IDENTIFIERS

  • Current Taxon Name (Soil Name): Gunlock
  • OSD
  • Series Extent
  • User Site ID: 1990MO161035M
  • User Pedon ID: 1990MO161035
  • Transect:
  • User Transect ID - T5690
  • Transect Stop Number - 1
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9016135
  • 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: 38.0483896
  • Std. Longitude: -91.8388996
  • Datum: WGS84
  • Township: T38N
  • Range: R8W
  • Section: 6
  • PLSS Details: 1350 feet S and 100 feet W of the NE corner
  • State: Missouri
  • County: MO161—Phelps
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO161—Phelps County, Missouri

    • PEDON

  • Describers Name: GB,JB
  • 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 - 13 to 63 cm.
  • Classificaton Date - 9/27/1990
  • 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 dolomite
  • Landscape: hills
  • Landform: interfluve
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/27/1990 (actual site observation date)
  • Air Photo ID: C-1
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    —

    —

    288

    —

    360

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    —

    —

    —

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    Ap—0 to 13 centimeters (0.0 to 5.1 inches); brown (10YR 4/3) and dark brown (10YR 3/3), pale brown (10YR 6/3), dry; silt loam; weak very fine and fine subangular blocky structure; very friable; 3.0 very fine and fine roots; fragments; slightly alkaline, pH 7.6, hellige-truog; clear wavy boundary. Lab sample # MU039320
    Bt1—13 to 38 centimeters (5.1 to 15.0 inches); yellowish brown (10YR 5/4) silty clay loam; moderate fine subangular blocky structure; firm; 3.0 very fine and fine roots; 35 percent faint clay films on faces of peds; 1 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.5, hellige-truog; clear wavy boundary. Lab sample # MU039321
    Bt2—38 to 64 centimeters (15.0 to 25.2 inches); yellowish brown (10YR 5/6) and yellowish brown (10YR 5/4) and light brownish gray (10YR 6/2) silty clay; moderate very fine and fine subangular blocky structure; firm; 3.0 very fine and fine roots; 35 percent faint clay films on faces of peds and 35 percent pale brown (10YR 6/3), moist, silt coats; 2 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU039322
    2Btx—64 to 74 centimeters (25.2 to 29.1 inches); yellowish brown (10YR 5/4) and pale brown (10YR 6/3) and light brownish gray (10YR 6/2) very gravelly silty clay; weak very fine and fine subangular blocky, and weak thin platy structure; firm; 0.5 very fine roots; 35 percent faint clay films on faces of peds; 40 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; gradual wavy boundary. Lab sample # MU039323. 10 percent slightly brittle.
    3Bt3—74 to 119 centimeters (29.1 to 46.9 inches); dark yellowish brown (10YR 4/6) clay; weak medium and coarse prismatic structure; firm; 0.5 very fine roots; 35 percent faint clay films on faces of peds; 2 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.5, hellige-truog; gradual wavy boundary. Lab sample # MU039324
    3Bt4—119 to 163 centimeters (46.9 to 64.2 inches); yellowish brown (10YR 5/6) clay; weak medium prismatic structure; firm; 15 percent faint clay films on faces of peds; 13 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly alkaline, pH 7.4, hellige-truog; abrupt wavy boundary. Lab sample # MU039325
    3R—163 centimeters (64.2 inches); bedrock; fragments. Cherty dolomite bedrock with fractures > 15 inches.