IDENTIFIERS

  • Current Taxon Name (Soil Name): Purob
  • OSD
  • Series Extent
  • User Site ID: 04NV003004
  • User Pedon ID: 04NV003004
  • Vegetation Plot ID: 04NV003004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 05N0122
  • NCSS Pedon Lab Data NASIS Record ID - 16880
  • Print Date: 11/23/2024

    • 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: 36.2716667
  • Std. Longitude: -115.5055556
  • Datum: WGS84
  • Township: 19 S
  • Range: 58 E
  • Section: 29
  • PLSS Details: about 950 feet north and 500 feet east of the southwest corner
  • Location Description: Clark County, Nevada; approximately 1/2 mile south of State Route 157 and 1/4 mile east of the Toiyabe National Forest boundary in Kyle Canyon on the east side of the Spring Mountain Range;
  • Map Unit: 731—Purob-Irongold association
  • State: Nevada
  • County: NV003—Clark
  • Non-MLRA Soil Survey Area: NV755—Clark County Area, Nevada
  • 7.5 Minute USGS Quad: 36115-C5—Angel Peak, Nevada

    • PEDON

  • Describers Name: Leon Lato
  • Current Taxonomic Class: Loamy-skeletal, carbonatic, mesic, shallow Calcic Petrocalcids
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Purob
  • PSC - 25 to 104 cm.
  • Classificaton Date - 6/29/2009
  • Sampled As Information:
  • Soil Name - Purob
  • Classificaton Date - 4/11/1995
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: mixed alluvium derived from limestone
  • Landform: fan remnant
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments: 60.00 percent nonflat subangular 2- to 75-millimeter limestone, unspecified, 1.00 percent nonflat subangular 250- to 600-millimeter limestone, unspecified, 4.00 percent nonflat subangular 76- to 250-millimeter limestone, unspecified,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/11/1995 (actual site observation date)
  • Air Photo ID: 2702-4
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    A

    Bk1

    Bk2

    Bk3

    0

    8

    20

    41

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    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    A

    Bk1

    Bk2

    Bk3

    0

    8

    20

    41

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    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    A

    Bk1

    Bk2

    Bk3

    0

    8

    20

    41

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    17

    12

    30

    65

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    Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    CORA

    EPVI

    OPAC

    YUBA

    YUBR

    Coleogyne ramosissima

    Ephedra viridis

    Opuntia acanthocarpa

    Yucca baccata

    Yucca brevifolia

    blackbrush

    mormon tea

    buckhorn cholla

    banana yucca

    Joshua tree

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

    petrocalcic

    very strongly coherent

    48 - 73

    - 25 -

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

    ochric epipedon

    calcic horizon

    petrocalcic horizon

    0—15

    20—48

    48—152

    —15—

    —28—

    —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

    6

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    1645.9

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    125

    229

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    12

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    A—0 to 8 centimeters (0.0 to 3.1 inches); very pale brown (10YR 7/4) crushed, dark yellowish brown (10YR 4/4) crushed, moist; extremely gravelly loam; 50 percent sand; 39 percent silt; 11 percent clay; moderate medium platy, and moderate thin platy structure; slightly hard, very friable, nonsticky, nonplastic; 0.5 very fine and fine roots throughout; 2.5 very fine to medium vesicular and 0.5 fine tubular pores; 1 percent by volume nonflat subangular 250-400-600 millimeter limestone, unspecified fragments and 4 percent by volume nonflat subangular 76-125-250 millimeter limestone, unspecified fragments and 60 percent by volume nonflat subangular 2-50-75 millimeter limestone, unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, thymol-blue; clear smooth boundary. Lab sample # 05N00623; observed in pit, small
    Bk1—8 to 20 centimeters (3.1 to 7.9 inches); yellowish brown (10YR 5/4) crushed, dark yellowish brown (10YR 4/4) crushed, moist; very gravelly loam; 40 percent sand; 47 percent silt; 13 percent clay; weak medium subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 2.5 very fine and fine roots throughout and 0.5 medium and coarse roots throughout; 2.5 very fine interstitial and tubular and 0.5 fine interstitial and tubular pores; 40 percent by volume nonflat subangular 2-50-75 millimeter limestone, unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, thymol-blue; clear wavy boundary. Lab sample # 05N00624; observed in pit, small
    Bk2—20 to 41 centimeters (7.9 to 16.1 inches); yellowish brown (10YR 5/4) crushed, brown (7.5YR 4/4) crushed, moist; very gravelly loam; 40 percent sand; 45 percent silt; 15 percent clay; weak medium subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 2.5 very fine roots throughout and 0.5 fine and medium roots throughout; 0.5 very fine and fine interstitial and tubular pores; 5 percent by volume nonflat subangular 76-125-250 millimeter limestone, unspecified fragments and 50 percent by volume nonflat subangular 2-50-75 millimeter limestone, unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4, thymol-blue; clear wavy boundary. Lab sample # 05N00625; observed in pit, small
    Bk3—41 to 48 centimeters (16.1 to 18.9 inches); light yellowish brown (10YR 6/4) crushed, dark yellowish brown (10YR 4/4) crushed, moist; very gravelly loam; 45 percent sand; 44 percent silt; 11 percent clay; weak medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; 0.5 very fine roots throughout; 0.5 very fine and fine interstitial and tubular pores; 7 percent by volume nonflat subangular 76-125-250 millimeter limestone, unspecified fragments and 55 percent by volume nonflat subangular 2-50-75 millimeter limestone, unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4, thymol-blue; abrupt broken boundary. Lab sample # 05N00626; observed in pit, small
    Bkqm—48 to 73 centimeters (18.9 to 28.7 inches); white (10YR 8/1) crushed and very pale brown (10YR 8/2) crushed, very pale brown (10YR 8/3) crushed and very pale brown (10YR 7/3) crushed, moist; indurated; massive; rigid, rigid; brittle; fragments; violent effervescence, by hcl, 1n. Lab sample # 05N00627; observed in pit, small