IDENTIFIERS

  • Current Taxon Name (Soil Name): Pajarito
  • OSD
  • Series Extent
  • Local Phase: gravelly surface
  • User Site ID: 2018NM013235
  • User Pedon ID: 2018NM013235
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A5523
  • NCSS Pedon Lab Data NASIS Record ID - 42766
  • User Project ID: 2018 - SW-LAS - 001
  • Project Name: MLRA 42 - Chihuahuan D. Sedimentary Piedmonts and Basins LRU update, parts of NM690, 688, 660, 664, 029, 719 and TX624
  • Print Date: 4/22/2026

    • 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: 32.2807667
  • Std. Longitude: -106.6907194
  • Datum: WGS84
  • Township: 23S
  • Range: 2E
  • Section: 25
  • PLSS Details: West slope of dissected ridge, SW 1/4 NE 1/4
  • Location Description: Dona Ana County, New Mexico.
  • Map Unit: HD—Haplargids, dissected
  • Country: US—United States
  • State: New Mexico
  • County: NM013—Dona Ana
  • MLRA: 42—Southern Desertic Basins, Plains, and Mountains
  • Regional Office: 8—Phoenix, AZ
  • MLRA Soil Survey Area: SW-LAS—Las Cruces, New Mexico
  • Non-MLRA Soil Survey Area: NM690—Dona Ana County Area, New Mexico
  • 7.5 Minute USGS Quad: 32106-C6—Tortugas Mountain, New Mexico

    • PEDON

  • Describers Name: L. H. Gile and R. B. Grossman
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, thermic Typic Haplocambids
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 12
  • Sampled As Information:
  • Soil Name - Pajarito
  • Taxonomic Class - Coarse-loamy, mixed, superactive, thermic Typic Haplocambids
  • Taxon Kind - series
  • PSC - 25 to 100 cm.
  • Classificaton Date - 10/26/2018
  • Classifier - Cates, Greg
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 3
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: coarse-loamy alluvium derived from rhyolite over undifferentiated sandy alluvium
  • Landscape: piedmont
  • Landform: ridge on fan remnant
  • Geomorphic Component Terraces: tread
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: somewhat excessively
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 90.00 percent 2- to 75-millimeter rhyolite,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/19/1959 (actual site observation date)
  • Data Collector: Gile, Grossman
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - shrub cover
  • Site Obs. Cover Kind 2 - rangeland, shrubby
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion sheet
    • 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

    2Bkb1

    2Bkb2

    2Bkb3

    2Bkb4

    2Ckb

    0

    36

    69

    91

    122

    152

    36

    69

    91

    122

    152

    178

    40A41481

    40A41482

    40A41483

    40A41484

    40A41485

    40A41486

    Gile, Grossman, Allen, Ruhe

    Gile, Grossman, Allen, Ruhe

    Gile, Grossman, Allen, Ruhe

    Gile, Grossman, Allen, Ruhe

    Gile, Grossman, Allen, Ruhe

    Gile, Grossman, Allen, Ruhe

    11.8

    13

    13.3

    11.9

    11

    10.3

    —

    —

    —

    —

    —

    —

    10.8

    15.1

    10.6

    8.8

    8.8

    5.9

    2.9

    3.8

    2.8

    2

    8.1

    5.7

    7.9

    11.3

    7.8

    6.8

    0.7

    0.2

    77.4

    71.9

    76.1

    79.3

    80.2

    83.8

    —

    —

    —

    —

    —

    —

    15.3

    2.3

    0.5

    0.8

    0.5

    1

    4.4

    4.1

    3.4

    3.3

    3

    4.2

    10

    11.4

    11.9

    10.9

    9.7

    11.9

    34.1

    38.2

    43.8

    45.7

    45.2

    47.5

    13.6

    15.9

    16.5

    18.6

    21.8

    19.2

    —

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    fsl

    fsl

    fsl

    fsl

    fsl

    lfs

    —

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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

