IDENTIFIERS

  • Current Taxon Name (Soil Name): Tubac
  • OSD
  • Series Extent
  • User Site ID: S1969AZ003013
  • User Pedon ID: S1969AZ003013
  • Vegetation Plot ID: S1969AZ003013
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 69C0159
  • NCSS Pedon Lab Data NASIS Record ID - 43732
  • 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: 31.9391670
  • Std. Longitude: -109.8688889
  • Datum: WGS84
  • Township: 17S
  • Range: 24E
  • Section: 23
  • PLSS Details: 1850 feet north and 1650 feet west of the SE corner
  • State: Arizona
  • County: AZ003—Cochise

    • PEDON

  • Describers Name: D. Richmond, H. Havens, K. Dunstan
  • Current Taxonomic Class: Fine-loamy, mixed, active, thermic Ustic Calciargids
  • Current Taxon Kind: series
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 13
  • Correlated Information:
  • Soil Name - Tubac
  • PSC - 41 to 91 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - ustic
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Tubac
  • Classificaton Date - 10/16/1969
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: fan
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/16/1969 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • 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

    ARIST

    ARIST

    BOGR2

    BOGR2

    SPCO4

    SPCO4

    YUCCA

    Aristida

    Aristida

    Bouteloua gracilis

    Bouteloua gracilis

    Sporobolus contractus

    Sporobolus contractus

    Yucca

    threeawn

    threeawn

    blue grama

    blue grama

    spike dropseed

    spike dropseed

    yucca

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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

    1

    —

    —

    1335

    —

    45

    305

    —

    —

    15.6

    25.6

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    A11—0 to 5 centimeters (0.0 to 2.0 inches); yellowish red (5YR 5/6), reddish brown (5YR 4/4), moist; sandy loam; weak thin platy, and weak fine granular structure; slightly hard, very friable, nonsticky, nonplastic; 21.0 fine and medium roots; 3.0 fine vesicular and tubular pores; fragments; 6 Bromthymol blue; noneffervescent; moderately acid, pH 6.0, hellige-truog; abrupt smooth boundary. Lab sample # 69C00831; dry when described;
    A12—5 to 31 centimeters (2.0 to 12.2 inches); yellowish red (5YR 5/6), reddish brown (5YR 4/4), moist; sandy loam; massive; slightly hard, very friable, nonsticky, nonplastic; 3.0 fine and medium roots; 21.0 very fine and fine and 0.5 coarse tubular pores; fragments; 6.5 Bromthymol blue; noneffervescent; slightly acid, pH 6.5, hellige-truog; clear wavy boundary. Lab sample # 69C00832; dry when described;
    A2—31 to 41 centimeters (12.2 to 16.1 inches); light brown (7.5YR 6/4), brown (7.5YR 4/4), moist; gravelly sandy loam; massive; hard when dry, very friable, nonsticky, nonplastic; 0.5 very fine and fine roots; 0.5 fine tubular and 21.0 fine vesicular pores; fragments; 7 Bromthymol blue; noneffervescent; neutral, pH 7.0, hellige-truog; abrupt wavy boundary. Lab sample # 69C00833; dry when described;. 15 to 20 percent by volume of 2 to 5 mm angular granitic gravel
    B21T—41 to 61 centimeters (16.1 to 24.0 inches); red (2.5YR 4/6), dark red (2.5YR 3/6), moist; clay; strong medium prismatic structure; very hard, friable, moderately sticky, very plastic; 3.0 very fine and fine roots; 10 percent clay films on faces of peds and 30 percent pressure faces and 30 percent black (10YR 2/1) on faces of peds; fragments; 8 Thymol-blue; noneffervescent; moderately alkaline, pH 8.0, hellige-truog; gradual wavy boundary. Lab sample # 69C00834; dry when described;
    B22T—61 to 74 centimeters (24.0 to 29.1 inches); red (2.5YR 4/6), dark red (2.5YR 3/6), moist; clay; strong medium prismatic structure; very hard, friable, moderately sticky, very plastic; 3.0 very fine and fine roots; 10 percent clay films on faces of peds and 30 percent pressure faces and 30 percent black (10YR 2/1) on faces of peds; 15 percent by volume angular 2-39-75 millimeter quartzite fragments; 8 Thymol-blue; slight effervescence; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary. Lab sample # 69C00835; dry when described;. 12 to 15 percent by volume of 2 to 5 mm angular granitic and quartzite gravel
    B23T—74 to 100 centimeters (29.1 to 39.4 inches); red (2.5YR 4/6), dark red (2.5YR 3/6), moist; clay loam; weak coarse prismatic structure; very hard, friable, moderately sticky, moderately plastic; 3.0 very fine and fine roots; 0.5 fine tubular pores; 30 percent pressure faces and 30 percent black (10YR 2/1) on faces of peds; 3 percent by volume angular 2-39-75 millimeter quartzite fragments; 8 Thymol-blue; slight effervescence; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary. Lab sample # 69C00836; dry when described;. 2 to 3 percent by volume of 2 to 5 mm angular granitic and quartzite gravel
    B3—100 to 120 centimeters (39.4 to 47.2 inches); yellowish red (5YR 5/6), yellowish red (5YR 4/6), moist; sandy loam; massive; very hard, friable, nonsticky, slightly plastic; 0.5 fine roots; 0.5 fine tubular pores; carbonate coats between sand grains and 75 percent clay bridges; 10 percent by volume angular 2-39-75 millimeter quartzite fragments; 8 Thymol-blue; slight effervescence; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary. Lab sample # 69C00837; dry when described;. contains about 10 percent by volume of 2 to 5 mm angular granitic and quartzite gravel
    C—120 to 150 centimeters (47.2 to 59.1 inches); reddish yellow (5YR 6/6), yellowish red (5YR 5/6), moist; gravelly sandy loam; massive; slightly hard, very friable, nonsticky, nonplastic; carbonate coats between sand grains and 30 percent clay bridges; fragments; 8 Thymol-blue; slight effervescence; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 69C00838; dry when described;