IDENTIFIERS

  • Current Taxon Name (Soil Name): Red Bluff
  • OSD
  • Series Extent
  • User Site ID: S1971-CA-05-057x
  • User Pedon ID: 71-CA-05-057x
  • Vegetation Plot ID: S1971-CA-05-057x
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD7105057
  • NCSS Pedon Lab Data NASIS Record ID - 42220
  • Print Date: 5/19/2024

    • 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: 38.2106060
  • Std. Longitude: -120.9037590
  • Datum: WGS84
  • Township: 4N
  • Range: 10E
  • Section: 8
  • PLSS Details: SW/4
  • Map Unit: 5101—Hornitos-Red Bluff-Ultic Haploxeralfs, shallow, complex, 3 to 25 percent slopes
  • State: California
  • County: CA009—Calaveras
  • MLRA: 18—Sierra Nevada Foothills
  • Non-MLRA Soil Survey Area: CA630—Central Sierra Foothills Area, California, Parts of Calaveras and Tuolumne Counties
  • 7.5 Minute USGS Quad: 38120-B8—Wallace, California

    • PEDON

  • Describers Name: JAD
  • Current Taxonomic Class: Fine, kaolinitic, thermic Ultic Palexeralfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Red Bluff
  • PSC - 30 to 80 cm.
  • Classificaton Date - 12/24/2015
  • Classifier - Theresa Kunch
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - RED BLUFF
  • Taxonomic Class - Fine, kaolinitic, thermic Ultic Palexeralfs
  • Classificaton Date - 2/25/2009
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: RES
  • Slope Complexity: simple
  • Drainage Class: well
  • Geology: Mixed Gravelly Terraces formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/25/2009 (entry creation 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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    QUWI2

    Quercus wislizeni

    interior live oak

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    —

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

    ochric epipedon

    argillic horizon

    0—30

    30—122

    —-

    —-
    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

    9

    —

    —

    114

    —

    135

    508

    —

    —

    5

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    C—0 to 8 centimeters (0.0 to 3.1 inches); sand; fragments; abrupt irregular boundary. Lab sample # UCD03710
    A—8 to 31 centimeters (3.1 to 12.2 inches); reddish brown (5YR 4/3), dark brown (7.5YR 3/2), moist; coarse sandy loam; weak fine subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 21.0 very fine roots throughout and 21.0 fine roots throughout; 21.0 very fine irregular and 21.0 very fine tubular and 21.0 fine tubular and 21.0 fine irregular pores; fragments; slightly acid, pH 6.3; clear wavy boundary. Lab sample # UCD03711
    BAt—31 to 46 centimeters (12.2 to 18.1 inches); red (2.5YR 4/6), 50 percent dark red (2.5YR 3/6) and 50 percent dark reddish brown (2.5YR 3/4), moist; gravelly loam; weak medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 3.0 medium roots throughout and 3.0 fine roots throughout; 3.0 very fine irregular and 3.0 very fine tubular and 3.0 fine irregular and 3.0 fine tubular pores; 10 percent clay films between sand grains; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; moderately acid, pH 6.0; gradual wavy boundary. Lab sample # UCD03712
    Bt1—46 to 92 centimeters (18.1 to 36.2 inches); red (2.5YR 4/8), 2.5YR 3/8 (2.5YR 3/8), moist; gravelly clay; moderate medium subangular blocky structure; very hard, firm, very sticky, very plastic; 0.5 medium roots throughout and 0.5 fine roots throughout; 0.5 fine irregular and 0.5 fine tubular pores; 30 percent clay films on all faces of peds and 30 percent clay films on surfaces along pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; very strongly acid, pH 5.0; diffuse irregular boundary. Lab sample # UCD03713
    Bt2—92 to 122 centimeters (36.2 to 48.0 inches); 10R 3/8 (10R 3/8), dark red (10R 3/6), moist; gravelly clay; massive; extremely hard, firm, very sticky, very plastic; 0.1 fine roots throughout; 0.1 fine tubular pores; 75 percent clay films between sand grains; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; very strongly acid, pH 4.8. Lab sample # UCD03714