IDENTIFIERS

Current Taxon Name (Soil Name): Demona

OSD

Series Extent

Local Phase: loamy sand

User Site ID: S1981TX143003

User Pedon ID: S1981TX143003

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - SSL

Lab Pedon # - 82P0164

NCSS Pedon Lab Data NASIS Record ID - 50404

User Project ID: 2020-MLRA-001

Project Name: MLRA 84B - Paluxy Erosional Hillslopes, Central Part

Print Date: 11/26/2024

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: 32.3933889

Std. Longitude: -98.3998639

Datum: WGS84

Location Description: From the courthouse in Stephenville, 17.5 miles northwest on State Road 108 to Hannibal store, .9 miles north of store to gravel road heading northwest, west at intersection for 4.4 miles. Site is about 800 feet north of road in rangeland. Location Description was previously populated as: 18.4 mi NW of courthouse in Stephenville on TX108, 4.4 mi W, 800 feet N in range

Country: US—United States

State: Texas

County: TX143—Erath

MLRA: 84B—West Cross Timbers

Non-MLRA Soil Survey Area: TX143—Erath County, Texas

7.5 Minute USGS Quad: 32098-D4—Reddy Mountain, Texas

PEDON

Describers Name: G. S. Dowell and J. C. Williams

Current Taxonomic Class: Loamy, mixed, active, thermic Aquic Arenic Paleustalfs

Current Taxon Kind: taxadjunct

Pedon Record Orgin: Converted from PDP 3.x

Pedon #: 3

Correlated Information:

Soil Name - Demona

PSC - 76 to 136 cm.

Classificaton Date - 3/28/2020

Classifier - Chance Robinson

Soil Taxonomic Edition - twelfth edition

Moisture Class - ustic

Moisture Subclass - aquic

Sampled As Information:

Soil Name - Demona

Taxonomic Class - Clayey, mixed, thermic Aquic Arenic Paleustalf

Taxon Kind - series

Classificaton Date - 11/1/1981

Moisture Class - ustic

Moisture SUBClass - aquic

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

Certification Status: certified

QC Status: level 1

QA Status: level 1

SITE

Parent Material: sandy and/or clayey slope alluvium and/or residuum weathered from sandstone and shale

Landscape: hills

Landform: ridge

Geomorphic Component Hills: interfluve

Hill Slope Profile: summit

Slope Shape Across: linear

Slope Shape Down: convex

Drainage Class: moderately well

Bedrock: weakly coherent sandstone, unspecified at 175cm

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 11/1/1981 (actual site observation date)

Surface Cover Properties:

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
bedrock, paralithic	weakly coherent	175 - 205	—

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon abrupt textural change argillic horizon redox depletions with chroma 2 or less aquic conditions episaturation redox concentrations redox depletions with chroma 2 or less paralithic contact	0—76 76—76 76—175 76—121 76—175 76—175 121—159 159—175 175—175	—76— —- —- —- —- —- —- —- —-

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
3	—	—	397	—	113	—	—	—	—	—	—	—	—	—	—	—	—	—	—

A—0 to 8 centimeters (0.0 to 3.1 inches); grayish brown (10YR 5/2), dark grayish brown (10YR 4/2), moist; loamy sand; single grain; slightly hard, very friable; 3.0 fine roots; 1 percent by volume 5-?-20 millimeter quartzite fragments and 1 percent by volume 2-?-5 millimeter quartzite fragments; neutral, pH 7.0, unspecified; clear smooth boundary. Lab sample # 82P00861

E1—8 to 21 centimeters (3.1 to 8.3 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; sand; single grain; slightly hard, loose; 3.0 fine roots; 3 percent by volume 2-?-5 millimeter quartzite fragments and 3 percent by volume 5-?-20 millimeter quartzite fragments; neutral, pH 7.0, unspecified; clear smooth boundary. Lab sample # 82P00862

