IDENTIFIERS
Current Taxon Name (Soil Name):
Wockley
OSD
Series Extent
User Site ID:
S1988TX201001
User Pedon ID:
88TX201001
Lab Information:
Certified Lab Pedon Description -
yes
Lab Source ID -
KSSL
Lab Pedon # -
89P0030
NCSS Pedon Lab Data NASIS Record ID -
61135
Print Date:
4/26/2025
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:
30.0499992
Std. Longitude:
-95.8744431
Datum:
WGS84
Location Description:
Harris County, TX. 2.0 mi NW of Hockley on US290; 0.9 mi N on Kickapoo road; 40 meters W in pasture. UTM Zone 15, 3327610 meters N 222840 meters E, Atlas Sheet 16, Harris County soil survey.
State:
Texas
County:
TX201—Harris
MLRA:
150A—Gulf Coast Prairies
PEDON
Describers Name:
J. Jacobs, G. Chervenka, J. Greenwade, L. Wilding
Current Taxonomic Class:
Fine-loamy, mixed, active, thermic Plinthaquic Paleudalfs
Current Taxon Kind:
series
Pedon Type:
classifies to current taxon name, full description
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from SSL-CMS data
Pedon #:
1
Correlated Information:
Soil Name -
Wockley
PSC -
74 to 124 cm.
Classificaton Date -
7/11/2007
Moisture Class -
udic
Moisture Subclass -
aquic
Sampled As Information:
Soil Name -
Wockley
Taxonomic Class -
Fine-loamy, mixed, thermic Plinthaquic Paleudalfs
Taxon Kind -
series
Classificaton Date -
8/1/1988
Moisture Class -
udic
Moisture SUBClass -
aquic
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
Certification Status:
certified
QC Status:
level 1
QA Status:
level 1
SITE
Drainage Class:
somewhat poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
8/1/1988 (actual site observation date)
Surface Cover Properties:
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Site Erosion Accelerated:
water erosion
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
—
—
—
75
—
132
—
—
21
28
13
—
—
—
—
—
—
—
—
A p—0 to 10 centimeters (0.0 to 3.9 inches); grayish brown (10YR 5/2) interior, light brownish gray (10YR 6/2) interior, dry; fine sandy loam; weak fine granular structure; slightly hard; 5.5 fine roots top of horizon; 0.5 very fine interstitial pores; fragments; moderately acid, pH 6.0, hellige-truog; abrupt smooth boundary. Lab sample # 89P00303. many fine roots in mat at top of horizon
A—10 to 23 centimeters (3.9 to 9.1 inches); brown (10YR 4/3) interior, light brownish gray (10YR 6/2) interior, dry; fine sandy loam; 1 percent yellowish brown (10YR 5/6) fine faint mottles; weak fine subangular blocky structure; hard; 0.5 very fine roots throughout; 0.5 very fine interstitial pores; 1 percent medium spherical iron concretions; fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # 89P00304. few cray fish krotovinas; few medium iron concretions concentrations; few very fine roots throughout; few fine faint 10YR56 mottles
E—23 to 46 centimeters (9.1 to 18.1 inches); grayish brown (10YR 5/2) interior, light brownish gray (10YR 6/2) interior, dry; fine sandy loam; 11 percent yellowish brown (10YR 5/4) medium distinct mottles; weak fine subangular blocky structure; hard; 5.5 very fine roots throughout; 0.5 very fine interstitial and tubular pores; 1 percent ironstone nodules and 11 percent fine spherical iron concretions; fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 89P00305. few plinthite nodules; common fine iron concretions concentrations; few ironstone nodules concentrations; many very fine roots throughout; common medium distinct 10YR54 mottles
BE—46 to 74 centimeters (18.1 to 29.1 inches);, pale brown (10YR 6/3) interior and 1 percent brownish yellow (10YR 6/6), dry; fine sandy loam; 11 percent yellowish brown (10YR 5/8) medium distinct mottles; weak coarse prismatic, and moderate medium subangular blocky structure; very hard; 5.5 very fine roots throughout; 0.5 very fine interstitial pores; 1 percent ironstone nodules and 11 percent fine spherical iron concretions; fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 89P00306. few plinthite nodules; common fine iron concretions concentrations; few ironstone nodules concentrations; many very fine roots throughout; common medium distinct 10YR58 mottles
