IDENTIFIERS

  • Current Taxon Name (Soil Name): Loyplace
  • OSD
  • Series Extent
  • User Site ID: S1995TX043024
  • User Pedon ID: S95-TX622-024
  • Vegetation Plot ID: S1995TX043024
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 98P0426
  • NCSS Pedon Lab Data NASIS Record ID - 10696
  • Print Date: 2/17/2025
  • 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: 29.7227783
  • Std. Longitude: -103.6466675
  • Datum: WGS84
  • Location Description: Brewster County, Texas; from the junction of US Highway 90 and Texas Highway 118 in Alpine, 45.7 miles south on Texas Highway 118, 2.7 miles west on ranch road to stock pens, 3.3 miles west and southwest on ranch road to fence, 1.1 mile west on ranch road, 50 feet northeast of road in range. Long Hills USGS 7.5 minute topographic quadrangle.
  • Map Unit: CHD—Cheosa and Loyplace soils, 1 to 8 percent slopes
  • Country: US—United States
  • State: Texas
  • County: TX043—Brewster
  • MLRA: 42—Southern Desertic Basins, Plains, and Mountains
  • Regional Office: 8—Phoenix, AZ
  • Non-MLRA Soil Survey Area: TX622—Brewster County, Texas (Main Part)
  • 7.5 Minute USGS Quad: 29103-F6—Long Hills, Texas
  • PEDON

  • Describers Name: Lynn E. Loomis, Jerry L. Rives, and Alan C. Terrell
  • Current Taxonomic Class: Loamy, carbonatic, hyperthermic, shallow Ustic Petrocalcids
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 24
  • Correlated Information:
  • Soil Name - Loyplace
  • PSC - 0 to 23 cm.
  • Classificaton Date - 11/2/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - aridic (torric)
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Loyplace-OSDduplicate
  • Classificaton Date - 1/1/1995
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/1/1995 (actual site observation date)
  • 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

    ADENO5

    ARIST

    ARIST

    BORA4

    FLCE

    MUMO

    PAIN2

    PROSO

    TIQUI

    Adenophyllum

    Aristida

    Aristida

    Bouteloua ramosa

    Flourensia cernua

    Muhlenbergia montana

    Parthenium incanum

    Prosopis

    Tiquilia

    dogweed

    threeawn

    threeawn

    Chino grama

    American tarwort

    mountain muhly

    mariola

    mesquite

    crinklemat

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

    petrocalcic

    bedrock, paralithic

    weakly coherent

    moderately coherent

    23 - 56

    99 - 203

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

    ochric epipedon

    petrocalcic horizon

    paralithic contact

    paralithic materials

    0—18

    23—56

    99—

    99—203

    —-

    —-

    —-

    —-

    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

    305

    A1—0 to 8 centimeters (0.0 to 3.1 inches); light yellowish brown (10YR 6/4), dark yellowish brown (10YR 4/4), moist; loam; weak fine and medium subangular blocky parts to weak fine and medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots; 10 percent by volume nonflat rounded indurated 2-?-75 millimeter limestone, unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 98P02464; observed in trench. 10 percent rounded limestone pebbles. The A horizon has hue of 7.5YR or 10YR, value of 6 or 7, and chroma of 2 to 4. Texture of the fine earth fraction is most commonly loam, but ranges to clay loam, with a silicate clay content of 18 to 30 percent. Rock fragments range from 5 to 15 percent. (3 to 10 inches)
    A2—8 to 18 centimeters (3.1 to 7.1 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; loam; weak fine and medium subangular blocky parts to weak fine and medium granular structure; hard, friable, slightly sticky, slightly plastic; 21.0 very fine and fine roots and 3.0 medium roots; 10 percent by volume nonflat rounded indurated 2-?-75 millimeter limestone, unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 98P02465; observed in trench. 10 percent rounded limestone pebbles. The A horizon has hue of 7.5YR or 10YR, value of 6 or 7, and chroma of 2 to 4. Texture of the fine earth fraction is most commonly loam, but ranges to clay loam, with a silicate clay content of 18 to 30 percent. Rock fragments range from 5 to 15 percent. (0 to 6 inches thick)
    Bk—18 to 23 centimeters (7.1 to 9.1 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; gravelly loam; weak fine and medium subangular blocky parts to weak fine and medium granular structure; hard, friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots; 10 percent by volume nonflat rounded indurated 2-?-75 millimeter limestone, unspecified fragments and 15 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter petrocalcic fragments fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; abrupt smooth boundary. Lab sample # 98P02466; observed in trench. 15 percent subangular calcareous conglomerate pebbles, and 10 percent rounded limestone pebbles; common prominent continuous white (10YR 8/1) calcium carbonate coatings on lower surfaces of rock fragments. The B k or Bw horizons, where present, have hue of 7.5YR or 10YR, value of 5 to 7, and chroma of 2 to 4. Texture of the fine earth fraction is loam or clay loam with a silicate clay content of 18 to 30 percent. Limestone rock fragments or detached petrocalcic fragments range from 5 to 25 percent. (0 to 5 inches thick)
    Bkkm—23 to 56 centimeters (9.1 to 22.0 inches); very pale brown (10YR 7/3), pale brown (10YR 6/3), moist; cemented material; massive; weakly coherent; 3.0 very fine and fine roots in cracks; 2 percent by volume rounded 75-?-250 millimeter limestone, unspecified fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 98P02467; observed in trench. Moderately cemented caliche in the upper 3 inches, weakly cemented below; vertical fractures are from 6 to 8 inches apart; 10 percent rounded limestone pebbles. The Bkm horizon has hue of 7.5YR or 10YR, value of 7 or 8, and chroma of 1 to 3. It is moderately cemented or strongly cemented in the upper part and weakly cemented below. (6 to 20 inches thick)
    BC—56 to 99 centimeters (22.0 to 39.0 inches); very pale brown (10YR 7/3), light yellowish brown (10YR 6/4), moist; clay loam; massive; hard, friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 98P02468; observed in trench. The C horizon has hue of 7.5YR or 10YR, value of 6 to 8, and chroma of 2 to 4. Texture of the fine earth fraction is loam or clay loam with a clay content of 20 to 35 percent. Gypsum and shale fragments that slake in water are present in some pedons. (0 to 20 inches thick)
    Cr2—99 to 117 centimeters (39.0 to 46.1 inches); very pale brown (10YR 8/3), pale brown (10YR 6/3), moist; bedrock; moderately coherent; 3.0 very fine and fine roots in cracks; fragments; violent effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 98P02469; observed in trench. weathered shale; common very fine and fine roots in cracks; strata of strongly cemented flaggy limestone 2.5 to 5.0 cm thick; vertical fractures are from 8 to 14 inches apart. The Cr horizon has hue of 7.5YR or 10YR, value of 7 or 8, and chroma of 2 to 4. It is moderately cemented shale with thin flaggy limestone interbedded. Gypsum is present in some pedons.
    Cr2—117 to 203 centimeters (46.1 to 79.9 inches); very pale brown (10YR 8/3), pale brown (10YR 6/3), moist; bedrock; moderately coherent; 3.0 very fine and fine roots in cracks; fragments; violent effervescence, by hcl, 1n. Lab sample # 98P02470; observed in trench. strata of strongly cemented flaggy limestone 2.5 to 5.0 cm thick; vertical fractures 8 to 16 inches apart; few fine and medium platelike gypsum crystals in cracks. The Cr horizon has hue of 7.5YR or 10YR, value of 7 or 8, and chroma of 2 to 4. It is moderately cemented shale with thin flaggy limestone interbedded. Gypsum is present in some pedons.