IDENTIFIERS

Current Taxon Name (Soil Name): Mereta

OSD

Series Extent

User Site ID: S2009TX307004

User Pedon ID: S09TX307004

Vegetation Plot ID: S2009TX307004

Transect:

User Transect ID - T09TX3070004

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - KSSL

Lab Pedon # - 09N0840

NCSS Pedon Lab Data NASIS Record ID - 24846

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: 31.2077637

Std. Longitude: -99.2266464

Datum: WGS84

State: Texas

County: TX307—McCulloch

MLRA: 81B—Edwards Plateau, Central Part

7.5 Minute USGS Quad: 31099-B2—Rochelle, Texas

PEDON

Describers Name: alb,jam,wg,cs

Current Taxonomic Class: Loamy, mixed, superactive, thermic, shallow Petrocalcic Calciustolls

Current Taxon Kind: taxadjunct

Pedon Type: TUD pedon

Pedon Purpose: full pedon description

Pedon Record Orgin: NASIS

Pedon #: 4

Correlated Information:

Soil Name - Mereta

PSC - 25 to 40 cm.

Classificaton Date - 10/28/2010

Soil Taxonomic Edition - tenth edition

Moisture Class - ustic

Moisture Subclass - typic

Sampled As Information:

Soil Name - Mereta

Classificaton Date - 4/22/2009

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

Certification Status: certified

QC Status: level 1

QA Status: level 1

SITE

Parent Material: slope alluvium over ancient alluvium derived from limestone and sandstone

Landscape: alluvial plain remnant

Landform: dissected plateau

Geomorphic Component Hills: interfluve

Hill Slope Profile: shoulder

Slope Position: middle third

Slope Complexity: simple

Slope Shape Across: linear

Slope Shape Down: convex

Drainage Class: well

Geology: Kh formation.

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
R081BY343TX	Shallow 23-31 PZ

SITE OBSERVATION

Observation Date: 4/22/2009 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - crop cover

Site Obs. Cover Kind 2 - hayland

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Current Weather - sunny

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
PACO2	Panicum coloratum	kleingrass	—	—	—

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
petrocalcic	very strongly coherent	40 - 50	—

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon petrocalcic horizon calcic horizon	0—40 40—50 50—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
2	—	—	532	—	135	—	—	—	—	—	—	—	—	—	—	—	—	—	—

Ap—0 to 16 centimeters (0.0 to 6.3 inches); very dark grayish brown (10YR 3/2), very dark brown (10YR 2/2), moist; clay loam; 15 percent sand; 40 percent silt; 45 percent clay; moderate medium subangular blocky parts to moderate fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 3.0 very fine roots throughout and 4.0 fine roots throughout; 5.0 very fine and 10.0 fine pores; 5 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter petrocalcic fragments fragments; violent effervescence, by hcl, 3n; clear smooth boundary. Lab sample # 09N02917; moist when described; observed in pit, large or quarry

A—16 to 40 centimeters (6.3 to 15.7 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; clay; 30 percent sand; 25 percent silt; 45 percent clay; moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 2.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine irregular and 2.0 fine irregular pores; 5 percent by volume nonflat subrounded strongly coherent cemented 2-?-75 millimeter petrocalcic fragments fragments; violent effervescence, by hcl, 3n; very abrupt smooth boundary. Lab sample # 09N02918; moist when described; observed in pit, large or quarry

Bkm—40 to 50 centimeters (15.7 to 19.7 inches); cemented material; structureless massive; strongly coherent; fragments; violent effervescence, by hcl, 3n; abrupt smooth boundary. Lab sample # 09N02919; dry when described; observed in pit, large or quarry

Bk1—50 to 97 centimeters (19.7 to 38.2 inches); pink (7.5YR 8/4), pink (7.5YR 7/4), moist; silt loam; 12 percent sand; 50 percent silt; 38 percent clay; weak medium subangular blocky, and weak medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 2.0 very fine roots throughout; 2.0 very fine pores; 15 percent coarse prominent irregular noncoherent cemented pinkish white (7.5YR 8/2), moist, carbonate masses with sharp boundaries in matrix and 5 percent very coarse prominent irregular noncoherent cemented pinkish white (7.5YR 8/2), moist, carbonate masses with sharp boundaries in matrix; 5 percent by volume nonflat subrounded indurated 2-?-75 millimeter limestone, unspecified fragments; violent effervescence, by hcl, 3n; gradual wavy boundary. Lab sample # 09N02920; dry when described; observed in pit, large or quarry

Bk2—97 to 155 centimeters (38.2 to 61.0 inches); light brown (7.5YR 6/4), 20 percent brown (7.5YR 5/4) and brown (7.5YR 4/4), moist; gravelly silt loam; 14 percent sand; 50 percent silt; 36 percent clay; strong brown (7.5YR 5/6) mottles; weak medium subangular blocky, and weak fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 1.0 very fine roots throughout; 1.0 very fine irregular and 1.0 fine irregular pores; 25 percent coarse prominent irregular noncoherent cemented pinkish white (7.5YR 8/2), moist, carbonate masses with sharp boundaries in matrix and 10 percent very coarse prominent irregular noncoherent cemented pinkish white (7.5YR 8/2), moist, carbonate masses with sharp boundaries in matrix; 5 percent by volume nonflat subrounded indurated 2-?-75 millimeter limestone, unspecified fragments; violent effervescence, by hcl, 3n; gradual wavy boundary. Lab sample # 09N02921; dry when described; observed in pit, large or quarry

Bk3—155 to 203 centimeters (61.0 to 79.9 inches); brown (7.5YR 5/4), 10 percent brown (7.5YR 4/2) and brown (7.5YR 4/4), moist; gravelly silty clay loam; 30 percent sand; 35 percent silt; 35 percent clay; weak medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 1.0 very fine roots throughout; 1.0 very fine irregular pores; 10 percent fine prominent irregular noncoherent cemented pinkish white (7.5YR 8/2), moist, carbonate masses with sharp boundaries in matrix; 5 percent by volume nonflat subrounded indurated 2-?-75 millimeter limestone, unspecified fragments; violent effervescence, by hcl, 3n. Lab sample # 09N02922; dry when described; observed in pit, large or quarry