IDENTIFIERS

  • Current Taxon Name (Soil Name): Twichell
  • OSD
  • Series Extent
  • User Site ID: S1994TX195002
  • User Pedon ID: S1994TX195002
  • User Site Association ID: WW MMA - NO SITE DATA
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 94P0639
  • NCSS Pedon Lab Data NASIS Record ID - 66812
  • Print Date: 11/12/2024

    • LOCATION

  • State: Texas
  • County: TX195—Hansford
  • Non-MLRA Soil Survey Area: TX195—Hansford County, Texas

    • PEDON

  • Current Taxonomic Class: Fine, mixed, superactive, mesic Aridic Haplusterts
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: research site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Twichell
  • PSC - 25 to 100 cm.
  • Classificaton Date - 2/13/2008
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Darrouzett
  • Classificaton Date - 7/19/1994
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/19/1994 (actual site observation date)
  • Surface Cover Properties:
  • 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

    slickensides

    lithologic discontinuity

    calcic horizon

    0—61

    25—61

    84—

    178—216

    —61—

    —-

    —-

    —-
    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

    —

    —

    —

    —

    —

    —

    —

    —

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    Ap—0 to 25 centimeters (0.0 to 9.8 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), moist; silt loam; fine and medium granular structure; slightly hard, friable; 21.0 very fine roots throughout; fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # 94P04562
    Btss—25 to 61 centimeters (9.8 to 24.0 inches); very dark brown (10YR 2/2), very dark grayish brown (10YR 3/2), moist; silty clay loam; moderate medium angular blocky structure; hard, firm; 21.0 very fine roots throughout; 21.0 very fine tubular pores; 10 percent distinct pressure faces throughout and 75 percent distinct clay films throughout; fragments; clear smooth boundary. Lab sample # 94P04563. continuous - phpvsfiid 389202; discontinuous - phpvsfiid 389203; continuous - phpvsfiid 389202; discontinuous - phpvsfiid 389203
    Btk—61 to 84 centimeters (24.0 to 33.1 inches);, dark grayish brown (10YR 4/2), moist; silty clay loam; moderate medium angular blocky structure; very hard, firm; 21.0 very fine roots throughout; 21.0 fine tubular pores; distinct clay films throughout; 1 percent fine irregular carbonate threads throughout; fragments; slight effervescence, by hcl, unspecified; clear smooth boundary. Lab sample # 94P04564. discontinuous - phpvsfiid 389204; discontinuous - phpvsfiid 389204
    2Btk1—84 to 114 centimeters (33.1 to 44.9 inches);, brown (7.5YR 4/4), moist; clay loam; moderate medium angular blocky structure; very hard, firm; 21.0 fine roots throughout; 21.0 fine tubular pores; distinct clay films throughout; 5 percent fine irregular carbonate threads throughout; fragments; slight effervescence, by hcl, unspecified; clear smooth boundary. Lab sample # 94P04565. discontinuous - phpvsfiid 389205; discontinuous - phpvsfiid 389205
    2Btk2—114 to 145 centimeters (44.9 to 57.1 inches); strong brown (7.5YR 5/6), strong brown (7.5YR 4/6), moist; clay loam; weak coarse prismatic parts to moderate medium angular blocky structure; very hard, firm; 21.0 very fine and fine roots throughout; 75.0 fine tubular pores; distinct clay films throughout; 1 percent carbonate threads; fragments; slight effervescence, by hcl, unspecified. Lab sample # 94P04566. discontinuous - phpvsfiid 389206; discontinuous - phpvsfiid 389206
    2Btk3—145 to 178 centimeters (57.1 to 70.1 inches); reddish yellow (5YR 6/6), yellowish red (5YR 5/6), moist; clay loam; weak coarse prismatic parts to moderate medium angular blocky structure; very hard, firm; 0.5 fine roots throughout; 21.0 fine tubular pores; faint clay films throughout; fragments; slight effervescence, by hcl, unspecified. Lab sample # 94P04567. discontinuous - phpvsfiid 389207; discontinuous - phpvsfiid 389207
    2Bk1—178 to 216 centimeters (70.1 to 85.0 inches); pink (5YR 7/4), light reddish brown (5YR 6/4), moist; loam; moderate medium subangular blocky structure; slightly hard, friable; 0.5 fine tubular pores; faint clay films throughout; 30 percent fine irregular carbonate threads throughout and 30 percent fine irregular carbonate nodules throughout; fragments; violent effervescence, by hcl, unspecified. Lab sample # 94P04568. patchy - phpvsfiid 389208; patchy - phpvsfiid 389208
