IDENTIFIERS

Current Taxon Name (Soil Name): Alet

OSD

Series Extent

User Site ID: S2002-TX131-001

User Pedon ID: 02TX131001

Vegetation Plot ID: S2002-TX131-001

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 03N0174

NCSS Pedon Lab Data NASIS Record ID - 15685

User Project ID: C2003USTX037

Project Name: Duval Starr and Zapata Co South Texas

Print Date: 11/12/2024

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: 27.7599659

Std. Longitude: -98.3683472

Datum: WGS84

Location Description: Duval County, Texas; from the intersection of TX Hwy 359 and TX Hwy 3196 in Benavides, north 15.5 miles on TX Hwy 3196, east 1.5 miles on TX Hwy 44, south and east 2.6 miles on private ranch road, southwest 0.3 mile on sendero; site is 300 feet southeast in rangeland.

State: Texas

County: TX131—Duval

MLRA: 83C—Central Rio Grande Plain

Non-MLRA Soil Survey Area: TX131—Duval County, Texas

PEDON

Describers Name: Paul Holland & Maurice Jurena

Current Taxonomic Class: Fine-loamy, mixed, superactive, hyperthermic Typic Argiustolls

Current Taxon Kind: series

Pedon Type: OSD pedon

Pedon Purpose: full pedon description

Pedon Record Orgin: NASIS

Pedon #: 1

Correlated Information:

Soil Name - Alet

PSC - 10 to 60 cm.

Classificaton Date - 4/1/2008

Soil Taxonomic Edition - second edition

Moisture Class - ustic

Moisture Subclass - ustic

Sampled As Information:

Soil Name - Alet

Classificaton Date - 11/21/2002

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landscape: upland

Landform: drainageway

Geomorphic Component Hills: base slope

Slope Position: lower third

Slope Complexity: simple

Slope Shape Across: linear

Slope Shape Down: concave

Runoff: very low

Drainage Class: well

Flooding: none flooding

Ponding: none ponding

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 11/21/2002 (actual site observation date)

Air Photo ID: 17C

Surface Water Kind: none observed

Surface Cover Properties:

Site Obs. Cover Kind 1 - shrub cover

Site Obs. Cover Kind 2 - rangeland, shrubby

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Current Weather - sunny

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
PRGLG	Prosopis glandulosa var. glandulosa	honey mesquite	—	—	—

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon argillic horizon secondary carbonates calcic horizon	0—29 10—83 10—232 29—232	18—30—48 61—91—142 112—152—192 76—165—173

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
1.5	—	—	119	—	270	610	—	270	22	—	—	23	—	—	—	—	TX0690	Benavides 2, TX0690	TAPS

A—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2) crushed, very dark brown (10YR 2/2) crushed, moist; sandy clay loam; weak medium subangular blocky structure; slightly hard, firm, moderately sticky, slightly plastic; moderate permeability; 3.0 very fine roots throughout and 2.0 medium roots throughout and 3.0 fine roots throughout and 1.0 coarse roots throughout; 1.0 very fine low-continuity vesicular pores; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # 03N00908; moderately dry when described; observed in pit, small

Bt—10 to 28 centimeters (3.9 to 11.0 inches); very dark grayish brown (10YR 3/2) interior, very dark brown (10YR 2/2) interior, moist; sandy clay loam; moderate medium subangular blocky structure; moderately hard, very firm, moderately sticky, moderately plastic; 3.0 very fine roots throughout and 2.0 medium roots throughout and 3.0 fine roots throughout and 1.0 coarse roots throughout; 1.0 very fine low-continuity vesicular pores; 5 percent distinct clay films on vertical faces of peds; 1 percent fine irregular carbonate masses with clear boundaries throughout; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # 03N00909; slightly dry when described; observed in pit, small. continuous - phpvsfiid 237414; continuous - phpvsfiid 237414

Btk1—28 to 43 centimeters (11.0 to 16.9 inches); grayish brown (10YR 5/2) interior, dark grayish brown (10YR 4/2) interior, moist; sandy clay loam; moderate medium subangular blocky structure; moderately hard, very firm, moderately sticky, moderately plastic; 3.0 very fine roots throughout and 2.0 medium roots throughout and 3.0 fine roots throughout; 3.0 very fine moderate-continuity vesicular pores; 4 percent distinct clay films on vertical faces of peds; 6 percent fine distinct irregular carbonate masses with clear boundaries throughout; fragments; slight effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 03N00910; slightly dry when described; observed in pit, small. continuous - phpvsfiid 237415; continuous - phpvsfiid 237415

Btk2—43 to 58 centimeters (16.9 to 22.8 inches); sandy clay loam; moderate medium subangular blocky structure; slightly hard, firm, slightly sticky, moderately plastic; 3.0 very fine roots throughout and 2.0 medium roots throughout and 3.0 fine roots throughout; 3.0 very fine moderate-continuity vesicular pores; 2 percent distinct clay films on vertical faces of peds; 3 percent fine spherical carbonate nodules with sharp boundaries throughout and 4 percent fine irregular carbonate masses with clear boundaries throughout; fragments; slight effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # 03N00911; slightly dry when described; observed in pit, small. discontinuous - phpvsfiid 237416; discontinuous - phpvsfiid 237416

