IDENTIFIERS

  • Current Taxon Name (Soil Name): Mariposa
  • OSD
  • Series Extent
  • User Site ID: R09CA630BJM035
  • User Pedon ID: S2009BJM035
  • Vegetation Plot ID: R09CA630BJM035
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 10N0461
  • NCSS Pedon Lab Data NASIS Record ID - 24758
  • Print Date: 11/11/2024

    • 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: 37.8250008
  • Std. Longitude: -120.2386093
  • Datum: WGS84
  • Township: 1 S
  • Range: 16 E
  • Section: 29
  • PLSS Details: about 1760 feet west and 2400 feet south of the northeast corner section
  • Map Unit: 8161—Nedsgulch-Sites complex, 15 to 30 percent slopes
  • State: California
  • County: CA109—Tuolumne
  • MLRA: 22A—Sierra Nevada and Tehachapi Mountains
  • 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-G2—Groveland, California

    • PEDON

  • Describers Name: Ben Marshall
  • Current Taxonomic Class: Fine-loamy, mixed, semiactive, mesic Typic Haploxerults
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Correlated Information:
  • Soil Name - Mariposa
  • PSC - 11 to 60 cm.
  • Classificaton Date - 1/29/2015
  • Classifier - Theresa Kunch
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Jackgulch
  • Classificaton Date - 4/2/2009
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from phyllite
  • Landscape: Sierra Nevada foothills
  • Landform: mountain slope
  • Geomorphic Component Hills: side slope
  • Geomorphic Component Mountains: mountainflank, lower third
  • Hill Slope Profile: toeslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: strongly coherent phyllite at 60cm
  • Geology: Sullivan Terranes formation.
  • Surface Fragments: 15.00 percent flat indurated phyllite,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/2/2009 (actual site observation date)
  • Plant Association Name: Sierra Mixed Conifers
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • 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

    ARCTO3

    CECU

    PILA

    PIPO

    QUAG

    QUKE

    Arctostaphylos

    Ceanothus cuneatus

    Pinus lambertiana

    Pinus ponderosa

    Quercus agrifolia

    Quercus kelloggii

    manzanita

    buckbrush

    sugar pine

    ponderosa pine

    California live oak

    California black oak

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

    bedrock, paralithic

    strongly coherent

    60 - 200

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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—11

    11—50

    60—200

    —11—

    —39—

    —140—
    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

    20

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    1007

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    180

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    Oi—0 to 2 centimeters (0.0 to 0.8 inches); highly decomposed plant material; fragments.
    A—2 to 11 centimeters (0.8 to 4.3 inches); dark yellowish brown (10YR 4/4), dark yellowish brown (10YR 3/4), moist; silt loam; 25 percent sand; 59 percent silt; 16 percent clay; strong medium granular structure; slightly hard, friable, nonsticky, nonplastic; 3.0 very fine roots throughout and 1.0 medium roots throughout and 3.0 fine roots throughout; 2.0 medium irregular pores; 10 percent faint dark yellowish brown (10YR 3/4) clay films on all faces of peds; 10 percent by volume nonflat strongly coherent cemented 2-?-76 millimeter phyllite fragments; noneffervescent; slightly acid, pH 6.2, bromthymol blue; gradual smooth boundary.
    Bt1—11 to 29 centimeters (4.3 to 11.4 inches); dark yellowish brown (10YR 4/6), dark yellowish brown (10YR 3/6), moist; loam; 45 percent sand; 29 percent silt; 26 percent clay; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.0 very fine roots throughout and 1.0 medium roots throughout and 2.0 fine roots throughout and 1.0 coarse roots throughout; 2.0 medium tubular pores; 30 percent distinct dark yellowish brown (10YR 3/4) clay films on all faces of peds; 5 percent by volume nonflat strongly coherent cemented 2-?-76 millimeter phyllite fragments; noneffervescent; moderately acid, pH 6.0, bromthymol blue; gradual smooth boundary.
    Bt2—29 to 50 centimeters (11.4 to 19.7 inches); dark yellowish brown (10YR 4/6), dark yellowish brown (10YR 3/6), moist; paragravelly clay loam; 40 percent sand; 32 percent silt; 28 percent clay; moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 1.0 very fine roots throughout and 1.0 medium roots throughout and 1.0 fine roots throughout; 2.0 medium tubular pores; 30 percent faint dark yellowish brown (10YR 3/4) clay films on all faces of peds; 2 percent mica flakes, unspecified in matrix; 20 percent by volume nonflat strongly coherent cemented 2-?-76 millimeter phyllite fragments; noneffervescent; moderately acid, pH 6.0, bromthymol blue; gradual smooth boundary.
    Crt—50 to 60 centimeters (19.7 to 23.6 inches); dark yellowish brown (10YR 4/6), dark yellowish brown (10YR 4/6), moist; very paragravelly clay loam; 36 percent sand; 32 percent silt; 32 percent clay; moderate medium subangular blocky structure; soft, friable, moderately sticky, moderately plastic; 1.0 medium roots throughout and 1.0 fine roots throughout; 2.0 medium tubular pores; 30 percent faint dark yellowish brown (10YR 3/4) clay films on all faces of peds; 2 percent mica flakes, unspecified in matrix; 40 percent by volume nonflat strongly coherent cemented 2-?-76 millimeter phyllite fragments; noneffervescent; moderately acid, pH 6.0, bromthymol blue; gradual smooth boundary.
    Cr—60 to 200 centimeters (23.6 to 78.7 inches); bedrock; 2 percent mica flakes, unspecified in matrix; fragments.