IDENTIFIERS

  • Current Taxon Name (Soil Name): Jocal
  • OSD
  • Series Extent
  • Local Phase: Jocal
  • User Site ID: S2007CA630SMM017
  • User Pedon ID: S07CA009006
  • Vegetation Plot ID: S2007CA630SMM017
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 08N0160
  • NCSS Pedon Lab Data NASIS Record ID - 19679
  • 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: 38.3818054
  • Std. Longitude: -120.4303589
  • Datum: WGS84
  • Township: 6 N
  • Range: 14 E
  • Section: 9
  • PLSS Details: about 190 feet north and 325 feet west of the southeast corner
  • Location Description: about 5.5 miles east of the community of West Point, California
  • Map Unit: 8287—Jocal-Fiddletown complex, 30 to 60 percent slopes
  • Country: US—United States
  • State: California
  • County: CA009—Calaveras
  • MLRA: 22A—Sierra Nevada and Tehachapi Mountains
  • Non-MLRA Soil Survey Area: CA630—Central Sierra Foothills Area, California, Parts of Calaveras and Tuolumne Counties
  • 7.5 Minute USGS Quad: 38120-D4—Devils Nose, California
  • PEDON

  • Describers Name: Sue Malone
  • Current Taxonomic Class: Coarse-loamy, mixed, active, mesic Typic Dystroxerepts
  • Current Taxon Kind: taxadjunct
  • Pedon Type: representative pedon for component
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Jocal (flagged as OSD)
  • PSC - 33 to 108 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 - 6/4/2007
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: colluvium derived from metasedimentary rock over residuum weathered from metasedimentary rock
  • Landscape: mountains
  • Landform: mountain slope
  • Geomorphic Component Mountains: mountainflank
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Geology: Calaveras Complex formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/4/2007 (actual site observation date)
  • Plant Association Name: Sierran Mixed Conifer
  • 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
  • Current Weather - sunny
  • Current Air Temp - 27
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    CADE27

