IDENTIFIERS

  • Current Taxon Name (Soil Name): Opal
  • OSD
  • Series Extent
  • User Site ID: S1983SD085001
  • User Pedon ID: 1983SD085001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 84P0048
  • NCSS Pedon Lab Data NASIS Record ID - 53742
  • Print Date: 11/23/2024

    • 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: 43.8936119
  • Std. Longitude: -99.9172211
  • Datum: WGS84
  • Township: 105N
  • Range: 76W
  • Section: 14
  • PLSS Details: 689 meters E and 336 meters N of the SW corner
  • State: South Dakota
  • County: SD085—Lyman

    • PEDON

  • Describers Name: Thomas Schumacher
  • Current Taxonomic Class: Fine, smectitic, mesic Vertic Haplustepts
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Opal
  • PSC - 25 to 81 cm.
  • Classificaton Date - 9/5/2013
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - ustic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Opal
  • Taxonomic Class - Very-fine, montmorillonitic Vertic Haplustolls
  • Classificaton Date - 4/1/1983
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: upland slope
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/1/1983 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    —

    81 - 152

    - 71 -

    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    cambic horizon

    paralithic contact

    0—13

    13—36

    81—152

    —13—

    —23—

    —71—
    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

    4

    —

    —

    —

    —

    45

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 13 centimeters (0.0 to 5.1 inches); dark gray (10YR 4/1) interior, very dark gray (10YR 3/1) interior, moist; clay; weak fine and medium subangular blocky, and moderate fine and medium granular structure; hard, firm, moderately sticky, moderately plastic; 5.5 fine roots; fragments; slightly alkaline, pH 7.6, hellige-truog; clear wavy boundary. Lab sample # 84P0209. many fine roots
    Bw—13 to 36 centimeters (5.1 to 14.2 inches); grayish brown (2.5Y 5/2) interior, very dark grayish brown (2.5Y 3/2) interior, moist; clay; weak coarse prismatic, and moderate fine and medium blocky structure; extremely hard, very firm, moderately sticky, moderately plastic; 2.5 fine roots; 1 percent fine carbonate concretions; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; gradual wavy boundary. Lab sample # 84P0210. few fine lime concretions concentrations; common fine roots
    Bk1—36 to 53 centimeters (14.2 to 20.9 inches); grayish brown (2.5Y 5/2) interior, dark grayish brown (2.5Y 4/2) interior and very dark grayish brown (2.5Y 3/2) interior, moist; clay; weak coarse blocky, and moderate medium blocky structure; extremely hard, very firm, moderately sticky, moderately plastic; 0.5 fine roots; 11 percent fine carbonate concretions; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; gradual wavy boundary. Lab sample # 84P0211. Surfaces on faces of the peds cracks from 1/2 to 1 inch wide.; common fine lime concretions concentrations; few fine roots
    Bk2—53 to 69 centimeters (20.9 to 27.2 inches); grayish brown (2.5Y 5/2) interior, dark grayish brown (2.5Y 4/2) interior, moist; clay; moderate fine and medium blocky structure; extremely hard, very firm, moderately sticky, moderately plastic; 1.0 fine roots; 11 percent fine carbonate concretions; fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.6, hellige-truog; clear wavy boundary. Lab sample # 84P0212. Many stains Fe and Mn oxides in seams.; common fine lime concretions concentrations; few to common fine roots
    Cyz—69 to 81 centimeters (27.2 to 31.9 inches); grayish brown (2.5Y 5/2) interior, dark grayish brown (2.5Y 4/2) interior, moist; shaly clay; massive; hard, very firm, moderately sticky, moderately plastic; 1 percent fine salt masses and 1 percent fine gypsum masses; 30 percent by volume 2-39-75 millimeter shale, unspecified fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 84P0213. few fine salt masses concentrations; few fine masses of gypsum concentrations; Since there are salt and gypsum masses described, I added the y and z suffixes to this horizon.
    Cr—81 to 152 centimeters (31.9 to 59.8 inches); gray (5Y 5/1) interior, very dark gray (5Y 3/1) interior, moist; unweathered bedrock; fragments; strongly acid, pH 5.3, hellige-truog. Lab sample # 84P0214