IDENTIFIERS

  • Current Taxon Name (Soil Name): Calavaras
  • OSD
  • Series Extent
  • User Site ID: 04NM043002
  • User Pedon ID: 04NM043002
  • User Site Association ID: NM191Valles Caldera Pedons
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 04N1142
  • NCSS Pedon Lab Data NASIS Record ID - 17821
  • Print Date: 9/24/2024

    • 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: 35.9669151
  • Std. Longitude: -106.4591370
  • Datum: WGS84
  • Country: US—United States
  • State: New Mexico
  • County: NM043—Sandoval
  • MLRA: 48A—Southern Rocky Mountains
  • Regional Office: 6obsolete—Lakewood, CO
  • Non-MLRA Soil Survey Area: NM656—Sandoval County Area, New Mexico, Parts of Los Alamos, Sandoval, and Rio Arriba Counties
  • 7.5 Minute USGS Quad: 35106-H4—Valle Toledo, New Mexico

    • PEDON

  • Describers Name: Aaron Miller
  • Current Taxonomic Class: Loamy-skeletal, mixed, superactive, frigid Vitrandic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Calavaras
  • PSC - 31 to 81 cm.
  • Classificaton Date - 7/20/2010
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - ustic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Calaveras
  • Classificaton Date - 2/1/2006
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from rhyolite
  • Landform: alluvial fan on caldera
  • Hill Slope Profile: footslope
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Piedmont Alluvial Deposits formation.
  • Surface Fragments: 5.00 percent nonflat subrounded strongly coherent cemented 2- to 75-millimeter mixed,
  • Benchmark Soil?: no

    • VEGETATION

  • Other Vegetative Class: LSC6-3 - Douglas fir-ponderosa pine/Parry's oatgrass/Arizona fescue (PSMEG,PIPO/DAPA2,FEAR—SSR4: (OBSOLETE) SW Region 3, USFS, PNV Valles Caldera

    • SITE OBSERVATION

  • Observation Date: 2/1/2006 (entry creation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, savanna
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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 % % % % % % % % % % % % %

    Oe

    Oe

    Oe

    A1

    A1

    A1

    A2

    A2

    A2

    Bt1

    Bt1

    Bt1

    Bt2

    Bt2

    Bt2

    CB

    CB

    CB

    0

    0

    0

    5

    5

    5

    13

    13

    13

    31

    31

    31

    56

    56

    56

    112

    112

    112

    5

    5

    5

    13

    13

    13

    31

    31

    31

    56

    56

    56

    112

    112

    112

    153

    153

    153

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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

    Oe

    Oe

    Oe

    A1

    A1

    A1

    A2

    A2

    A2

    Bt1

    Bt1

    Bt1

    Bt2

    Bt2

    Bt2

    CB

    CB

    CB

    0

    0

    0

    5

    5

    5

    13

    13

    13

    31

    31

    31

    56

    56

    56

    112

    112

    112

    5

    5

    5

    13

    13

    13

    31

    31

    31

    56

    56

    56

    112

    112

    112

    153

    153

    153

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    8.1

    8.1

    8.1

    8.3

    8.3

    8.3

    8.4

    8.4

    8.4

    8.4

    8.4

    8.4

    8.5

    8.5

    8.5

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    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 %

    Oe

    Oe

    Oe

    A1

    A1

    A1

    A2

    A2

    A2

    Bt1

    Bt1

    Bt1

    Bt2

    Bt2

    Bt2

    CB

    CB

    CB

    0

    0

    0

    5

    5

    5

    13

    13

    13

    31

    31

    31

    56

    56

    56

    112

    112

    112

    5

    5

    5

    13

    13

    13

    31

    31

    31

    56

    56

    56

    112

    112

    112

    153

    153

    153

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    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

