IDENTIFIERS

Current Taxon Name (Soil Name): Reyab

OSD

Series Extent

User Site ID: S2008-TX109-025

User Pedon ID: S2008-TX109-025

Vegetation Plot ID: S08-TX109-025

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - TAMU

Lab Pedon # - S08TX109025

NCSS Pedon Lab Data NASIS Record ID - 45591

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: 31.2715473

Std. Longitude: -104.5500107

Datum: WGS84

Country: US—United States

State: Texas

County: TX109—Culberson

MLRA: 42—Southern Desertic Basins, Plains, and Mountains

MLRA Soil Survey Area: SW-MAF—Marfa, Texas

Non-MLRA Soil Survey Area: TX626—Culberson County, Main Part, Texas

7.5 Minute USGS Quad: 31104-C5—Seven Heart Gap, Texas

PEDON

Describers Name: Tom Hallmark, Jim Clausen, James Gordon, Tyson Morley, Deanna Faubion, and Riley Dayberry

Current Taxonomic Class: Fine-silty, mixed, superactive, thermic Ustic Haplocambids

Current Taxon Kind: series

Pedon Type: TUD pedon

Pedon Purpose: full pedon description

Pedon Record Orgin: PedonPC

Correlated Information:

Soil Name - Reyab

PSC - 25 to 100 cm.

Classificaton Date - 6/24/2015

Classifier - Lynn Loomis

Soil Taxonomic Edition - twelfth edition

Moisture Class - aridic (torric)

Moisture Subclass - ustic

Sampled As Information:

Soil Name - Reyab

Classificaton Date - 1/9/2008

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

Certification Status: certified

QC Status: level 1

SITE

Parent Material: alluvium derived from limestone, unspecified

Landscape: alluvial plain

Geomorphic Component Terraces: tread

Hill Slope Profile: toeslope

Slope Shape Across: linear

Slope Shape Down: linear

Surface Fragments: 1.00 percent nonflat subrounded indurated 2- to 75-millimeter limestone, unspecified,

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 1/9/2008 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - shrub cover

Site Obs. Cover Kind 2 - native shrubs

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			%	%	%	%	%	%		%	%	%	%	%			%	%
A A A Bw1 Bw1 Bw1 Bw2 Bw2 Bw2 Bw3 Bw3 Bw3 Bk1 Bk1 Bk1 Bk2 Bk2 Bk2 Bk3 Bk3 Bk3 Bk4 Bk4 Bk4	0 0 0 8 8 8 34 34 34 61 61 61 79 79 79 106 106 106 134 134 134 184 184 184	8 8 8 34 34 34 61 61 61 79 79 79 106 106 106 134 134 134 184 184 184 203 203 203	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —

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
A A A Bw1 Bw1 Bw1 Bw2 Bw2 Bw2 Bw3 Bw3 Bw3 Bk1 Bk1 Bk1 Bk2 Bk2 Bk2 Bk3 Bk3 Bk3 Bk4 Bk4 Bk4	0 0 0 8 8 8 34 34 34 61 61 61 79 79 79 106 106 106 134 134 134 184 184 184	8 8 8 34 34 34 61 61 61 79 79 79 106 106 106 134 134 134 184 184 184 203 203 203	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —		— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —

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	%
A A A Bw1 Bw1 Bw1 Bw2 Bw2 Bw2 Bw3 Bw3 Bw3 Bk1 Bk1 Bk1 Bk2 Bk2 Bk2 Bk3 Bk3 Bk3 Bk4 Bk4 Bk4	0 0 0 8 8 8 34 34 34 61 61 61 79 79 79 106 106 106 134 134 134 184 184 184	8 8 8 34 34 34 61 61 61 79 79 79 106 106 106 134 134 134 184 184 184 203 203 203	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	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 ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste ec meter, saturated paste	— — — — — — — — — — — — — — — — — — — — — — — —	17 — — 17 — — 24 — — 25 — — 25 — — — — 20 19 — — 11 — —	— — 0 — — 0 — — 0 — — 0 — — 0 — 0 — — — 0 — — 0	— — — — — — — — — — — — — — — — — — — — — — — —	— 0 — — 0 — — 0 — — 0 — — 1 — 2 — — — 4 — — 5 —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — — — — — —

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
GUSA2 FLCE LATR2 SCBR2 PRGLT	Gutierrezia sarothrae Flourensia cernua Larrea tridentata Scleropogon brevifolius Prosopis glandulosa var. torreyana	broom snakeweed American tarwort creosote bush burrograss western honey mesquite	— — — — —	— — — — —	— — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon cambic horizon secondary carbonates	0—8 8—79 79—200	—8— —71— —121—

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	—	—	1289	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

