IDENTIFIERS
Current Taxon Name (Soil Name):
Roca
OSD
Series Extent
User Site ID:
S1986NV013304
User Pedon ID:
86NV013304
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
86P0767
NCSS Pedon Lab Data NASIS Record ID -
59061
Print Date:
2/16/2025
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:
41.0526810
Std. Longitude:
-117.3973389
Datum:
WGS84
Location Description:
Fenceline about 2 mi W of Lone Butte, Stop 62.
State:
Nevada
County:
NV013—Humboldt
MLRA:
24—Humboldt Basin and Range Area
PEDON
Current Taxonomic Class:
Loamy-skeletal, mixed, superactive, frigid Xerollic Haplargids
Current Taxon Kind:
taxadjunct
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from SSL-CMS data
Pedon #:
304
Correlated Information:
Soil Name -
Roca
PSC -
23 to 66 cm.
Classificaton Date -
2/1/2010
Moisture Class -
xeric
Moisture Subclass -
xeric
Sampled As Information:
Soil Name -
Roca
Taxonomic Class -
Clayey-skeletal, montmorillonitic, frigid Xerollic
Taxon Kind -
series
Classificaton Date -
8/1/1986
Moisture Class -
aridic (torric)
Moisture SUBClass -
xeric
Dynamic Soil Properties:
Erosion Class -
2
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Landform:
hillside or mountainside
Slope Shape Down:
convex
Runoff:
high
Drainage Class:
well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
8/1/1986 (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
argillic horizon
0—15
23—66
—-
—-
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
27
—
—
1709
—
180
28
—
—
6
—
—
8
—
—
—
—
—
—
—
1A1—0 to 5 centimeters (0.0 to 2.0 inches); dark brown (10YR 3/3) interior, light brownish gray (2.5Y 6/2) interior, dry; very cobbly loam; 50 percent sand; 40 percent silt; weak medium platy structure; soft, very friable, nonsticky, nonplastic; 5.5 very fine roots; 5.5 very fine vesicular and 5.5 very fine interstitial pores; 2 percent by volume 250-425-600 millimeter mixed fragments and 5 percent by volume 2-39-75 millimeter mixed fragments and 20 percent by volume 75-162-250 millimeter mixed fragments; slightly alkaline, pH 7.8, hellige-truog; abrupt wavy boundary. Lab sample # 86P04616. many very fine roots
1A2—5 to 15 centimeters (2.0 to 5.9 inches); dark brown (10YR 3/3) interior, light brownish gray (10YR 6/2) interior, dry; very cobbly loam; 50 percent sand; 35 percent silt; weak medium platy structure; soft, very friable, slightly sticky, slightly plastic; 5.5 very fine roots; 5.5 very fine interstitial and 5.5 very fine vesicular pores; 2 percent by volume 250-425-600 millimeter mixed fragments and 5 percent by volume 2-39-75 millimeter mixed fragments and 20 percent by volume 75-162-250 millimeter mixed fragments; moderately alkaline, pH 8.0, hellige-truog; abrupt wavy boundary. Lab sample # 86P04617. many very fine roots
1BA—15 to 23 centimeters (5.9 to 9.1 inches); brown (10YR 4/3) interior, pale brown (10YR 6/3) interior, dry; extremely cobbly clay loam; 35 percent sand; 33 percent silt; moderate fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 5.5 very fine roots and 0.5 fine and medium roots; 5.5 very fine interstitial pores; 2 percent by volume 250-425-600 millimeter mixed fragments and 5 percent by volume 2-39-75 millimeter mixed fragments and 20 percent by volume 75-162-250 millimeter mixed fragments; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 86P04618. many very fine roots; few fine and medium roots
1Bt1—23 to 36 centimeters (9.1 to 14.2 inches); brown (10YR 4/3) interior, brown (10YR 5/3) interior, dry; extremely cobbly clay; 30 percent sand; 30 percent silt; strong fine subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 2.5 very fine roots and 0.5 fine roots; 2.5 very fine and fine tubular pores; 15 percent distinct clay films on faces of peds and in pores; 5 percent by volume 75-162-250 millimeter mixed fragments and 5 percent by volume 2-39-75 millimeter mixed fragments and 20 percent by volume 250-425-600 millimeter mixed fragments; neutral, pH 7.2, hellige-truog; clear wavy boundary. Lab sample # 86P04619. few clay films surface features on faces of peds and in pores; common very fine roots; few fine roots
1Bt2—36 to 66 centimeters (14.2 to 26.0 inches); yellowish brown (10YR 5/4) interior, light yellowish brown (10YR 6/4) interior, dry; very gravelly clay; 25 percent sand; 27 percent silt; strong fine angular blocky structure; very hard, firm, very sticky, very plastic; 0.5 very fine and fine roots; 2.5 very fine and fine tubular pores; 37 percent distinct clay films on faces of peds and in pores; 5 percent by volume 2-39-75 millimeter mixed fragments and 10 percent by volume 75-162-250 millimeter mixed fragments; neutral, pH 7.2, hellige-truog; abrupt wavy boundary. Lab sample # 86P04620. Common thin silica pendants on rock fragments. About 5% weathered fragments in the lower part.; common clay films surface features on faces of peds and in pores; few very fine and fine roots
1R—66 to 91 centimeters (26.0 to 35.8 inches); weathered bedrock; fragments. Weathered tuffaceous sediments thinly beded over hard quartzite at 89 cm. (the upper 5 to 8 cm can be dug with difficulty with a spade.)