IDENTIFIERS

  • Current Taxon Name (Soil Name): Firebrick
  • OSD
  • Series Extent
  • User Site ID: S1996CA005003
  • User Pedon ID: 96CA005003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 97P0067
  • Print Date: 11/21/2024
  • 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: 38.2851123
  • Std. Longitude: -120.8906243
  • Datum: WGS84
  • Township: 5N
  • Range: 10E
  • Section: 17
  • PLSS Details: About 1 1/4 miles SE of Buena Vista on Buena Vista Road; about 800 feet north along the N/S road between sections 16 and 17 from the intersection (near Wardlaw's pit) of the northward loop on the southern E/W dirt road, thence 80 feet west; or about 2
  • Location Description: (NE 1/4 Grid A8).
  • State: California
  • County: CA005—Amador
  • MLRA: 18—Sierra Nevada Foothills
  • Regional Office: SW—Southwest
  • MLRA Soil Survey Area: SW-SON—Sonora, California
  • Non-MLRA Soil Survey Area: CA628—Amador Area, California
  • 7.5 Minute USGS Quad: 38120-C8—Ione, California
  • PEDON

  • Describers Name: Terry D. Cook and William Westerling.
  • Current Taxonomic Class: Loamy, parasesquic, acid, thermic, shallow Dystric Xerorthents
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Firebrick
  • PSC - 0 to 13 cm.
  • Classificaton Date - 1/19/2024
  • Classifier - Cathy Scott
  • Soil Taxonomic Edition - thirteenth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - UNNAMED
  • Taxonomic Class - Coarse-loamy, mixed, acid, shallow Dystric Xerorthents
  • PSC - 0 to 13 cm.
  • Classificaton Date - 5/2/1996
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: alluvium and/or sandstone
  • Landscape: hills
  • Landform: terrace
  • Slope Position: on a slope
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: well
  • Bedrock: moderately coherent sandstone, unspecified at 30cm
  • Surface Fragments: 50.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/2/1996 (actual site observation date)
  • Air Photo ID: 10-2-5
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    plinthite

    bedrock, paralithic

    moderately coherent

    30 - 170

    30 - 170

    - 140 -

    - 140 -

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

    ochric epipedon

    paralithic contact

    plinthite

    paralithic materials

    0—13

    13—

    30—170

    30—170

    —13—

    —-

    —140—

    —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

    8

    133

    180

    500

    16

    A—0 to 5 centimeters (0.0 to 2.0 inches); dark reddish brown (5YR 3/3), reddish brown (5YR 4/3), dry; sandy loam; 75 percent sand; 17 percent silt; 7 percent clay; moderate fine and medium subangular blocky parts to weak fine and medium granular structure; soft, very friable, slightly sticky, slightly plastic; 21.0 medium roots and 3.0 fine roots and 0.5 coarse roots; 21.0 very fine tubular and 21.0 fine and medium tubular pores; 12 percent by volume subrounded 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # 97P00404; dry when described;. 10-15 percent subrounded and rounded petroplinthitic and few quartzite gravel 2 mm to 2 inches in size.
    Bw—5 to 13 centimeters (2.0 to 5.1 inches); dark reddish brown (5YR 3/4) and dark reddish brown (2.5YR 3/4), reddish brown (5YR 5/4) and reddish brown (5YR 4/4), dry; sandy loam; 78 percent sand; 14 percent silt; 9 percent clay; moderate fine subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 21.0 medium roots and 3.0 fine roots and 0.5 coarse roots; 3.0 very fine and fine tubular and 3.0 very fine interstitial pores; 12 percent by volume subrounded 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; abrupt wavy boundary. Lab sample # 97P00405; dry when described;. 10-15 percent subrounded and rounded petroplinthitic and few quartitic gravel 2 mm to 2 inches in size.
    2Bv1—13 to 30 centimeters (5.1 to 11.8 inches); reddish brown (2.5YR 4/4) and red (2.5YR 5/6), light reddish brown (2.5YR 6/4), dry; sandy clay loam; 52 percent sand; 17 percent silt; 31 percent clay; massive; hard, slightly sticky, moderately plastic; 0.5 very fine and fine roots top of horizon and 0.5 very fine and fine roots in cracks; 3.0 very fine tubular pores; fragments; extremely acid, pH 4.1, hellige-truog; gradual wavy boundary. Lab sample # 97P00406; dry when described;. Massive with fractures or weak rock-like structure; few lenticular pockets of petroplinthite.
    2Bv2/2Cr—30 to 120 centimeters (11.8 to 47.2 inches); 5 percent light gray (10YR 7/1) and 5 percent white (10YR 8/1), yellowish brown (10YR 5/4) and yellowish brown (10YR 5/6) and light yellowish brown (10YR 6/4) and 35 percent dark yellowish brown (10YR 3/6) and 5 percent red (10R 4/8) exterior, dry; bedrock; 54 percent sand; 12 percent silt; 34 percent clay; massive; extremely hard, slightly sticky, moderately plastic; 0.5 very fine and fine roots in cracks and 0.5 very fine and fine roots top of horizon; fragments; extremely acid, pH 3.7, hellige-truog; gradual wavy boundary. Lab sample # 97P00407; slightly moist when described;. Few lenticular pockets of petroplinthite; massive with fractures or weak rock-like structure. Dark red (2.5YR 3/6) in mostly horizontal bands.
    2Bv3/2Cr—120 to 170 centimeters (47.2 to 66.9 inches); pale red (10R 6/4), yellowish brown (10YR 5/6) and yellowish brown (10YR 5/8) and brownish yellow (10YR 6/8) and 35 percent dark red (10R 3/6) and red (10R 4/6) and red (10R 4/8) and red (10R 4/8) exterior, dry; bedrock; 57 percent sand; 18 percent silt; 24 percent clay; massive; extremely hard, slightly sticky, moderately plastic; fragments; extremely acid, pH 3.7, hellige-truog. Lab sample # 97P00408; slightly moist when described;. Weak rock-like structure; dark red (2.5YR 3/6) in mostly horizontal bands.