IDENTIFIERS

Current Taxon Name (Soil Name): Catarina

OSD

Series Extent

User Site ID: S1982TX479002

User Pedon ID: S82TX479002

Vegetation Plot ID: P1982TX479005

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - TAMU

Lab Pedon # - S82TX479002

NCSS Pedon Lab Data NASIS Record ID - 45701

Print Date: 6/1/2024

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: 27.6750000

Std. Longitude: -99.4072222

Datum: WGS84

Location Description: Webb County, Texas; Typical pedon of Catarina; from the intersection of Interstate 35 and U.S. Highway 59 in Laredo; about 12 miles north on Interstate 35 to main entrance of Uniroyal Tire Testing facility; 4.35 miles southeast to plant materials test plot; 100 feet east of plot in rangeland. USGS topographic quadrangle: Orvil, Texas.

State: Texas

County: TX479—Webb

MLRA: 83B—Western Rio Grande Plain

Non-MLRA Soil Survey Area: TX479—Webb County, Texas

7.5 Minute USGS Quad: 27099-F4—Orvil, Texas

PEDON

Describers Name: Girdner,Gabriel,Wildiing,West,Drees, Abbott

Current Taxonomic Class: Fine, smectitic, hyperthermic Sodic Haplusterts

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: PedonPC

Correlated Information:

Soil Name - Catarina

PSC - 25 to 100 cm.

Classificaton Date - 1/8/2015

Classifier - Gary Harris

Soil Taxonomic Edition - twelfth edition

Moisture Class - ustic

Moisture Subclass - aridic (torric)

Sampled As Information:

Soil Name - Catarina

Taxonomic Class - Fine, montmorillonitic, hyperthermic Typic Torrerts

Taxon Kind - series

PSC - 25 to 100 cm.

Classificaton Date - 3/3/1982

Moisture Class - aridic (torric)

Moisture SUBClass - ustic

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

Certification Status: certified

QC Status: level 1

QA Status: level 1

SITE

Parent Material: calcareous, saline clayey alluvium

Landscape: inland, dissected coastal plain

Landform: low ridge

Hill Slope Profile: toeslope

Runoff: very high

Drainage Class: moderately well

Geology: Local Outwash From Yegua Formation formation.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 1/29/1982 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - rangeland, shrubby

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
CONDA DESMA HIBE OPUNT PAPPO PRPU SPPY2	Condalia Desmanthus Hilaria belangeri Opuntia Pappophorum Prosopis pubescens Sporobolus pyramidatus	snakewood bundleflower curly-mesquite pricklypear pappusgrass screwbean mesquite Madagascar dropseed	— — — — — — —	— — — — — — —	— — — — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon gypsum accumulations slickensides secondary carbonates salt accumulations	0—8 0—343 8—185 36—343 36—343	—- —- —- —- —-

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
0.5	—	—	180	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

A—0 to 8 centimeters (0.0 to 3.1 inches); light brownish gray (2.5Y 6/2), grayish brown (2.5Y 5/2), moist; silty clay; moderate very fine and fine granular, and moderate very fine angular blocky structure; hard, friable, moderately sticky, moderately plastic; common (3.0) fine roots; few (0.8) fine pores; 3 percent gypsum coats; 2 percent threadlike gypsum masses in cracks; 1 percent by volume 2-?-20 millimeter quartz fragments; strong effervescence; slightly alkaline, pH 7.4; clear smooth boundary. Lab sample # TAMU1291

Bnssy—8 to 36 centimeters (3.1 to 14.2 inches); light brownish gray (2.5Y 6/2), grayish brown (2.5Y 5/2), moist; clay; weak coarse subangular blocky parts to moderate medium angular blocky structure; extremely hard, friable, moderately sticky, moderately plastic; common (2.0) fine and medium roots; common (2.0) very fine and fine pores; 10 percent distinct slickensides (pedogenic) and 10 percent gypsum coats on vertical faces of peds; 1 percent threadlike gypsum masses in cracks and 1 percent worm casts; 1 percent by volume 2-?-20 millimeter quartz fragments; strong effervescence; slightly alkaline, pH 7.8; gradual wavy boundary. Lab sample # TAMU1292

Bknssyz1—36 to 64 centimeters (14.2 to 25.2 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; clay; weak coarse subangular blocky parts to moderate fine and medium angular blocky structure; extremely hard, friable, moderately sticky, moderately plastic; common (2.0) very fine and fine roots; common (2.0) very fine and fine pores; gypsum coats and 3 percent carbonate coats and 20 percent slickensides (pedogenic); 1 percent threadlike carbonate masses and 1 percent threadlike salt masses and 1 percent threadlike gypsum masses and 1 percent irregular carbonate masses; 1 percent by volume 2-?-20 millimeter quartz fragments; strong effervescence; slightly alkaline, pH 7.6; diffuse wavy boundary. Lab sample # TAMU1293

