IDENTIFIERS

  • Current Taxon Name (Soil Name): Gunlock
  • OSD
  • Series Extent
  • User Site ID: 1996MO125041M
  • User Pedon ID: 1996MO125041
  • Transect:
  • User Transect ID - 2
  • Transect Stop Number - 7
  • Transect Interval - 40.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9612541
  • Print Date: 12/17/2024
  • 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: 38.0919689
  • Std. Longitude: -92.0448012
  • Datum: WGS84
  • Location Description: John Wyss property
  • State: Missouri
  • County: MO125—Maries
  • MLRA: 116B—Springfield Plain
  • PEDON

  • Describers Name: KOD, WAK, BBB
  • Current Taxonomic Class: Fine, mixed Fragic 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, mixed Fragic Oxyaquic Hapludalfs
  • Taxon Kind - series
  • PSC - 18 to 68 cm.
  • Classificaton Date - 7/30/1996
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess over pedisediment over residuum
  • Landscape: hills
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: footslope
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/30/1996 (actual site observation date)
  • Air Photo ID: 12A
  • 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

    lithic contact

    0—18

    18—163

    163—0

    —-

    —-

    —-

    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

    7

    293

    225

    991

    12.8

    13.9

    Ap—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 4/3) broken face silt loam; weak thin platy parts to moderate fine granular structure; friable; 10.0 very fine and fine roots throughout; 5.0 very fine and fine vesicular pores; fragments; moderately acid, pH 5.7, hellige-truog; clear smooth boundary. Lab sample # MU056028
    Bt1—18 to 30 centimeters (7.1 to 11.8 inches); yellowish brown (10YR 5/6) broken face silty clay loam; moderate fine subangular blocky structure; firm; 8.0 very fine to medium roots between peds; 3.0 very fine vesicular pores; 20 percent distinct clay films on faces of peds; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # MU056029. discontinuous - phpvsfiid 145623; discontinuous - phpvsfiid 145623
    Bt2—30 to 53 centimeters (11.8 to 20.9 inches); yellowish brown (10YR 5/6) broken face silty clay loam; moderate fine prismatic parts to moderate fine subangular blocky structure; firm; 8.0 very fine to medium roots between peds; 3.0 very fine vesicular pores; 60 percent distinct yellowish brown (10YR 5/4), moist, clay films on faces of peds; 3 percent fine irregular noncoherent cemented yellowish red (5YR 4/6) masses of oxidized iron throughout; 1 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU056030. continuous - phpvsfiid 145624; continuous - phpvsfiid 145624
    2Btx—53 to 79 centimeters (20.9 to 31.1 inches); grayish brown (10YR 5/2) broken face silty clay loam; moderate medium prismatic parts to moderate medium subangular blocky structure; very firm; brittle; 4.0 very fine to medium roots between peds; 3.0 very fine vesicular pores; 2 percent prominent black (7.5YR 2/1), moist, manganese or iron-manganese stains on faces of peds and 60 percent distinct brown (10YR 5/3), moist, clay films on faces of peds; 35 percent fine irregular noncoherent cemented strong brown (7.5YR 4/6) masses of oxidized iron throughout; 2 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU056031. slightly brittle in 35% of matrix.; discontinuous - phpvsfiid 145626; continuous - phpvsfiid 145625; discontinuous - phpvsfiid 145626; continuous - phpvsfiid 145625
    3Bt3—79 to 97 centimeters (31.1 to 38.2 inches); pale brown (10YR 6/3) broken face silty clay; 5 percent grayish brown (10YR 5/2) fine faint irregular mottles; weak medium prismatic parts to weak fine subangular blocky structure; very firm; brittle; 2.0 very fine roots between peds; 1.0 very fine vesicular pores; 5 percent prominent black (7.5YR 2/1), moist, manganese or iron-manganese stains on faces of peds and 40 percent distinct grayish brown (10YR 5/2), moist, clay films on faces of peds; 1 percent fine irregular noncoherent cemented dark brown (7.5YR 3/2) iron-manganese masses throughout and 5 percent fine irregular noncoherent cemented strong brown (7.5YR 5/6) masses of oxidized iron throughout; 5 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # MU056032. slightly brittle in 25% of matrix.; discontinuous - phpvsfiid 145627; discontinuous - phpvsfiid 145628; discontinuous - phpvsfiid 145627; discontinuous - phpvsfiid 145628
    3Bt4—97 to 114 centimeters (38.2 to 44.9 inches); brown (10YR 5/3) broken face very gravelly clay; 2 percent grayish brown (10YR 5/2) fine faint irregular mottles; moderate fine prismatic parts to moderate fine subangular blocky structure; firm; 0.5 very fine roots between peds; 0.3 very fine vesicular pores; 3 percent distinct dark brown (7.5YR 3/2), moist, manganese or iron-manganese stains on faces of peds and 40 percent distinct clay films on faces of peds; 30 percent fine irregular noncoherent cemented yellowish red (5YR 5/6) masses of oxidized iron throughout; 10 percent by volume subrounded 75-162-250 millimeter limestone, cherty fragments and 30 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; neutral, pH 6.9, hellige-truog; clear smooth boundary. Lab sample # MU056033. discontinuous - phpvsfiid 145629; discontinuous - phpvsfiid 145630; discontinuous - phpvsfiid 145629; discontinuous - phpvsfiid 145630
    3Bt5—114 to 155 centimeters (44.9 to 61.0 inches); strong brown (7.5YR 5/6) broken face clay; moderate medium prismatic parts to moderate medium subangular blocky parts to moderate fine subangular blocky structure; firm; 0.5 very fine roots between peds; 0.3 very fine vesicular pores; 3 percent prominent black (7.5YR 2/1), moist, manganese or iron-manganese stains on faces of peds and 80 percent prominent yellowish brown (10YR 5/4), moist, clay films on faces of peds; 5 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; slightly alkaline, pH 7.7, hellige-truog; clear smooth boundary. Lab sample # MU056034. continuous - phpvsfiid 145631; discontinuous - phpvsfiid 145632; continuous - phpvsfiid 145631; discontinuous - phpvsfiid 145632
    3Bt6—155 to 163 centimeters (61.0 to 64.2 inches); light yellowish brown (10YR 6/4) broken face silty clay loam; 20 percent light brownish gray (10YR 6/2) fine distinct irregular mottles; weak fine subangular blocky structure; firm; 2.0 very fine vesicular pores; 10 percent faint clay films on faces of peds; 5 percent fine irregular noncoherent cemented yellowish brown (10YR 5/8) masses of oxidized iron throughout; 5 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; moderately alkaline, pH 8.2, hellige-truog; abrupt smooth boundary. Lab sample # MU056035. discontinuous - phpvsfiid 145633; discontinuous - phpvsfiid 145633
    3R—163 centimeters (64.2 inches); bedrock; fragments. Dolostone