IDENTIFIERS

  • Current Taxon Name (Soil Name): Marion
  • OSD
  • Series Extent
  • User Site ID: 1994MO125016M
  • User Pedon ID: 1994MO125016
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9412516
  • 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: 38.2622222
  • Std. Longitude: -91.7038889
  • Datum: WGS84
  • Township: T41N
  • Range: R7W
  • Section: 28
  • PLSS Details: 700 feet W and 900 feet N of the SE corner
  • Location Description: of Sec. 28, T. 41N., R. 7 W.
  • State: Missouri
  • County: MO125—Maries
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: Keith Davis Brad Berhorst Wyn Kelley
  • Current Taxonomic Class: Fine, montmorillonitic Albaquic 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 - Marion
  • Taxonomic Class - Fine, montmorillonitic Albaquic Hapludalfs
  • Taxon Kind - series
  • PSC - 25 to 75 cm.
  • Classificaton Date - 11/30/1994
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 3
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: eolian deposits
  • Landscape: upland
  • Landform: ridge
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/30/1994 (actual site observation date)
  • Air Photo ID: 5C
  • 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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    albic horizon

    argillic horizon

    0—15

    15—25

    25—203

    —-

    —-

    —-
    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

    2

    49

    12.2

    317

    —

    120

    991

    —

    —

    12.8

    —

    —

    13.9

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); dark grayish brown (10YR 4/2) interior silt loam; moderate fine granular structure; very friable; 10.0 very fine and fine roots between peds; 3.0 very fine moderate-continuity vesicular pores; fragments; neutral, pH 7.1, hellige-truog; clear smooth boundary. Lab sample # MU050608
    EA—15 to 25 centimeters (5.9 to 9.8 inches); 80 percent brown (10YR 5/3) interior and 20 percent dark grayish brown (10YR 4/2) interior silt loam; weak medium prismatic structure; friable; 5.0 very fine and fine roots between peds; 10.0 very fine and fine moderate-continuity vesicular pores; 30 percent distinct silt coats on faces of peds; 25 percent fine spherical dark reddish brown (5YR 2/2) iron-manganese concretions throughout; fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU050609. continuous - phpvsfiid 148329; continuous - phpvsfiid 148329
    Bt1—25 to 38 centimeters (9.8 to 15.0 inches); 99 percent brown (10YR 5/3) interior silty clay; 1 percent yellowish brown (10YR 5/6) fine distinct irregular mottles; weak fine prismatic parts to strong medium angular blocky structure; firm; 3.0 very fine and fine roots between peds; 0.8 very fine low-continuity vesicular pores; 5 percent distinct silt coats on faces of peds and 25 percent distinct clay films on faces of peds; 10 percent fine spherical dark reddish brown (5YR 2/2) iron-manganese concretions throughout; fragments; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # MU050610. continuous - phpvsfiid 148331; discontinuous - phpvsfiid 148330; continuous - phpvsfiid 148331; discontinuous - phpvsfiid 148330
    Bt2—38 to 61 centimeters (15.0 to 24.0 inches); 98 percent brown (10YR 5/3) interior clay; 1 percent yellowish brown (10YR 5/6) fine distinct irregular and 1 percent grayish brown (10YR 5/2) fine faint irregular mottles; strong medium prismatic parts to moderate medium angular blocky structure; firm; 3.0 very fine and fine roots between peds; 0.8 very fine low-continuity vesicular pores; 30 percent distinct clay films on faces of peds; 10 percent fine spherical dark reddish brown (5YR 2/2) iron-manganese concretions throughout; fragments; extremely acid, pH 4.3, hellige-truog; gradual smooth boundary. Lab sample # MU050611. continuous - phpvsfiid 148367; continuous - phpvsfiid 148367
