IDENTIFIERS

  • Current Taxon Name (Soil Name): Deerflat
  • OSD
  • Series Extent
  • User Site ID: S2008CA630AMS017
  • User Pedon ID: S08CA109001
  • Vegetation Plot ID: S2008CA630AMS017
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 08N0694
  • NCSS Pedon Lab Data NASIS Record ID - 20309
  • 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: 37.8891678
  • Std. Longitude: -120.3297195
  • Datum: WGS84
  • Township: 15E
  • Range: 1S
  • Section: 4
  • Location Description: Near Tuolumne Canyon and Wards Ferry Road. At the farmstead of Randy Moss.
  • State: California
  • County: CA109—Tuolumne
  • MLRA: 18—Sierra Nevada Foothills
  • Regional Office: SW—Southwest
  • Non-MLRA Soil Survey Area: CA630—Central Sierra Foothills Area, California, Parts of Calaveras and Tuolumne Counties
  • 7.5 Minute USGS Quad: 37120-H3—Standard, California

    • PEDON

  • Describers Name: Alison Steglich
  • Current Taxonomic Class: Fine-loamy, mixed, semiactive, thermic Ultic Haploxeralfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Correlated Information:
  • Soil Name - Deerflat (flagged as OSD)
  • PSC - 20 to 70 cm.
  • Classificaton Date - 8/14/2018
  • Classifier - Cathy Scott
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Deerflat
  • Classificaton Date - 6/4/2008
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium derived from phyllite and/or residuum weathered from phyllite
  • Landscape: hills, foothills
  • Landform: erosion remnant
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Drainage Class: well
  • Ponding: none ponding for very brief periods
  • Bedrock: moderately coherent moderate weathered phyllite at 180cm with 10 to <45
  • Geology: Calaveras Complex formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/4/2008 (actual site observation date)
  • Plant Association Name: Blue Oak Woodland
  • 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

    BRHOH

    CIRSI

    ELELC2

    QUDO

    Avena fatua

    Bromus hordeaceus ssp. hordeaceus

    Cirsium

    Elymus elymoides ssp. californicus

    Quercus douglasii

    wild oat

    soft brome

    thistle

    squirreltail

    blue oak

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

    bedrock, paralithic

    moderately coherent

    180 -

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

    ochric epipedon

    argillic horizon

    paralithic contact

    0—20

    42—140

    180—

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    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

