IDENTIFIERS

  • Current Taxon Name (Soil Name): Tilvern
  • OSD
  • Series Extent
  • User Site ID: S98-TX269-001
  • User Pedon ID: MLRA78-Tilvern-TX269-001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 98P0556
  • NCSS Pedon Lab Data NASIS Record ID - 10826
  • 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: 33.4512482
  • Std. Longitude: -100.2639465
  • Datum: WGS84
  • Location Description: From the King County courthouse in Guthrie, TX, 11.7 mi. south on US Highway 83, 3100 feet east on Croton Creek Ranch entrance road, 440 feet south in rangeland.
  • State: Texas
  • County: TX269—King
  • MLRA: 78C—Central Rolling Red Plains, Eastern Part
  • Non-MLRA Soil Survey Area: TX269—King County, Texas
  • 7.5 Minute USGS Quad: 33100-D3—Bob Creek, Texas

    • PEDON

  • Describers Name: Dennis Ressel & Clay Salisbury
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Tilvern
  • Taxonomic Class - Fine, mixed Vertic Ustochrepts
  • Classificaton Date - 7/23/1998
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/23/1998 (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

    cambic horizon

    slickensides

    10—145

    48—104

    —-

    —-
    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

    —

    —

    —

    —

    225

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); dark brown (7.5YR 3/2), brown (7.5YR 4/2), dry; silty clay loam; moderate coarse prismatic parts to moderate fine and medium subangular blocky structure; hard when dry, friable; 9.0 very fine and fine roots and 1.0 medium roots; 6.0 very fine and fine and 1.0 medium pores; fragments; noneffervescent; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 98P03257
    Bw—10 to 25 centimeters (3.9 to 9.8 inches); dark reddish brown (5YR 3/4), reddish brown (5YR 4/4), dry; silty clay; moderate coarse prismatic parts to moderate fine and medium angular blocky structure; very hard, very firm; 4.0 very fine and fine roots; 4.0 very fine and fine pores; 1 percent fine carbonate concretions; fragments; very slight effervescence; slightly alkaline, pH 7.6, hellige-truog; gradual wavy boundary. Lab sample # 98P03258
    Bk—25 to 48 centimeters (9.8 to 18.9 inches); reddish brown (5YR 4/4), reddish brown (5YR 5/4), dry; silty clay; moderate coarse prismatic parts to moderate fine and medium angular blocky structure; very hard, very firm; 3.0 very fine and fine roots; 3.0 very fine and fine pores; 2 percent fine and medium carbonate concretions; fragments; strong effervescence; moderately alkaline, pH 8.0, hellige-truog; gradual wavy boundary. Lab sample # 98P03259
    Bssk1—48 to 76 centimeters (18.9 to 29.9 inches); reddish brown (5YR 4/4), reddish brown (5YR 5/4), dry; silty clay; moderate coarse angular blocky parts to moderate medium angular blocky structure; extremely hard, very firm; 1.0 very fine and fine roots; 2.0 very fine and fine pores; 30 percent slickensides (pedogenic) on faces of peds; 3 percent fine and medium carbonate concretions and 2 percent fine and medium carbonate masses; fragments; strong effervescence; moderately alkaline, pH 8.0, hellige-truog; gradual wavy boundary. Lab sample # 98P03260
    Bssk2—76 to 104 centimeters (29.9 to 40.9 inches); reddish brown (5YR 4/4), reddish brown (5YR 5/4), dry; silty clay; moderate coarse angular blocky parts to moderate medium angular blocky structure; extremely hard, very firm; 1.0 very fine roots; 2.0 very fine and fine pores; 1 percent black stains and 50 percent slickensides (pedogenic) on faces of peds; 2 percent fine carbonate concretions and 1 percent fine and medium carbonate masses; fragments; strong effervescence; moderately alkaline, pH 8.0, hellige-truog; gradual wavy boundary. Lab sample # 98P03261
    Bky—104 to 145 centimeters (40.9 to 57.1 inches); dark reddish brown (2.5YR 3/4), reddish brown (2.5YR 4/4), dry; silty clay; weak medium and coarse angular blocky structure; extremely hard, very firm; 0.5 very fine roots; 0.8 very fine and fine pores; 3 percent gypsum crystal clusters and 2 percent fine carbonate masses; 2 percent by volume shale, clayey fragments; strong effervescence; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary. Lab sample # 98P03262
    Cr1—145 to 168 centimeters (57.1 to 66.1 inches); dark reddish brown (2.5YR 3/4), reddish brown (2.5YR 4/4), dry; 2 percent greenish gray (5GY 5/1) fine mottles; massive; 0.2 very fine roots in cracks; 5 percent gypsum crystal clusters; 3 percent by volume 2-39-75 millimeter dolomite (dolostone) fragments; strong effervescence; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary. Lab sample # 98P03263. The bedrock is Permian shale.
    Cr2—168 to 175 centimeters (66.1 to 68.9 inches); greenish gray (5GY 5/1); massive; 0.1 very fine roots in cracks; 5 percent carbonate coats; fragments; violent effervescence; moderately alkaline, pH 8.0, hellige-truog; abrupt smooth boundary. Lab sample # 98P03264. The bedrock is Permian shale.
    R—175 to 183 centimeters (68.9 to 72.0 inches); fragments; slight effervescence. Lab sample # 98P03265. The bedrock is Permian Dolomite.
    Cr'1—183 to 196 centimeters (72.0 to 77.2 inches); greenish gray (5GY 5/1); fragments; strong effervescence. Lab sample # 98P03266. The bedrock is Permian shale.
    Cr'2—196 to 254 centimeters (77.2 to 100.0 inches); dark reddish brown (2.5YR 3/4); fragments; strong effervescence. Lab sample # 98P03267. The bedrock is Permian shale.