IDENTIFIERS

  • Current Taxon Name (Soil Name): Rocheport
  • OSD
  • Series Extent
  • User Site ID: 1992MO019046
  • User Pedon ID: 1992MO019046
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9201946
  • NCSS Pedon Lab Data NASIS Record ID - 27951
  • Print Date: 11/14/2025

    • 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: 38.7163433
  • Std. Longitude: -92.3185861
  • Datum: WGS84
  • Range: R12W
  • Section: 6
  • Location Description: 120 feet south and 2300 feet west of the northeast corner of sec. 6, T.45N.,R.12W.
  • State: Missouri
  • County: MO019—Boone
  • MLRA: 115—Central Mississippi Valley Wooded Slopes

    • PEDON

  • Describers Name: MWO and CCK
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Rocheport
  • PSC - 20 to 71 cm.
  • Classificaton Date - 3/25/1992
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or residuum
  • Landscape: hills
  • Landform: hillside
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/25/1992 (actual site observation date)
  • Air Photo ID: 48
  • 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

    argillic horizon

    lithic contact

    0—20

    20—150

    201—0

    —-

    —-

    —-
    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

    26

    —

    —

    —

    —

    180

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 20 centimeters (0.0 to 7.9 inches); brown (10YR 4/3) silt loam; moderate medium granular structure; friable; 3.0 fine and medium roots; 4 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # MU019871
    Bt1—20 to 46 centimeters (7.9 to 18.1 inches); strong brown (7.5YR 4/6) silty clay loam; moderate coarse subangular blocky parts to moderate medium subangular blocky structure; friable; 3.0 fine and medium roots; 35 percent clay films on faces of peds; fragments; slightly acid, pH 6.2, hellige-truog; gradual smooth boundary. Lab sample # MU019872
    Bt2—46 to 76 centimeters (18.1 to 29.9 inches); brown (7.5YR 4/4) silty clay loam; moderate medium subangular blocky structure; friable; 3.0 medium roots and 0.1 fine roots; 15 percent distinct silt coats and 35 percent clay films on faces of peds; 1 percent fine red (2.5YR 5/6) masses of oxidized iron; 1 percent medium yellowish brown (10YR 5/8); fragments; slightly acid, pH 6.1, hellige-truog; diffuse boundary. Lab sample # MU019873
    Bt3—76 to 107 centimeters (29.9 to 42.1 inches); brown (7.5YR 4/4) silty clay loam; 1 percent brown (10YR 5/3) coarse distinct mottles; moderate medium angular blocky structure; friable; 0.1 fine and medium roots; 35 percent clay films on faces of peds and 35 percent yellowish brown (10YR 5/6) silt coats; 4 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.1, hellige-truog; diffuse boundary. Lab sample # MU019874. (Note: The 10YR 5/3 mottle occurs in patches.)
    Bt4—107 to 150 centimeters (42.1 to 59.1 inches); brown (7.5YR 4/4) silt loam; 1 percent brown (10YR 5/3) coarse distinct mottles; moderate medium prismatic parts to moderate medium subangular blocky structure; friable; 0.1 fine roots; 35 percent clay films on faces of peds and 35 percent yellowish brown (10YR 5/6) silt coats; 4 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.1, hellige-truog; diffuse boundary. Lab sample # MU019875. (Note: The 10YR 5/3 mottle appears in patches.)
    2BC—150 to 201 centimeters (59.1 to 79.1 inches); brown (7.5YR 4/3) gravelly silty clay loam; 1 percent brown (10YR 4/3) medium faint mottles; moderate medium angular blocky structure; firm; 0.1 very fine roots; 15 percent faint manganese or iron-manganese stains; 1 percent fine yellowish red (5YR 4/6) masses of oxidized iron; 30 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.3, hellige-truog; clear wavy boundary. Lab sample # MU019876
    2R—201 centimeters (79.1 inches); fragments.