IDENTIFIERS

  • Current Taxon Name (Soil Name): Montillo
  • OSD
  • Series Extent
  • User Site ID: S1993NM031001
  • User Pedon ID: 93NM031001
  • Vegetation Plot ID: S1993NM031001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 94P0353
  • NCSS Pedon Lab Data NASIS Record ID - 66531
  • Print Date: 3/2/2025

    • 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: 35.3347206
  • Std. Longitude: -107.3352814
  • Datum: WGS84
  • Location Description: McKinley County, New Mexico. About 2.3 miles northwest of Marquez, New Mexico.
  • State: New Mexico
  • County: NM031—McKinley
  • MLRA: 39—Mogollon Transition North
  • Non-MLRA Soil Survey Area: NM692—McKinley County Area, New Mexico, McKinley County and Parts of Cibola and San Juan Counties

    • PEDON

  • Current Taxonomic Class: Fine, mixed, superactive, frigid Vertic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Montillo
  • PSC - 8 to 58 cm.
  • Classificaton Date - 6/15/2007
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - Montillo
  • Taxonomic Class - Fine, montmorillonitic Abruptic Pachic Argiboroll
  • Taxon Kind - series
  • Classificaton Date - 8/3/1993
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: lava plateau
  • Landform: alluvial flat
  • Slope Shape Down: linear
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: basalt
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/3/1993 (actual site observation date)
  • Air Photo ID: 49719
  • 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

    FEAR2

    MUMO

    PIED

    PIPO

    QUGA

    ROCR

    SIHY

    Festuca arizonica

    Muhlenbergia montana

    Pinus edulis

    Pinus ponderosa

    Quercus gambelii

    Rollandia crispa

    Sitanion hystrix

    Arizona fescue

    mountain muhly

    twoneedle pinyon

    ponderosa pine

    Gambel oak

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

    mollic epipedon

    lithic contact

    abrupt textural change

    argillic horizon

    0—81

    0—81

    0—8

    8—81

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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

    7

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    2499

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    457

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    6.1

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    7.2

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    2R—81 centimeters (31.9 inches); 1 percent by volume 75-162-250 millimeter basalt fragments and 35 percent by volume 2-39-75 millimeter basalt fragments.
    A—0 to 8 centimeters (0.0 to 3.1 inches); dark reddish brown (5YR 3/2), reddish brown (5YR 4/3), dry; gravelly loam; moderate thin platy structure; soft, very friable, nonsticky, nonplastic; 3.0 very fine and fine roots throughout; 3.0 fine interstitial pores; 1 percent by volume subrounded 250-425-600 millimeter basalt fragments and 10 percent by volume subrounded 75-162-250 millimeter basalt fragments and 25 percent by volume subrounded 2-39-75 millimeter basalt fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.4, cresol red; clear smooth boundary.
    Btl—8 to 20 centimeters (3.1 to 7.9 inches); dark reddish brown (5YR 3/2), dark reddish brown (5YR 3/2), dry; clay; moderate medium granular structure; hard, firm, moderately sticky, very plastic; 21.0 very fine and fine roots throughout; 3.0 fine interstitial pores; 3 percent distinct clay films on faces of peds; 2 percent by volume 75-162-250 millimeter basalt fragments and 5 percent by volume 2-39-75 millimeter basalt fragments; noneffervescent, by hcl, 1n; neutral, pH 6.6, cresol red; clear smooth boundary. Lab sample # 94P02181
    Btssl—20 to 38 centimeters (7.9 to 15.0 inches); dark reddish brown (5YR 3/2), dark reddish brown (5YR 3/2), dry; clay; moderate fine and medium angular blocky structure; very hard, very firm, moderately sticky, very plastic; 3.0 very fine and fine roots throughout; 3.0 fine tubular pores; 1 percent nonintersecting slickensides throughout and 3 percent pressure faces throughout and 21 percent prominent clay films on faces of peds; 5 percent by volume 2-39-75 millimeter basalt fragments and 5 percent by volume 75-162-250 millimeter basalt fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.4, cresol red; clear smooth boundary. Lab sample # 94P02182
    Btss2—38 to 69 centimeters (15.0 to 27.2 inches); dark reddish brown (5YR 3/3), dark reddish brown (5YR 3/2), dry; clay; strong medium angular blocky structure; very hard, very firm, moderately sticky, very plastic; 3.0 very fine and fine roots throughout; 3.0 fine tubular pores; 3 percent nonintersecting slickensides throughout and 3 percent pressure faces throughout and 21 percent prominent clay films on faces of peds; 5 percent by volume 75-162-250 millimeter basalt fragments and 5 percent by volume 2-39-75 millimeter basalt fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.4, cresol red; clear smooth boundary. Lab sample # 94P02183
    2Bt2—69 to 81 centimeters (27.2 to 31.9 inches); dark reddish brown (5YR 3/3), reddish brown (5YR 4/3), dry; gravelly clay; strong fine and medium subangular blocky structure; very hard, very firm, moderately sticky, very plastic; 3.0 very fine and fine roots throughout; 3.0 fine tubular pores; 21 percent prominent clay films on faces of peds; 5 percent by volume 2-39-75 millimeter basalt fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.6, cresol red; abrupt irregular boundary. Lab sample # 94P02184