IDENTIFIERS

  • Current Taxon Name (Soil Name): Terrarossa
  • OSD
  • Series Extent
  • User Site ID: AZ675-Terrarossa-Bench755
  • User Pedon ID: S2005AZ009002
  • Vegetation Plot ID: AZ675-Terrarossa-Bench755
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 05N0551
  • NCSS Pedon Lab Data NASIS Record ID - 17869
  • 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: 33.2453346
  • Std. Longitude: -109.8582764
  • Datum: WGS84
  • Township: 2 S
  • Range: 24 E
  • Section: 23
  • PLSS Details: 1800 feet south and 2200 feet east of northwest corner
  • Map Unit: 26—Cloverdale-Terrarossa complex, 1 to 5 percent slopes
  • Country: US—United States
  • State: Arizona
  • County: AZ009—Graham
  • Non-MLRA Soil Survey Area: AZ675—San Carlos Indian Reservation, Arizona, Parts of Gila and Graham Counties

    • PEDON

  • Describers Name: Wood/Quesada
  • Current Taxonomic Class: Fine, mixed, superactive, thermic Aridic Paleustalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Terrarossa
  • Classificaton Date - 8/30/2005
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Terrarossa
  • Classificaton Date - 4/12/2005
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from volcanic and metamorphic rock
  • Slope Position: upper third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 20.00 percent nonflat 2- to 5-millimeter mixed, 5.00 percent nonflat 20- to 75-millimeter mixed, 15.00 percent nonflat 5- to 20-millimeter mixed,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/12/2005 (actual site observation date)
  • Air Photo ID: 105-156
  • 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

    BOGR2

    HOPU

    SPHAE

    VUOC

    YUCCA

    Bouteloua gracilis

    Hordeum pusillum

    Sphaeralcea

    Vulpia octoflora

    Yucca

    blue grama

    little barley

    globemallow

    sixweeks fescue

    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

    —

    —

    1528

    —

    45

    460

    —

    175

    16.1

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 1 centimeters (0.0 to 0.4 inches); light brown (7.5YR 6/3), brown (7.5YR 4/3), moist; loam; 15 percent clay; weak thick platy parts to weak thin platy, and weak very thick platy parts to weak medium platy structure; soft, very friable, slightly sticky, nonplastic; 15.0 very fine roots throughout and 0.1 medium roots throughout and 0.1 fine roots throughout; 5.0 very fine dendritic tubular and 20.0 very fine vesicular and 3.0 medium vesicular and 5.0 fine vesicular pores; 5 percent by volume nonflat subrounded indurated 2-40-75 millimeter igneous, unspecified fragments; noneffervescent; neutral, pH 7.2; abrupt smooth boundary. Lab sample # 05N03209; dry when described; observed in pit, small
    A2—1 to 18 centimeters (0.4 to 7.1 inches); light brown (7.5YR 6/3), brown (7.5YR 4/3), moist; loam; 17 percent clay; moderate very coarse subangular blocky parts to moderate medium subangular blocky, and moderate coarse subangular blocky parts to moderate fine subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 20.0 very fine roots throughout and 1.0 medium roots throughout and 2.0 fine roots throughout; 8.0 very fine dendritic tubular and 0.1 medium dendritic tubular and 1.0 fine dendritic tubular pores; 5 percent by volume nonflat subrounded indurated 2-40-75 millimeter igneous, unspecified fragments; noneffervescent; neutral, pH 7.2; clear wavy boundary. Lab sample # 05N03210; dry when described;
    Bt1—18 to 51 centimeters (7.1 to 20.1 inches); reddish brown (5YR 5/3), dark reddish brown (5YR 3/3), moist; clay; 55 percent clay; strong coarse prismatic parts to strong coarse subangular blocky, and strong medium prismatic parts to strong medium subangular blocky structure; very hard, friable, very sticky, very plastic; 5.0 very fine roots between peds and 0.1 medium roots throughout and 0.1 fine roots throughout; 2.0 very fine dendritic tubular and 0.1 fine dendritic tubular pores; 75 percent distinct clay films on rock fragments and 75 percent distinct clay films on all faces of peds; 5 percent by volume nonflat subrounded indurated 2-40-75 millimeter igneous, unspecified fragments; noneffervescent; slightly alkaline, pH 7.6; clear wavy boundary. Lab sample # 05N03211; slightly moist when described;
    Bt2—51 to 91 centimeters (20.1 to 35.8 inches); light reddish brown (5YR 6/4), reddish brown (5YR 4/4), moist; gravelly sandy clay; 45 percent clay; structureless massive; hard, very friable, very sticky, very plastic; 2.0 very fine roots throughout and 0.1 medium roots throughout and 0.1 fine roots throughout; 5.0 very fine interstitial and 3.0 very fine dendritic tubular pores; 50 percent distinct clay films on rock fragments and 70 percent distinct clay bridges between sand grains; 10 percent fine spherical iron-manganese nodules and 10 percent medium spherical iron-manganese nodules; 20 percent carbonate, finely disseminated throughout; 30 percent by volume nonflat subrounded indurated 2-40-75 millimeter igneous, unspecified fragments; slight effervescence; strongly alkaline, pH 8.6; abrupt wavy boundary. Lab sample # 05N03212; slightly moist when described;
    Bt3—91 to 152 centimeters (35.8 to 59.8 inches); light reddish brown (5YR 6/3), reddish brown (5YR 4/3), moist; very gravelly sandy clay; 35 percent clay; structureless massive; moderately hard, very friable, very sticky, very plastic; 1.0 very fine roots throughout and 0.1 fine roots throughout; 10.0 very fine interstitial pores; 40 percent distinct clay films on rock fragments and 70 percent distinct clay bridges between sand grains; 7 percent medium spherical iron-manganese nodules and 8 percent fine spherical iron-manganese nodules; 50 percent by volume nonflat subrounded indurated 2-40-75 millimeter igneous, unspecified fragments; noneffervescent; moderately alkaline, pH 8.2. Lab sample # 05N03213; slightly moist when described;