IDENTIFIERS

Current Taxon Name (Soil Name): Amarillo

OSD

Series Extent

User Site ID: S2012TX219001

User Pedon ID: S2012TX219001

Vegetation Plot ID: S12TX219001

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - KSSL

Lab Pedon # - 12N7895

NCSS Pedon Lab Data NASIS Record ID - 72875

Print Date: 2/16/2025

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: 33.7729797

Std. Longitude: -102.5326309

Datum: WGS84

State: Texas

County: TX219—Hockley

MLRA: 77C—Southern High Plains, Southern Part

Non-MLRA Soil Survey Area: TX219—Hockley County, Texas

7.5 Minute USGS Quad: 33102-G5—Pep, Texas

PEDON

Describers Name: T. Craig Byrd & Alan Stahnke

Current Taxonomic Class: Fine-loamy, mixed, superactive, thermic Aridic Paleustalfs

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: research site

Pedon Record Orgin: PedonPC

Correlated Information:

Soil Name - Amarillo

PSC - 24 to 74 cm.

Classificaton Date - 4/3/2012

Soil Taxonomic Edition - eleventh edition

Moisture Class - ustic

Moisture Subclass - aridic (torric)

Sampled As Information:

Soil Name - Amarillo

Classificaton Date - 3/20/2012

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: loamy eolian deposits

Landscape: plateau

Landform: plain

Slope Complexity: simple

Slope Shape Across: convex

Slope Shape Down: convex

Runoff: negligible

Drainage Class: well

Geology: Blackwater Draw Formation formation.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 3/20/2012 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - other grass/herbaceous cover

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Site Erosion Accelerated: wind erosion

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
ERAGR	Eragrostis	lovegrass	—	—	—

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon argillic horizon calcic horizon	0—24 24—129 129—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
0.8	—	—	1112	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

Ap1—0 to 5 centimeters (0.0 to 2.0 inches); brown (7.5YR 4/4), dark brown (7.5YR 3/4), moist; fine sandy loam; 15 percent clay; weak medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; 7.0 fine roots throughout; fragments; noneffervescent; clear smooth boundary.

Ap2—5 to 10 centimeters (2.0 to 3.9 inches); brown (7.5YR 4/4), dark brown (7.5YR 3/4), moist; fine sandy loam; 15 percent clay; weak medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; 7.0 medium roots throughout; fragments; noneffervescent; clear smooth boundary.

Ap3—10 to 24 centimeters (3.9 to 9.4 inches); reddish brown (5YR 4/4), dark reddish brown (5YR 3/4), moist; sandy clay loam; 20 percent clay; moderate medium subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 6.0 fine roots throughout; fragments; very slight effervescence; clear smooth boundary.

Bt1—24 to 67 centimeters (9.4 to 26.4 inches); reddish brown (5YR 5/4), reddish brown (5YR 4/4), moist; sandy clay loam; 25 percent clay; moderate coarse prismatic parts to moderate medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 5.0 fine roots throughout; 40 percent prominent clay films on vertical faces of peds; fragments; noneffervescent; clear smooth boundary. continuous - phpvsfiid 821376; continuous - phpvsfiid 821376

Bt2—67 to 99 centimeters (26.4 to 39.0 inches); red (2.5YR 5/6), red (2.5YR 4/6), moist; sandy clay loam; 22 percent clay; moderate coarse prismatic parts to moderate medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 3.0 fine roots throughout; 30 percent prominent clay films on vertical faces of peds; fragments; noneffervescent; clear smooth boundary. continuous - phpvsfiid 821377; continuous - phpvsfiid 821377

Bt3—99 to 129 centimeters (39.0 to 50.8 inches); red (2.5YR 5/6), red (2.5YR 4/6), moist; sandy clay loam; 20 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, friable, slightly sticky, nonplastic; 3.0 fine roots throughout; 15 percent distinct clay films on vertical faces of peds; fragments; noneffervescent; clear smooth boundary. discontinuous - phpvsfiid 821378; discontinuous - phpvsfiid 821378

Bkk—129 to 163 centimeters (50.8 to 64.2 inches); light reddish brown (2.5YR 7/4), light reddish brown (2.5YR 6/4), moist; sandy clay loam; 24 percent clay; weak coarse subangular blocky structure; slightly hard, friable, slightly sticky, nonplastic; 2.0 fine roots throughout; ; 20 percent carbonate, finely disseminated throughout and 25 percent medium carbonate masses throughout and 20 percent medium carbonate nodules throughout; 10 percent by volume nonflat subangular indurated ? to 100-? millimeter petrocalcic fragments fragments; violent effervescence; abrupt wavy boundary.

Btkk—163 to 203 centimeters (64.2 to 79.9 inches); light red (2.5YR 6/6), red (2.5YR 5/6), moist; sandy clay loam; 22 percent clay; moderate medium subangular blocky structure; slightly hard, friable; 3.0 fine roots throughout; 10 percent faint clay films on vertical faces of peds; 20 percent carbonate, finely disseminated throughout and 20 percent irregular noncoherent cemented carbonate masses throughout and 5 percent irregular strongly coherent cemented carbonate nodules throughout; fragments; violent effervescence. patchy - phpvsfiid 821380; patchy - phpvsfiid 821380