IDENTIFIERS

  • Current Taxon Name (Soil Name): Chiricahua
  • OSD
  • Series Extent
  • User Site ID: S1969AZ003021
  • User Pedon ID: S1969AZ003021
  • Vegetation Plot ID: S1969AZ003021
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 69C0167
  • NCSS Pedon Lab Data NASIS Record ID - 43740
  • Print Date: 11/21/2024
  • 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: 31.9922218
  • Std. Longitude: -109.7933350
  • Datum: WGS84
  • Township: 17S
  • Range: 25E
  • Section: 3
  • PLSS Details: 100 feet south and 750 feet east of the northwest corner
  • Location Description: North of US Highway 666 about 1-1/2 miles east of Pearce.
  • State: Arizona
  • County: AZ003—Cochise
  • PEDON

  • Describers Name: D. Richmond, H. Havens, K. Dunstan
  • Current Taxonomic Class: Clayey-skeletal, illitic, thermic Lithic Ustic Haplargids
  • Current Taxon Kind: series
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 21
  • Correlated Information:
  • Soil Name - Chiricahua
  • PSC - 10 to 46 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - Chiricahua
  • Classificaton Date - 10/20/1969
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landform: hill
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Bedrock: dacite at 46cm
  • Surface Fragments: 50.00 percent 100- to 200-millimeter 10.00 percent 300- to 350-millimeter 20.00 percent 5- to 75-millimeter
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/20/1969 (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

    PLMU3

    PLMU3

    Pleuraphis mutica

    Pleuraphis mutica

    tobosagrass

    tobosagrass

    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

    30

    1341

    180

    330

    15.6

    25.6

    A1—0 to 10 centimeters (0.0 to 3.9 inches); brown (7.5YR 5/4), dark reddish brown (5YR 3/4), moist; very cobbly clay loam; weak fine granular structure; slightly hard, friable, moderately sticky, moderately plastic; 21.0 fine and medium roots; 0.5 very fine tubular pores; 20 percent by volume subangular 5-?-75 millimeter unspecified fragments and 30 percent by volume subangular 100-?-150 millimeter unspecified fragments; 7.5 Bromthymol blue; noneffervescent; slightly alkaline, pH 7.5, hellige-truog; clear wavy boundary. Lab sample # 69C00861; dry when described;. 80 percent of the surface has cover of subangular dacite, rhyolite and andesite gravel, cobbles, and stones. The cover is comprised of 20 percent of 1/4 to 3 inch gravel, 50 percent of 4 to 8 inch cobbles, and 10 percent of 12 to 14 inch stones; in the horizon are 30 percent by volume of 1/4 to 3 inch subangular gravel
    B21T—10 to 28 centimeters (3.9 to 11.0 inches); reddish brown (5YR 4/3), dark reddish brown (5YR 3/3), moist; cobbly clay; moderate medium angular blocky, and subangular blocky structure; very hard, friable, moderately sticky, moderately plastic; 3.0 fine and medium roots and 0.5 coarse roots; 0.5 very fine tubular pores; 30 percent clay films on faces of peds; 20 percent by volume subangular 5-?-75 millimeter unspecified fragments and 30 percent by volume subangular 100-?-150 millimeter unspecified fragments; 6 Bromthymol blue; noneffervescent; moderately acid, pH 6.0, hellige-truog; clear wavy boundary. Lab sample # 69C00862; dry when described;. about 30 percent by volume of 4 to 6 inch subangular dacite, rhyolite and andesite cobbles and 20 percent of 1/4 to 3 inch gravel
    B22T—28 to 38 centimeters (11.0 to 15.0 inches); dark reddish brown (2.5YR 3/4), dark reddish brown (2.5YR 3/4), moist; cobbly clay; moderate fine and medium subangular blocky structure; hard when dry, friable, moderately sticky, very plastic; 0.5 fine and medium roots; 0.5 very fine tubular pores; 30 percent clay films on faces of peds; 20 percent by volume 5-?-75 millimeter unspecified fragments and 30 percent by volume subangular 100-?-150 millimeter unspecified fragments; noneffervescent; slightly alkaline, pH 7.7, hellige-truog; clear wavy boundary. Lab sample # 69C00863; dry when described;. about 30 percent by volume of 4 to 6 inch subangular dacite, rhyolite and andesite cobbles and 20 percent of 1/4 to 3 inch gravel
    B23TCA—38 to 46 centimeters (15.0 to 18.1 inches); dark reddish brown (2.5YR 3/4), dark red (2.5YR 3/6), moist; gravelly clay; moderate fine angular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 0.5 fine and medium roots; 0.5 very fine tubular pores; 30 percent clay films on faces of peds; 10 percent by volume 100-?-150 millimeter unspecified fragments and 30 percent by volume subangular 5-?-50 millimeter unspecified fragments; 8 Thymol-blue; strong effervescence; moderately alkaline, pH 8.0, hellige-truog; abrupt wavy boundary. Lab sample # 69C00864; dry when described;. about 30 percent by volume of 1/4 to 1-1/2 inch subangular dacite, rhyolite and andesite gravel and 10 percent of 4 to 6 inch cobbles; thin white lime coatings on gravel
    R—46 to 53 centimeters (18.1 to 20.9 inches); light gray (10YR 7/1), yellowish brown (10YR 5/4), moist; bedrock; extremely hard; 0.5 fine roots; white (10YR 8/1) carbonate coats on rock fragments; fragments.; dry when described;. extremely hard fractured dacite bedrock with discontinuous thin white lime coatings in the fractures and rock surfaces, and a thin discontinuous grayish brown and weak red on bedrock surfaces