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

    mollic epipedon

    argillic horizon

    5—31

    31—112

    —26—

    —81—
    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

    10

    —

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    2730

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    270

    686

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    100

    6.1

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    Oe—0 to 5 centimeters (0.0 to 2.0 inches); moderately decomposed plant material; Ksat of 282 um/s with a std deviaton of 100; fragments.; observed in pit, small
    A1—5 to 13 centimeters (2.0 to 5.1 inches); very dark brown (10YR 2/2), very dark brown (10YR 2/2), moist; loam; 42 percent sand; 42 percent silt; 16 percent clay; moderate fine subangular blocky parts to granular structure; soft, very friable, nonsticky, slightly plastic; Ksat of 9 um/s with a std deviaton of 5; moderate permeability; low excavation difficulty; 6.0 very fine roots throughout and 6.0 medium roots throughout and 6.0 fine roots throughout; 4.0 very fine moderate-continuity tubular pores; 3 percent by volume nonflat subrounded very strongly coherent cemented 2-39-75 millimeter mixed fragments; 1 to 5 percent argillic tongues (volume percent); 5 to 15 percent argillic tongues (lateral area percent); noneffervescent, by hcl, 3n; strongly acid, pH 5.5, pH meter; clear smooth boundary. Lab sample # 04N06614; observed in pit, small
    A2—13 to 31 centimeters (5.1 to 12.2 inches); dark brown (10YR 3/3), very dark grayish brown (10YR 3/2), moist; loam; 42 percent sand; 41 percent silt; 17 percent clay; moderate medium subangular blocky parts to moderate fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; Ksat of 9 um/s with a std deviaton of 5; moderate permeability; moderate excavation difficulty; 4.0 very fine roots throughout and 4.0 medium roots throughout and 4.0 fine roots throughout; 4.0 very fine moderate-continuity tubular and 0.5 fine moderate-continuity tubular pores; 5 percent by volume nonflat subrounded very strongly coherent cemented 2-39-75 millimeter mixed fragments; 1 to 5 percent argillic tongues (volume percent); 5 to 15 percent argillic tongues (lateral area percent); noneffervescent, by hcl, 3n; slightly acid, pH 6.1, pH meter; clear irregular boundary. Lab sample # 04N06615; observed in pit, small
    Bt1—31 to 56 centimeters (12.2 to 22.0 inches); yellowish brown (10YR 5/4), dark brown (10YR 3/3), moist; gravelly loam; 40 percent sand; 39 percent silt; 21 percent clay; moderate fine subangular blocky parts to single grain; slightly hard, friable, nonsticky, nonplastic; Ksat of 9 um/s with a std deviaton of 5; moderate permeability; high excavation difficulty; 0.6 medium roots throughout and 0.6 fine roots throughout; 0.6 medium moderate-continuity tubular and 0.8 coarse moderate-continuity tubular pores; 20 percent distinct clay films on rock fragments; 2 percent by volume nonflat subrounded very strongly coherent cemented 250-425-600 millimeter mixed fragments and 5 percent by volume nonflat subrounded very strongly coherent cemented 75-163-250 millimeter mixed fragments and 20 percent by volume nonflat subrounded very strongly coherent cemented 2-39-75 millimeter mixed fragments; 1 to 5 percent argillic tongues (volume percent); 5 to 15 percent argillic tongues (lateral area percent); noneffervescent, by hcl, 3n; slightly acid, pH 6.5, pH meter; gradual wavy boundary. Lab sample # 04N06616; observed in pit, small. continuous - phpvsfiid 314238; continuous - phpvsfiid 314238
    Bt2—56 to 112 centimeters (22.0 to 44.1 inches); light yellowish brown (10YR 6/4), brown (10YR 4/3), moist; extremely cobbly sandy loam; 67 percent sand; 21 percent silt; 12 percent clay; moderate medium subangular blocky parts to single grain; slightly hard, very friable, slightly sticky, nonplastic; Ksat of 28 um/s with a std deviaton of 25; moderately rapid permeability; high excavation difficulty; 4.0 fine roots throughout; 4.0 very fine low-continuity tubular pores; 20 percent distinct clay bridges between sand grains; 15 percent by volume nonflat subrounded very strongly coherent cemented 250-425-600 millimeter mixed fragments and 30 percent by volume nonflat subrounded very strongly coherent cemented 2-39-75 millimeter mixed fragments and 30 percent by volume nonflat subrounded very strongly coherent cemented 75-163-250 millimeter mixed fragments; noneffervescent, by hcl, 3n; neutral, pH 6.7, pH meter; gradual wavy boundary. Lab sample # 04N06617; observed in pit, small. continuous - phpvsfiid 314237; continuous - phpvsfiid 314237
    CB—112 to 153 centimeters (44.1 to 60.2 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; extremely cobbly loamy coarse sand; 82 percent sand; 13 percent silt; 5 percent clay; moderate medium subangular blocky parts to single grain; slightly hard, very friable, nonsticky, nonplastic; Ksat of 91.5 um/s with a std deviaton of 49; rapid permeability; high excavation difficulty; 0.5 very fine roots throughout and 4.0 fine roots throughout; 3.0 very fine low-continuity tubular and 0.8 fine moderate-continuity dendritic tubular pores; 10 percent by volume nonflat subrounded very strongly coherent cemented 250-425-600 millimeter mixed fragments and 30 percent by volume nonflat subrounded very strongly coherent cemented 75-163-250 millimeter mixed fragments and 45 percent by volume nonflat subrounded very strongly coherent cemented 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, 3n; neutral, pH 6.6, pH meter. Lab sample # 04N06618; observed in pit, small