    Bw

    2Bkb1

    2Bkb2

    2Bkb3

    2Bkb4

    2Ckb

    0

    36

    69

    91

    122

    152

    36

    69

    91

    122

    152

    178

    40A41481

    40A41482

    40A41483

    40A41484

    40A41485

    40A41486

    —

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    11.3

    13.3

    12.1

    10.8

    9.5

    8.6

    —

    —

    —

    —

    —

    —
    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

    2Bkb1

    2Bkb2

    2Bkb3

    2Bkb4

    2Ckb

    0

    36

    69

    91

    122

    152

    36

    69

    91

    122

    152

    178

    40A41481

    40A41482

    40A41483

    40A41484

    40A41485

    40A41486

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    10

    4

    2

    2

    5

    6

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

    ochric epipedon

    0—36

    —36—
    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

    25

    —

    —

    1311

    —

    270

    —

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    Bw—0 to 36 centimeters (0.0 to 14.2 inches); light brown (7.5YR 6/3), brown (7.5YR 5/4), moist; extremely gravelly fine sandy loam; 77 percent sand; 11 percent silt; 12 percent clay; massive, and fine subangular blocky, and medium subangular blocky; slightly hard; few (0.5) roots; 3 percent carbonate coats; carbonate, finely disseminated throughout; 4 percent by volume 5-13-20 millimeter igneous, unspecified fragments and 6 percent by volume 2-4-5 millimeter igneous, unspecified fragments and 38 percent by volume 20-48-75 millimeter igneous, unspecified fragments; strong effervescence, by hcl, 1n; abrupt wavy boundary. Lab sample # 40A41481
    2Bkb1—36 to 69 centimeters (14.2 to 27.2 inches); reddish brown (5YR 5/4), reddish brown (5YR 4/4), moist; fine sandy loam; 72 percent sand; 15 percent silt; 13 percent clay; single grain; very hard; few (0.5) roots; 3 percent carbonate coats; carbonate, finely disseminated throughout; fragments; slight effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 40A41482
    2Bkb2—69 to 91 centimeters (27.2 to 35.8 inches); light reddish brown (5YR 6/4), reddish brown (5YR 4/4), moist; fine sandy loam; 76 percent sand; 11 percent silt; 13 percent clay; moderate medium subangular blocky, and angular blocky structure; very hard; very few (0.1) roots; carbonate, finely disseminated throughout and threadlike strongly coherent cemented carbonate masses and carbonate masses lining pores; fragments; slight effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # 40A41483
    2Bkb3—91 to 122 centimeters (35.8 to 48.0 inches); light reddish brown (5YR 6/4), reddish brown (5YR 4/4), moist; fine sandy loam; 79 percent sand; 9 percent silt; 12 percent clay; weak medium angular blocky, and subangular blocky structure; very hard; very few (0.1) roots; carbonate coats in root channels and/or pores; 3 percent dark concretions; 1 percent pinkish white (5YR 8/2) carbonate nodules and carbonate, finely disseminated throughout and threadlike carbonate masses and carbonate masses lining pores; fragments; slight effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 40A41484
    2Bkb4—122 to 152 centimeters (48.0 to 59.8 inches); light reddish brown (5YR 6/4), reddish brown (5YR 5/4), moist; fine sandy loam; 80 percent sand; 9 percent silt; 11 percent clay; weak medium angular blocky, and subangular blocky structure; carbonate coats in root channels and/or pores; 1 percent pinkish white (5YR 8/2) carbonate nodules and carbonate, finely disseminated throughout and threadlike carbonate masses and carbonate masses lining pores; fragments; strong effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 40A41485
    2Ckb—152 to 178 centimeters (59.8 to 70.1 inches); pink (5YR 7/3), brown (7.5YR 5/4), moist; loamy fine sand; 84 percent sand; 6 percent silt; 10 percent clay; massive; slightly hard; very few (0.1) roots; 3 percent weakly coherent cemented light brown (7.5YR 6/4) carbonate nodules and carbonate, finely disseminated throughout; fragments; strong effervescence, by hcl, 1n. Lab sample # 40A41486