IDENTIFIERS

  • Current Taxon Name (Soil Name): Opal
  • OSD
  • Series Extent
  • User Site ID: S1984SD075003
  • User Pedon ID: 1984SD075003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0008
  • NCSS Pedon Lab Data NASIS Record ID - 55728
  • Print Date: 5/30/2024

    • 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: 43.9302788
  • Std. Longitude: -100.6602783
  • Datum: WGS84
  • Township: 1S
  • Range: 29E
  • Section: 28
  • PLSS Details: 1585 feet E and 2508 feet S of NW corner
  • State: South Dakota
  • County: SD075—Jones
  • MLRA: 63A—Northern Rolling Pierre Shale Plains

    • PEDON

  • Describers Name: G. Lemme, A. Faulkner, R. Schlepp and L. Zavesky
  • Current Taxonomic Class: Fine, smectitic, mesic Leptic Haplusterts
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Opal
  • PSC - 25 to 67 cm.
  • Classificaton Date - 9/5/2013
  • Classifier - A. Oxford
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - ustic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Opal
  • Taxonomic Class - Very-fine, montmorillonitic, mesic Udic Chromuster
  • Taxon Kind - series
  • Classificaton Date - 10/1/1984
  • Moisture Class - ustic
  • Moisture SUBClass - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: pediment
  • Hill Slope Profile: summit
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1984 (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

    —

    67 - 130

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

    mollic epipedon

    cambic horizon

    slickensides

    paralithic contact

    0—38

    3—55

    3—55

    67—130

    —-

    —-

    —-

    —-
    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

    —

    —

    708

    —

    45

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 3 centimeters (0.0 to 1.2 inches); grayish brown (10YR 5/2) interior, very dark gray (10YR 3/1) interior and very dark gray (10YR 3/1) crushed, moist; clay; weak medium platy, and moderate very fine and fine granular structure; slightly hard, friable, moderately sticky, moderately plastic; 5.5 fine and medium roots; 2.5 fine tubular pores; 1 percent by volume 2-39-75 millimeter mixed fragments; clear smooth boundary. Lab sample # 85P0050; dry when described;. many fine and medium roots
    Bss1—3 to 20 centimeters (1.2 to 7.9 inches); grayish brown (10YR 5/2) interior, very dark gray (10YR 3/1) interior and very dark grayish brown (10YR 3/2) crushed, moist; clay; moderate medium and coarse blocky, and moderate fine and medium subangular blocky structure; very hard, firm, very sticky, very plastic; 2.5 fine and medium roots throughout and 5.5 fine and medium roots between peds; 37 percent distinct nonintersecting slickensides on faces of peds; 1 percent by volume 2-39-75 millimeter mixed fragments; clear wavy boundary. Lab sample # 85P0051; dry when described;. Slickensides are horizontal and are 2 to 3 cm wide.; common nonintersecting slickensides surface features on faces of peds; many fine and medium roots between peds; common fine and medium roots throughout
    Bss2—20 to 38 centimeters (7.9 to 15.0 inches); grayish brown (2.5Y 5/2) interior, very dark grayish brown (2.5Y 3/2) interior and very dark grayish brown (2.5Y 3/2) crushed, moist; clay; weak coarse prismatic, and moderate medium subangular blocky structure; extremely hard, firm, very sticky, very plastic; 0.5 fine roots throughout and 2.5 fine roots between peds; 55 percent distinct slickensides (pedogenic) on faces of peds and 55 percent distinct very dark gray (10YR 3/1) organic stains on vertical faces of peds; 1 percent by volume 2-39-75 millimeter mixed fragments; strong effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 85P0052; dry when described;. Slickensides are tilted 10 to 15 degrees from horizontal and are 2 to 7 cm wide.; many intersecting slickensides surface features on faces of peds; many organic coats surface features on vertical faces of peds; common fine roots between peds; few fine roots throughout
    Bkss—38 to 55 centimeters (15.0 to 21.7 inches); light brownish gray (2.5Y 6/2) interior, dark grayish brown (2.5Y 4/2) interior and dark grayish brown (2.5Y 4/2) crushed, moist; clay; moderate medium and coarse subangular blocky structure; extremely hard, firm, very sticky, very plastic; 0.5 fine roots throughout and 2.5 fine roots between peds; 55 percent prominent slickensides (pedogenic) on faces of peds and 55 percent distinct very dark gray (10YR 3/1) organic stains on vertical faces of peds; 1 percent fine gypsum masses and 30 percent fine and medium lime masses; 1 percent by volume 2-39-75 millimeter mixed fragments; strong effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 85P0053; dry when described;. Slickensides are tilted 20 to 45 degrees from horizontal and 5 cm wide.; many fine and medium soft masses of lime concentrations; few fine masses of gypsum concentrations; many intersecting slickensides surface features on faces of peds; many organic coats surface features on vertical faces of peds; common fine roots between peds; few fine roots throughout
    C—55 to 67 centimeters (21.7 to 26.4 inches); light brownish gray (2.5Y 6/2) interior, dark grayish brown (2.5Y 4/2) interior, moist; clay; 30 percent yellowish brown (10YR 5/6) fine distinct mottles; massive; hard, firm, moderately sticky, moderately plastic; 0.5 fine and medium roots between peds; 15 percent distinct yellowish brown (10YR 5/6) iron stains on horizontal faces of peds and 37 percent very dark gray (10YR 3/1) organic stains on vertical faces of peds; 11 percent fine lime masses and 30 percent fine and medium gypsum masses; 1 percent by volume 2-39-75 millimeter mixed fragments; strong effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 85P0054; dry when described;. Carbonates, gypsum and roots follow old bedding planes. About 65% shale chips.; many fine and medium masses of gypsum concentrations; common fine soft masses of lime concentrations; common organic coats surface features on vertical faces of peds; few iron stains surface features on horizontal faces of peds; few fine and medium roots between peds; many fine distinct 10YR56 mottles
    Cr1—67 to 84 centimeters (26.4 to 33.1 inches); light brownish gray (2.5Y 6/2) interior and dark gray (5Y 4/1) interior, dark grayish brown (2.5Y 4/2) interior, moist; weathered bedrock; 11 percent strong brown (7.5YR 5/6) fine prominent mottles; 0.5 fine and medium roots between peds; 55 percent distinct yellowish brown (10YR 5/6) iron stains on horizontal faces of peds; 1 percent fine lime masses and 30 percent fine and medium gypsum masses; 1 percent by volume 2-39-75 millimeter mixed fragments; strong effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 85P0055; dry when described;. Roots, gypsum and carbonates follow bedding planes.; many fine and medium masses of gypsum concentrations; few fine soft masses of lime concentrations; many iron stains surface features on horizontal faces of peds; few fine and medium roots between peds; common fine prominent 7.5YR56 mottles
    Cr2—84 to 130 centimeters (33.1 to 51.2 inches); light brownish gray (2.5Y 6/2) interior and dark gray (5Y 4/1) interior, dark grayish brown (2.5Y 4/2) interior, moist; unweathered bedrock; 11 percent strong brown (7.5YR 5/6) fine prominent mottles; 0.5 fine roots between peds; 55 percent yellowish brown (10YR 5/6) iron stains on horizontal faces of peds; 1 percent fine gypsum masses; 1 percent by volume 2-39-75 millimeter mixed fragments; strong effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # 85P0056; dry when described;. Roots extend to 107 cm.; few fine masses of gypsum concentrations; many iron stains surface features on horizontal faces of peds; few fine roots between peds; common fine prominent 7.5YR56 mottles