IDENTIFIERS

  • Current Taxon Name (Soil Name): Clearfork
  • OSD
  • Series Extent
  • User Site ID: S1983TX429001
  • User Pedon ID: S1983TX429001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 84P0047
  • NCSS Pedon Lab Data NASIS Record ID - 53741
  • Print Date: 11/12/2024
  • 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: 32.9005556
  • Std. Longitude: -99.0791667
  • Datum: WGS84
  • Location Description: Stephens County, Texas; from the intersection of U.S. Highway 180 and U.S. Highway 183 in Breckenridge; go about 12.9 miles northwest on U.S. Highway 183; then about 4.6 miles west on county road 279; then about 0.8 miles north-northwest on a range trail, then 30 feet south.
  • State: Texas
  • County: TX429—Stephens
  • MLRA: 78A—Rolling Limestone Prairie
  • Non-MLRA Soil Survey Area: TX429—Stephens County, Texas
  • 7.5 Minute USGS Quad: 32099-H1—Lusk, Texas
  • PEDON

  • Describers Name: Clyde Lowther, Tom Cyprian, and Steve Park
  • Current Taxonomic Class: Fine-silty, mixed, superactive, thermic Cumulic Haplustolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Clearfork (flagged as OSD)
  • PSC - 25 to 100 cm.
  • Classificaton Date - 3/25/2015
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Clearfork (flagged as OSD)
  • Taxonomic Class - Fine, mixed, thermic Cumulic Haplustolls
  • Taxon Kind - series
  • PSC - 25 to 100 cm.
  • Classificaton Date - 9/15/1983
  • Soil Taxonomic Edition - twelfth edition
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


  • SITE

  • Parent Material: calcareous loamy and/or clayey alluvium
  • Landscape: dissected plains
  • Landform: flood plain
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/15/1983 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    secondary carbonates

    cambic horizon

    0—71

    10—211

    71—211

    —-

    —-

    —-

    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

    0.1

    352.4

    A1—0 to 9 centimeters (0.0 to 3.5 inches); reddish brown (5YR 4/3), dark reddish brown (5YR 3/3), moist; silty clay loam; moderate coarse subangular blocky structure; very hard, very firm, very sticky, very plastic; many (5.0) fine roots; many (5.0) fine pores; 1 reversible trans-horizon cracks per meter at a depth of 10 cm with a width of 1 cm that extend above the horizon; 20 percent worm casts; fragments; strong effervescence; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 84P00203
    A2—9 to 44 centimeters (3.5 to 17.3 inches); reddish brown (5YR 5/3), dark reddish brown (5YR 3/3), moist; silty clay loam; moderate fine and medium subangular blocky structure; very hard, very firm, very sticky, very plastic; many (5.0) fine roots; common (2.0) pores; 1 reversible trans-horizon cracks per meter at a depth of 33 cm with a width of 0.7 cm that extend below the horizon; 1 percent carbonate coats; 1 percent threadlike carbonate masses and 10 percent worm casts; fragments; strong effervescence; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 84P00204
    A3—44 to 72 centimeters (17.3 to 28.3 inches); dark reddish gray (5YR 4/2), dark reddish brown (5YR 3/2), moist; silty clay loam; moderate medium and coarse subangular blocky structure; very hard, very firm, very sticky, very plastic; common (2.0) fine roots; common (2.0) fine pores; 1 percent carbonate coats; 1 percent threadlike carbonate masses and 1 percent worm casts; fragments; strong effervescence; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 84P00205
    Bk1—72 to 150 centimeters (28.3 to 59.1 inches); reddish brown (5YR 4/4), dark reddish brown (5YR 3/4), moist; silty clay loam; moderate medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; common (2.0) fine roots; common (2.0) fine pores; 1 percent carbonate coats; 1 percent threadlike carbonate masses and 2 percent worm casts; fragments; violent effervescence; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 84P00206
    Bk2—150 to 193 centimeters (59.1 to 76.0 inches); reddish brown (5YR 5/4), reddish brown (5YR 4/4), moist; silty clay loam; weak fine and medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; common (2.0) fine and medium roots; many (5.0) fine tubular pores; 1 percent threadlike carbonate masses and 1 percent worm casts; 1 percent by volume shell fragments fragments; violent effervescence; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 84P00207
    Bk3—193 to 209 centimeters (76.0 to 82.3 inches); reddish brown (5YR 5/4), reddish brown (5YR 4/4), moist; silty clay loam; weak fine subangular blocky structure; hard, firm, moderately sticky, moderately plastic; few (0.5) fine roots; many (5.0) fine tubular pores; 1 percent carbonate coats; 1 percent threadlike carbonate masses and 1 percent worm casts; fragments; violent effervescence; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 84P00208