IDENTIFIERS

  • Current Taxon Name (Soil Name): Houston Black
  • OSD
  • Series Extent
  • User Site ID: S81TX217002
  • User Pedon ID: S81TX217002
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - TAMU
  • Lab Pedon # - S81TX217002
  • NCSS Pedon Lab Data NASIS Record ID - 45678
  • 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: 31.9046669
  • Std. Longitude: -96.8655548
  • Datum: WGS84
  • Location Description: ABOUT 14 MILES SOUTHEAST OF HILLSBORO ON MAREK FARM (HUSEY PLACE). FROM MALONE 1.7 MILES NORTHWEST ON TEXAS 171, 50 FEET NORTHEAST IN FIELD (SHEET 53 OF HILL COUNTY SOIL SURVEY REPORT).
  • State: Texas
  • County: TX217—Hill
  • MLRA: 86A—Texas Blackland Prairie, Northern Part
  • 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 - 7/21/1981
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: upland
  • Drainage Class: moderately well
  • Bedrock: marl
  • Geology: Lower Taylor Marl formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/21/1981 (actual site observation date)
  • Air Photo ID: AS-53
  • 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

    2

    151

    225

    Ap—0 to 12 centimeters (0.0 to 4.7 inches);, black (10YR 2/1), moist; silty clay loam; strong fine granular structure; hard, firm; ; fragments; strong effervescence; moderately alkaline, pH 8.0; abrupt smooth boundary. Lab sample # TAMU1039
    A—12 to 55 centimeters (4.7 to 21.7 inches);, black (10YR 2/1), moist; silty clay; strong fine angular blocky structure; hard, firm; 1 percent pressure faces and 1 percent slickensides (pedogenic); fragments; strong effervescence; moderately alkaline, pH 8.0; gradual smooth boundary. Lab sample # TAMU1040
    Bss1—55 to 105 centimeters (21.7 to 41.3 inches);, very dark gray (10YR 3/1), moist; silty clay; strong fine angular blocky structure; hard, firm; 1 percent pressure faces and 10 percent slickensides (pedogenic); fragments; strong effervescence; moderately alkaline, pH 8.0; clear boundary. Lab sample # TAMU1041
    Bss2—105 to 163 centimeters (41.3 to 64.2 inches);, very dark gray (10YR 3/1), moist; silty clay; strong fine angular blocky structure; hard, firm; 10 percent slickensides (pedogenic); fragments; strong effervescence; moderately alkaline, pH 8.0; gradual boundary. Lab sample # TAMU1042
    2Bss1—163 to 238 centimeters (64.2 to 93.7 inches);, brownish yellow (10YR 6/6), moist; silty clay; weak coarse angular blocky structure; hard, firm; 10 percent slickensides (pedogenic); 20 percent fine distinct light brownish gray (10YR 6/2) masses of reduced iron; 1 percent carbonate masses; fragments; strong effervescence; moderately alkaline, pH 8.0; gradual boundary. Lab sample # TAMU1043
    2Bss2—238 to 340 centimeters (93.7 to 133.9 inches);, yellowish brown (10YR 5/6), moist; clay; weak coarse angular blocky structure; hard, firm; 20 percent slickensides (pedogenic); 20 percent coarse distinct light brownish gray (10YR 6/2) masses of reduced iron; 10 percent carbonate masses and 1 percent carbonate concretions; fragments; strong effervescence; moderately alkaline, pH 8.0.