IDENTIFIERS
Current Taxon Name (Soil Name):
Auras
OSD
Series Extent
User Site ID:
29103-012
User Pedon ID:
S1980-TX043-012
Transect:
User Transect ID -
T1980-TX621-59
Transect Stop Number -
2
Transect Interval -
30.5
Lab Information:
Certified Lab Pedon Description -
no
Print Date:
11/12/2024
LOCATION
Country:
US—United States
State:
Texas
County:
TX043—Brewster
MLRA:
42—Southern Desertic Basins, Plains, and Mountains
MLRA Soil Survey Area:
SW-MAF—Marfa, Texas
Non-MLRA Soil Survey Area:
TX621—Big Bend National Park, Texas
PEDON
Describers Name:
Rex Cochran and Jerry Rives
Current Taxonomic Class:
Loamy-skeletal, mixed, superactive, calcareous, thermic Lithic Ustic Torriorthents
Current Taxon Kind:
series
Pedon Record Orgin:
NASIS
Pedon #:
2
Correlated Information:
Soil Name -
Auras
PSC -
0 to 15 cm.
Classificaton Date -
7/7/2015
Classifier -
Lynn Loomis
Soil Taxonomic Edition -
twelfth edition
Moisture Class -
aridic (torric)
Moisture Subclass -
ustic
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
4/22/1980 (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, lithic
indurated
15 - 200
—
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
ochric epipedon
lithic contact
0—15
15—15
—-
—-
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
—
—
—
—
—
90
—
—
—
—
—
—
—
—
—
—
—
—
—
—
A1—0 to 8 centimeters (0.0 to 3.1 inches); brown (7.5YR 5/3), brown (7.5YR 4/3), moist; very gravelly loam; 40 percent by volume nonflat angular indurated 2-?-75 millimeter rhyolite fragments; noneffervescent.
A2—8 to 15 centimeters (3.1 to 5.9 inches); extremely gravelly loam; 80 percent by volume nonflat angular indurated 2-?-75 millimeter rhyolite fragments; noneffervescent.
R—15 to 200 centimeters (5.9 to 78.7 inches); bedrock; fragments.; observed in pit, small