IDENTIFIERS

Current Taxon Name (Soil Name): Markley

OSD

Series Extent

Local Phase: fine sandy loam

User Site ID: 92TX503001

User Pedon ID: 92TX503001

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - LIMS

Lab Pedon # - 93P0081

NCSS Pedon Lab Data NASIS Record ID - 65425

Print Date: 12/9/2025

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: 33.3836098

Std. Longitude: -98.5091629

Datum: WGS84

Location Description: 4.1 miles west on Farm Road 1769 from its intersection with Texas Highway 16in Markley, 0.75 mile north and 0.5 mile east on cottonwood road, 75 feet north in rangeland.

Map Unit: WdB—Markley fine sandy loam, 1 to 3 percent slopes

Country: US—United States

State: Texas

County: TX503—Young

MLRA: 80B—Texas North-Central Prairies

Non-MLRA Soil Survey Area: TX503—Young County, Texas

7.5 Minute USGS Quad: 33098-D5—Prickly Pear Branch, Texas

PEDON

Describers Name: Thomas E. Cyprian, Sidney C. Paulson

Current Taxonomic Class: Fine, mixed, semiactive, thermic Typic Haplustalfs

Current Taxon Kind: series

Pedon Type: OSD pedon

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: NASIS

Correlated Information:

Soil Name - Markley (flagged as OSD)

PSC - 27 to 77 cm.

Classificaton Date - 3/17/2020

Classifier - Chance Robinson

Soil Taxonomic Edition - twelfth edition

Moisture Class - ustic

Moisture Subclass - typic

Sampled As Information:

Soil Name - Markley

Taxonomic Class - Fine, mixed, thermic Typic Paleustalfs

Taxon Kind - series

PSC - 27 to 77 cm.

Classificaton Date - 10/3/1994

Classifier - Tom Cyprian

Soil Taxonomic Edition - fifth edition

Moisture Class - ustic

Moisture SUBClass - typic

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

Certification Status: certified

QC Status: level 1

QA Status: level 1

SITE

Parent Material: loamy and clayey slope alluvium derived from sandstone over clayey residuum weathered from claystone

Landscape: hills

Landform: ridge

Geomorphic Component Hills: base slope

Hill Slope Profile: footslope

Slope Shape Across: linear

Slope Shape Down: linear

Runoff: medium

Drainage Class: moderately well

Bedrock: noncoherent claystone

Geology: Markley formation of the Bowie group.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

Ecological Sites. (Click Ecological Site ID For Link to EDIT.)
Ecological Site ID	Ecological Site Name	Correlation Data	Classifier
R080BY164TX	Tight Sandy Loam 26-33" PZ	Jan 18 2003

SITE OBSERVATION

Observation Date: 1/15/2014 (entry creation date)

Air Photo ID: AS-2A

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - rangeland, savanna

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon argillic horizon redox concentrations secondary carbonates lithologic discontinuity secondary carbonates	0—27 27—204 27—230 80—170 170—170 204—230	—- —- —- —- —- —-

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
2	—	—	350	—	158	734	—	226	18.1	28.5	7.5	—	—	—	—	—	416636	OLNEY, TX	COOP

A1—0 to 10 centimeters (0.0 to 3.9 inches); light brown (7.5YR 6/3), brown (7.5YR 4/2), moist; fine sandy loam; 14 percent clay; weak medium subangular blocky structure; friable; 10.0 fine and medium roots; 2.0 fine and medium tubular pores; fragments; clear smooth boundary. Lab sample # 93P00576; observed in pit, small

A2—10 to 27 centimeters (3.9 to 10.6 inches); light brown (7.5YR 6/4), brown (7.5YR 4/3), moist; fine sandy loam; 19 percent clay; weak medium subangular blocky structure; hard, friable; 10.0 fine and medium roots; 2.0 fine and medium tubular pores; fragments; clear smooth boundary. Lab sample # 93P00577; observed in pit, small

Bt1—27 to 43 centimeters (10.6 to 16.9 inches); reddish brown (5YR 5/4), reddish brown (5YR 4/4), moist; clay loam; 36 percent clay; moderate medium prismatic parts to moderate medium angular blocky structure; hard, friable; 2.0 fine and medium roots; 2.0 fine and medium tubular pores; 45 percent clay films on faces of peds; 2 percent fine spherical iron-manganese concretions; 2 percent cylindrical worm casts; fragments; clear smooth boundary. Lab sample # 93P00578; observed in pit, small. continuous - phpvsfiid 1683075; continuous - phpvsfiid 1683075