B t1—74 to 97 centimeters (29.1 to 38.2 inches); light brownish gray (10YR 6/2) interior, light gray (10YR 7/2) interior, dry; sandy clay loam; 11 percent yellowish brown (10YR 5/6) medium distinct mottles; weak coarse prismatic, and weak medium subangular blocky structure; very hard; 5.5 fine roots throughout; 0.5 very fine interstitial pores; 2 percent faint brown (10YR 5/3) clay films on faces of peds and 15 percent clay films; 1 percent ironstone nodules and 30 percent medium spherical iron concretions; fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 89P00307. common plinthite (10%) nodules; mottle (10YR 5/6) on inter peds; many medium iron concretions concentrations; few ironstone nodules concentrations; very few clay films surface features on faces of peds; few clay films surface features; many fine roots throughout; common medium distinct 10YR56 mottles; patchy - phpvsfiid 1163998; patchy - phpvsfiid 1163998
B t2—97 to 127 centimeters (38.2 to 50.0 inches); light brownish gray (10YR 6/2) interior, light gray (10YR 7/2) interior, dry; gravelly sandy clay loam; 11 percent yellowish brown (10YR 5/6) medium distinct mottles; moderate medium subangular blocky, and weak medium prismatic structure; very hard; 0.5 very fine roots in cracks; 2 percent distinct brown (10YR 5/3) clay films on faces of peds; 1 percent coarse iron-manganese concretions and 30 percent spherical iron concretions; fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 89P00308. plinthite nodules; krotovina make up 10-20 of horizon, color (10YR 5/2); reticulate mottles (10YR 7/2), (10YR 5/6), (7.5YR 5/8); many iron concretions concentrations; few coarse iron-manganese concretions concentrations; very few clay films surface features on faces of peds; few very fine roots in cracks; common medium distinct 10YR56 mottles; continuous - phpvsfiid 1164000; continuous - phpvsfiid 1164000
B t3—127 to 188 centimeters (50.0 to 74.0 inches); light brownish gray (10YR 6/2) interior, light gray (10YR 7/2) interior, dry; gravelly sandy clay loam; 11 percent yellowish brown (10YR 5/6) coarse distinct mottles; weak medium prismatic, and moderate medium subangular blocky structure; very hard; 0.5 very fine roots in cracks; 2 percent distinct brown (7.5YR 5/2) clay films on faces of peds; 11 percent iron-manganese concretions and 30 percent spherical iron concretions; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 89P00309. mottles in ped interior, reticulate mottles (10YR 7/2), (10YR 5/6), (7.5YR 5/8); many iron concretions concentrations; common iron-manganese concretions concentrations; very few clay films surface features on faces of peds; few very fine roots in cracks; common coarse distinct 10YR56 mottles; continuous - phpvsfiid 1164003; continuous - phpvsfiid 1164003
B t4—188 to 224 centimeters (74.0 to 88.2 inches);, yellowish brown (10YR 5/8) interior, dry; gravelly sandy clay loam; 11 percent light gray (10YR 7/2) medium distinct mottles; weak medium prismatic, and weak medium subangular blocky structure; very hard; 0.5 very fine roots in cracks; 2 percent faint grayish brown (10YR 5/2), dry, clay films on faces of peds; 30 percent spherical iron concretions and 30 percent coarse iron-manganese concretions; fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 89P00310. many iron concretions concentrations; many coarse iron-manganese concretions concentrations; very few clay films surface features on faces of peds; few very fine roots in cracks; common medium distinct 10YR72 mottles; patchy - phpvsfiid 1163997; patchy - phpvsfiid 1163997
