IDENTIFIERS

  • Current Taxon Name (Soil Name): Posey
  • OSD
  • Series Extent
  • User Site ID: S2018TX219002
  • User Pedon ID: S2018TX219002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Print Date: 12/6/2025

    • LOCATION

  • State: Texas
  • County: TX219—Hockley
  • MLRA: 77C—Southern High Plains, Southern Part

    • PEDON

  • Describers Name: S. Casby-Horton, C Byrd, T. Carr, A. Basurco
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, thermic Calcidic Paleustalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: NASIS
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Blackwater draw Formation
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/2018 (actual site observation date)
  • Data Collector: S. Casby-Horton, C.,. Byrd, T. Carr, A. Basurco
  • 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
    • 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

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    A1—0 to 7 centimeters (0.0 to 2.8 inches); brown (7.5YR 5/4), brown (7.5YR 4/4), moist; fine sandy loam; weak fine subangular blocky, and medium subangular blocky structure; soft, friable; fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary.
    A2—7 to 18 centimeters (2.8 to 7.1 inches); brown (7.5YR 4/4), dark brown (7.5YR 3/4), moist; fine sandy loam; strong very coarse prismatic, and moderate fine subangular blocky structure; soft, friable; fragments; strong effervescence, by hcl, 1n; gradual smooth boundary.
    Bt—18 to 30 centimeters (7.1 to 11.8 inches); brown (7.5YR 4/4), dark brown (7.5YR 3/4), moist; fine sandy loam; strong very coarse subangular blocky, and moderate medium subangular blocky structure; slightly hard, friable; 2 percent distinct clay films; fragments; strong effervescence, by hcl, 1n; gradual smooth boundary. continuous - phpvsfiid 1509209; continuous - phpvsfiid 1509209
    Btk—30 to 42 centimeters (11.8 to 16.5 inches); brown (7.5YR 5/4), brown (7.5YR 4/4), moist; sandy clay loam; strong very coarse subangular blocky, and moderate medium subangular blocky structure; hard, firm; and 1 percent distinct clay films; fragments; violent effervescence, by hcl, 1n; clear wavy boundary. discontinuous - phpvsfiid 1509211; continuous - phpvsfiid 1509210; discontinuous - phpvsfiid 1509211; continuous - phpvsfiid 1509210
    Btkk1—42 to 60 centimeters (16.5 to 23.6 inches); clay loam; hard, firm; 25 percent carbonate, finely disseminated and 10 percent medium carbonate masses and 10 percent medium carbonate nodules; fragments; violent effervescence, by hcl, 1n; gradual wavy boundary.
    Btkk2—60 to 97 centimeters (23.6 to 38.2 inches); pink (7.5YR 7/4), light brown (7.5YR 6/4), moist; clay loam; weak fine subangular blocky, and medium subangular blocky structure; slightly hard, friable; common fine roots; 15 percent strongly coherent cemented carbonate masses and 25 percent medium carbonate, finely disseminated and 25 percent medium carbonate masses; fragments; violent effervescence, by hcl, 1n; gradual wavy boundary.
    Btkk3—97 to 132 centimeters (38.2 to 52.0 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; sandy clay loam; hard, firm; 20 percent carbonate, finely disseminated and 10 percent carbonate nodules and 10 percent medium carbonate masses; fragments; violent effervescence, by hcl, 1n; gradual wavy boundary.
    Btkk4—132 to 170 centimeters (52.0 to 66.9 inches); reddish yellow (7.5YR 6/6), strong brown (7.5YR 5/6), moist; sandy clay loam; hard, firm; few fine roots; 35 percent distinct clay films; 20 percent carbonate, finely disseminated and 10 percent carbonate nodules; fragments; violent effervescence, by hcl, 1n. discontinuous - phpvsfiid 1509198; discontinuous - phpvsfiid 1509198
    B'tk—170 to 203 centimeters (66.9 to 79.9 inches); yellowish red (5YR 5/6), yellowish red (5YR 4/6), moist; sandy clay loam; moderate fine subangular blocky, and medium subangular blocky structure; few fine roots; 35 percent distinct clay films; 1 percent very fine iron-manganese nodules; 10 percent carbonate, finely disseminated and 5 percent carbonate nodules; fragments; violent effervescence, by hcl, 1n. continuous - phpvsfiid 1509199; continuous - phpvsfiid 1509199