt loam; weak very fine massive; extremely firm*; 0.3 very fine roots throughout; 6.0 very fine low-continuity vesicular pores; 10 percent distinct clay films on faces of peds and 25 percent prominent dark reddish brown (5YR 2/2), moist, manganese or iron-manganese stains on rock fragments; 80 percent by volume subrounded 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU050596. gravels throughout this pedon are chert; discontinuous - phpvsfiid 144970; discontinuous - phpvsfiid 144971; discontinuous - phpvsfiid 144970; discontinuous - phpvsfiid 144971
    3Bt1—107 to 124 centimeters (42.1 to 48.8 inches); 95 percent yellow (10YR 7/6) interior clay; 5 percent strong brown (7.5YR 5/6) fine prominent irregular mottles; moderate coarse prismatic structure; very firm; 1.0 very fine roots throughout; 0.5 very fine moderate-continuity vesicular pores; 25 percent distinct clay films on faces of peds and 25 percent prominent dark reddish brown (5YR 2/2), moist, manganese or iron-manganese stains on rock fragments; 5 percent by volume subrounded 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.6, hellige-truog; clear wavy boundary. Lab sample # MU050597. continuous - phpvsfiid 144972; discontinuous - phpvsfiid 144973; continuous - phpvsfiid 144972; discontinuous - phpvsfiid 144973
    3Bt2—124 to 157 centimeters (48.8 to 61.8 inches); 30 percent yellow (10YR 7/6) interior and 30 percent light gray (10YR 7/2) interior and 30 percent yellowish brown (10YR 5/4) interior sandy clay loam; 10 percent red (2.5YR 4/6) fine prominent irregular mottles; moderate coarse prismatic structure; very firm; 1.0 very fine roots throughout; 0.5 very fine moderate-continuity vesicular pores; 20 percent distinct clay films on faces of peds; 5 percent by volume subrounded 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU050598. bedrock is weathered penn. sandstone floater; continuous - phpvsfiid 144974; continuous - phpvsfiid 144974
    3R—157 centimeters (61.8 inches); bedrock; fragments.