IDENTIFIERS

  • Current Taxon Name (Soil Name): St. Thomas
  • OSD
  • Series Extent
  • User Site ID: S2009NV003105
  • User Pedon ID: S2009NV003105
  • Vegetation Plot ID: S2009NV003105
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 09N0816
  • NCSS Pedon Lab Data NASIS Record ID - 24700
  • 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: 36.3550377
  • Std. Longitude: -115.0865860
  • Datum: WGS84
  • State: Nevada
  • County: NV003—Clark
  • MLRA: 30—Mojave Basin and Range
  • Non-MLRA Soil Survey Area: NV786—Energy and Defense Area, Nevada, Parts of Clark, Lincoln and Nye Counties
  • 7.5 Minute USGS Quad: 36115-D2—Gass Peak, Nevada

    • PEDON

  • Describers Name: Doug Merkler
  • Current Taxonomic Class: Loamy-skeletal, carbonatic, thermic Lithic Torriorthents
  • Current Taxon Kind: series
  • Pedon #: 105
  • Correlated Information:
  • Soil Name - St. Thomas
  • PSC - 0 to 32 cm.
  • Classificaton Date - 8/25/2010
  • Sampled As Information:
  • Soil Name - St. Thomas
  • Classificaton Date - 4/3/2009
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: limestone and dolomite and/or limestone
  • Landscape: hills, mountains
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 15.00 percent nonflat 2- to 5-millimeter 60.00 percent nonflat 5- to 75-millimeter 10.00 percent nonflat 75- to 250-millimeter
  • Benchmark Soil?: no

    • VEGETATION

  • Ecological Sites. (Click Ecological Site ID For Link to EDIT.)
    Ecological Site ID Ecological Site Name Correlation Data Classifier
    R030XB001NV LIMY HILL 5-7 P.Z.

    • SITE OBSERVATION

  • Observation Date: 4/3/2009 (actual site observation date)
  • Surface Cover Properties:
  • 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

    AMDU2

    BRRU2

    EPNE

    LATR2

    PLANT

    Ambrosia dumosa

    Bromus rubens

    Ephedra nevadensis

    Larrea tridentata

    Plantago

    burrobush

    red brome

    Nevada jointfir

    creosote bush

    plantain

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

    ochric epipedon

    calcic horizon

    lithic contact

    0—4

    4—32

    32—

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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

    35

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    944

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    42

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    A—0 to 4 centimeters (0.0 to 1.6 inches); light brown (7.5YR 6/3), brown (7.5YR 5/3), moist; extremely gravelly sandy loam; 65 percent sand; 15 percent clay; weak fine platy structure; soft, very friable, nonsticky, nonplastic; 3.0 very fine roots and 3.0 fine roots; 5.0 very fine interstitial pores; 45 percent by volume nonflat 2-40-75 millimeter unspecified fragments; clear smooth boundary. Lab sample # 09N02780; observed in pit, small
    Bk1—4 to 20 centimeters (1.6 to 7.9 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; gravelly sandy loam; 60 percent sand; 17 percent clay; weak medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; 5.0 very fine roots and 0.5 medium roots and 5.0 fine roots; 5.0 very fine interstitial and 5.0 fine interstitial pores; 15 percent by volume nonflat 2-40-75 millimeter unspecified fragments; clear wavy boundary. Lab sample # 09N02781; observed in pit, small
    Bk2—20 to 32 centimeters (7.9 to 12.6 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; extremely gravelly sandy loam; 60 percent sand; 17 percent clay; massive; soft, very friable, slightly sticky, nonplastic; 0.5 medium roots and 0.5 fine roots; 3.0 fine interstitial pores; 75 percent by volume nonflat 2-40-75 millimeter unspecified fragments; abrupt wavy boundary. Lab sample # 09N02782; observed in pit, small
    R—32 centimeters (12.6 inches); bedrock; fragments.; observed in pit, small