IDENTIFIERS

  • Current Taxon Name (Soil Name): Marion
  • OSD
  • Series Extent
  • User Site ID: 1993MO019013
  • User Pedon ID: 1993MO019013
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9301913
  • NCSS Pedon Lab Data NASIS Record ID - 34251
  • 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: 39.1715833
  • Std. Longitude: -92.2172222
  • Datum: WGS84
  • Range: R12W
  • Section: 25
  • Location Description: 1000 feet east and 540 feet north of the southwest corner of sec. 25, T.51N., R.12W.; Centralia USGS quadrangle.
  • Map Unit: 60023—Marion silt loam, 1 to 3 percent slopes
  • State: Missouri
  • County: MO019—Boone
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: MO019—Boone County, Missouri

    • PEDON

  • Describers Name: Melvin Simmons Mark Osborne
  • Current Taxonomic Class: Fine, smectitic, mesic Aquertic Chromic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Marion (flagged as OSD)
  • Classificaton Date - 11/4/2014
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Marion
  • Classificaton Date - 6/9/1993
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or colluvium
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: on a slope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/9/1993 (actual site observation date)
  • Air Photo ID: 7
  • Surface Cover Properties:
  • 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—28

    8—28

    28—132

    —-

    —-

    —-
    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

    —

    —

    —

    —

    914

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); fragments.
    A—3 to 11 centimeters (1.2 to 4.3 inches); grayish brown (10YR 5/2), light brownish gray (10YR 6/2), dry; silt loam; weak fine granular structure; friable; 3.0 very fine roots and fine roots; fragments; very strongly acid, pH 4.5, hellige-truog; abrupt smooth boundary. Lab sample # MU047268
    E—11 to 31 centimeters (4.3 to 12.2 inches); light brownish gray (10YR 6/2) silt loam; weak thin platy structure; very friable; 3.0 fine roots; 1 percent manganese or iron-manganese stains; 10 percent fine light yellowish brown (10YR 6/4) masses of oxidized iron and 10 percent fine brownish yellow (10YR 6/6) masses of oxidized iron; fragments; extremely acid, pH 4.4, hellige-truog; abrupt smooth boundary. Lab sample # MU047269
    Bt1—31 to 46 centimeters (12.2 to 18.1 inches); yellowish brown (10YR 5/4) silty clay; 10 percent light brownish gray (10YR 6/2) fine mottles; moderate medium subangular blocky structure; firm; 0.5 very fine roots; 35 percent distinct clay films on faces of peds; 10 percent fine strong brown (7.5YR 5/6) masses of oxidized iron; fragments; very strongly acid, pH 4.5, hellige-truog; clear wavy boundary. Lab sample # MU047270
    Bt2—46 to 72 centimeters (18.1 to 28.3 inches); yellowish brown (10YR 5/4) silty clay; 1 percent grayish brown (10YR 5/2) fine mottles; moderate medium subangular blocky structure; firm; 0.5 very fine roots; 35 percent distinct clay films on faces of peds; fragments; very strongly acid, pH 4.6, hellige-truog; clear wavy boundary. Lab sample # MU047271
    Btg1—72 to 107 centimeters (28.3 to 42.1 inches); light brownish gray (10YR 6/2) silty clay loam; weak medium prismatic parts to weak medium subangular blocky structure; friable; 0.5 fine roots; 15 percent manganese or iron-manganese stains and 15 percent faint clay films on faces of peds; reddish yellow (7.5YR 6/6) masses of oxidized iron; 10 percent fine strong brown (7.5YR 5/6); fragments; very strongly acid, pH 4.6, hellige-truog; clear wavy boundary. Lab sample # MU047272
    Btg2—107 to 135 centimeters (42.1 to 53.1 inches); light brownish gray (10YR 6/2) silty clay loam; weak fine subangular blocky structure; firm; 0.5 very fine roots; 15 percent faint clay films on faces of peds and 35 percent manganese or iron-manganese stains; 1 percent fine yellowish red (5YR 5/6) masses of oxidized iron; 10 percent fine brown (7.5YR 5/4); fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU047273
    2BCg—135 to 155 centimeters (53.1 to 61.0 inches); light brownish gray (10YR 6/2) silt loam; weak fine subangular blocky structure; friable; 0.5 very fine roots; 15 percent faint clay films in root channels and/or pores and 15 percent manganese or iron-manganese stains; brownish yellow (10YR 6/8) masses of oxidized iron; 10 percent fine brownish yellow (10YR 6/6); fragments; moderately acid, pH 5.7, hellige-truog. Lab sample # MU047274