IDENTIFIERS

  • Current Taxon Name (Soil Name): Diablo
  • OSD
  • Series Extent
  • User Site ID: S1961CA097012
  • User Pedon ID: S1961CA097012
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3097
  • NCSS Pedon Lab Data NASIS Record ID - 38226
  • Print Date: 11/21/2024
  • 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: 38.2811127
  • Std. Longitude: -122.5908356
  • Datum: WGS84
  • Township: 5N
  • Range: 7W
  • Section: 13
  • PLSS Details: SW1/4, NW1/4
  • Location Description: Sartori Ranch - 1600 feet west and 1000 feet south of northerly most water tank on Manor Lane.
  • State: California
  • County: CA097—Sonoma
  • MLRA: 14—Central California Coastal Valleys
  • Non-MLRA Soil Survey Area: CA097—Sonoma County, California
  • PEDON

  • Current Taxonomic Class: Fine, smectitic, thermic Aridic Haploxererts
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 12
  • Correlated Information:
  • Soil Name - Diablo
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - xeric
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Diablo
  • Classificaton Date - 6/28/1961
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: hills
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/28/1961 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • 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

    14

    122

    135

    635

    14.4

    18.9

    8.3

    Ap—0 to 18 centimeters (0.0 to 7.1 inches); dark gray (N 4/0), very dark gray (10YR 3/1), moist; clay; strong very fine subangular blocky, and weak coarse subangular blocky structure; very hard, firm, very sticky, very plastic; 21.0 very fine and fine roots; 21.0 very fine and fine interstitial pores; fragments; slightly acid, pH 6.5, unspecified; abrupt wavy boundary. Lab sample # 40A24215
    A11—18 to 48 centimeters (7.1 to 18.9 inches); very dark gray (N 3/0), black (10YR 2/1), moist; clay; 3 percent light gray (10YR 7/1) fine distinct and 3 percent gray (10YR 5/1) fine distinct mottles; massive; extremely hard, extremely firm, very sticky, very plastic; 21.0 very fine and fine roots; 3.0 very fine tubular pores; 30 percent slickensides (pedogenic); 1 percent carbonate concretions and lime masses; fragments; slightly acid, pH 6.5, unspecified; gradual smooth boundary. Lab sample # 40A24216. few small scattered lime concretions and blotches.
    A12—48 to 76 centimeters (18.9 to 29.9 inches); dark gray (5Y 4/1), very dark grayish brown (2.5Y 3/2), moist; clay; massive parts to weak fine subangular blocky; extremely hard, very firm, very sticky, very plastic; 21.0 very fine roots; 3.0 fine tubular pores; 1 percent carbonate concretions and lime masses; fragments; moderately alkaline, pH 8.0, unspecified; gradual smooth boundary. Lab sample # 40A24217. few small scattered lime concretions and blotches.
    AC—76 to 97 centimeters (29.9 to 38.2 inches); dark gray (N 4/0), olive gray (5Y 4/2), moist; clay; 21 percent white (N 8/0) medium distinct mottles; massive; extremely hard, very firm, very sticky, very plastic; 0.1 very fine roots; 3.0 very fine and fine tubular pores; slickensides (pedogenic); fragments; moderately alkaline, pH 8.0, unspecified; gradual smooth boundary. Lab sample # 40A24218. scattered lime splotches throughout mass, fine and medium size.
    C1—97 to 117 centimeters (38.2 to 46.1 inches); light olive gray (5Y 6/2), olive gray (5Y 4/2), moist; clay; massive; extremely hard, very firm, very sticky, very plastic; 0.1 very fine roots; 3.0 very fine and fine tubular pores; slickensides (pedogenic); fragments; moderately alkaline, pH 8.0, unspecified; gradual wavy boundary. Lab sample # 40A24219. tonguing of A material into horizon, 2 to 10 millimeters in thickness; mass is limy with scattered splotches, but slickensides are less numerous than above.
    C2—117 to 142 centimeters (46.1 to 55.9 inches); light olive gray (5Y 6/2), olive gray (5Y 4/2), moist; clay; massive, and medium subangular blocky; extremely hard, firm, moderately sticky, moderately plastic; 0.1 fine roots; 3.0 very fine and fine tubular pores; carbonate concretions; fragments. Lab sample # 40A24220. knots of weathered siltstone present breaking out to medium subangular blocky structure; few large soft lime streaks present, also some small and medium lime concretions mixed in with general matrix.
    C3—142 to 183 centimeters (55.9 to 72.0 inches); light olive gray (5Y 6/2), olive gray (5Y 4/2), moist; clay; massive; extremely hard, firm, very sticky, very plastic; 0.1 fine roots; 3.0 very fine and fine tubular pores; 75 percent slickensides (pedogenic); fragments; moderately alkaline, pH 8.0, unspecified; diffuse irregular boundary. Lab sample # 40A24221. calcareous throughout mass with some large blotchy areas; small fragments of weathered siltstone throughout horizon.
    C4—183 to 211 centimeters (72.0 to 83.1 inches); light gray (5Y 7/2), olive gray (5Y 4/2), moist; clay; massive, and medium subangular blocky; very hard, firm, very sticky, very plastic; 0.0 roots; 3.0 very fine tubular pores; 75 percent slickensides (pedogenic); fragments; moderately alkaline, pH 8.0, unspecified. Lab sample # 40A24222. some portions of mass have medium subangular blocky structure; few small lime flecks present ; effervescence is restricted to lime flecks.