Oak Ridge NEON (ORNL) Soil Descriptions

Pedon Descriptions

Pit‐level observations and field measurements reported using the standard NRCS format. They contain volume estimates for coarse fragments > 20 mm where applicable.

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Site Level Plot Summary

A narrative summary that places the sampled soil pedons in the broader context of soils and geomorphology for the entire NEON site.

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soil profile

D07 ORNL megapit soil profile 0-200 cm

soil profile

D07 ORNL megapit soil profile 11-128 cm

soil profile

D07 ORNL megapit soil profile 73-193 cm

soil profile

D07 ORNL megapit soil profile 0-3 cm

soil profile

D07 ORNL megapit soil profile 9-45 cm

soil profile

D07 ORNL megapit soil profile 27-67 cm

soil profile

D07 ORNL megapit soil profile 55-153 cm

soil profile

D07 ORNL megapit soil profile 124-200 cm

Megapit Pedon Description

Print Date Jul 22 2015
Description Date Sep 23 2013
Describer D. Moore, J. Mason, N. Hartgrove, B. Esham
Site ID S2013TN001001
Site Note This is a long term ecological monitoring plot being installed by the National Ecological Observatory Network (NEON). The existing vegetation at the site consists of northern red oak, chestnut oak, red maple, virginia pine, hickory, yellow poplar, sassafras, serviceberry, christmas fern.
Pedon ID S2013TN001001
Lab Source ID KSSL
Lab Pedon # 14N0042
Soil Name as Described/Sampled Fullerton
Classification Fine, kaolinitic, thermic Typic Paleudults
Pedon Type undefined observation
Pedon Purpose research site
Taxon Kind series
Physiographic Division Appalachian Highlands
Physiographic Province Valley and Ridge Province
Physiographic Section Tennessee section
Geomorphic Setting on shoulder of crest of river valley on ridge
Upslope Shape convex
Cross Slope Shape concave
Particle Size Control Section 19 to 69 cm.
Description origin NASIS
Country United States
State Tennessee
County Anderson
MLRA 128 -- Southern Appalachian Ridges and Valleys
Soil Survey Area TN001 -- Anderson County, Tennessee
6-KNO -- Knoxville, Tennessee
Map Unit FoC -- Fullerton-Pailo complex, 5 to 12 percent slopes
Quad Name Bethel Valley, Tennessee
Std Latitude 35.9645830
Std Longitude -84.2828060
Latitude 35 degrees 57 minutes 52.50 seconds north
Longitude 84 degrees 16 minutes 58.10 seconds west
Datum WGS84
UTM Zone 16
UTM Easting 745032 meters
UTM Northing 3983434 meters
Primary Earth Cover Tree cover
Secondary Earth Cover Hardwoods
Parent Material loamy colluvium derived from cherty limestone over clayey residuum weathered from cherty limestone
Description database KSSL
Diagnostic Features ochric epipedon 0 to 19 cm.
argillic horizon 19 to 180 cm.
Slope (%) 6.0
Elevation (meters) 348.0
Aspect (deg) 18
Drainage Class well
Horizon Details

Oi--0 to 1 centimeters (0.0 to 0.4 inches); moderately decomposed plant material; . Lab sample # 14N00163

A--1 to 10 centimeters (0.4 to 3.9 inches); very dark grayish brown (10YR 3/2) silt loam; weak fine granular structure; very friable; many very fine roots and few medium roots and many fine roots; 10 percent nonflat subrounded strongly cemented 2 to 38-millimeter chert fragments; abrupt smooth boundary. Lab sample # 14N00164

E--10 to 19 centimeters (3.9 to 7.5 inches); brown (10YR 4/3) gravelly silt loam; weak fine subangular blocky structure; very friable; many very fine roots and many medium roots and common fine roots; tubular and dendritic tubular pores; 18 percent nonflat subrounded very strongly cemented 2 to 76-millimeter chert fragments; very strongly acid, pH 4.5, pH indicator solutions; clear smooth boundary. Lab sample # 14N00165

Bt1--19 to 40 centimeters (7.5 to 15.7 inches); yellowish brown (10YR 5/4) gravelly silty clay loam; 28 percent clay; 15 percent medium faint (10YR 5/6) mottles; moderate medium subangular blocky structure; friable; common very fine roots and common fine roots; 30 percent faint clay films; 18 percent nonflat subrounded very strongly cemented 2 to 76-millimeter chert fragments; very strongly acid, pH 4.5, pH indicator solutions; clear smooth boundary. Lab sample # 14N00166

2Bt2--40 to 65 centimeters (15.7 to 25.6 inches); yellowish red (5YR 5/6) silty clay loam; 37 percent clay; 25 percent coarse distinct (7.5YR 6/6) mottles; moderate medium subangular blocky structure; friable; few fine roots; 60 percent distinct clay films; 5 percent nonflat subrounded very strongly cemented 2 to 76-millimeter chert fragments; very strongly acid, pH 4.5, pH indicator solutions; clear smooth boundary. Lab sample # 14N00167

2Bt3--65 to 147 centimeters (25.6 to 57.9 inches); red (2.5YR 4/6) extremely cobbly clay; 53 percent clay; strong medium angular blocky structure; firm; few very fine roots and few fine roots; 60 percent distinct clay films; 15 percent nonflat subangular very strongly cemented 2 to 76-millimeter chert fragments and 47 percent nonflat subrounded very strongly cemented 76 to 250-millimeter chert fragments; very strongly acid, pH 4.5, pH indicator solutions; gradual smooth boundary. Lab sample # 14N00168

2Bt4--147 to 180 centimeters (57.9 to 70.9 inches); red (2.5YR 5/6) extremely gravelly clay; 55 percent clay; 15 percent medium distinct (5YR 5/8) and 15 percent medium prominent (7.5YR 6/8) mottles; strong medium angular blocky structure; firm; 60 percent distinct clay films; 10 percent nonflat subrounded very strongly cemented 76 to 250-millimeter chert fragments and 55 percent nonflat subangular very strongly cemented 2 to 76-millimeter chert fragments; very strongly acid, pH 4.5, pH indicator solutions. Lab sample # 14N00169

Credits: This megapit soil pedon description was generously created by USDA Natural Resource Conservation Service staff, with particular thanks to Larry West, Jon Hempel, and numerous field staff.