IDENTIFIERS

  • Current Taxon Name (Soil Name): Gunlock
  • OSD
  • Series Extent
  • User Site ID: 1995MO151028M
  • User Pedon ID: 1995MO151028
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9215163
  • Print Date: 11/23/2024
  • 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: 38.3983844
  • Std. Longitude: -91.7637590
  • Datum: WGS84
  • Location Description: Helmig property
  • State: Missouri
  • County: MO151—Osage
  • MLRA: 116B—Springfield Plain
  • PEDON

  • Describers Name: Keith Davis Brad Berhorst
  • Current Taxonomic Class: Fine, 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, mixed Oxyaquic Hapludalfs
  • Taxon Kind - series
  • PSC - 0 to 13 cm.
  • Classificaton Date - 9/7/1995
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess derived from mixed and/or slope alluvium derived from sedimentary rock
  • Landscape: hills
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/7/1995 (actual site observation date)
  • Air Photo ID: 30
  • 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—18

    18—152

    —-

    —-

    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

    19

    189

    0

    991

    12.8

    13.9

    Ap—0 to 13 centimeters (0.0 to 5.1 inches); brown (10YR 5/3) interior silt loam; weak fine granular structure; friable; 4.0 very fine and fine roots throughout; fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # MU015919
    Bt1—13 to 25 centimeters (5.1 to 9.8 inches); yellowish brown (10YR 5/4) interior silty clay loam; weak fine subangular blocky structure; friable; 3.0 very fine and fine roots between peds; 2.0 very fine and fine vesicular pores; 15 percent faint silt coats on faces of peds and 20 percent faint clay films on faces of peds; 1 percent fine irregular noncoherent cemented pale brown (10YR 6/3) masses of oxidized iron between peds; fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # MU015920. discontinuous - phpvsfiid 145373; discontinuous - phpvsfiid 145374; discontinuous - phpvsfiid 145373; discontinuous - phpvsfiid 145374
    Bt2—25 to 46 centimeters (9.8 to 18.1 inches); yellowish brown (10YR 5/4) interior silty clay loam; moderate fine subangular blocky structure; friable; 2.0 very fine and fine roots between peds; 2.0 very fine and fine vesicular pores; 30 percent distinct clay films on faces of peds and 30 percent distinct silt coats on faces of peds; 10 percent fine irregular noncoherent cemented brown (10YR 5/3) masses of oxidized iron between peds; fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # MU015921. discontinuous - phpvsfiid 145375; discontinuous - phpvsfiid 145376; discontinuous - phpvsfiid 145375; discontinuous - phpvsfiid 145376
    Bt3—46 to 66 centimeters (18.1 to 26.0 inches); yellowish brown (10YR 5/4) interior silty clay loam; 10 percent grayish brown (10YR 5/2) fine distinct irregular mottles; strong medium subangular blocky structure; firm; 2.0 very fine roots between peds; 2.0 very fine and fine vesicular pores; 30 percent distinct clay films on faces of peds and 30 percent distinct silt coats on faces of peds and 30 percent distinct manganese or iron-manganese stains on faces of peds; 10 percent fine irregular noncoherent cemented brown (10YR 5/3) masses of oxidized iron between peds and 10 percent fine irregular noncoherent cemented yellowish brown (10YR 5/6) masses of oxidized iron between peds; fragments; strongly acid, pH 5.5, hellige-truog; gradual smooth boundary. Lab sample # MU015922. discontinuous - phpvsfiid 145377; discontinuous - phpvsfiid 145378; discontinuous - phpvsfiid 145379; discontinuous - phpvsfiid 145377; discontinuous - phpvsfiid 145378; discontinuous - phpvsfiid 145379
    2Btx1—66 to 84 centimeters (26.0 to 33.1 inches); yellowish brown (10YR 5/4) interior silty clay loam; moderate medium subangular blocky structure; very firm; 0.8 very fine roots between peds; 0.8 very fine vesicular pores; 30 percent distinct clay films on faces of peds and 30 percent distinct manganese or iron-manganese stains on faces of peds; 10 percent medium irregular noncoherent cemented pale brown (10YR 6/3) masses of oxidized iron between peds; 5 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.5, hellige-truog; gradual smooth boundary. Lab sample # MU015923. irregular vertical gray streaks with prominent 10YR 5/2 clay films 1 to 2 inches apart.; discontinuous - phpvsfiid 145380; discontinuous - phpvsfiid 145381; discontinuous - phpvsfiid 145380; discontinuous - phpvsfiid 145381
    2Btx2—84 to 99 centimeters (33.1 to 39.0 inches); brown (10YR 5/3) interior and yellowish brown (10YR 5/4) interior silt loam; weak very fine subangular blocky structure; extremely firm*; 0.8 very fine roots between peds; 0.8 very fine vesicular pores; 30 percent faint clay films on faces of peds and 30 percent distinct silt coats on faces of peds and 30 percent distinct manganese or iron-manganese stains on faces of peds; 10 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.5, hellige-truog; gradual smooth boundary. Lab sample # MU015924. irregular vertical gray streaks that are 0.25 - 0.75 inches wide and 2 to 4 inches apart.; discontinuous - phpvsfiid 145382; discontinuous - phpvsfiid 145383; discontinuous - phpvsfiid 145384; discontinuous - phpvsfiid 145382; discontinuous - phpvsfiid 145383; discontinuous - phpvsfiid 145384
    2Btx3—99 to 132 centimeters (39.0 to 52.0 inches); brown (10YR 5/3) interior and yellowish brown (10YR 5/4) interior extremely gravelly silt loam; massive; extremely firm*; 15 percent distinct clay films on faces of peds and 30 percent distinct silt coats on faces of peds and 30 percent distinct manganese or iron-manganese stains on faces of peds; 10 percent by volume subrounded 75-162-250 millimeter sandstone, unspecified fragments and 55 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # MU015925. discontinuous - phpvsfiid 145385; discontinuous - phpvsfiid 145386; discontinuous - phpvsfiid 145387; discontinuous - phpvsfiid 145385; discontinuous - phpvsfiid 145386; discontinuous - phpvsfiid 145387
    2Btx4—132 to 155 centimeters (52.0 to 61.0 inches); yellowish brown (10YR 5/4) interior extremely gravelly silt loam; massive; extremely firm*; 10 percent faint clay films on faces of peds and 30 percent distinct manganese or iron-manganese stains on faces of peds; 10 percent fine irregular noncoherent cemented yellowish brown (10YR 5/6) masses of oxidized iron between peds; 10 percent by volume subrounded 75-162-250 millimeter sandstone, unspecified fragments and 15 percent by volume subrounded 250-425-600 millimeter sandstone, unspecified fragments and 50 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; neutral, pH 7.0, hellige-truog. Lab sample # MU015926. discontinuous - phpvsfiid 145388; discontinuous - phpvsfiid 145389; discontinuous - phpvsfiid 145388; discontinuous - phpvsfiid 145389