IDENTIFIERS

  • Current Taxon Name (Soil Name): Marquand
  • OSD
  • Series Extent
  • User Site ID: 1994MO123015M
  • User Pedon ID: 1994MO123015M
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9412315
  • NCSS Pedon Lab Data NASIS Record ID - 27451
  • Print Date: 2/17/2025

    • 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: 37.5148621
  • Std. Longitude: -90.4075241
  • Datum: WGS84
  • Township: T33N
  • Range: R6E
  • Section: 29
  • PLSS Details: 3750 feet S and 2300 feet E of the NW corner
  • Location Description: 3750 ft S and 2300 ft E of NW sec 29, T. 33 N., R. 6 E.
  • Map Unit: 20C—Marquand silt loam, 3 to 8 percent slopes73146—Marquand silt loam, 3 to 8 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-E4—Rhodes Mountain, Missouri

    • PEDON

  • Describers Name: KEB AND MLC
  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Glossic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: within range of map unit
  • 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 - 6/22/1994
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 51 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: slope alluvium derived from mixed over alluvium derived from mixed
  • Landscape: basin
  • Landform: stream terrace
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: footslope
  • Slope Position: lower third
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/22/1994 (actual site observation date)
  • Air Photo ID: B-4
  • 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—188

    —-

    —-
    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

    —

    —

    217

    —

    120

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 4/3), light yellowish brown (10YR 6/4), dry; silt loam; weak very fine granular structure; friable; 10.0 very fine and fine roots throughout; 10 percent fine and medium black (10YR 2/1) iron-manganese concretions; 3 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.3, hellige-truog; abrupt wavy boundary. Lab sample # MU016456
    E—18 to 25 centimeters (7.1 to 9.8 inches); brown (10YR 5/3), light yellowish brown (10YR 6/4), dry; silt loam; weak very fine subangular blocky parts to moderate very fine granular structure; friable; 3.0 very fine roots throughout; 10 percent fine and medium black (10YR 2/1) iron-manganese concretions; 3 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.2, hellige-truog; clear wavy boundary. Lab sample # MU016457
    Bt1—25 to 41 centimeters (9.8 to 16.1 inches); yellowish brown (10YR 5/6) silty clay loam; moderate very fine subangular blocky structure; friable; 3.0 very fine roots between peds; 30 percent faint clay films on faces of peds; 1 percent fine and medium black (10YR 2/1) iron-manganese concretions; 3 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU016458. discontinuous - phpvsfiid 168619; discontinuous - phpvsfiid 168619
    Bt2—41 to 56 centimeters (16.1 to 22.0 inches); 70 percent yellowish brown (10YR 5/6) and 30 percent dark yellowish brown (10YR 4/6) silt loam; moderate very fine subangular blocky structure; friable; 3.0 very fine roots between peds; 15 percent distinct pale brown (10YR 6/3) silt coats on faces of peds and 60 percent distinct clay films on faces of peds; 1 percent fine and medium black (10YR 2/1) iron-manganese concretions; 1 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # MU016459. patchy - phpvsfiid 163363; continuous - phpvsfiid 168620; patchy - phpvsfiid 163363; continuous - phpvsfiid 168620
    2Bt/E11—56 to 66 centimeters (22.0 to 26.0 inches); 80 percent yellowish brown (10YR 5/4) and 20 percent dark yellowish brown (10YR 4/6) silt loam; moderate very fine subangular blocky structure; friable; 30 percent distinct clay films on faces of peds and 30 percent prominent clay films on vertical faces of peds; 10 percent fine and medium black (10YR 2/1) iron-manganese concretions; fragments; very strongly acid, pH 4.7, hellige-truog. Lab sample # MU016460. discontinuous - phpvsfiid 163364; discontinuous - phpvsfiid 163365; discontinuous - phpvsfiid 163364; discontinuous - phpvsfiid 163365
    2Bt/E12—56 to 66 centimeters (22.0 to 26.0 inches); light brownish gray (10YR 6/2) silt loam; 10 percent pale brown (10YR 6/3) fine faint mottles; 3.0 very fine roots between peds; 1 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU016460
    2Bt3—66 to 91 centimeters (26.0 to 35.8 inches); 60 percent yellowish brown (10YR 5/6) and 40 percent light yellowish brown (10YR 6/4) silty clay loam; moderate very fine and fine subangular blocky structure; friable; 0.5 very fine and fine roots between peds; 30 percent distinct clay films on faces of peds and 30 percent prominent clay films on vertical faces of peds; 2 percent fine black (10YR 2/1) iron-manganese concretions; fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU016461. discontinuous - phpvsfiid 163366; discontinuous - phpvsfiid 163367; discontinuous - phpvsfiid 163366; discontinuous - phpvsfiid 163367
    2Bt4—91 to 124 centimeters (35.8 to 48.8 inches); yellowish brown (10YR 5/4) silty clay loam; 1 percent dark yellowish brown (10YR 4/4) medium faint and 10 percent pale brown (10YR 6/3) medium faint mottles; weak fine subangular blocky structure; friable; 0.5 fine roots in cracks; 10 percent prominent clay films on vertical faces of peds and 60 percent distinct clay films on faces of peds; 3 percent fine black (10YR 2/1) iron-manganese concretions; fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # MU016462. continuous - phpvsfiid 163368; discontinuous - phpvsfiid 163369; continuous - phpvsfiid 163368; discontinuous - phpvsfiid 163369
    2Bt5—124 to 150 centimeters (48.8 to 59.1 inches); 40 percent dark yellowish brown (10YR 4/6) and 40 percent yellowish brown (10YR 5/4) and 20 percent pale brown (10YR 6/3) silt loam; moderate fine subangular blocky structure; friable; 0.5 medium roots in cracks; 15 percent faint light brownish gray (10YR 6/2) silt coats on faces of peds and 60 percent distinct clay films on faces of peds; 5 percent fine black (10YR 2/1) iron-manganese concretions throughout; 4 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.3, hellige-truog; abrupt wavy boundary. Lab sample # MU016463. Rhyolite gravel and larger rocks observed.; continuous - phpvsfiid 163370; patchy - phpvsfiid 163371; continuous - phpvsfiid 163370; patchy - phpvsfiid 163371
    3Bt6—150 to 188 centimeters (59.1 to 74.0 inches); 50 percent dark yellowish brown (10YR 4/6) and 35 percent yellowish brown (10YR 5/6) and 15 percent light brownish gray (10YR 6/2) clay loam; moderate fine subangular blocky structure; firm; 0.5 medium roots top of horizon; 30 percent distinct clay films on faces of peds; 25 percent fine black (10YR 2/1) iron-manganese concretions throughout; 9 percent by volume 2-39-75 millimeter unspecified fragments; slightly alkaline, pH 7.6, hellige-truog. Lab sample # MU016464. discontinuous - phpvsfiid 163372; discontinuous - phpvsfiid 163372