IDENTIFIERS

  • Current Taxon Name (Soil Name): Marquand
  • OSD
  • Series Extent
  • User Site ID: 1990MO123002M
  • User Pedon ID: 1990MO123002M
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9012302
  • NCSS Pedon Lab Data NASIS Record ID - 27289
  • Print Date: 4/24/2025

    • 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: 37.5856667
  • Std. Longitude: -90.1703033
  • Datum: WGS84
  • Township: T33N
  • Range: R8E
  • Section: 4
  • PLSS Details: 4300 feet S and 1100 feet E of the NW corner
  • Location Description: 4300 ft. S. and 1100 ft. E. of the NW corner of sec. 4, T. 33 N., R. 8 E.
  • Map Unit: 26B—Freeburg silt loam, 1 to 5 percent slopes74645—Higdon silt loam, 1 to 3 percent slopes
  • State: Missouri
  • County: MO123—Madison
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO123—Madison County, Missouri
  • 7.5 Minute USGS Quad: 37090-E2—Higdon, Missouri

    • PEDON

  • Describers Name: MLC and RDC
  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Aquic Hapludults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Marquand
  • PSC - 25 to 75 cm.
  • Classificaton Date - 4/1/2011
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Marquand
  • Taxonomic Class - Fine-silty, mixed, active, mesic Aquic Hapludults
  • Taxon Kind - series
  • PSC - 25 to 75 cm.
  • Classificaton Date - 9/16/1991
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 59 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: slope alluvium
  • Landscape: plateau
  • Landform: stream terrace
  • Runoff: low
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/16/1991 (actual site observation date)
  • Air Photo ID: D-2
  • 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

    argillic horizon

    0—25

    25—175

    —-

    —-
    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

    1

    —

    —

    236

    —

    35

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark yellowish brown (10YR 4/4), pale brown (10YR 6/3), dry; silt loam; weak fine subangular blocky parts to weak fine granular structure; friable; 10.0 very fine and fine roots; 3.0 very fine pores; fragments; moderately acid, pH 5.7, hellige-truog; clear smooth boundary. Lab sample # MU015474
    A—13 to 25 centimeters (5.1 to 9.8 inches); dark yellowish brown (10YR 3/4), yellowish brown (10YR 5/4), dry; silt loam; weak very fine subangular blocky structure; friable; 3.0 very fine roots and 10.0 fine roots; 10.0 very fine pores; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # MU015475
    Bt1—25 to 41 centimeters (9.8 to 16.1 inches); dark yellowish brown (10YR 4/6) silt loam; weak fine subangular blocky structure; friable; 3.0 very fine roots; 3.0 very fine and 0.5 fine pores; 15 percent distinct clay films; fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # MU015476
    Bt2—41 to 58 centimeters (16.1 to 22.8 inches); yellowish brown (10YR 5/6) silt loam; moderate fine subangular blocky structure; friable; 3.0 fine roots; 3.0 very fine and 0.5 fine pores; 15 percent distinct silt coats and 35 percent distinct clay films; 1 percent fine iron-manganese masses; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU015477. Roots grade from common to few with depth.
    Bt/E12—58 to 84 centimeters (22.8 to 33.1 inches); light brownish gray (10YR 6/2), white (10YR 8/1), dry; silty clay loam; 0.5 very fine roots; 0.5 very fine and 0.5 fine pores; 35 percent prominent brown (10YR 5/3) clay films; fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU015478. The roots were concentrated and matted along ped faces in the upper 2 inches of the horizon; clay percentage was 29.1 with a base saturation of 30 percent; 10 percent interfingering on ped faces and channels.
    Bt/E11—58 to 84 centimeters (22.8 to 33.1 inches); yellowish brown (10YR 5/4) silty clay loam; 10 percent yellowish brown (10YR 5/6) fine and 10 percent yellowish brown (10YR 5/8) fine mottles; moderate medium subangular blocky structure; firm; 1 percent fine and medium noncoherent cemented grayish brown (10YR 5/2) iron depletions; fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # MU015478
    2Bt3—84 to 99 centimeters (33.1 to 39.0 inches); strong brown (7.5YR 4/6) silt loam; strong fine subangular blocky structure; firm; 0.5 very fine roots; 3.0 very fine pores; white (10YR 8/1), dry, and 4 percent pale brown (10YR 6/3) silt coats and 15 percent prominent manganese or iron-manganese stains on faces of peds and 35 percent prominent brown (10YR 5/3) clay films; 1 percent fine iron-manganese masses and 10 percent coarse noncoherent cemented grayish brown (10YR 5/2) iron depletions; 2 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU015479. Silt features occupied less than 5 percent and were too thin to meet interfingering criteria; sand size particles greater than 0.10 increased from 5.5 to 9.9 percent, clay percentage was 19.4.
    2Bt4—99 to 130 centimeters (39.0 to 51.2 inches); strong brown (7.5YR 4/6) silt loam; weak medium prismatic parts to strong very fine subangular blocky structure; firm; 3.0 very fine pores; 35 percent prominent brown (10YR 5/3) clay films and 35 percent prominent silt coats; 1 percent fine iron-manganese masses and 10 percent coarse noncoherent cemented grayish brown (10YR 5/2) iron depletions; 5 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU015480
    3Bt5—130 to 175 centimeters (51.2 to 68.9 inches); strong brown (7.5YR 4/6) and strong brown (7.5YR 5/6) gravelly silt loam; weak coarse prismatic parts to strong very fine subangular blocky structure; firm; 3.0 very fine pores; 15 percent prominent clay films in root channels and/or pores and 15 percent distinct silt coats; 10 percent fine and medium noncoherent cemented gray (10YR 5/1) iron depletions; 30 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.3, hellige-truog. Lab sample # MU015481. A dense coarse lag gravel deposit was observed at 69 inches.; patchy - phpvsfiid 161910; patchy - phpvsfiid 161910