IDENTIFIERS

  • Current Taxon Name (Soil Name): Lampasas
  • OSD
  • Series Extent
  • User Site ID: S83TX193002
  • User Pedon ID: S83TX193002
  • Vegetation Plot ID: S83TX-193-002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - TAMU
  • Lab Pedon # - S83TX193002
  • NCSS Pedon Lab Data NASIS Record ID - 82640
  • 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: 31.4599056
  • Std. Longitude: -98.2239250
  • Datum: WGS84
  • Location Description: From the intersection of U.S. Hwy 84 and 281 in Evant, 8 km west on U.S. 84 and 3 km south on county road. Site is 250 meters northeast of road.

    • PEDON

  • Describers Name: West, Hallmark, Stahnke
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Pedon PC 5.0
  • Sampled As Information:
  • Soil Name - Lampasas
  • Taxon Kind - taxadjunct
  • PSC - 25 to 74 cm.
  • Classificaton Date - 8/30/2012
  • Classifier - ALS
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - ustic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: soft limestone
  • Landscape: upland
  • Hill Slope Profile: backslope
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/7/1983 (actual site observation date)
  • 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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ACAN

    AMPHI8

    AMPS

    ARPU8

    BOISS

    BOLAT

    BUDA

    CRTE4

    NALE3

    Acacia angustissima

    Amphiachyris

    Ambrosia psilostachya

    Aristida purpurascens

    Bothriochloa ischaemum var. songarica

    Bothriochloa laguroides ssp. torreyana

    Buchloe dactyloides

    Croton texensis

    Nassella leucotricha

    prairie acacia

    broomweed

    Cuman ragweed

    arrowfeather threeawn

    yellow bluestem

    silver beardgrass

    buffalograss

    Texas croton

    Texas wintergrass

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

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    74 -

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

    mollic epipedon

    calcic horizon

    lithic contact

    paralithic contact

    redox concentrations

    0—44

    44—106

    76—1106

    106—199

    106—195

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    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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    A—0 to 20 centimeters (0.0 to 7.9 inches); dark brown (7.5YR 3/2), brown (7.5YR 5/2), dry; silty clay loam; weak medium prismatic, and moderate very fine subangular blocky structure; hard, firm; 5.0 very fine roots and 5.0 fine roots; 10.0 very fine pores; 1 percent worm casts and 5 percent fine carbonate nodules and medium carbonate nodules; fragments; violent effervescence; moderately alkaline, pH 8.2; abrupt smooth boundary. Lab sample # TAMU1838
    Ak—20 to 44 centimeters (7.9 to 17.3 inches); dark brown (7.5YR 3/2), brown (7.5YR 5/2), dry; clay loam; weak medium subangular blocky structure; hard, firm; 5.0 very fine roots and 5.0 fine roots; 1 percent threadlike carbonate masses on vertical faces of peds and 1 percent worm casts and 10 percent carbonate nodules; calcrete (caliche) fragments and 10 percent by volume shell fragments fragments; violent effervescence; moderately alkaline, pH 8.2; clear smooth boundary. Lab sample # TAMU1839
    Bk—44 to 74 centimeters (17.3 to 29.1 inches); olive brown (2.5Y 4/4), light yellowish brown (2.5Y 6/4), dry; loam; weak medium subangular blocky structure; hard, firm; very fine roots and 2.0 fine roots; 2.0 medium pores; 5 percent carbonate coats on all faces of peds; 1 percent worm casts and 5 percent threadlike carbonate concretions on faces of peds; , 70 percent by weight indurated limestone, unspecified fragments and , 5 percent by weight 5-?-20 millimeter shell fragments fragments; violent effervescence; moderately alkaline, pH 8.2; abrupt wavy boundary. Lab sample # TAMU1840
    Rk—74 to 106 centimeters (29.1 to 41.7 inches); white (10YR 8/1), white (10YR 8/1), dry; very fine roots in cracks and 0.5 fine roots in cracks; carbonate coats; 50 percent carbonate concretions; fragments; violent effervescence; moderately alkaline, pH 8.2; clear smooth boundary. Lab sample # TAMU1841
    C/Bkm—106 to 140 centimeters (41.7 to 55.1 inches); light yellowish brown (10YR 6/4), light yellowish brown (10YR 6/4), dry; 1 percent fine red (2.5YR 4/8) and light red (2.5YR 6/8) masses of oxidized iron; lapilli fragments; violent effervescence; moderately alkaline, pH 8.2; clear smooth boundary. Lab sample # TAMU1842
    Crk—140 to 195 centimeters (55.1 to 76.8 inches); light yellowish brown (10YR 6/4), light yellowish brown (10YR 6/4), dry; 1 percent fine distinct light red (2.5YR 6/8) masses of oxidized iron and 10 percent fine distinct brownish yellow (10YR 6/8) masses of oxidized iron; 30 percent carbonate nodules; fragments; violent effervescence; moderately alkaline, pH 8.2. Lab sample # TAMU1843
    Cr—195 to 199 centimeters (76.8 to 78.3 inches); fragments. Lab sample # TAMU1844