IDENTIFIERS

  • Current Taxon Name (Soil Name): Topsey
  • OSD
  • Series Extent
  • User Site ID: S1980TX099005
  • User Pedon ID: S80TX099005
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 81P0101
  • NCSS Pedon Lab Data NASIS Record ID - 48396
  • Print Date: 4/27/2025

    • 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: 31.3629972
  • Std. Longitude: -97.7537472
  • Datum: WGS84
  • Location Description: Coryell County, TX; from the intersection of TX Hwy 36 & W Range Rd. which is about 3 mi SE of Gatesville, 1.6 mi SW on W Range Rd., then 1.8 miles southwest on Turnover Creek Road (Old Georgetown Road), and 950 feet north-northeast, in range.
  • State: Texas
  • County: TX099—Coryell
  • MLRA: 85—Grand Prairie
  • Non-MLRA Soil Survey Area: TX099—Coryell County, Texas
  • 7.5 Minute USGS Quad: 31097-C7—Shell Mountains, Texas

    • PEDON

  • Describers Name: L. Kiniry, C. L. Girdner, C. Thompson, O. Bynum
  • Current Taxonomic Class: Fine-loamy, carbonatic, thermic Udic Calciustolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Topsey (flagged as OSD)
  • PSC - 25 to 71 cm.
  • Classificaton Date - 11/18/2015
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Topsey
  • Taxonomic Class - Fine-loamy, carbonatic, thermic Typic Calciustoll
  • Taxon Kind - series
  • Classificaton Date - 10/1/1980
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


    • SITE

  • Parent Material: calcareous, clayey and loamy residuum weathered from claystone and/or marl
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: side slope
  • Slope Shape Down: concave
  • Runoff: medium
  • Drainage Class: well
  • Bedrock: noncoherent marl at 71cm
  • Geology: Walnut formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

  • Ecological Sites. (Click Ecological Site ID For Link to EDIT.)
    Ecological Site ID Ecological Site Name Correlation Data Classifier
    R085AY179TX Clayey Slope 30-38

    • SITE OBSERVATION

  • Observation Date: 10/1/1980 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, savanna
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, densic

    noncoherent

    71 - 203

    - 132 -

    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    calcic horizon

    densic materials

    0—20

    20—48

    48—71

    71—203

    —20—

    —28—

    —23—

    —132—
    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

    3

    —

    —

    257

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 20 centimeters (0.0 to 7.9 inches); dark grayish brown (10YR 4/2) interior, very dark grayish brown (10YR 3/2) interior, moist; clay loam; moderate very fine granular, and moderate very fine subangular blocky structure; slightly hard, friable; 2.5 very fine and fine roots and 0.5 medium roots; 2.5 fine tubular pores; 1 percent worm casts; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 81P00520
    Bw1—20 to 36 centimeters (7.9 to 14.2 inches); grayish brown (2.5Y 5/2) interior, dark grayish brown (2.5Y 4/2) interior, moist; clay loam; moderate very fine granular, and moderate very fine subangular blocky structure; hard, friable; 0.5 medium roots and 2.5 fine roots; 2.5 fine tubular pores; 10 percent very dark grayish brown (10YR 3/2), moist, organic stains on faces of peds; 1 percent very fine carbonate masses and 1 percent very fine carbonate concretions; 2 percent by volume 2-?-30 millimeter shell fragments fragments observed by visual inspection method; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 81P00521. Dark organic stains on some ped surfaces; about 2 percent Texigryphaea shell fragments
    Bw2—36 to 48 centimeters (14.2 to 18.9 inches); light yellowish brown (2.5Y 6/4) interior, light olive brown (2.5Y 5/4) interior, moist; gravelly loam; moderate medium subangular blocky structure; hard, friable; 0.5 medium roots and 2.5 fine roots; 2.5 fine tubular pores; 1 percent carbonate threads and 1 percent very fine carbonate masses and 1 percent very fine carbonate concretions; 1 percent by volume flat shale, unspecified fragments observed by visual inspection method and 30 percent by volume 2-?-30 millimeter shell fragments fragments observed by visual inspection method; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 81P00522. About 30 percent Texigryphaea shell fragments
    Bk—48 to 71 centimeters (18.9 to 28.0 inches); light yellowish brown (2.5Y 6/4) interior, light olive brown (2.5Y 5/4) interior, moist; silt loam; 1 percent yellowish brown (10YR 5/8) fine distinct and 1 percent pale yellow (2.5Y 7/4) fine faint mottles; weak medium and coarse subangular blocky, and moderate very fine subangular blocky structure; hard, friable; 0.5 fine roots; 2.5 fine tubular pores; 1 percent coarse carbonate masses and 10 percent fine and medium carbonate masses; 1 percent by volume flat shale, unspecified fragments observed by visual inspection method and 5 percent by volume 2-?-30 millimeter shell fragments fragments observed by visual inspection method; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; gradual smooth boundary. Lab sample # 81P00523. About 3 to 5 percent Texigryphaea shell fragments
    2Cd—71 to 203 centimeters (28.0 to 79.9 inches); pale yellow (2.5Y 7/4) interior, light yellowish brown (2.5Y 6/4) interior, moist; silty clay loam, marl; very hard, firm; 0.5 fine roots; 5 percent fine and medium carbonate masses; 2 percent by volume 2-?-30 millimeter shell fragments fragments observed by visual inspection method; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 81P00524. interbedded with thin discontinuous strata of yellowish brown (10YR 5/8) and light gray (10YR 7/2); Many soft masses of calcium carbonate in the upper 15 cm, common masses below 86 cm; about 2 to 5 percent Texigryphaea shell fragments