B t5—224 to 251 centimeters (88.2 to 98.8 inches);, yellowish brown (10YR 5/6) interior, dry; clay loam; 11 percent light gray (10YR 7/2) medium distinct mottles; weak medium subangular blocky, and weak medium prismatic structure; very hard; 2 percent faint grayish brown (10YR 5/2), dry, clay films on faces of peds; 1 percent iron-manganese concretions; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 89P00311. few iron-manganese concretions concentrations; very few clay films surface features on faces of peds; common medium distinct 10YR72 mottles; patchy - phpvsfiid 1164001; patchy - phpvsfiid 1164001
B t7—251 to 300 centimeters (98.8 to 118.1 inches); yellowish brown (10YR 5/8) clay loam; 1 percent dark grayish brown (10YR 4/2) fine distinct and 1 percent reddish brown (5YR 4/4) medium prominent and 30 percent very pale brown (10YR 7/3) coarse prominent mottles; moderate medium subangular blocky, and weak coarse prismatic structure; hard, firm; 37 percent , moist, clay films on vertical faces of peds; 11 percent ironstone nodules; fragments. within the matrix there are a few patchy clay films along the secondary structure; clay binding most of sand and silt grains; gray ped surfaces are believed to be indicative of active reduction processes; common ironstone nodules concentrations; common clay films surface features on vertical faces of peds; few fine distinct 10YR42 mottles; few medium prominent 5YR44 mottles; many coarse prominent 10YR73 mottles; patchy - phpvsfiid 1164002; patchy - phpvsfiid 1164002
B t8—300 to 371 centimeters (118.1 to 146.1 inches); yellowish brown (10YR 5/8) clay loam; 11 percent reddish brown (5YR 4/4) medium mottles; moderate medium subangular blocky structure; very hard, firm; fragments. Lab sample # 89P00313. gray (7.5YR 5/1) and very dark gray (7.5YR 3/1) ferromanganese stains; metallic sheen; mainly in old root traces in yellowish brown (10YR 5/8) matrix; clay films mainly in yellowish brown matrix; common medium 5YR44 mottles
BC—371 to 401 centimeters (146.1 to 157.9 inches); yellowish brown (10YR 5/8) clay loam; 11 percent reddish brown (5YR 4/4) medium mottles; weak coarse subangular blocky structure; very hard, firm; fragments. gray (7.5YR 5/1) and very dark gray (7.5YR 3/1) ferromanganese stains, metallic sheen, mainly in old root traces in yellowish brown (10YR 5/8) matrix; clay films mainly in yellowish brown matrix; 1/4 5% ironstone, 5mm to 10mm diameter; common medium 5YR44 mottles
2CB z—401 to 450 centimeters (157.9 to 177.2 inches); 50 percent yellowish brown (10YR 5/8) and 50 percent pinkish gray (5YR 7/2) silty clay; 30 percent light red (2.5YR 6/6) coarse distinct and 30 percent dark brown (7.5YR 3/4) coarse prominent mottles; moderate angular blocky structure; extremely hard, very firm; fragments. with 1mm to 3mm interbedded pinkish sandy strata; occasional slickensides; some white salt crystals visible in the matrix; many coarse distinct 2.5YR66 mottles; many coarse prominent 7.5YR34 mottles
2C 1—450 to 551 centimeters (177.2 to 216.9 inches); 10 percent yellowish brown (10YR 5/6) and 20 percent weak red (10R 4/4) and 70 percent light gray (5Y 7/2) silty clay; weak coarse prismatic, and strong fine and medium angular blocky structure; extremely hard, very firm, moderately plastic; fragments. Lab sample # 89P00316. thin 1mm to 2mm lenses of fine sand; few dark gray (7.5YR 4/0) manganese stains; mainly in gray matrix
2C 2—551 to 610 centimeters (216.9 to 240.2 inches); 50 percent weak red (10R 4/4) and 50 percent light gray (5Y 7/2) silty clay; weak coarse prismatic, and strong fine and medium angular blocky structure; fragments.