    CEIN3

    CORNU

    LOCI3

    PILA

    PIPO

    PSME

    QUKE

    RIBES

    RUBUS

    SYMPH

    TODI

    Calocedrus decurrens

    Ceanothus integerrimus

    Cornus

    Lonicera ciliosa

    Pinus lambertiana

    Pinus ponderosa

    Pseudotsuga menziesii

    Quercus kelloggii

    Ribes

    Rubus

    Symphoricarpos

    Toxicodendron diversilobum

    incense cedar

    deerbrush

    dogwood

    orange honeysuckle

    sugar pine

    ponderosa pine

    Douglas-fir

    California black oak

    currant

    blackberry

    snowberry

    Pacific poison oak

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

    ochric epipedon

    cambic horizon

    0—18

    15—225

    —5—

    —140—

    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    6/4/2007

    50

    12

    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

    45

    975

    14

    1270

    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.
    Oe—3 to 8 centimeters (1.2 to 3.1 inches); moderately decomposed plant material; fragments; abrupt wavy boundary.
    A—8 to 15 centimeters (3.1 to 5.9 inches); brown (7.5YR 5/4), dark brown (7.5YR 3/4), moist; silt loam; 30 percent sand; 53 percent silt; 17 percent clay; weak fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 8.0 very fine roots throughout and 2.0 medium roots throughout and 8.0 fine roots throughout; 8.0 very fine irregular and 8.0 fine irregular pores; 10 percent by volume subangular indurated 2-?-30 millimeter metamorphic, unspecified fragments; slightly acid, pH 6.2, hellige-truog; clear wavy boundary.; slightly moist when described; observed in trench
    AB—15 to 30 centimeters (5.9 to 11.8 inches); light brown (7.5YR 6/4), reddish brown (5YR 4/4), moist; silt loam; 30 percent sand; 51 percent silt; 19 percent clay; moderate coarse subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout and 3.0 coarse roots throughout; 3.0 very fine irregular and 3.0 fine irregular pores; 10 percent by volume subangular indurated 2-?-30 millimeter metamorphic, unspecified fragments; moderately acid, pH 5.9, hellige-truog; gradual wavy boundary.; slightly moist when described; observed in trench
    Bt1—30 to 50 centimeters (11.8 to 19.7 inches); reddish yellow (7.5YR 6/6), yellowish red (5YR 5/6), moist; silt loam; 32 percent sand; 51 percent silt; 17 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout and 0.8 coarse roots throughout; 3.0 very fine irregular and 0.8 very fine tubular pores; 30 percent distinct reddish brown (5YR 4/4) clay films on all faces of peds; 10 percent by volume subangular indurated 2-?-30 millimeter metamorphic, unspecified fragments; strongly acid, pH 5.5, hellige-truog; abrupt wavy boundary.; slightly moist when described; observed in trench
    BEt—50 to 75 centimeters (19.7 to 29.5 inches); yellowish red (5YR 5/8), yellowish red (5YR 4/6), moist; gravelly loam; 36 percent sand; 46 percent silt; 17 percent clay; moderate coarse subangular blocky, and moderate medium subangular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; 3.0 very fine roots throughout and 0.8 medium roots throughout and 3.0 fine roots throughout and 0.8 coarse roots throughout; 3.0 very fine tubular pores; 2 percent faint reddish brown (5YR 4/4) clay films and 20 percent distinct light reddish brown (5YR 6/3) silt coats; 10 percent by volume moderately coherent cemented 10-?-75 millimeter schist, unspecified fragments and 20 percent by volume very strongly coherent cemented 2-?-30 millimeter schist, unspecified fragments; moderately acid, pH 5.8, hellige-truog; clear wavy boundary.; slightly moist when described; observed in trench
    2Bt2—75 to 100 centimeters (29.5 to 39.4 inches); yellowish red (5YR 5/8), yellowish red (5YR 4/6), moist; very paragravelly loam; 37 percent sand; 43 percent silt; 20 percent clay; moderate medium subangular blocky, and moderate coarse subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 0.8 very fine roots throughout and 0.8 medium roots throughout and 0.8 fine roots throughout and 0.8 coarse roots throughout; 0.8 very fine tubular pores; 20 percent prominent 5YR 4/8 (5YR 4/8) clay films on surfaces along pores and 20 percent prominent 5YR 4/8 (5YR 4/8) clay films on all faces of peds; 10 percent by volume very strongly coherent cemented 2-?-30 millimeter schist, unspecified fragments and 30 percent by volume moderately coherent cemented 10-?-75 millimeter schist, unspecified fragments; moderately acid, pH 6.0, hellige-truog; gradual wavy boundary.; slightly moist when described; observed in trench
    2BCt1—100 to 150 centimeters (39.4 to 59.1 inches); strong brown (7.5YR 5/8), yellowish red (5YR 4/6), moist; very paragravelly loam; 45 percent sand; 39 percent silt; 16 percent clay; weak coarse subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 0.8 very fine roots throughout and 0.8 medium roots throughout and 0.8 fine roots throughout and 0.8 coarse roots throughout; 0.8 very fine tubular pores; 40 percent distinct 5YR 4/8 (5YR 4/8) clay films on rock fragments; 10 percent by volume very strongly coherent cemented 2-?-30 millimeter schist, unspecified fragments and 40 percent by volume moderately coherent cemented 10-?-75 millimeter schist, unspecified fragments; moderately acid, pH 5.6, hellige-truog; gradual wavy boundary.; slightly moist when described; observed in trench
    2BCt2—150 to 200 centimeters (59.1 to 78.7 inches); 50 percent strong brown (7.5YR 5/8) and 50 percent yellowish red (5YR 4/6), yellowish red (5YR 4/6), moist; extremely gravelly loam; 51 percent sand; 36 percent silt; 13 percent clay; weak coarse subangular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; 0.8 very fine roots around fragments and 0.8 medium roots around fragments and 0.8 fine roots around fragments and 0.8 coarse roots around fragments; 0.8 fine irregular pores; 30 percent distinct 5YR 4/8 (5YR 4/8) clay films on rock fragments; 10 percent by volume very strongly coherent cemented 76-?-250 millimeter schist, unspecified fragments and 20 percent by volume moderately coherent cemented 10-?-75 millimeter schist, unspecified fragments and 50 percent by volume very strongly coherent cemented 2-?-30 millimeter schist, unspecified fragments; moderately acid, pH 5.6, hellige-truog; gradual wavy boundary.; slightly moist when described; observed in trench
    2BCt3—200 to 225 centimeters (78.7 to 88.6 inches); 50 percent strong brown (7.5YR 5/8) and 50 percent yellowish red (5YR 4/6), yellowish red (5YR 4/6), moist; extremely gravelly loam; 46 percent sand; 39 percent silt; 16 percent clay; weak coarse subangular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; 0.8 very fine roots around fragments and 0.8 medium roots around fragments and 0.8 fine roots around fragments and 0.8 coarse roots around fragments; 0.8 fine irregular pores; 30 percent distinct 5YR 4/8 (5YR 4/8) clay films on rock fragments; 10 percent by volume very strongly coherent cemented 76-?-250 millimeter schist, unspecified fragments and 20 percent by volume moderately coherent cemented 10-?-75 millimeter schist, unspecified fragments and 50 percent by volume very strongly coherent cemented 2-?-30 millimeter schist, unspecified fragments; moderately acid, pH 5.6, hellige-truog.; slightly moist when described; observed in trench