    2Bk2—216 to 290 centimeters (85.0 to 114.2 inches); light reddish brown (5YR 6/4), reddish brown (5YR 5/4), moist; loam; moderate medium subangular blocky structure; slightly hard, friable; faint clay films throughout; 20 percent fine irregular carbonate threads throughout and 20 percent fine irregular carbonate nodules throughout; fragments. Lab sample # 94P04569. patchy - phpvsfiid 389209; patchy - phpvsfiid 389209
    2Bk3—290 to 376 centimeters (114.2 to 148.0 inches);, light reddish brown (5YR 6/4), moist; loam; weak fine and medium subangular blocky structure; slightly hard, friable; 0.5 fine tubular pores; 20 percent fine irregular lime masses throughout; fragments; strong effervescence, by hcl, unspecified. Lab sample # 94P04570
    3Btk1—376 to 411 centimeters (148.0 to 161.8 inches); strong brown (7.5YR 5/6), strong brown (7.5YR 4/6), moist; clay loam; moderate fine and medium subangular blocky structure; hard, firm; 0.5 fine tubular pores; faint clay films throughout; 15 percent fine irregular lime masses throughout; fragments; strong effervescence, by hcl, unspecified. Lab sample # 94P04571. patchy - phpvsfiid 389210; patchy - phpvsfiid 389210
    3Btk2—411 to 465 centimeters (161.8 to 183.1 inches);, light brown (7.5YR 6/4), moist; clay loam; moderate medium subangular blocky structure; hard, firm; 0.5 fine tubular pores; faint clay films throughout; 10 percent fine irregular lime masses throughout; fragments; strong effervescence, by hcl, unspecified. Lab sample # 94P04572. patchy - phpvsfiid 389211; patchy - phpvsfiid 389211
    4Bt—465 to 577 centimeters (183.1 to 227.2 inches); reddish yellow (5YR 6/6), yellowish red (5YR 5/6), moist; loam; slightly hard, friable; faint clay films throughout; fragments; slight effervescence, by hcl, unspecified. Lab sample # 94P04573. patchy - phpvsfiid 389212; patchy - phpvsfiid 389212
    4Btk1—577 to 635 centimeters (227.2 to 250.0 inches); reddish yellow (5YR 6/6), yellowish red (5YR 5/6), moist; loam; moderate medium subangular blocky structure; slightly hard, friable; 0.5 fine tubular pores; faint clay films throughout; 1 percent fine irregular carbonate concretions throughout; fragments. Lab sample # 94P04574. patchy - phpvsfiid 389213; patchy - phpvsfiid 389213
    4Btk2—635 to 704 centimeters (250.0 to 277.2 inches); reddish yellow (5YR 6/6), yellowish red (5YR 5/6), moist; loam; moderate medium subangular blocky structure; slightly hard, friable; 0.5 fine tubular pores; faint clay films throughout; 1 percent fine irregular carbonate concretions throughout; fragments. Lab sample # 94P04575. patchy - phpvsfiid 389214; patchy - phpvsfiid 389214
    4Btk3—704 to 747 centimeters (277.2 to 294.1 inches);, brown (7.5YR 5/4), moist; clay loam; moderate medium subangular blocky structure; hard, firm; 0.5 medium tubular pores; distinct clay films throughout; 5 percent fine irregular carbonate concretions throughout; fragments. Lab sample # 94P04576. discontinuous - phpvsfiid 389215; discontinuous - phpvsfiid 389215
    4Btk4—747 to 790 centimeters (294.1 to 311.0 inches);, brown (7.5YR 5/4), moist; clay loam; hard, firm; distinct clay films throughout; 1 percent fine irregular iron-manganese concretions throughout; 5 percent fine irregular carbonate concretions throughout; fragments. Lab sample # 94P04577. discontinuous - phpvsfiid 389216; discontinuous - phpvsfiid 389216
    4Btk5—790 to 831 centimeters (311.0 to 327.2 inches);, brown (7.5YR 5/4), moist; loam; moderate medium subangular blocky structure; slightly hard, friable; faint clay films throughout; 1 percent fine irregular carbonate concretions throughout; fragments; strong effervescence, by hcl, unspecified. Lab sample # 94P04578. patchy - phpvsfiid 389217; patchy - phpvsfiid 389217
    4Btk6—831 to 914 centimeters (327.2 to 359.8 inches); pink (7.5YR 7/4), light brown (7.5YR 6/4), moist; loam; weak medium subangular blocky structure; slightly hard, friable; faint clay films throughout; 1 percent fine irregular carbonate concretions throughout; fragments; strong effervescence, by hcl, unspecified. Lab sample # 94P04579. patchy - phpvsfiid 389218; patchy - phpvsfiid 389218