IDENTIFIERS

  • Current Taxon Name (Soil Name): Ultic Haploxeralfs
  • OSD
  • Series Extent
  • Local Phase: Ione shallow
  • User Site ID: 11CA630DEB037
  • User Pedon ID: S2011CA009003
  • Vegetation Plot ID: 11CA630DEB037
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 12N7643
  • NCSS Pedon Lab Data NASIS Record ID - 55301
  • Print Date: 10/31/2024
  • 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: 38.1911111
  • Std. Longitude: -120.7947222
  • Datum: WGS84
  • Township: 04N
  • Range: 11E
  • Section: 20
  • PLSS Details: About 659 feet south and 539 feet E of the NW corner
  • Map Unit: 5100—Ultic Haploxeralfs-Typic Palexerults-Aquultic haploxeralfs complex, 1 to 12 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-B6—San Andreas, California
  • PEDON

  • Describers Name: Dylan Beaudette
  • Current Taxonomic Class: Clayey, kaolinitic, thermic, shallow Ultic Haploxeralfs
  • Current Taxon Kind: family
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Correlated Information:
  • Soil Name - Ultic Haploxeralfs (flagged as OSD)
  • PSC - 30 to 42 cm.
  • Classificaton Date - 7/11/2018
  • Classifier - Jennifer Wood
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Ione
  • Classificaton Date - 5/12/2011
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: colluvium derived from fanglomerate over residuum weathered from fanglomerate
  • Landscape: Sierra Nevada foothills
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/12/2011 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • 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

    AVFA

    BRDI3

    CALOC

    ELYMU

    ERODI

    Avena fatua

    Bromus diandrus

    Calochortus

    Elymus

    Erodium

    wild oat

    ripgut brome

    mariposa lily

    wildrye

    stork's bill

    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    densic material

    moderately coherent

    42 - 203

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

    ochric epipedon

    cambic horizon

    argillic horizon

    densic contact

    0—18

    8—30

    30—42

    42—203

    —-

    —-

    —-

    —-

    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

    229

    238

    A—0 to 8 centimeters (0.0 to 3.1 inches); pale brown (10YR 6/3), very dark grayish brown (10YR 3/2), moist; sandy loam; 54 percent sand; 34 percent silt; 12 percent clay; weak medium subangular blocky parts to weak fine granular structure; slightly hard, friable, nonsticky, nonplastic; 3.0 very fine roots throughout; 0.8 very fine irregular and 3.0 very fine irregular pores; 10 percent by volume nonflat indurated 2-?-75 millimeter mixed fragments; moderately acid, pH 5.6, chlorophenol red; clear smooth boundary.
    Bt1—8 to 30 centimeters (3.1 to 11.8 inches); very pale brown (10YR 7/3), brown (10YR 4/3), moist; gravelly sandy loam; 53 percent sand; 36 percent silt; 12 percent clay; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots throughout; 0.8 very fine irregular pores; 5 percent faint clay bridges on all faces of peds; 10 percent by volume nonflat indurated 76-?-250 millimeter quartz fragments and 20 percent by volume nonflat indurated 2-?-75 millimeter mixed fragments; moderately acid, pH 5.8, chlorophenol red; clear smooth boundary.
    Bt2—30 to 42 centimeters (11.8 to 16.5 inches); 50 percent yellowish red (5YR 5/8) and 50 percent white (10YR 8/1), 60 percent reddish brown (5YR 4/4) and 50 percent strong brown (7.5YR 5/6), moist; clay; 26 percent sand; 32 percent silt; 42 percent clay; strong coarse subangular blocky structure; moderately hard, firm, slightly sticky, moderately plastic; 0.8 very fine roots throughout; 8.0 very fine irregular and 0.8 medium tubular and 0.8 fine tubular pores; 70 percent prominent red (2.5YR 4/6) clay films on all faces of peds and 70 percent prominent red (2.5YR 4/6) clay films on rock fragments; 4 percent by volume nonflat moderately coherent cemented 2-?-75 millimeter mixed fragments and 8 percent by volume nonflat indurated 2-?-75 millimeter mixed fragments; slightly acid, pH 6.4, bromthymol blue; clear smooth boundary.
    Cd—42 to 203 centimeters (16.5 to 79.9 inches);, reddish yellow (7.5YR 6/8), moist; very paragravelly coarse sandy loam; 65 percent sand; 24 percent silt; 11 percent clay; massive; 10 percent by volume nonflat indurated 2-?-75 millimeter mixed fragments and 10 percent by volume nonflat moderately coherent cemented 2-?-75 millimeter siltstone, unspecified fragments and 35 percent by volume nonflat indurated 2-?-75 millimeter mixed fragments; moderately alkaline, pH 8.0, phenol red.