IDENTIFIERS

  • Current Taxon Name (Soil Name): Jocal
  • OSD
  • Series Extent
  • User Site ID: R09CA630SMM011
  • User Pedon ID: S2009SMM011
  • Vegetation Plot ID: R09CA630SMM011
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSl
  • Lab Pedon # - 10N0455
  • NCSS Pedon Lab Data NASIS Record ID - 24752
  • Print Date: 12/11/2024
  • 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: 38.3636093
  • Std. Longitude: -120.4424973
  • Datum: WGS84
  • Township: 6 N
  • Range: 14 E
  • Section: 21
  • PLSS Details: about 895 feet south and 1460 feet east of the northwest corner
  • Location Description: About 4.1 miles northeast of the community of Railroad Flat, CA, on Sierra Pacific Industries property
  • Map Unit: 8287—Jocal-Fiddletown complex, 30 to 60 percent slopes
  • State: California
  • County: CA009—Calaveras
  • 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: 38120-C4—Fort Mountain, California
  • PEDON

  • Describers Name: Sue Malone
  • Current Taxonomic Class: Fine-loamy, mixed, active, mesic Ultic Haploxeralfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Jocal
  • PSC - 28 to 78 cm.
  • Classificaton Date - 12/28/2015
  • Classifier - Andrew Paolucci
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Schaad
  • Classificaton Date - 7/15/2009
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: highly weathered colluvium derived from metasedimentary rock
  • Landscape: Sierra Nevada mountains
  • Landform: dissected mountain slope
  • Geomorphic Component Mountains: mountainflank, center third
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Calaveras Complex Melange formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/15/2009 (actual site observation date)
  • 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

