IDENTIFIERS

  • Current Taxon Name (Soil Name): Firebrick
  • OSD
  • Series Extent
  • User Site ID: S1996CA005002
  • User Pedon ID: 96CA005002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 97P0066
  • 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: 38.2859220
  • Std. Longitude: -120.8901005
  • Datum: WGS84
  • Township: 5N
  • Range: 10E
  • Section: 16
  • PLSS Details: About 1 1.4 miles SE of Buena Vista on Buena Vista Road; about 360 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 90 feet east; about 100
  • 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: Clayey, kaolinitic, 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 #: 2
  • Correlated Information:
  • Soil Name - Firebrick
  • PSC - 0 to 23 cm.
  • Classificaton Date - 1/17/2024
  • 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, shallow Dystric Xerorthents
  • PSC - 0 to 23 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: convex
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Bedrock: moderately coherent sandstone, unspecified at 23cm
  • Surface Fragments: 35.00 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

    bedrock, paralithic

    plinthite

    moderately coherent

    strongly coherent

    23 - 180

    140 - 180

    - 157 -

    - 40 -

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

    ochric epipedon

    paralithic contact

    paralithic materials

    plinthite

    0—18

    23—

    23—180

    140—180

    —18—

    —-

    —157—

    —40—

    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

    13

    130

    225

    500

    16

    A—0 to 10 centimeters (0.0 to 3.9 inches); dark reddish brown (5YR 3/2), pinkish gray (5YR 6/2) and light reddish brown (5YR 6/3), dry; gravelly fine sandy loam; 73 percent sand; 12 percent silt; 16 percent clay; moderate medium and coarse subangular blocky structure; slightly hard, very friable, moderately sticky, moderately plastic; 0.5 very fine and fine roots; 3.0 very fine tubular and 0.5 fine and medium tubular pores; 8 percent by volume subrounded 2-39-75 millimeter quartzite fragments and 8 percent by volume rounded 2-39-75 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.5, hellige-truog; abrupt wavy boundary. Lab sample # 97P00399. Petroplinthitic gravel 2 mm to 60 mm is size also apparent.
    Bw—10 to 23 centimeters (3.9 to 9.1 inches); dark reddish brown (5YR 3/2), pink (5YR 7/3) and dark reddish brown (5YR 3/3), dry; gravelly clay; 42 percent sand; 7 percent silt; 50 percent clay; moderate fine and medium subangular blocky structure; slightly hard, very friable, moderately sticky, moderately plastic; 0.5 very fine and fine roots and 0.5 medium roots; 3.0 very fine tubular and 0.5 fine and medium tubular pores; 8 percent by volume rounded 2-39-75 millimeter sandstone, unspecified fragments and 8 percent by volume subrounded 2-39-75 millimeter quartzite fragments; extremely acid, pH 4.2, hellige-truog; clear wavy boundary. Lab sample # 97P00400. Petroplinthitic gravel 2 mm to 60 mm in size also apparent.
    2Cr1—23 to 50 centimeters (9.1 to 19.7 inches); 60 percent light gray (10YR 7/1) and yellowish brown (10YR 5/6) and light reddish brown (5YR 6/4) and reddish brown (5YR 5/4) and red (2.5YR 4/6) and red (2.5YR 5/6), white (N 8/0), dry; bedrock; 23 percent sand; 3 percent silt; 74 percent clay; massive; very hard; 0.5 very fine roots; 8 percent by volume rounded 2-39-75 millimeter sandstone, unspecified fragments and 8 percent by volume subrounded 2-39-75 millimeter quartzite fragments; extremely acid, pH 4.2, hellige-truog; clear wavy boundary. Lab sample # 97P00401. Consolidated Ione beds, petroplinthitic gravel 2mm to 60 mm in size also apparent.
    2Cr2—50 to 140 centimeters (19.7 to 55.1 inches); 60 percent gray (N 6/0) and yellowish brown (10YR 5/6) and brownish yellow (10YR 6/8) and red (2.5YR 4/6) and dark red (2.5YR 3/6), white (N 8/0), dry; bedrock; 43 percent sand; 3 percent silt; 54 percent clay; massive; very hard; 3 percent by volume rounded 2-39-75 millimeter sandstone, unspecified fragments and 30 percent by volume subrounded 2-39-75 millimeter quartzite fragments; extremely acid, pH 4.2, hellige-truog; clear wavy boundary. Lab sample # 97P00402. Consolidated Ione beds; a thin discontinuous stone line occurs at top of horizon; the 2Cr2 horizon is discontinuous; some features of rock structure; petroplinthitic gravel 2 mm to 60 mm in size also apparent.
    3Crv—140 to 180 centimeters (55.1 to 70.9 inches); 70 percent brownish yellow (10YR 6/8) and 30 percent dark red (10R 3/6), brownish yellow (10YR 6/8), dry; bedrock; 38 percent sand; 10 percent silt; 52 percent clay; extremely hard; fragments; extremely acid, pH 3.8, hellige-truog. Lab sample # 97P00403. Weakly consolidated clayey sediments with plinthitic-like masses with some features of rock structure; no observable gravel.