IDENTIFIERS

  • Current Taxon Name (Soil Name): MARCOU
  • OSD
  • Series Extent
  • User Site ID: S1984AZ017009
  • User Pedon ID: 84AZ017009
  • Vegetation Plot ID: S1984AZ017009
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0221
  • NCSS Pedon Lab Data NASIS Record ID - 55937
  • Print Date: 12/4/2024

    • 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: 35.0952797
  • Std. Longitude: -110.6105576
  • Datum: WGS84
  • Township: 20N
  • Range: 16E
  • Section: 35
  • PLSS Details: 700 feet S and 200 feet W of NE corner
  • Location Description: Navajo County, Arizona. Central part, Area 633.
  • State: Arizona
  • County: AZ017—Navajo
  • MLRA: 35—Colorado Plateau
  • Non-MLRA Soil Survey Area: AZ633—Navajo County Area, Arizona, Central Part

    • PEDON

  • Current Taxonomic Class: Coarse-loamy, mixed, mesic Typic Torriorthents
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 9
  • Correlated Information:
  • Soil Name - MARCOU
  • Classificaton Date - 7/16/2007
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Marcou
  • Taxonomic Class - Coarse-loamy, mixed, mesic Typic Camborthid
  • Taxon Kind - series
  • Classificaton Date - 6/1/1984
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: gently rolling transverse dune
  • Drainage Class: somewhat excessively
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1984 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: wind erosion, water erosion tunnel
    • 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 % % % % % % % % % % % % %

    Bw

    Bk1

    Bk2

    Bk3

    C

    10

    30

    51

    61

    89

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    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

    Bw

    Bk1

    Bk2

    Bk3

    C

    10

    30

    51

    61

    89

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    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 %

    Bw

    Bk1

    Bk2

    Bk3

    C

    10

    30

    51

    61

    89

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    0

    4

    4

    4

    5

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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

    ACHY

    ARFI2

    ATCAC

    GUSA2

    PLJA

    SPAI

    SPCR

    YUCCA

    Achnatherum hymenoides

    Artemisia filifolia

    Atriplex canescens var. canescens

    Gutierrezia sarothrae

    Pleuraphis jamesii

    Sporobolus airoides

    Sporobolus cryptandrus

    Yucca

    Indian ricegrass

    sand sagebrush

    fourwing saltbush

    broom snakeweed

    James' galleta

    alkali sacaton

    sand dropseed

    yucca

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    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

    —

    —

    1499.6

    —

    0

    203

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); reddish brown (5YR 4/3), reddish brown (5YR 5/3), dry; sandy loam; 10 percent clay; weak very fine platy structure; soft, very friable, nonsticky, nonplastic; 21.0 very fine roots and 21.0 fine roots; 21.0 very fine vesicular pores; fragments; slight effervescence; moderately alkaline, pH 8.4; abrupt smooth boundary.
    Bw—10 to 30 centimeters (3.9 to 11.8 inches); reddish brown (5YR 4/3), reddish brown (5YR 5/3), dry; sandy loam; 10 percent clay; weak medium subangular blocky structure; slightly hard, very friable, slightly sticky, nonplastic; 21.0 very fine roots and 21.0 fine roots; 3.0 very fine tubular and 3.0 fine tubular pores; fragments; slight effervescence; strongly alkaline, pH 8.6; clear smooth boundary. Lab sample # 85P01107
    Bk1—30 to 51 centimeters (11.8 to 20.1 inches); reddish brown (5YR 4/3), reddish brown (5YR 5/3), dry; sandy loam; 12 percent clay; weak medium subangular blocky structure; slightly hard, very friable, slightly sticky, nonplastic; 21.0 very fine roots and 21.0 fine roots; 3.0 very fine tubular and 3.0 fine tubular pores; 1 percent fine irregular carbonate masses lining pores and 1 percent fine irregular carbonate masses; fragments; strong effervescence; strongly alkaline, pH 8.8; clear smooth boundary. Lab sample # 85P01108
    Bk2—51 to 61 centimeters (20.1 to 24.0 inches); reddish brown (5YR 4/3), reddish brown (5YR 5/3), dry; loamy coarse sand; 14 percent clay; massive; slightly hard, very friable, nonsticky, nonplastic; 21.0 very fine roots and 21.0 fine roots; 3.0 very fine tubular and 3.0 fine tubular pores; 1 percent fine irregular carbonate masses and 1 percent fine irregular carbonate masses lining pores; fragments; strong effervescence; strongly alkaline, pH 8.8; clear smooth boundary.
    Bk3—61 to 89 centimeters (24.0 to 35.0 inches); reddish brown (5YR 4/3), reddish brown (5YR 5/3), dry; sandy loam; 16 percent clay; weak medium subangular blocky structure; slightly hard, very friable, slightly sticky, nonplastic; 3.0 very fine roots and 3.0 fine roots; 3.0 very fine tubular and 3.0 fine tubular pores; 1 percent fine irregular carbonate masses and 1 percent fine irregular carbonate masses lining pores; fragments; strong effervescence; strongly alkaline, pH 9.0; clear smooth boundary. Lab sample # 85P01109
    C—89 to 152 centimeters (35.0 to 59.8 inches); reddish brown (5YR 4/3), reddish brown (5YR 5/3), dry; sandy loam; 18 percent clay; massive; slightly hard, very friable, slightly sticky, nonplastic; 21.0 very fine roots and 21.0 fine roots; 3.0 very fine tubular and 3.0 fine tubular pores; fragments; strong effervescence; very strongly alkaline, pH 9.4.