IDENTIFIERS

Current Taxon Name (Soil Name): Tiocano

OSD

Series Extent

User Site ID: S1992TX297002

User Pedon ID: S92TX297002

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - KSSL

Lab Pedon # - 93P0260

NCSS Pedon Lab Data NASIS Record ID - 65603

Print Date: 11/21/2024

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: 28.1058331

Std. Longitude: -98.0891647

Datum: WGS84

Location Description: From the intersection of US Highway 281 and US Highway 59 in George West, TX; 16.25 miles S on US Highway 281, then E on farm road 0.9 mile and N on farm road 1.1 miles; site is 1400 feet W in depression in pasture.

State: Texas

County: TX297—Live Oak

MLRA: 83A—Northern Rio Grande Plain

Non-MLRA Soil Survey Area: TX297—Liveoak County, Texas

PEDON

Describers Name: CLN, RM, EG, JW, PDH

Current Taxonomic Class: Fine, smectitic, hyperthermic Udic Haplusterts

Current Taxon Kind: series

Pedon Type: TUD pedon

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: Converted from PDP 3.x

Pedon #: 2

Correlated Information:

Soil Name - Tiocano

PSC - 25 to 100 cm.

Classificaton Date - 8/29/2013

Classifier - Clark Harshbarger

Soil Taxonomic Edition - eleventh edition

Moisture Class - ustic

Moisture Subclass - typic

Sampled As Information:

Soil Name - Tiocano

Taxonomic Class - Fine, montmorillonitic Typic Pellusterts

Classificaton Date - 11/3/1992

Moisture Class - ustic

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

Certification Status: certified

QC Status: level 1

SITE

Landscape: upland

Landform: playa

Slope Position: depression

Slope Shape Across: concave

Slope Shape Down: concave

Runoff: very low

Drainage Class: somewhat poorly

Flooding: none flooding

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 11/3/1992 (actual site observation date)

Air Photo ID: AS-62

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - rangeland, grassland

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Site Erosion Accelerated: water erosion

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon slickensides secondary carbonates calcic horizon	0—53 20—150 150—203 178—203	—53— —130— —53— —25—

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
—	—	—	79	—		711	—	—	—	—	—	—	—	—	—	—	—	—	—

A—0 to 20 centimeters (0.0 to 7.9 inches); very dark gray (10YR 3/1), black (10YR 2/1), moist; clay; moderate medium angular blocky structure; extremely hard, extremely firm*; 21.0 fine to coarse roots throughout; 3.0 fine low-continuity pores; 10 percent manganese or iron-manganese stains and 75 percent pressure faces; 1 percent fine spherical iron-manganese concretions; fragments; clear irregular boundary. Lab sample # 93P02134

Bss1—20 to 53 centimeters (7.9 to 20.9 inches); very dark gray (10YR 3/1), black (10YR 2/1), moist; clay; moderate medium angular blocky structure; extremely hard, extremely firm*; 21.0 fine and medium roots throughout and 0.5 coarse roots throughout; 0.5 very fine and fine moderate-continuity pores; 75 percent slickensides (pedogenic) and 75 percent pressure faces; 1 percent fine spherical iron-manganese concretions; fragments; gradual wavy boundary. Lab sample # 93P02135

Bss2—53 to 97 centimeters (20.9 to 38.2 inches); very dark gray (10YR 3/1), black (10YR 2/1), moist; clay; moderate medium angular blocky structure; extremely hard, extremely firm*; 3.0 fine and medium roots throughout; 0.5 very fine and fine moderate-continuity pores; 75 percent pressure faces and 75 percent slickensides (pedogenic); 1 percent fine spherical iron-manganese concretions; fragments; gradual wavy boundary. Lab sample # 93P02136

Bss3—97 to 127 centimeters (38.2 to 50.0 inches); dark gray (10YR 4/1), very dark gray (10YR 3/1), moist; clay; moderate fine and medium angular blocky structure; very hard, very firm; 0.5 fine and medium roots throughout; 0.5 very fine and fine moderate-continuity pores; 75 percent pressure faces and 75 percent slickensides (pedogenic); 1 percent fine spherical iron-manganese concretions; fragments; gradual wavy boundary. Lab sample # 93P02137

Bss4—127 to 150 centimeters (50.0 to 59.1 inches); dark gray (10YR 4/1), very dark gray (10YR 3/1), moist; clay; moderate fine and medium angular blocky structure; very hard, very firm; 3.0 fine and medium roots throughout and 0.5 coarse roots throughout; 0.5 very fine and fine moderate-continuity pores; 75 percent pressure faces and 75 percent slickensides (pedogenic); 1 percent fine irregular iron-manganese masses; 1 percent fine spherical carbonate threads; fragments; gradual wavy boundary. Lab sample # 93P02138

Bk1—150 to 178 centimeters (59.1 to 70.1 inches); grayish brown (10YR 5/2), dark grayish brown (10YR 4/2), moist; clay; moderate fine and medium subangular blocky parts to angular blocky structure; very hard, very firm; 0.5 fine to coarse roots throughout; 0.5 very fine and fine moderate-continuity pores; 10 percent pressure faces and 10 percent slickensides (pedogenic); 2 percent fine and medium spherical carbonate masses; fragments; strong effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 93P02139

Bk2—178 to 203 centimeters (70.1 to 79.9 inches); light brownish gray (10YR 6/2), grayish brown (10YR 5/2), moist; clay loam; moderate fine subangular blocky structure; very hard, very firm; 0.5 coarse roots throughout; 0.5 very fine and fine moderate-continuity pores; 1 percent fine irregular iron-manganese masses; 25 percent fine irregular carbonate masses and 3 percent fine spherical carbonate threads; fragments; violent effervescence, by hcl, 1n. Lab sample # 93P02140