Bt2—43 to 63 centimeters (16.9 to 24.8 inches); reddish brown (5YR 4/4), dark reddish brown (5YR 3/3), moist; clay; 43 percent clay; moderate medium prismatic parts to moderate medium angular blocky structure; hard, firm; 2.0 fine and medium roots; 2.0 fine tubular pores; 80 percent dark brown (7.5YR 3/2), moist, clay films on faces of peds; 2 percent fine and medium spherical iron-manganese concretions; fragments; clear smooth boundary. Lab sample # 93P00579; observed in pit, small. continuous - phpvsfiid 1683076; continuous - phpvsfiid 1683076

Bt3—63 to 80 centimeters (24.8 to 31.5 inches); reddish brown (5YR 4/3), dark reddish brown (5YR 3/3), moist; clay; 40 percent clay; moderate medium prismatic parts to moderate medium angular blocky structure; hard, firm; 2.0 fine and medium roots; 80 percent dark brown (7.5YR 3/2), moist, clay films; 2 percent fine and medium spherical iron-manganese concretions and 10 percent fine faint brown (7.5YR 4/4) masses of oxidized iron; fragments; gradual smooth boundary. Lab sample # 93P00580; observed in pit, small. continuous - phpvsfiid 1683077; continuous - phpvsfiid 1683077

Bt4—80 to 118 centimeters (31.5 to 46.5 inches); brown (7.5YR 5/4), brown (7.5YR 4/4), moist; clay; 42 percent clay; moderate medium prismatic parts to moderate medium angular blocky structure; very hard, firm; 2.0 fine and medium roots; 15 percent pressure faces and 80 percent prominent clay films; 2 percent fine and medium spherical iron-manganese concretions and 2 percent fine faint strong brown (7.5YR 5/6) masses of oxidized iron; 2 percent fine spherical carbonate concretions; fragments; gradual smooth boundary. Lab sample # 93P00581; observed in pit, small. continuous - phpvsfiid 1683080; continuous - phpvsfiid 1683080

Bt5—118 to 170 centimeters (46.5 to 66.9 inches); reddish brown (2.5YR 4/4), dark reddish brown (2.5YR 3/4), moist; clay; 41 percent clay; moderate medium prismatic parts to moderate medium angular blocky structure; very hard, firm; 2.0 fine and medium roots; 2.0 fine tubular pores; 80 percent clay films on faces of peds; 2 percent fine and medium spherical iron-manganese concretions and 2 percent medium prominent light yellowish brown (10YR 6/4) masses of oxidized iron and 10 percent medium distinct dark red (2.5YR 3/6) masses of oxidized iron; 2 percent medium spherical carbonate concretions; fragments; clear smooth boundary. Lab sample # 93P00582; observed in pit, small. continuous - phpvsfiid 1683081; continuous - phpvsfiid 1683081

2BCt—170 to 204 centimeters (66.9 to 80.3 inches); 55 percent light yellowish brown (2.5Y 6/3) and 25 percent reddish brown (5YR 5/4) and 20 percent yellow (10YR 8/6), 55 percent light olive brown (2.5Y 5/3) and 25 percent reddish brown (5YR 4/4) and 20 percent yellow (10YR 7/6), moist; clay; 42 percent clay; moderate coarse prismatic parts to weak medium angular blocky structure; very hard, firm; 40 percent prominent clay films; fragments; clear smooth boundary. Lab sample # 93P00583; observed in pit, small. continuous - phpvsfiid 1683082; continuous - phpvsfiid 1683082

2CBk—204 to 230 centimeters (80.3 to 90.6 inches); 65 percent light gray (5Y 7/2) and 12 percent yellowish red (5YR 5/6) and 28 percent pale yellow (2.5Y 7/4), 65 percent light olive gray (5Y 6/2) and 12 percent yellowish red (5YR 4/6) and 28 percent light yellowish brown (2.5Y 6/4), moist; clay; 40 percent clay; structureless massive; very hard, very firm; 12 percent prominent irregular noncoherent cemented yellowish red (5YR 4/6), moist, and yellowish red (5YR 5/6), dry, masses of oxidized iron in matrix and 28 percent prominent irregular noncoherent cemented light yellowish brown (2.5Y 6/4), moist, and pale yellow (2.5Y 7/4), dry, masses of oxidized iron in matrix; 2 percent medium spherical carbonate masses; fragments. Lab sample # 93P00584; observed in pit, small