IDENTIFIERS

  • Current Taxon Name (Soil Name): Gunlock
  • OSD
  • Series Extent
  • User Site ID: 1991MO141017M
  • User Pedon ID: 1991MO141017
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9114117
  • 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: 38.2653293
  • Std. Longitude: -92.8726829
  • Datum: WGS84
  • State: Missouri
  • County: MO141—Morgan
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: DWW,DEV,TOK
  • Current Taxonomic Class: Fine, mixed Oxyaquic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Gunlock
  • PSC - 20 to 56 cm.
  • Classificaton Date - 3/9/2011
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - SND
  • Taxon Kind - series
  • Classificaton Date - 11/26/1991
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium over residuum
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/26/1991 (actual site observation date)
  • 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—20

    20—155

    —-

    —-
    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

    6

    —

    —

    282

    —

    270

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    —

    —
    Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark grayish brown (10YR 4/2) silt loam; weak fine granular structure; friable; 10.0 very fine and fine roots throughout; 10.0 very fine and fine vesicular pores; noncoherent cemented ; fragments; very strongly acid, pH 4.7, hellige-truog; abrupt smooth boundary. Lab sample # MU042142
    E—13 to 20 centimeters (5.1 to 7.9 inches); pale brown (10YR 6/3) silt loam; weak thin platy parts to weak fine granular structure; friable; 8.0 very fine and fine roots throughout; 10.0 fine vesicular pores; fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU042143
    Bt1—20 to 33 centimeters (7.9 to 13.0 inches); brown (7.5YR 5/4) silty clay loam; weak fine subangular blocky structure; firm; 6.0 very fine and fine roots throughout; 8.0 very fine and fine vesicular pores; 1 percent prominent black (10YR 2/1) manganese or iron-manganese stains throughout and 2 percent faint brown (7.5YR 4/4) clay films on faces of peds; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU042144. discontinuous - phpvsfiid 126616; discontinuous - phpvsfiid 126621; discontinuous - phpvsfiid 126616; discontinuous - phpvsfiid 126621
    Bt2—33 to 56 centimeters (13.0 to 22.0 inches); brown (7.5YR 5/4) silty clay loam; moderate fine subangular blocky structure; firm; 6.0 very fine and fine roots throughout; 8.0 very fine and fine vesicular pores; 1 percent prominent black (10YR 2/1) manganese or iron-manganese stains throughout and 25 percent faint brown (7.5YR 4/4) clay films on faces of peds; fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU042145. continuous - phpvsfiid 126622; discontinuous - phpvsfiid 126623; continuous - phpvsfiid 126622; discontinuous - phpvsfiid 126623
    2Btx1—56 to 66 centimeters (22.0 to 26.0 inches); 60 percent light brownish gray (10YR 6/2) and 40 percent yellowish brown (10YR 5/4) gravelly silt loam; weak medium platy parts to weak fine subangular blocky structure; very firm; 2.0 very fine and fine vesicular pores; 1 percent faint grayish brown (10YR 5/2) clay films on faces of peds and 10 percent prominent light gray (10YR 7/2) silt coats throughout; 20 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU042146. 40 percent brittleness. Few fine and very fine roots in vertical streaks.; continuous - phpvsfiid 127395; discontinuous - phpvsfiid 127392; continuous - phpvsfiid 127395; discontinuous - phpvsfiid 127392
    2Btx2—66 to 84 centimeters (26.0 to 33.1 inches); 50 percent light brownish gray (10YR 6/2) and 50 percent yellowish brown (10YR 5/4) extremely gravelly silt loam; weak medium platy parts to weak fine subangular blocky structure; very firm; 2.0 very fine and fine vesicular pores; 1 percent distinct dark grayish brown (10YR 4/2) clay films on faces of peds and 10 percent prominent light gray (10YR 7/2) silt coats on faces of peds and in pores; 10 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 70 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; gradual smooth boundary. Lab sample # MU042147. 40 percent brittleness.; discontinuous - phpvsfiid 127396; discontinuous - phpvsfiid 127397; discontinuous - phpvsfiid 127396; discontinuous - phpvsfiid 127397
    3Bt3—84 to 127 centimeters (33.1 to 50.0 inches); red (2.5YR 4/6) very gravelly clay; moderate fine and medium subangular blocky structure; firm; 2.0 very fine and fine vesicular pores; 2 percent prominent reddish brown (5YR 4/4) clay films on faces of peds and 2 percent prominent black (10YR 2/1) manganese or iron-manganese stains throughout; 1 percent fine irregular noncoherent cemented dark red (2.5YR 3/6) masses of oxidized iron throughout and 1 percent fine irregular noncoherent cemented yellowish red (5YR 5/6) masses of oxidized iron throughout; 5 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 45 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; gradual smooth boundary. Lab sample # MU042148. discontinuous - phpvsfiid 126628; discontinuous - phpvsfiid 126629; discontinuous - phpvsfiid 126628; discontinuous - phpvsfiid 126629
    3Bt4—127 to 155 centimeters (50.0 to 61.0 inches); yellowish red (5YR 5/6) gravelly clay; moderate fine and medium subangular blocky structure; firm; 2.0 very fine and fine vesicular pores; 25 percent distinct reddish brown (5YR 4/4) clay films on faces of peds; 10 percent medium irregular noncoherent cemented dark red (2.5YR 3/6) masses of oxidized iron throughout; 20 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 6.0, hellige-truog. Lab sample # MU042149. continuous - phpvsfiid 126630; continuous - phpvsfiid 126630