IDENTIFIERS

  • Current Taxon Name (Soil Name): Gunlock
  • OSD
  • Series Extent
  • User Site ID: 1995MO151004M
  • User Pedon ID: 1995MO151004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9115130
  • 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: 38.4133843
  • Std. Longitude: -91.6512555
  • Datum: WGS84
  • State: Missouri
  • County: MO151—Osage
  • MLRA: 116B—Springfield Plain
  • PEDON

  • Describers Name: Keith Davis Melvin Simmons
  • Current Taxonomic Class: Fine, mixed Typic Hapludalfs
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Gunlock
  • Taxonomic Class - Fine, mixed Typic Hapludalfs
  • Taxon Kind - series
  • PSC - 18 to 68 cm.
  • Classificaton Date - 3/7/1995
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

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

    SITE OBSERVATION

  • Observation Date: 3/7/1995 (actual site observation date)
  • Air Photo ID: 31
  • 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—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

    14

    183

    315

    A—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 5/3) interior silt loam; moderate fine granular structure; friable; 3.0 very fine to coarse roots throughout; fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU042356. all gravels throughout this profile are chert
    Bt1—18 to 33 centimeters (7.1 to 13.0 inches); dark yellowish brown (10YR 4/6) interior silty clay loam; moderate very fine subangular blocky structure; friable; 3.0 very fine to medium roots throughout; 30 percent distinct clay films on faces of peds; fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU042357. discontinuous - phpvsfiid 148502; discontinuous - phpvsfiid 148502
    Bt2—33 to 56 centimeters (13.0 to 22.0 inches); yellowish brown (10YR 5/6) interior silty clay loam; moderate very fine subangular blocky structure; firm; 3.0 very fine to medium roots throughout; 30 percent distinct clay films on faces of peds; fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU042358. continuous - phpvsfiid 145190; continuous - phpvsfiid 145190
    Bt3—56 to 74 centimeters (22.0 to 29.1 inches); 90 percent yellowish brown (10YR 5/8) interior silty clay loam; 10 percent brown (10YR 5/3) fine distinct irregular mottles; weak fine subangular blocky structure; firm; 3.0 very fine to medium roots throughout; 30 percent distinct clay films on faces of peds; fragments; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # MU042359. continuous - phpvsfiid 145194; continuous - phpvsfiid 145194
    Bt4—74 to 91 centimeters (29.1 to 35.8 inches); 50 percent light brownish gray (10YR 6/2) interior and 50 percent brownish yellow (10YR 6/8) interior clay loam; weak fine subangular blocky structure; firm; 0.5 fine and medium roots throughout; 30 percent distinct clay films on faces of peds; 10 percent by volume subangular 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.9, hellige-truog; gradual smooth boundary. Lab sample # MU042360. continuous - phpvsfiid 145195; continuous - phpvsfiid 145195
    2Btx1—91 to 119 centimeters (35.8 to 46.9 inches); 50 percent light brownish gray (10YR 6/2) interior and 50 percent yellowish brown (10YR 5/8) interior extremely gravelly loam; weak very fine massive; very firm; 5 percent faint clay films on faces of peds; 65 percent by volume subangular 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU042361. Perched water at the top of this horizon made sampling and description difficult because of the amount of water that was pouring in.; discontinuous - phpvsfiid 145203; discontinuous - phpvsfiid 145203
    2Btx2—119 to 152 centimeters (46.9 to 59.8 inches); strong brown (7.5YR 5/6) interior extremely gravelly loam; weak very fine massive; very firm; 5 percent faint clay films on faces of peds; 80 percent by volume subangular 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.3, hellige-truog. Lab sample # MU042362. discontinuous - phpvsfiid 145204; discontinuous - phpvsfiid 145204