IDENTIFIERS
Current Taxon Name (Soil Name):
Boracho
OSD
Series Extent
User Site ID:
30103-C6-001
User Pedon ID:
S1990-TX043-002
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
TAMU
Lab Pedon # -
S90TX043002
NCSS Pedon Lab Data NASIS Record ID -
45496
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:
30.3443336
Std. Longitude:
-103.7071075
Datum:
WGS84
Location Description:
From the junction of US Highway 90 and Texas Highway 118 north in Alpine, 3.0 miles west on US Highway 90, 300 feet south in range; at the west end of berm on the Big Bend Sportsman's Club Rifle Range
Map Unit:
BOB—Boracho-Espy complex, 1 to 8 percent slopes
Country:
US—United States
State:
Texas
County:
TX043—Brewster
MLRA:
42—Southern Desertic Basins, Plains, and Mountains
Regional Office:
8—Phoenix, AZ
Non-MLRA Soil Survey Area:
TX622—Brewster County, Texas (Main Part)
7.5 Minute USGS Quad:
30103-C6—Alpine South, Texas
PEDON
Describers Name:
Rex Cochran, Jerry Rives, Sharon Elias, and John Jacob
Current Taxonomic Class:
Loamy-skeletal, mixed, superactive, thermic, shallow Petrocalcic Calciustolls
Current Taxon Kind:
series
Pedon Type:
TUD pedon
Pedon Purpose:
full pedon description
Pedon Record Orgin:
NASIS
Correlated Information:
Soil Name -
Boracho
PSC -
0 to 18 cm.
Classificaton Date -
8/13/2015
Classifier -
Chance M. Robinson
Soil Taxonomic Edition -
twelfth edition
Moisture Class -
ustic
Moisture Subclass -
aridic (torric)
Sampled As Information:
Soil Name -
Boracho-data
Classificaton Date -
3/5/1990
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
Certification Status:
certified
QC Status:
level 3
SITE
Drainage Class:
well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
3/5/1990 (actual site observation date)
Air Photo ID:
10
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
petrocalcic
indurated
18 - 86
—
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
mollic epipedon
petrocalcic horizon
0—18
18—86
—-
—-
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
—
—
—
1423
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
A—0 to 18 centimeters (0.0 to 7.1 inches); brown (7.5YR 5/2), dark brown (7.5YR 3/2), moist; very gravelly loam; weak fine subangular blocky, and weak medium subangular blocky structure; hard, very friable; 2.0 medium roots and 2.0 fine roots; 1 percent by volume 75-?-250 millimeter petrocalcic fragments fragments and 5 percent by volume nonflat indurated 75-?-250 millimeter igneous, unspecified fragments and 10 percent by volume indurated 2-?-75 millimeter petrocalcic fragments fragments and 40 percent by volume nonflat indurated 2-?-75 millimeter igneous, unspecified fragments; violent effervescence, by hcl, 1n; abrupt wavy boundary. Lab sample # TAMU4102; observed in pit, large or quarry
Bkkm1—18 to 33 centimeters (7.1 to 13.0 inches); very pale brown (10YR 8/2) cemented material; indurated; fragments; violent effervescence, by hcl, 1n; abrupt wavy boundary. Lab sample # TAMU4103; observed in pit, large or quarry. few coarse pipes filled with A horizon material
Bkkm2—33 to 41 centimeters (13.0 to 16.1 inches); very pale brown (10YR 8/2) cemented material; indurated; 8 percent by volume very strongly coherent cemented 2-?-75 millimeter tuff, unspecified fragments; violent effervescence, by hcl, 1n; abrupt wavy boundary. Lab sample # TAMU4104; observed in pit, large or quarry. few coarse pipes filled with A horizon material
Bkkm3—41 to 53 centimeters (16.1 to 20.9 inches); very pale brown (10YR 8/2) cemented material; strongly coherent; 15 percent by volume very strongly coherent cemented 2-?-75 millimeter tuff, unspecified fragments; violent effervescence, by hcl, 1n; abrupt wavy boundary. Lab sample # TAMU4105; observed in pit, large or quarry. few coarse pipes filled with A horizon material
Bkkm4—53 to 74 centimeters (20.9 to 29.1 inches); very pale brown (10YR 8/2) cemented material; strongly coherent; 15 percent by volume very strongly coherent cemented 2-?-75 millimeter tuff, unspecified fragments; violent effervescence, by hcl, 1n; abrupt wavy boundary. Lab sample # TAMU4106; observed in pit, large or quarry
Bkkm5—74 to 86 centimeters (29.1 to 33.9 inches); very pale brown (10YR 8/2) cemented material; strongly coherent; fragments; violent effervescence, by hcl, 1n; abrupt wavy boundary. Lab sample # TAMU4107; observed in pit, large or quarry
BCk1—86 to 124 centimeters (33.9 to 48.8 inches); very pale brown (10YR 8/2) very gravelly coarse sandy loam; fragments; violent effervescence, by hcl, 1n; abrupt wavy boundary. Lab sample # TAMU4108; observed in pit, large or quarry
BCk2—124 to 203 centimeters (48.8 to 79.9 inches); very pale brown (10YR 8/2) very paracobbly coarse sandy loam; 25 percent by volume nonflat subrounded moderately coherent cemented 75-?-250 millimeter tuff, unspecified fragments and 25 percent by volume nonflat subrounded moderately coherent cemented 2-?-75 millimeter tuff, unspecified fragments; violent effervescence, by hcl, 1n; abrupt wavy boundary. Lab sample # TAMU4109; observed in pit, large or quarry