IDENTIFIERS

  • Current Taxon Name (Soil Name): Mariposa
  • OSD
  • Series Extent
  • User Site ID: S1960CA005025
  • User Pedon ID: S1960CA005025
  • Vegetation Plot ID: S1960CA005025
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3079
  • NCSS Pedon Lab Data NASIS Record ID - 38208
  • Print Date: 12/17/2024

    • 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: 38.4994431
  • Std. Longitude: -120.6377792
  • Datum: WGS84
  • Township: 8N
  • Range: 12E
  • Section: 34
  • PLSS Details: 0.1 mile NW of the center of the SE1/4
  • Location Description: 25 feet N of Fiddletown-Silver Lake Road; 3.5 miles W of Fiddletown_Silver Lake Road junction with Shake Ridge Road; 0.2 mile E of Fiddletown_Silver Lake Road junction with Ponderosa Way.
  • State: California
  • County: CA005—Amador
  • MLRA: 22A—Sierra Nevada and Tehachapi Mountains
  • Non-MLRA Soil Survey Area: CA628—Amador Area, California

    • PEDON

  • Describers Name: Grant Kennedy
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Xeric Haplohumults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 25
  • Correlated Information:
  • Soil Name - Mariposa
  • PSC - 10 to 58 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 - Mariposa
  • Classificaton Date - 6/1/1960
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: ridge
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1960 (actual site observation date)
  • Surface Cover Properties:
  • 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

    QUVE

    Arctostaphylos

    Quercus velutina

    manzanita

    black oak

    —

    —

    —

    —

    —

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

    ochric epipedon

    argillic horizon

    lithic contact

    0—14

    14—62

    95—200

    —14—

    —48—

    —105—
    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

    7

    —

    —

    884

    —

    180

    940

    —

    —

    12.8

    21.1

    4.4

    —

    —

    —

    —

    —

    —

    Tiger Creek Station

    —
    Oi—0 to 4 centimeters (0.0 to 1.6 inches); slightly decomposed plant material; fragments. Lab sample # 40A24093. Loose leaf litter, partially decomposed in the lower portion.
    A1—4 to 7 centimeters (1.6 to 2.8 inches); brown (7.5YR 4/3), pale brown (10YR 6/3), dry; silt loam; 36 percent sand; 56 percent silt; 9 percent clay; massive; soft, friable, slightly sticky, slightly plastic; 21.0 very fine roots; 21.0 very fine interstitial and tubular and 1.0 fine tubular pores; fragments; moderately acid, pH 6.0, bromthymol blue; abrupt smooth boundary. Lab sample # 40A24094
    A2—7 to 14 centimeters (2.8 to 5.5 inches); brown (7.5YR 4/4), light yellowish brown (10YR 6/4), dry; silt loam; 33 percent sand; 56 percent silt; 11 percent clay; massive; soft, friable, slightly sticky, slightly plastic; 21.0 very fine roots and 1.0 fine roots; 21.0 very fine interstitial and tubular and 1.0 fine and medium tubular pores; fragments; moderately acid, pH 6.0, bromthymol blue; abrupt smooth boundary. Lab sample # 40A24095
    BAt—14 to 24 centimeters (5.5 to 9.4 inches); yellowish red (5YR 5/6), pink (7.5YR 7/4), dry; silt loam; 25 percent sand; 56 percent silt; 19 percent clay; massive; slightly hard, firm, slightly sticky, moderately plastic; 21.0 very fine and fine roots and 1.0 medium and coarse roots; 21.0 very fine interstitial and tubular and 0.5 fine and medium tubular pores; clay films in root channels and/or pores; fragments; strongly acid, pH 5.5, unspecified; gradual smooth boundary. Lab sample # 40A24096. continuous - phpvsfiid 1680408; continuous - phpvsfiid 1680408
    Bt—24 to 42 centimeters (9.4 to 16.5 inches); yellowish red (5YR 5/6), pink (7.5YR 7/4), dry; silt loam; 22 percent sand; 58 percent silt; 20 percent clay; massive; slightly hard, firm, slightly sticky, moderately plastic; 1.0 very fine and fine roots; 3.0 very fine and 1.0 fine tubular pores; clay films in root channels and/or pores; fragments; strongly acid, pH 5.5, unspecified; gradual smooth boundary. Lab sample # 40A24097. continuous - phpvsfiid 1680407; continuous - phpvsfiid 1680407
    BCt—42 to 62 centimeters (16.5 to 24.4 inches); reddish yellow (5YR 6/6), pink (7.5YR 7/4), dry; silt loam; 19 percent sand; 65 percent silt; 16 percent clay; massive; slightly hard, firm, slightly sticky, slightly plastic; 21.0 roots; 3.0 very fine and 0.5 fine tubular pores; 10 percent clay films in root channels and/or pores; fragments; strongly acid, pH 5.5, unspecified; clear irregular boundary. Lab sample # 40A24098. continuous - phpvsfiid 1680409; continuous - phpvsfiid 1680409
    C—62 to 95 centimeters (24.4 to 37.4 inches); light brownish gray (10YR 6/2) and strong brown (7.5YR 5/6), very pale brown (10YR 7/3) and strong brown (7.5YR 5/6), dry; silt loam; 24 percent sand; 68 percent silt; 9 percent clay; very firm; 0.5 roots; fragments; very strongly acid, pH 5.0, unspecified. Lab sample # 40A24099. some vertical strata are firm or very firm, others extremely firm or rock-like; few fractures planes evident.
    95 to 200 centimeters (37.4 to 78.7 inches); fragments.