IDENTIFIERS

  • Current Taxon Name (Soil Name): Gunlock
  • OSD
  • Series Extent
  • User Site ID: 1995MO131004M
  • User Pedon ID: 1995MO131004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9513103
  • 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: 38.3781639
  • Std. Longitude: -92.4667688
  • Datum: WGS84
  • Township: T42N
  • Range: R14W
  • Section: 21
  • PLSS Details: NE 1/4
  • State: Missouri
  • County: MO131—Miller
  • MLRA: 116B—Springfield Plain

    • PEDON

  • Describers Name: D. Wolf, D. Viele, T. Knoernschild
  • Current Taxonomic Class: Fine, mixed Fragic Oxyaquic Hapludalfs
  • Pedon Type: within range of map unit
  • 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 - 15 to 66 cm.
  • Classificaton Date - 5/3/1995
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or residuum weathered from cherty limestone
  • Landscape: upland
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: lower third
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • Runoff: medium
  • Drainage Class: moderately well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/3/1995 (actual site observation date)
  • Air Photo ID: 2C
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    8

    —

    —

    250

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); dark grayish brown (10YR 4/2) silt loam; weak fine granular structure; friable; 7.0 very fine and fine roots throughout; fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # MU053647
    Bt1—15 to 28 centimeters (5.9 to 11.0 inches); strong brown (7.5YR 5/6) silty clay loam; weak fine subangular blocky structure; firm; 3.0 fine roots throughout; 10 percent faint brown (7.5YR 5/3), moist, silt coats on faces of peds and 40 percent distinct strong brown (7.5YR 4/6), moist, clay films on faces of peds; fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # MU053648. discontinuous - phpvsfiid 127584; patchy - phpvsfiid 127585; discontinuous - phpvsfiid 127584; patchy - phpvsfiid 127585
    Bt2—28 to 43 centimeters (11.0 to 16.9 inches); strong brown (7.5YR 5/6) silty clay loam; moderate fine subangular blocky structure; firm; 3.0 fine roots throughout; 30 percent distinct strong brown (7.5YR 4/6), moist, clay films on faces of peds and 80 percent distinct brown (7.5YR 5/3), moist, silt coats on faces of peds; 5 percent fine irregular reddish brown (5YR 4/4) masses of oxidized iron throughout; fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # MU053649. discontinuous - phpvsfiid 127192; continuous - phpvsfiid 127204; discontinuous - phpvsfiid 127192; continuous - phpvsfiid 127204
    Bt3—43 to 61 centimeters (16.9 to 24.0 inches); brown (7.5YR 4/4) silty clay loam; moderate fine subangular blocky structure; firm; 3.0 fine roots throughout; 2 percent prominent black (10YR 2/1), moist, manganese or iron-manganese stains on faces of peds and 10 percent prominent light brownish gray (10YR 6/2), moist, silt coats on faces of peds and 20 percent prominent dark grayish brown (10YR 4/2), moist, clay films on faces of peds and in pores; 10 percent fine irregular reddish brown (5YR 4/4) masses of oxidized iron throughout and 10 percent fine irregular yellowish brown (10YR 5/8) masses of oxidized iron throughout; fragments; moderately acid, pH 5.8, hellige-truog; gradual smooth boundary. Lab sample # MU053650. discontinuous - phpvsfiid 127205; patchy - phpvsfiid 127217; discontinuous - phpvsfiid 127216; discontinuous - phpvsfiid 127205; patchy - phpvsfiid 127217; discontinuous - phpvsfiid 127216
    2Btx1—61 to 89 centimeters (24.0 to 35.0 inches); 60 percent yellowish brown (10YR 5/4) and 20 percent strong brown (7.5YR 5/6) and 20 percent grayish brown (10YR 5/2) silty clay loam; weak coarse prismatic parts to weak medium subangular blocky structure; very firm; brittle; 0.7 very fine and fine roots throughout; 10 percent prominent black (10YR 2/1), moist, manganese or iron-manganese stains on faces of peds and 65 percent prominent dark grayish brown (10YR 4/2), moist, clay films on vertical faces of peds; 5 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; slightly alkaline, pH 7.5, hellige-truog; gradual wavy boundary. Lab sample # MU053651. 30 percent brittleness; patchy - phpvsfiid 127219; discontinuous - phpvsfiid 127218; patchy - phpvsfiid 127219; discontinuous - phpvsfiid 127218
    2Btx2—89 to 117 centimeters (35.0 to 46.1 inches); 70 percent strong brown (7.5YR 4/6) and 20 percent grayish brown (10YR 5/2) and 10 percent yellowish red (5YR 4/6) gravelly silty clay loam; weak coarse prismatic parts to moderate medium subangular blocky structure; very firm; brittle; 0.7 very fine and fine roots between peds; 10 percent prominent black (10YR 2/1), moist, manganese or iron-manganese stains throughout and 65 percent prominent dark grayish brown (10YR 4/2), moist, clay films on vertical faces of peds; 25 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; moderately alkaline, pH 7.9, hellige-truog; gradual wavy boundary. Lab sample # MU053652. Gray seams between coarse peds is SICL. About 40% of coarse peds are brittle.; patchy - phpvsfiid 126885; discontinuous - phpvsfiid 127220; patchy - phpvsfiid 126885; discontinuous - phpvsfiid 127220
    3Bt1—117 to 152 centimeters (46.1 to 59.8 inches); reddish brown (2.5YR 4/4) extremely gravelly clay; moderate fine subangular blocky structure; very firm; 4 percent prominent black (10YR 2/1), moist, manganese or iron-manganese stains on rock fragments and 25 percent distinct brown (7.5YR 4/4), moist, clay films on faces of peds; 20 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 80 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; slightly alkaline, pH 7.7, hellige-truog; gradual wavy boundary. Lab sample # MU053653. patchy - phpvsfiid 126454; patchy - phpvsfiid 126455; patchy - phpvsfiid 126454; patchy - phpvsfiid 126455
    3Bt2—152 to 203 centimeters (59.8 to 79.9 inches); yellowish brown (10YR 5/6) very gravelly clay; moderate medium subangular blocky structure; very firm; 25 percent distinct brown (7.5YR 5/2), moist, clay films on faces of peds and 40 percent distinct light brown (7.5YR 6/4), moist, clay films on faces of peds; 5 percent fine and medium spherical black (10YR 2/1) iron-manganese concretions throughout; 50 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; slightly alkaline, pH 7.6, hellige-truog. Lab sample # MU053654. Coarse frags. decrease near bottom of horiz.; discontinuous - phpvsfiid 126456; discontinuous - phpvsfiid 126457; discontinuous - phpvsfiid 126456; discontinuous - phpvsfiid 126457