E2—21 to 57 centimeters (8.3 to 22.4 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; sand; single grain; slightly hard, loose; 0.5 fine roots; 4 percent by volume 5-?-20 millimeter quartzite fragments and 5 percent by volume 2-?-5 millimeter quartzite fragments; neutral, pH 7.0, unspecified; clear smooth boundary. Lab sample # 82P00863. few rounded siliceous pebbles

E3—57 to 76 centimeters (22.4 to 29.9 inches); light brown (7.5YR 6/4) gravelly loamy sand; single grain; slightly hard, loose; 0.5 fine roots; 5 percent by volume 20-?-75 millimeter quartzite fragments and 13 percent by volume 5-?-20 millimeter quartzite fragments and 15 percent by volume 2-?-5 millimeter quartzite fragments; neutral, pH 7.0, unspecified; abrupt wavy boundary. Lab sample # 82P00864. many fine siliceous pebbles

Bt1—76 to 121 centimeters (29.9 to 47.6 inches); red (10R 4/6), dark red (10R 3/6), moist; sandy clay loam; weak coarse angular blocky structure; very hard, very firm; 3.0 fine roots; 0.5 fine tubular pores; 21 percent coarse prominent light brownish gray (10YR 6/2) masses of reduced iron; 1 percent by volume 2-?-5 millimeter quartzite fragments; strongly acid, pH 5.3, unspecified; gradual wavy boundary. Lab sample # 82P00865

Bt2—121 to 137 centimeters (47.6 to 53.9 inches); very pale brown (10YR 7/3), pale brown (10YR 6/3), moist; sandy clay loam; weak coarse angular blocky structure; very hard, very firm; 3.0 fine roots; 30 percent clay films; 3 percent medium distinct dark red (2.5YR 3/6) masses of oxidized iron and 3 percent medium distinct yellowish brown (10YR 5/6) masses of oxidized iron; 1 percent by volume 5-?-20 millimeter quartzite fragments and 3 percent by volume 2-?-5 millimeter quartzite fragments; strongly acid, pH 5.3, unspecified; gradual wavy boundary. Lab sample # 82P00866. few siliceous gravels about 3 mm in size; continuous - phpvsfiid 1156582; continuous - phpvsfiid 1156582

Bt3—137 to 159 centimeters (53.9 to 62.6 inches); very pale brown (10YR 7/3), pale brown (10YR 6/3), moist; sandy loam; weak coarse angular blocky structure; very hard, very firm; 0.5 fine roots; 30 percent clay films; 3 percent coarse distinct dark red (2.5YR 3/6) masses of oxidized iron; 2 percent by volume 5-?-20 millimeter quartzite fragments and 3 percent by volume weakly coherent cemented 2-?-5 millimeter sandstone, unspecified fragments; strongly acid, pH 5.3, unspecified; gradual smooth boundary. Lab sample # 82P00867. few siliceous gravels 3 mm in size; few weakly cemented red sandstone; continuous - phpvsfiid 1156583; continuous - phpvsfiid 1156583

Bt4—159 to 175 centimeters (62.6 to 68.9 inches); light gray (10YR 7/2), light brownish gray (10YR 6/2), moist; sandy clay loam; weak fine angular blocky structure; very hard, very firm; 0.5 fine roots; 3 percent coarse distinct very dark grayish brown (10YR 3/2) masses of reduced iron; 1 percent by volume 5-?-20 millimeter shale, unspecified fragments and 2 percent by volume weakly coherent cemented 2-?-5 millimeter sandstone, unspecified fragments; strongly acid, pH 5.3, unspecified; gradual wavy boundary. Lab sample # 82P00868. coarse fragments are shale and weakly cemented sandstone; coarse fragments, 46 percent larger than 2 mm sandstone

Cr—175 to 205 centimeters (68.9 to 80.7 inches); red (2.5YR 4/6) and very pale brown (10YR 8/2) bedrock; weakly coherent; 1 percent by volume 5-?-20 millimeter quartzite fragments and 1 percent by volume 20-?-75 millimeter quartzite fragments and 1 percent by volume 2-?-5 millimeter quartzite fragments. Lab sample # 82P00869