IDENTIFIERS

  • Current Taxon Name (Soil Name): Roca
  • OSD
  • Series Extent
  • User Site ID: S1982NV027004
  • User Pedon ID: 82NV027004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 82P0711
  • NCSS Pedon Lab Data NASIS Record ID - 51498
  • 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: 40.4358330
  • Std. Longitude: -118.1344452
  • Datum: WGS84
  • Township: 30N
  • Range: 34E
  • Section: 34
  • PLSS Details: 250 feet W and 200 feet S of NE corner
  • State: Nevada
  • County: NV027—Pershing
  • Non-MLRA Soil Survey Area: NV769—Pershing County, Nevada, East Part
  • PEDON

  • Current Taxonomic Class: Fine-loamy, mixed, superactive, frigid Xerollic Haplargids
  • Current Taxon Kind: taxadjunct
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Roca
  • PSC - 33 to 66 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - xeric
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - Roca
  • Taxonomic Class - Clayey-skeletal, montmorillonitic, frigid Xerollic
  • Taxon Kind - series
  • Classificaton Date - 4/1/1982
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landform: hillside or mountainside
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/1/1982 (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 Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—20

    33—66

    —-

    —-

    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

    32

    1647

    180

    25

    7

    8

    1A1—0 to 5 centimeters (0.0 to 2.0 inches); very dark grayish brown (10YR 3/2) interior, light brownish gray (10YR 6/2) interior, dry; very cobbly loam; 45 percent sand; 40 percent silt; moderate fine platy structure; slightly hard, very friable, slightly sticky, slightly plastic; 2.5 very fine roots; 5.5 very fine and fine vesicular pores; fragments; neutral, pH 7.2, hellige-truog; clear smooth boundary. Lab sample # 82P03734. 15% clay.; common very fine roots
    1A2—5 to 20 centimeters (2.0 to 7.9 inches); dark brown (10YR 3/3) interior, pale brown (10YR 6/3) interior, dry; loam; 40 percent sand; 45 percent silt; moderate fine platy structure; soft, very friable, slightly sticky, slightly plastic; 5.5 very fine roots and 0.5 fine and medium roots; 5.5 very fine tubular pores; fragments; slightly alkaline, pH 7.6, hellige-truog; clear smooth boundary. Lab sample # 82P03735. 15% clay.; many very fine roots; few fine and medium roots
    1AB—20 to 33 centimeters (7.9 to 13.0 inches); dark brown (10YR 3/3) interior, pale brown (10YR 6/3) interior, dry; cobbly loam; 35 percent sand; 45 percent silt; moderate fine and medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots and 0.5 fine roots; 5.5 very fine tubular pores; fragments; slightly alkaline, pH 7.6, hellige-truog; clear wavy boundary. Lab sample # 82P03736. 20% clay.; common very fine roots; few fine roots
    1Bt1—33 to 46 centimeters (13.0 to 18.1 inches); brown (10YR 4/3) interior, pale brown (10YR 6/3) interior, dry; very gravelly clay loam; 35 percent sand; 37 percent silt; moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots and 0.5 fine roots; 2.5 very fine tubular pores; 15 percent faint clay films on faces of peds and in pores; fragments; slightly alkaline, pH 7.6, hellige-truog; abrupt wavy boundary. Lab sample # 82P03737. 31% clay.; few clay films surface features on faces of peds and in pores; common very fine roots; few fine roots
    1Bt2—46 to 58 centimeters (18.1 to 22.8 inches); brown (7.5YR 4/4) interior, brown (7.5YR 5/4) interior, dry; very gravelly clay; 25 percent sand; 30 percent silt; massive; very hard, firm, very sticky, very plastic; 0.5 very fine roots; 0.5 very fine tubular pores; 15 percent prominent clay films on faces of peds and in pores; fragments; slightly alkaline, pH 7.4, hellige-truog; clear smooth boundary. Lab sample # 82P03738. 30% clay.; few clay films surface features on faces of peds and in pores; few very fine roots
    1Bt3—58 to 66 centimeters (22.8 to 26.0 inches); brown (7.5YR 4/4) interior, strong brown (7.5YR 5/6) interior, dry; very gravelly clay; 25 percent sand; 30 percent silt; massive; very hard, firm, very sticky, very plastic; 0.5 very fine roots; 0.5 very fine tubular pores; 37 percent prominent clay films on faces of peds and in pores; fragments; slightly alkaline, pH 7.4, hellige-truog; clear wavy boundary. Lab sample # 82P03739. 45% clay.; common clay films surface features on faces of peds and in pores; few very fine roots
    1R—66 to 91 centimeters (26.0 to 35.8 inches); unknown texture; fragments.