IDENTIFIERS
Current Taxon Name (Soil Name):
Corazones
OSD
Series Extent
User Site ID:
S1991-TX043-002-copy
User Pedon ID:
S1991-TX043-002-copy
Lab Information:
Certified Lab Pedon Description -
yes
Lab Source ID -
SSL
Lab Pedon # -
91P0460
NCSS Pedon Lab Data NASIS Record ID -
63503
Print Date:
11/12/2024
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:
29.6324997
Std. Longitude:
-103.0725021
Datum:
WGS84
Location Description:
from the junction of US 90 and US 385 in Marathon; 38.9 miles south on US 385; 7.2 miles southeast on Ranch road 2627; 30 feet north of road in range (0.5 miles past the entrance to Black Gap wildlife management area)
Map Unit:
COE—Corazones very gravelly sandy loam, 1 to 30 percent slopes
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:
TX622—Brewster County, Texas (Main Part)
7.5 Minute USGS Quad:
29103-F1—Bone Spring NE, Texas
PEDON
Describers Name:
Rex Cochran
Current Taxonomic Class:
Loamy-skeletal, mixed, superactive, hyperthermic Typic Haplocalcids
Current Taxon Kind:
series
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from SSL-CMS data
Pedon #:
2
Correlated Information:
Soil Name -
Corazones
PSC -
25 to 100 cm.
Classificaton Date -
7/27/2015
Classifier -
Lynn Loomis
Soil Taxonomic Edition -
twelfth edition
Moisture Class -
aridic (torric)
Moisture Subclass -
typic
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
Certification Status:
certified
QC Status:
level 1
SITE
Parent Material:
alluvium derived from igneous rock
Landform:
alluvial fan
Geomorphic Component Hills:
side slope
Hill Slope Profile:
footslope
Slope Position:
lower third
Slope Shape Down:
concave
Runoff:
medium
Drainage Class:
well
Surface Fragments:
70.00 percent
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
1/1/1991 (actual site observation date)
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
ochric epipedon
cambic horizon
calcic horizon
0—8
8—20
20—152
—-
—-
—-
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
14
—
—
817
—
270
240
860
—
20.3
—
—
—
—
—
—
—
PRISM
—
—
A1—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 5/3), brown (10YR 4/3), moist; very gravelly loam; weak fine granular structure; slightly hard, very friable; 2.5 fine and medium roots throughout; 5 percent by volume 2-39-75 millimeter limestone, unspecified fragments and 40 percent by volume 2-39-75 millimeter igneous, unspecified fragments; violent effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # 91P02630. common fine and medium roots throughout; effervescence is continuous
A2—8 to 20 centimeters (3.1 to 7.9 inches); brown (10YR 5/3), brown (10YR 4/3), moist; very cobbly loam; moderate medium granular structure; slightly hard, very friable; 2.5 fine and medium roots throughout; 3 percent by volume 2-39-75 millimeter limestone, unspecified fragments and 15 percent by volume 2-39-75 millimeter igneous, unspecified fragments and 20 percent by volume 75-162-250 millimeter igneous, unspecified fragments; violent effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 91P02631. common fine and medium roots throughout; effervescence is continuous
Bk1—20 to 46 centimeters (7.9 to 18.1 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; very cobbly loam; moderate medium granular structure; slightly hard, very friable; 0.5 fine and medium roots throughout; 37 percent prominent white (10YR 8/1) carbonate coats on rock fragments; 5 percent by volume 75-162-250 millimeter limestone, unspecified fragments and 18 percent by volume 2-39-75 millimeter igneous, unspecified fragments and 20 percent by volume 75-162-250 millimeter igneous, unspecified fragments; violent effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # 91P02632. common lime or carbonate coats surface features on rock fragments; few fine and medium roots throughout; effervescence is continuous; continuous - phpvsfiid 1209937; continuous - phpvsfiid 1209937
Bk2—46 to 97 centimeters (18.1 to 38.2 inches); pink (7.5YR 7/4), light brown (7.5YR 6/4), moist; very gravelly loam; weak medium granular structure; slightly hard, very friable; 15 percent prominent white (10YR 8/1) carbonate coats on rock fragments; 3 percent by volume 75-162-250 millimeter igneous, unspecified fragments and 3 percent by volume 2-39-75 millimeter limestone, unspecified fragments and 50 percent by volume 2-39-75 millimeter igneous, unspecified fragments; violent effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # 91P02633. few lime or carbonate coats surface features on rock fragments; effervescence is continuous; continuous - phpvsfiid 1209938; continuous - phpvsfiid 1209938
Bk3—97 to 152 centimeters (38.2 to 59.8 inches); pink (7.5YR 7/4), light brown (7.5YR 6/4), moist; very gravelly sandy loam; weak medium granular structure; slightly hard, very friable; 15 percent distinct white (10YR 8/1) carbonate coats on rock fragments; 3 percent by volume 2-39-75 millimeter limestone, unspecified fragments and 5 percent by volume 75-162-250 millimeter igneous, unspecified fragments and 40 percent by volume 2-39-75 millimeter igneous, unspecified fragments; violent effervescence, by hcl, 1n. Lab sample # 91P02634. few lime or carbonate coats surface features on rock fragments; effervescence is continuous; discontinuous - phpvsfiid 1209939; discontinuous - phpvsfiid 1209939