Btk3—58 to 84 centimeters (22.8 to 33.1 inches); loam; moderate medium subangular blocky structure; slightly hard, firm, slightly sticky, moderately plastic; 3.0 very fine roots throughout and 3.0 fine roots throughout; 2.0 very fine moderate-continuity vesicular pores; 1 percent distinct dark grayish brown (10YR 4/2), dry, organic stains on vertical faces of peds and 1 percent faint clay films on vertical faces of peds; 2 percent fine spherical carbonate nodules with sharp boundaries throughout and 8 percent fine irregular carbonate masses with clear boundaries throughout; fragments; strong effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # 03N00912; slightly dry when described; observed in pit, small. discontinuous - phpvsfiid 237417; discontinuous - phpvsfiid 237418; discontinuous - phpvsfiid 237417; discontinuous - phpvsfiid 237418

Bk1—84 to 102 centimeters (33.1 to 40.2 inches); pale brown (10YR 6/3) interior, brown (10YR 5/3) interior, moist; loam; strong medium subangular blocky structure; slightly hard, firm, slightly sticky, slightly plastic; 3.0 very fine roots throughout and 2.0 fine roots throughout; 2.0 very fine moderate-continuity vesicular pores; 1 percent distinct dark grayish brown (10YR 4/2), dry, organic stains on vertical faces of peds; 8 percent fine irregular carbonate masses with clear boundaries throughout and 2 percent fine spherical carbonate nodules with sharp boundaries throughout and 2 percent medium irregular carbonate masses with clear boundaries throughout; fragments; strong effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # 03N00913; slightly dry when described; observed in pit, small. discontinuous - phpvsfiid 237419; discontinuous - phpvsfiid 237419

Bk2—102 to 119 centimeters (40.2 to 46.9 inches); very pale brown (10YR 7/4) interior, light yellowish brown (10YR 6/4) interior, moist; loam; moderate medium subangular blocky structure; moderately hard, firm, moderately sticky, slightly plastic; 2.0 very fine roots throughout; 3.0 very fine moderate-continuity vesicular pores; 1 percent distinct dark grayish brown (10YR 4/2), dry, organic stains on vertical faces of peds; 2 percent fine spherical carbonate nodules with sharp boundaries throughout and 8 percent fine irregular carbonate masses with clear boundaries throughout and 2 percent medium irregular carbonate masses with clear boundaries throughout; fragments; strong effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # 03N00914; slightly dry when described; observed in pit, small. discontinuous - phpvsfiid 237420; discontinuous - phpvsfiid 237420

Bk3—119 to 175 centimeters (46.9 to 68.9 inches); pale brown (10YR 6/3) interior, brown (10YR 5/3) interior, moist; sandy clay loam; weak coarse prismatic parts to moderate medium subangular blocky structure; moderately hard, firm, moderately sticky, slightly plastic; 1.0 medium roots and 1.0 fine roots throughout; 3.0 fine moderate-continuity vesicular pores; 2 percent fine spherical carbonate nodules with sharp boundaries throughout and 8 percent fine irregular carbonate masses with clear boundaries throughout and 3 percent medium irregular carbonate masses with clear boundaries throughout; fragments; strong effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 03N00915; slightly dry when described; observed in pit, small

BCk1—175 to 198 centimeters (68.9 to 78.0 inches); very pale brown (10YR 8/3) interior, very pale brown (10YR 7/3) interior, moist; sandy clay loam; weak coarse prismatic parts to weak medium angular blocky structure; slightly hard, firm, slightly sticky, slightly plastic; 1.0 fine roots throughout; 3.0 fine moderate-continuity vesicular pores; 3 percent fine spherical carbonate nodules with sharp boundaries throughout and 25 percent fine irregular carbonate masses with clear boundaries throughout and 5 percent medium irregular carbonate masses with clear boundaries throughout; fragments; strong effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # 03N00916; slightly dry when described; observed in pit, small

BCk2—198 to 231 centimeters (78.0 to 90.9 inches); very pale brown (10YR 7/3) interior, pale brown (10YR 6/3) interior, moist; sandy clay loam; weak coarse prismatic parts to weak medium subangular blocky structure; slightly hard, firm, slightly sticky, slightly plastic; 1.0 fine roots throughout; 3.0 fine moderate-continuity vesicular pores; 1 percent fine spherical carbonate nodules with sharp boundaries throughout and 35 percent fine irregular carbonate masses with clear boundaries throughout and 5 percent medium irregular carbonate masses with clear boundaries throughout; fragments; strong effervescence, by hcl, 1n. Lab sample # 03N00917; slightly dry when described; observed in pit, small