IDENTIFIERS

  • Current Taxon Name (Soil Name): Houston Black
  • OSD
  • Series Extent
  • User Site ID: S81TX217005
  • User Pedon ID: S81TX217005
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - TAMU
  • Lab Pedon # - S81TX217005
  • NCSS Pedon Lab Data NASIS Record ID - 45681
  • 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: 31.9170284
  • Std. Longitude: -97.1678619
  • Datum: WGS84
  • Location Description: ABOUT 7 MILES SOUTH OF HILLSBORO ON SULLINS FARM. FROM JUNCTION OF IH-35 AND FARM ROAD 310. 4.8 MILES SOUTHWEST ON 310. 150 FEET SOUTH IN FIELD (SHEET NO 50, HILL COUNTY SOIL SURVEY REPORT).
  • State: Texas
  • County: TX217—Hill
  • MLRA: 86—Texas Blackland Prairie

    • PEDON

  • Describers Name: T.Hallmark,L.Brockman,T.Moore,D.Zuberer
  • Current Taxonomic Class: Fine, smectitic, thermic Udic Haplusterts
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Houston Black
  • PSC - 25 to 100 cm.
  • Classificaton Date - 5/21/2012
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Houston Black
  • Classificaton Date - 7/22/1981
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: calcareous shale
  • Landscape: upland
  • Runoff: high
  • Drainage Class: moderately well
  • Geology: South Bosque formation of the Eagle Ford group.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/22/1981 (actual site observation date)
  • Air Photo ID: AS-50
  • Microrelief Kind: microlow
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    1

    —

    —

    178

    —

    360

    —

    —

    —

    —

    —

    —

    —

    —

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    Ap—0 to 10 centimeters (0.0 to 3.9 inches);, very dark gray (10YR 3/1), moist; silty clay; moderate medium subangular blocky parts to strong fine granular structure; hard, firm; 5 percent by volume indurated chert fragments; slight effervescence; moderately alkaline, pH 8.0; abrupt smooth boundary. Lab sample # TAMU1055
    A—10 to 50 centimeters (3.9 to 19.7 inches);, very dark gray (10YR 3/1), moist; clay; moderate medium subangular blocky structure; hard, firm; 1 percent slickensides (pedogenic); 10 percent by volume chert fragments; strong effervescence; moderately alkaline, pH 8.0; gradual wavy boundary. Lab sample # TAMU1056
    Bss1—50 to 78 centimeters (19.7 to 30.7 inches);, very dark gray (10YR 3/1), moist; clay; strong fine angular blocky structure; hard, firm; 10 percent slickensides (pedogenic); 1 percent by volume chert fragments; strong effervescence; moderately alkaline, pH 8.0; gradual wavy boundary. Lab sample # TAMU1057
    Bss2—78 to 103 centimeters (30.7 to 40.6 inches);, very dark grayish brown (2.5Y 3/2), moist; clay; strong fine angular blocky structure; hard, firm; 10 percent slickensides (pedogenic); 1 percent carbonate concretions; 1 percent by volume chert fragments; strong effervescence; moderately alkaline, pH 8.0; gradual boundary. Lab sample # TAMU1058
    Bkss—103 to 130 centimeters (40.6 to 51.2 inches);, yellowish brown (10YR 5/6), moist; clay loam; weak coarse subangular blocky structure; hard, firm; 10 percent slickensides (pedogenic); 1 percent carbonate concretions and 1 percent carbonate masses; 1 percent by volume chert fragments; strong effervescence; moderately alkaline, pH 8.0; gradual boundary. Lab sample # TAMU1059
    Bk—130 to 150 centimeters (51.2 to 59.1 inches);, yellowish brown (10YR 5/6), moist; clay; massive; hard, firm; 1 percent medium distinct light brownish gray (2.5Y 6/2) masses of reduced iron; 10 percent carbonate masses; fragments; strong effervescence; moderately alkaline, pH 8.0; gradual boundary.
    Cd1—150 to 183 centimeters (59.1 to 72.0 inches);, light brownish gray (2.5Y 6/2), moist; hard, firm; 1 percent fine distinct strong brown (7.5YR 5/6) masses of reduced iron and 20 percent prominent white (10YR 8/1) masses of reduced iron; ; fragments; strong effervescence; moderately alkaline, pH 8.0; gradual boundary.
    Cd2—183 to 245 centimeters (72.0 to 96.5 inches);, light brownish gray (2.5Y 6/2), moist; hard, firm; 1 percent fine distinct strong brown (7.5YR 5/6) and 20 percent prominent light olive brown (2.5Y 5/6) masses of reduced iron; fragments; strong effervescence; moderately alkaline, pH 8.0.