A—0 to 8 centimeters (0.0 to 3.1 inches); pale brown (10YR 6/3) broken face, brown (10YR 4/3) broken face, moist; silt loam; 16 percent clay; weak thin platy structure; soft, very friable, slightly sticky, slightly plastic; low excavation difficulty; 2.0 very fine roots throughout and 5.0 fine roots throughout; fragments; sil of Field Texture Class; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.1, pH meter; clear smooth boundary. Lab sample # TAMU7313; dry when described; observed in pit, small

Bw1—8 to 34 centimeters (3.1 to 13.4 inches); brown (7.5YR 5/3) broken face, brown (7.5YR 4/3) broken face, moist; silt loam; 20 percent clay; weak medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; moderate excavation difficulty; 2.0 very fine roots throughout and 3.0 fine roots throughout; 1.0 fine moderate-continuity vesicular pores; fragments; sil of Field Texture Class; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, pH meter; gradual wavy boundary. Lab sample # TAMU7314; dry when described; observed in pit, small

Bw2—34 to 61 centimeters (13.4 to 24.0 inches); brown (7.5YR 5/3) broken face, brown (7.5YR 4/3) broken face, moist; silty clay loam; 19 percent clay; moderate medium prismatic parts to moderate fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; moderate excavation difficulty; 0.5 medium roots throughout and 2.0 fine roots throughout; 0.5 very fine moderate-continuity vesicular pores; fragments; sil of Field Texture Class; strong effervescence, by hcl, 1n; moderately alkaline, pH 7.9, pH meter; gradual wavy boundary. Lab sample # TAMU7315; dry when described; observed in pit, small

Bw3—61 to 79 centimeters (24.0 to 31.1 inches); brown (7.5YR 5/4) broken face, brown (7.5YR 4/4) broken face, moist; clay loam; 19 percent clay; moderate medium prismatic parts to moderate fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; moderate excavation difficulty; 1.0 very fine roots throughout and 0.5 coarse roots throughout; 1.0 very fine moderate-continuity vesicular pores; fragments; sil of Field Texture Class; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, pH meter; gradual wavy boundary. Lab sample # TAMU7316; dry when described; observed in pit, small

Bk1—79 to 106 centimeters (31.1 to 41.7 inches); brown (7.5YR 5/4) broken face, brown (7.5YR 4/4) broken face, moist; clay loam; 19 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; moderate excavation difficulty; 0.5 very fine roots throughout and 0.5 fine roots throughout; 1.0 fine moderate-continuity vesicular pores; 4 percent fine distinct irregular noncoherent cemented carbonate masses with clear boundaries in matrix and 3 percent medium distinct irregular noncoherent cemented carbonate masses with clear boundaries in matrix; fragments; sil of Field Texture Class; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.1, pH meter; gradual wavy boundary. Lab sample # TAMU7317; dry when described; observed in pit, small

Bk2—106 to 134 centimeters (41.7 to 52.8 inches); brown (7.5YR 5/4) broken face, brown (7.5YR 4/4) broken face, moist; clay loam; 21 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; moderate excavation difficulty; 0.5 fine roots throughout; 1.0 fine moderate-continuity vesicular pores; 2 percent fine distinct irregular noncoherent cemented carbonate masses with clear boundaries in matrix and 2 percent medium distinct irregular noncoherent cemented carbonate masses with clear boundaries in matrix; fragments; sil of Field Texture Class; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.3, pH meter; gradual wavy boundary. Lab sample # TAMU7318; dry when described; observed in pit, small

Bk3—134 to 184 centimeters (52.8 to 72.4 inches); light brown (7.5YR 6/3) broken face, brown (7.5YR 5/4) broken face, moist; clay loam; 22 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; moderate excavation difficulty; 0.5 very fine roots throughout; 0.5 very fine moderate-continuity vesicular pores; 1 percent fine distinct irregular noncoherent cemented carbonate masses with clear boundaries in matrix; fragments; sil of Field Texture Class; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.3, pH meter; gradual wavy boundary. Lab sample # TAMU7319; dry when described; observed in pit, small

Bk4—184 to 200 centimeters (72.4 to 78.7 inches); light brown (7.5YR 6/3) broken face, brown (7.5YR 5/4) broken face, moist; loam; 22 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; moderate excavation difficulty; 0.5 very fine roots throughout; 0.5 very fine moderate-continuity vesicular pores; 3 percent fine faint noncoherent cemented carbonate, finely disseminated with diffuse boundaries in matrix and 1 percent fine faint irregular noncoherent cemented carbonate masses with clear boundaries in matrix; fragments; sil of Field Texture Class; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4, pH meter. Lab sample # TAMU7320; dry when described; observed in pit, small