IDENTIFIERS

  • Current Taxon Name (Soil Name): Catto
  • OSD
  • Series Extent
  • User Site ID: S1990-TX043-007-copy
  • User Pedon ID: S1990-TX043-007-copy
  • Vegetation Plot ID: S1990-TX043-007-copy
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - TAMU
  • Lab Pedon # - S90TX043007
  • NCSS Pedon Lab Data NASIS Record ID - 45494
  • 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: 30.0390549
  • Std. Longitude: -103.2837753
  • Datum: WGS84
  • Location Description: Brewster County, Texas: From the junction of US Highways 90 and 385 just east of Marathon, 13.3 miles south on US Highway 385, then 100 feet west in range.
  • Map Unit: CAG—Catto-Buckear-Rock outcrop complex, 20 to 60 percent slopes
  • Country: US—United States
  • State: Texas
  • County: TX043—Brewster
  • MLRA: 42—Southern Desertic Basins, Plains, and Mountains
  • Non-MLRA Soil Survey Area: TX622—Brewster County, Texas (Main Part)
  • 7.5 Minute USGS Quad: 30103-A3—Simpson Springs Mountain, Texas

    • PEDON

  • Describers Name: Rex Cochran, Jerry Rives, Sharon Elias, and John Jacob
  • Current Taxonomic Class: Clayey-skeletal, mixed, active, thermic Lithic Ustic Haplargids
  • Current Taxon Kind: series
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Catto
  • PSC - 0 to 20 cm.
  • Classificaton Date - 12/16/2013
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - aridic (torric)
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Catto-Data
  • Classificaton Date - 3/8/1990
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: gravelly residuum weathered from chert
  • Geomorphic Component Mountains: mountainflank, center third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: high
  • Drainage Class: well
  • Bedrock: indurated chert at 20cm
  • Geology: Caballos Novaculite And Maravillas Chert formation.
  • Surface Fragments: 59.00 percent nonflat angular indurated 2- to 75-millimeter chert,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/8/1990 (actual site observation date)
  • Air Photo ID: 29
  • Surface Cover Properties:
  • 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

    ACGR

    ALGR2

    ARIST

    BOBA3

    BOCU

    BOER4

    DAFO

    TRMU

    TRMUE

    Acacia greggii

    Aloysia gratissima

    Aristida

    Bothriochloa barbinodis

    Bouteloua curtipendula

    Bouteloua eriopoda

    Dalea formosa

    Tridens muticus

    Tridens muticus var. elongatus

    catclaw acacia

    whitebrush

    threeawn

    cane bluestem

    sideoats grama

    black grama

    featherplume

    slim tridens

    slim tridens

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    indurated

    20 - 200

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

    ochric epipedon

    argillic horizon

    lithic contact

    0—10

    10—20

    20—20

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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

    25.9

    106

    60

    1156.3

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    355

    331

    602

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    17.8

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    PRISM

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    A—0 to 10 centimeters (0.0 to 3.9 inches); reddish brown (5YR 5/3), dark reddish brown (5YR 3/3), moist; very gravelly clay loam; weak fine granular structure; slightly hard, very friable; very high excavation difficulty; 3.0 very fine roots throughout; 40 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments; very cobbly clay loam of Field texture class; noneffervescent, by hcl, 1n; clear irregular boundary. Lab sample # TAMU4126; observed in pit, small
    Bt—10 to 20 centimeters (3.9 to 7.9 inches); reddish brown (5YR 5/3), dark reddish brown (5YR 3/3), moist; very cobbly clay; moderate fine granular structure; hard, friable; very high excavation difficulty; 3.0 very fine roots in cracks; 60 percent by volume nonflat angular indurated 75-?-250 millimeter chert fragments; very cobbly clay loam of Field texture class; noneffervescent, by hcl, 1n; clear irregular boundary. Lab sample # TAMU4127; observed in pit, small
    R—20 to 200 centimeters (7.9 to 78.7 inches); bedrock; indurated; extremely high excavation difficulty; fragments; noneffervescent, by hcl, 1n. Lab sample # TAMU4128; observed in pit, small