    ABCO

    ACMA3

    ADBI

    ARME

    CADE27

    CEIN

    CHFO

    LONIC

    OSBE

    PIPO

    PSME

    QUKE

    TODI

    Abies concolor

    Acer macrophyllum

    Adenocaulon bicolor

    Arbutus menziesii

    Calocedrus decurrens

    Ceanothus incanus

    Chamaebatia foliolosa

    Lonicera

    Osmorhiza berteroi

    Pinus ponderosa

    Pseudotsuga menziesii

    Quercus kelloggii

    Toxicodendron diversilobum

    white fir

    bigleaf maple

    American trailplant

    Pacific madrone

    incense cedar

    coast whitethorn

    mountain misery

    honeysuckle

    sweetcicely

    ponderosa pine

    Douglas-fir

    California black oak

    Pacific poison oak

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

    ochric epipedon

    argillic horizon

    0—28

    28—201

    —10—

    —132—

    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

    32

    960

    314

    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.
    Oe—3 to 5 centimeters (1.2 to 2.0 inches); moderately decomposed plant material; fragments; abrupt wavy boundary.
    A—5 to 15 centimeters (2.0 to 5.9 inches); brown (7.5YR 5/3), brown (7.5YR 4/3), moist; gravelly loam; 40 percent sand; 20 percent clay; moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots and 3.0 fine roots; 8.0 very fine irregular and 8.0 fine irregular pores; 15 percent by volume nonflat very strongly coherent cemented 2-?-10 millimeter schist, unspecified fragments; slightly acid, pH 6.5, hellige-truog; abrupt wavy boundary.
    BA—15 to 28 centimeters (5.9 to 11.0 inches); brown (7.5YR 5/4), brown (7.5YR 4/4), moist; gravelly loam; 40 percent sand; 22 percent clay; moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots and 0.8 medium roots and 3.0 fine roots; 3.0 very fine irregular and 0.8 medium tubular and 3.0 fine irregular pores; 15 percent by volume nonflat very strongly coherent cemented 2-?-10 millimeter metasedimentary, unspecified fragments; slightly acid, pH 6.4, hellige-truog; clear wavy boundary.
    Bt1—28 to 56 centimeters (11.0 to 22.0 inches); reddish brown (5YR 5/4), yellowish red (5YR 4/6), moist; gravelly clay loam; 40 percent sand; 30 percent clay; moderate coarse subangular blocky structure; hard, friable, slightly sticky, moderately plastic; 3.0 very fine roots and 0.8 medium roots and 3.0 fine roots; 3.0 very fine tubular and 0.8 medium tubular and 3.0 fine tubular pores; 5 percent clay films on surfaces along pores and 20 percent distinct brown (7.5YR 4/4), dry, clay films on all faces of peds and 20 percent distinct brown (7.5YR 4/4), dry, silt coats on all faces of peds; 20 percent by volume nonflat very strongly coherent cemented 2-?-76 millimeter metasedimentary, unspecified fragments; slightly acid, pH 6.3, hellige-truog; gradual wavy boundary. discontinuous - phpvsfiid 473345; discontinuous - phpvsfiid 473346; discontinuous - phpvsfiid 473345; discontinuous - phpvsfiid 473346
    Bt2—56 to 81 centimeters (22.0 to 31.9 inches); reddish brown (5YR 5/4), reddish brown (5YR 4/4), moist; gravelly clay loam; 40 percent sand; 33 percent clay; strong coarse subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 0.8 very fine roots and 0.8 medium roots and 0.8 fine roots and 0.8 coarse roots; 3.0 very fine tubular and 0.8 fine tubular pores; 5 percent clay films on surfaces along pores and 25 percent distinct brown (7.5YR 4/4), dry, silt coats on all faces of peds and 30 percent prominent reddish brown (5YR 4/4), dry, clay films on all faces of peds; 2 percent by volume nonflat very strongly coherent cemented 2-?-76 millimeter metasedimentary, unspecified fragments; moderately acid, pH 5.8, hellige-truog; gradual wavy boundary. discontinuous - phpvsfiid 473348; discontinuous - phpvsfiid 473349; discontinuous - phpvsfiid 473348; discontinuous - phpvsfiid 473349
    Bt3—81 to 122 centimeters (31.9 to 48.0 inches); reddish brown (2.5YR 5/4), red (2.5YR 4/6), moist; gravelly clay; 25 percent sand; 40 percent clay; strong coarse subangular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; 0.8 very fine roots and 0.8 medium roots and 0.8 fine roots and 0.8 coarse roots; 3.0 very fine tubular and 0.8 fine tubular pores; 100 percent prominent dark reddish brown (2.5YR 3/4), dry, clay films on all faces of peds; 5 percent by volume nonflat very strongly coherent cemented 2-?-76 millimeter metasedimentary, unspecified fragments; moderately acid, pH 5.6, hellige-truog; clear wavy boundary. continuous - phpvsfiid 473351; continuous - phpvsfiid 473351
    Bt4—122 to 147 centimeters (48.0 to 57.9 inches); 70 percent light yellowish brown (10YR 6/4) and 30 percent yellowish red (5YR 5/6), yellowish red (5YR 4/6), moist; gravelly clay loam; 18 percent sand; 32 percent clay; strong coarse subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 0.8 medium roots and 0.8 fine roots and 0.8 coarse roots; 0.8 very fine irregular and 0.8 very fine tubular pores; 40 percent prominent yellowish red (5YR 4/6), dry, clay films on all faces of peds; 2 percent by volume nonflat very strongly coherent cemented 76-?-250 millimeter metasedimentary, unspecified fragments and 35 percent by volume nonflat very strongly coherent cemented 2-?-76 millimeter metasedimentary, unspecified fragments; moderately acid, pH 5.6, hellige-truog; clear wavy boundary. continuous - phpvsfiid 473352; continuous - phpvsfiid 473352
    BCt—147 to 201 centimeters (57.9 to 79.1 inches); 50 percent yellowish red (5YR 5/6) and 50 percent light yellowish brown (10YR 6/4), reddish brown (5YR 5/4), moist; very gravelly clay loam; 22 percent sand; 28 percent clay; strong coarse subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 0.8 medium roots and 0.8 coarse roots; 0.8 very fine irregular and 0.8 fine irregular pores; 20 percent prominent reddish brown (5YR 4/4), dry, clay films on all faces of peds; 10 percent by volume nonflat very strongly coherent cemented 76-?-250 millimeter metasedimentary, unspecified fragments and 50 percent by volume nonflat very strongly coherent cemented 2-?-76 millimeter metasedimentary, unspecified fragments; strongly acid, pH 5.5, hellige-truog. discontinuous - phpvsfiid 473353; discontinuous - phpvsfiid 473353