    12

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    544

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    70

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    A—0 to 4 centimeters (0.0 to 1.6 inches); brown (10YR 5/3), very dark grayish brown (10YR 3/2), moist; silt loam; 29 percent sand; 58 percent silt; 13 percent clay; moderate fine granular structure; slightly hard, friable, nonsticky, slightly plastic; 8.0 very fine roots throughout and 8.0 fine roots throughout; 3.0 very fine irregular and 3.0 fine irregular pores; 1 percent fine mica flakes, unspecified in matrix; 2 percent by volume nonflat subangular indurated 2-?-5 millimeter phyllite fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary.
    AB—4 to 20 centimeters (1.6 to 7.9 inches); yellowish brown (10YR 5/4), brown (10YR 4/3), moist; silt loam; 31 percent sand; 57 percent silt; 12 percent clay; moderate medium subangular blocky structure; slightly hard, friable, nonsticky, slightly plastic; 3.0 very fine roots throughout and 3.0 fine roots throughout; 1.0 very fine tubular and 1.0 very fine irregular and 1.0 fine irregular pores; 1 percent fine dark yellowish brown (10YR 4/4) iron-manganese masses in matrix and 5 percent medium brown (10YR 5/3), dry, iron depletions in matrix; 1 percent fine mica flakes, unspecified in matrix; 5 percent by volume nonflat subangular indurated 2-?-5 millimeter phyllite fragments; moderately acid, pH 5.9, hellige-truog; clear smooth boundary.
    Bt1—20 to 42 centimeters (7.9 to 16.5 inches); yellowish brown (10YR 5/4), dark brown (10YR 3/3), moist; silt loam; 29 percent sand; 55 percent silt; 16 percent clay; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.8 very fine roots throughout and 0.8 fine roots throughout; 2.0 very fine irregular and 1.0 medium tubular and 2.0 fine irregular and 1.0 fine tubular pores; 5 percent faint yellowish brown (10YR 5/4), dry, clay films on all faces of peds and 10 percent pale brown (10YR 6/3), dry, silt coats on all faces of peds; ; 2 percent fine mica flakes, unspecified in matrix; 5 percent by volume nonflat subangular indurated 2-?-5 millimeter phyllite fragments; moderately acid, pH 6.0, hellige-truog; clear irregular boundary.
    Bt2—42 to 53 centimeters (16.5 to 20.9 inches); brown (7.5YR 5/4), brown (7.5YR 4/3), moist; silt loam; 25 percent sand; 53 percent silt; 22 percent clay; strong coarse subangular blocky structure; moderately hard, friable, slightly sticky, slightly plastic; 0.8 very fine roots throughout and 0.8 fine roots throughout; 1.0 very fine irregular and 1.0 fine irregular and 1.0 fine tubular pores; 20 percent distinct strong brown (7.5YR 4/6), dry, clay films on all faces of peds; 2 percent fine mica flakes, unspecified in matrix; 5 percent by volume nonflat subangular indurated 2-?-5 millimeter phyllite fragments; moderately acid, pH 6.0, hellige-truog; clear irregular boundary.
    Bt3—53 to 78 centimeters (20.9 to 30.7 inches);, brown (7.5YR 4/4), moist; gravelly silty clay loam; 18 percent sand; 48 percent silt; 34 percent clay; strong coarse subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 0.8 very fine roots throughout and 0.8 medium roots throughout and 0.8 fine roots throughout; 1.0 very fine tubular and 1.0 very fine irregular and 1.0 fine irregular pores; 40 percent distinct strong brown (7.5YR 4/6), dry, clay films on all faces of peds; 1 percent fine mica flakes, unspecified in matrix; 5 percent by volume nonflat subangular weakly coherent cemented 2-?-10 millimeter phyllite fragments and 20 percent by volume nonflat subangular strongly coherent cemented 2-?-10 millimeter phyllite fragments; slightly acid, pH 6.5, hellige-truog; gradual wavy boundary.
    Bt4—78 to 112 centimeters (30.7 to 44.1 inches);, brown (7.5YR 4/4), moist; gravelly loam; 25 percent sand; 48 percent silt; 27 percent clay; strong coarse subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 0.8 very fine roots throughout and 0.8 medium roots throughout and 0.8 fine roots throughout; 1.0 very fine irregular pores; 50 percent distinct brown (7.5YR 4/3), moist, clay films on all faces of peds; 1 percent fine mica flakes, unspecified in matrix; 5 percent by volume nonflat subangular weakly coherent cemented 2-?-10 millimeter phyllite fragments and 20 percent by volume nonflat subangular strongly coherent cemented 2-?-10 millimeter phyllite fragments; neutral, pH 7.3, hellige-truog; gradual wavy boundary.
    Bt5—112 to 140 centimeters (44.1 to 55.1 inches);, brown (7.5YR 4/4), moist; paragravelly loam; 29 percent sand; 49 percent silt; 22 percent clay; moderate coarse subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 0.8 very fine roots throughout; 1.0 very fine irregular and 1.0 fine irregular pores; 20 percent distinct dark brown (7.5YR 3/4), moist, clay films on all faces of peds; 5 percent fine mica flakes, unspecified in matrix; 30 percent by volume nonflat subangular weakly coherent cemented 2-?-10 millimeter phyllite fragments; slightly alkaline, pH 7.4, hellige-truog; gradual wavy boundary.
    BCt—140 to 180 centimeters (55.1 to 70.9 inches);, dark brown (7.5YR 3/4), moist; very paragravelly loam; 47 percent sand; 41 percent silt; 12 percent clay; weak coarse subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 0.8 very fine roots throughout; 1.0 very fine irregular and 1.0 fine irregular pores; 20 percent distinct dark brown (7.5YR 3/4), moist, clay films on all faces of peds; 5 percent fine mica flakes, unspecified in matrix; 50 percent by volume nonflat subangular weakly coherent cemented 2-?-10 millimeter phyllite fragments; neutral, pH 7.3, hellige-truog; clear wavy boundary.
    Cr—180 centimeters (70.9 inches); bedrock; fragments.