    Bt3—61 to 76 centimeters (24.0 to 29.9 inches); 75 percent grayish brown (10YR 5/2) interior silty clay; 25 percent yellowish brown (10YR 5/6) fine prominent irregular mottles; moderate fine prismatic parts to moderate medium subangular blocky structure; firm; 3.0 very fine and fine roots between peds; 0.8 very fine low-continuity vesicular pores; 30 percent distinct clay films on faces of peds; 10 percent fine spherical dark reddish brown (5YR 2/2) iron-manganese concretions throughout; fragments; extremely acid, pH 4.3, hellige-truog; gradual smooth boundary. Lab sample # MU050612. continuous - phpvsfiid 148368; continuous - phpvsfiid 148368
    Bt4—76 to 99 centimeters (29.9 to 39.0 inches); 80 percent grayish brown (10YR 5/2) interior silty clay loam; 1 percent dark yellowish brown (10YR 4/4) medium distinct irregular and 19 percent yellowish brown (10YR 5/6) fine prominent irregular mottles; moderate medium subangular blocky structure; firm; 3.0 very fine and fine roots between peds; 4.0 very fine and fine low-continuity vesicular pores; 25 percent faint manganese or iron-manganese stains on faces of peds and 30 percent distinct clay films on faces of peds; fragments; extremely acid, pH 4.4, hellige-truog; clear wavy boundary. Lab sample # MU050613. continuous - phpvsfiid 148369; discontinuous - phpvsfiid 148370; continuous - phpvsfiid 148369; discontinuous - phpvsfiid 148370
    2Btx—99 to 142 centimeters (39.0 to 55.9 inches); 60 percent yellowish brown (10YR 5/4) interior and 30 percent grayish brown (10YR 5/2) interior silt loam; 10 percent yellowish brown (10YR 5/6) fine prominent irregular mottles; moderate coarse prismatic structure; very firm; 3.0 very fine and fine roots between peds; 3.0 very fine and fine low-continuity vesicular pores; 25 percent distinct manganese or iron-manganese stains on all faces of peds and 30 percent faint clay films on faces of peds and 30 percent distinct clay films on all faces of peds; fragments; very strongly acid, pH 4.7, hellige-truog; gradual smooth boundary. Lab sample # MU050614. Gray colors in vertical branching streaks approximately 4 inches apart. Few chert pebbles.; continuous - phpvsfiid 148372; discontinuous - phpvsfiid 148371; discontinuous - phpvsfiid 148373; continuous - phpvsfiid 148372; discontinuous - phpvsfiid 148371; discontinuous - phpvsfiid 148373
    3Bt5—142 to 170 centimeters (55.9 to 66.9 inches); 70 percent gray (10YR 5/1) interior clay; 30 percent yellowish brown (10YR 5/6) fine prominent irregular mottles; moderate coarse prismatic parts to moderate fine angular blocky structure; firm; 0.8 very fine roots between peds; 0.1 very fine low-continuity vesicular pores; 25 percent distinct manganese or iron-manganese stains on faces of peds and 30 percent prominent clay films on faces of peds; fragments; very strongly acid, pH 4.7, hellige-truog; gradual smooth boundary. Lab sample # MU050616. Gray seam approximately 2 inches wide through horizon. Few chert pebbles.; discontinuous - phpvsfiid 148374; discontinuous - phpvsfiid 148375; discontinuous - phpvsfiid 148374; discontinuous - phpvsfiid 148375
    3Bt6—170 to 203 centimeters (66.9 to 79.9 inches); 80 percent gray (10YR 5/1) interior clay; 10 percent red (2.5YR 4/8) medium prominent irregular and 10 percent strong brown (7.5YR 5/6) fine prominent irregular mottles; weak medium prismatic parts to weak medium angular blocky structure; firm; 0.1 very fine low-continuity vesicular pores; 25 percent distinct manganese or iron-manganese stains on faces of peds and 30 percent prominent clay films on faces of peds; 5 percent by volume rounded 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.7, hellige-truog. Lab sample # MU050617. Gravel in horizon is chert.; discontinuous - phpvsfiid 148376; discontinuous - phpvsfiid 148377; discontinuous - phpvsfiid 148376; discontinuous - phpvsfiid 148377