Bknssyz2—64 to 90 centimeters (25.2 to 35.4 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; clay; weak coarse subangular blocky parts to moderate fine and medium angular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; common (1.0) very fine and fine roots; common (2.0) very fine and fine pores; gypsum coats and 5 percent carbonate coats and 10 percent slickensides (pedogenic); 3 percent threadlike carbonate masses and 3 percent threadlike gypsum masses and 3 percent threadlike salt masses and 3 percent irregular carbonate masses; 1 percent by volume 2-?-20 millimeter quartz fragments; strong effervescence; slightly alkaline, pH 7.6; diffuse wavy boundary. Lab sample # TAMU1294

Bknssyz3—90 to 127 centimeters (35.4 to 50.0 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; clay; 3 percent yellowish brown (10YR 5/6) faint mottles; weak coarse subangular blocky parts to moderate fine and medium angular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; common (1.0) very fine and fine roots; few (0.5) very fine and fine pores; gypsum coats and 10 percent carbonate coats and 20 percent slickensides (pedogenic); 3 percent threadlike carbonate masses and 3 percent threadlike salt masses and 3 percent threadlike gypsum masses and 3 percent irregular carbonate masses; fragments; strong effervescence; neutral, pH 7.2; gradual wavy boundary. Lab sample # TAMU1295

Bknssyz4—127 to 185 centimeters (50.0 to 72.8 inches); very pale brown (10YR 7/3), pale brown (10YR 6/3), moist; silty clay; moderate fine and medium angular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; common (1.0) very fine and fine roots; few (0.5) very fine pores; gypsum coats and 5 percent carbonate coats and 20 percent slickensides (pedogenic); 1 percent threadlike carbonate masses and 1 percent threadlike gypsum masses and 1 percent threadlike salt masses and 1 percent irregular carbonate masses; fragments; strong effervescence; neutral, pH 7.3; gradual wavy boundary. Lab sample # TAMU1296

Bknyz5—185 to 243 centimeters (72.8 to 95.7 inches); very pale brown (10YR 7/4), light yellowish brown (10YR 6/4), moist; clay; weak angular blocky structure; extremely hard, very firm, moderately sticky, moderately plastic; gypsum coats and 5 percent carbonate coats; 1 percent threadlike carbonate masses and 1 percent threadlike gypsum masses and 1 percent threadlike salt masses and 1 percent irregular carbonate masses; fragments; strong effervescence; slightly alkaline, pH 7.6; gradual boundary. Lab sample # TAMU1297

2Bknyz1—243 to 330 centimeters (95.7 to 129.9 inches); clay; moderate medium angular blocky structure; extremely hard, firm; gypsum coats and 5 percent carbonate coats; 1 percent fine and medium threadlike carbonate masses and 1 percent fine and medium threadlike gypsum masses and 1 percent fine and medium threadlike salt masses and 1 percent fine and medium irregular carbonate masses; fragments; slightly alkaline, pH 7.6; gradual boundary. Lab sample # TAMU1298

2Bknyz2—330 to 343 centimeters (129.9 to 135.0 inches); silty clay loam; moderate medium angular blocky structure; extremely hard, firm; gypsum coats and 5 percent carbonate coats; 1 percent fine and medium threadlike carbonate masses and 1 percent fine and medium threadlike gypsum masses and 1 percent fine and medium threadlike salt masses and 1 percent fine and medium irregular carbonate masses; fragments; slightly alkaline, pH 7.6; clear boundary. Lab sample # TAMU1299

2Crnyz1—343 to 405 centimeters (135.0 to 159.4 inches); 50 percent dark grayish brown (2.5Y 4/2) and 50 percent weak red (10R 4/3) silty clay loam; gypsum coats; 1 percent gypsum crystals, unspecified; fragments; slightly alkaline, pH 7.7; diffuse boundary. Lab sample # TAMU1300

2Crnyz2—405 to 545 centimeters (159.4 to 214.6 inches); pale olive (5Y 6/3) silty clay; 1 percent salt crystals; fragments; slightly alkaline, pH 7.8; diffuse boundary. Lab sample # TAMU1301

2Crnyz3—545 to 675 centimeters (214.6 to 265.7 inches); pale olive (5Y 6/3) clay; 1 percent salt crystals; fragments; slightly alkaline, pH 7.7. Lab sample # TAMU1302. CLAYEY SHALE WITH FEW REDDISH ANO YELLOWISH STRATA; FEW BLACK STAINS ALONG HORIZONTAL FRACTURE PLANES; SLIGHTLY LESS CRYSTALLINE SALT THAN HORIZON ABOVE.