IDENTIFIERS

  • Current Taxon Name (Soil Name): Mariposa
  • OSD
  • Series Extent
  • User Site ID: R09CA630BJM027
  • User Pedon ID: S2009BJM027
  • Vegetation Plot ID: R09CA630BJM027
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 10N0460
  • NCSS Pedon Lab Data NASIS Record ID - 24757
  • 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: 37.8333321
  • Std. Longitude: -120.2375031
  • Datum: WGS84
  • Township: 1 S
  • Range: 16E
  • Section: 20
  • PLSS Details: about 1467 feet west and 690 north of the southeast 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 - 35 to 70 cm.
  • Classificaton Date - 11/29/2018
  • Classifier - Andrew Brown
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Jackgulch
  • Classificaton Date - 3/19/2009
  • 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, center third
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: strongly coherent phyllite at 70cm with <10
  • Geology: Sullivan Terranes formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/19/2009 (actual site observation date)
  • Plant Association Name: Sierra Mixed Confiers
  • 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

    CADE27

    PILA

    PIPO

    QUAG

    QUVE

    Arctostaphylos

    Calocedrus decurrens

    Pinus lambertiana

    Pinus ponderosa

    Quercus agrifolia

    Quercus velutina

    manzanita

    incense cedar

    sugar pine

    ponderosa pine

    California live oak

    black oak

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

    bedrock, paralithic

    strongly coherent

    70 -

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

    ochric epipedon

    cambic horizon

    argillic horizon

    paralithic contact

    0—18

    12—35

    35—70

    70—

    —18—

    —23—

    —35—

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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

    25

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    917

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    115

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    Oi—0 to 5 centimeters (0.0 to 2.0 inches); highly decomposed plant material; fragments.
    A—5 to 12 centimeters (2.0 to 4.7 inches); dark brown (10YR 3/3), very dark grayish brown (10YR 3/2), moist; channery loam; 30 percent sand; 53 percent silt; 17 percent clay; moderate fine angular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots throughout and 1.0 very coarse roots throughout and 3.0 fine roots throughout and 1.0 coarse roots throughout; 2.0 medium irregular pores; 20 percent by volume flat angular indurated 2-?-150 millimeter phyllite fragments; noneffervescent; slightly acid, pH 6.5, bromthymol blue; clear wavy boundary.
    AB—12 to 35 centimeters (4.7 to 13.8 inches); brown (7.5YR 4/4), brown (7.5YR 4/3), moist; channery silt loam; 25 percent sand; 55 percent silt; 20 percent clay; moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.0 medium roots throughout and 3.0 fine roots throughout and 2.0 coarse roots throughout; 2.0 medium tubular pores; 25 percent distinct clay films on all faces of peds; 20 percent by volume flat angular indurated 2-?-150 millimeter phyllite fragments; noneffervescent; slightly acid, pH 6.2, bromthymol blue; clear wavy boundary.
    Bt1—35 to 50 centimeters (13.8 to 19.7 inches); reddish brown (5YR 4/4), reddish brown (5YR 4/3), moist; channery silty clay loam; 15 percent sand; 52 percent silt; 33 percent clay; moderate medium subangular blocky structure; moderately hard, firm, moderately sticky, moderately plastic; 2.0 very coarse roots throughout and 2.0 fine roots throughout and 2.0 coarse roots throughout; 2.0 medium tubular pores; 40 percent distinct clay films on all faces of peds; 2 percent mica flakes, unspecified in matrix; 15 percent by volume flat angular indurated 2-?-150 millimeter phyllite fragments; noneffervescent; strongly acid, pH 5.2, bromthymol blue; clear wavy boundary.
    Bt2—50 to 70 centimeters (19.7 to 27.6 inches); reddish brown (5YR 4/4), reddish brown (5YR 4/3), moist; channery silty clay loam; 15 percent sand; 50 percent silt; 35 percent clay; moderate medium subangular blocky structure; moderately hard, firm, moderately sticky, moderately plastic; 60 percent prominent clay films on all faces of peds; 2 percent mica flakes, unspecified in matrix; 15 percent by volume flat angular indurated 2-?-150 millimeter phyllite fragments; noneffervescent; very strongly acid, pH 5.0, bromthymol blue; clear wavy boundary.
    Cr—70 to 200 centimeters (27.6 to 78.7 inches); bedrock; 60 percent prominent clay films on rock fragments; fragments.