IDENTIFIERS

  • Current Taxon Name (Soil Name): Mountmummy
  • OSD
  • Series Extent
  • User Site ID: 04NV003005
  • User Pedon ID: 04NV003005
  • Vegetation Plot ID: 04NV003005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 05N0123
  • NCSS Pedon Lab Data NASIS Record ID - 16881
  • Print Date: 4/22/2025

    • 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: 36.2962222
  • Std. Longitude: -115.6269167
  • Datum: WGS84
  • Map Unit: 905—Mountmummy-Thesisters-Maryjane association
  • State: Nevada
  • County: NV003—Clark
  • MLRA: 30—Mojave Basin and Range
  • 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, frigid Pachic Calciustolls
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Mountmummy
  • PSC - 25 to 62 cm.
  • Classificaton Date - 6/29/2009
  • Soil Taxonomic Edition - ninth edition
  • Sampled As Information:
  • Soil Name - Mountmummy
  • Classificaton Date - 6/26/2004
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium derived from limestone
  • Landform: backslope mountain
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Bedrock: limestone, unspecified at 62cm
  • Surface Fragments: 75.00 percent nonflat subangular 2- to 75-millimeter limestone, unspecified, 2.00 percent nonflat subangular 250- to 600-millimeter limestone, unspecified, 10.00 percent nonflat subangular 76- to 250-millimeter limestone, unspecified,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/26/2004 (actual site observation date)
  • Air Photo ID: 11597-100
  • 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

    0

    4

    31

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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

    0

    4

    31

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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

    0

    4

    31

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    0

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    76

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

    PILO

    SALVI

    GILIA

    POFE

    CAREX

    ELEL5

    Pinus longaeva

    Salvia

    Gilia

    Poa fendleriana

    Carex

    Elymus elymoides

    Great Basin bristlecone pine

    sage

    gilia

    muttongrass

    sedge

    squirreltail

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

    bedrock, lithic

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    62 - 87

    - 25 -

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

    mollic epipedon

    calcic horizon

    lithic contact

    0—62

    31—62

    62—

    —31—

    —31—

    —-
    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    6/26/2004

    6/26/2004

    10

    15

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    17

    17
    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

    45

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    3034

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    180

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    A—0 to 4 centimeters (0.0 to 1.6 inches); dark yellowish brown (10YR 4/4) crushed, dark brown (10YR 3/3) crushed, moist; extremely gravelly fine sandy loam; 55 percent sand; 37 percent silt; 8 percent clay; moderate medium subangular blocky structure; soft, very friable, slightly sticky, nonplastic; 0.5 very fine roots throughout; 7.0 very fine tubular and 1.0 fine tubular pores; 1 percent by volume nonflat subangular 250-400-600 millimeter limestone, unspecified fragments and 5 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; very slight effervescence, by hcl, 1n; slightly alkaline, pH 7.6, phenol red; clear smooth boundary. Lab sample # 05N00628; observed in pit, small
    Bk1—4 to 31 centimeters (1.6 to 12.2 inches); yellowish brown (10YR 5/4) crushed, dark brown (10YR 3/3) crushed, moist; extremely gravelly sandy loam; 60 percent sand; 30 percent silt; 10 percent clay; moderate medium subangular blocky structure; slightly hard, very friable, slightly sticky, nonplastic; 4.0 very fine roots throughout and 3.0 very fine roots throughout and 0.5 very coarse roots throughout and 1.0 very coarse roots throughout and 0.5 fine to coarse roots throughout and 1.0 fine to coarse roots throughout; 4.0 very fine tubular and 2.0 fine tubular pores; 80 percent prominent white (10YR 8/1) carbonate coats on bottom of rock fragments; 1 percent by volume nonflat subangular 250-400-600 millimeter limestone, unspecified fragments and 10 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; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.6, phenol red; abrupt smooth boundary. Lab sample # 05N00629; observed in pit, small
    Bk2—31 to 62 centimeters (12.2 to 24.4 inches); light yellowish brown (10YR 6/4) crushed, dark yellowish brown (10YR 4/4) crushed, moist; extremely cobbly sandy loam; 65 percent sand; 27 percent silt; 8 percent clay; massive; moderately hard, very friable, slightly sticky, nonplastic; 0.5 very fine and fine roots throughout and 2.0 medium and coarse roots throughout; 9.0 very fine pores; 90 percent fine prominent very pale brown (10YR 8/2) carbonate nodules on bottom of rock fragments and 50 percent medium distinct very pale brown (10YR 7/3) carbonate masses; 5 percent by volume nonflat subangular 250-400-600 millimeter limestone, unspecified fragments and 40 percent by volume nonflat subangular 76-125-250 millimeter limestone, unspecified fragments and 40 percent by volume nonflat subangular 2-50-75 millimeter limestone, unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, phenol red; abrupt irregular boundary. Lab sample # 05N00630; observed in pit, small
    R—62 to 87 centimeters (24.4 to 34.3 inches); bedrock; fragments.; observed in pit, small