PROFILE #8
Ap—0 to 12 cm; dark yellowish brown (10YR 4/4) fine sandy
loam; weak medium subangular blocky structure; very
friable; many fine and medium roots; common organic
coatings; few wormcasts; abundant active fire ant cavities;
strongly acid; clear smooth boundary.
Bt1—12 to 40 cm; red (2.5YR 4/6) clay loam; moderate
medium subangular blocky structure; friable; common fine
and medium roots; many tubular pores (abandoned root
channels); few distinct clay films on faces of peds;
common active fire ant cavities; very strongly acid; clear
wavy boundary.
Bt2—40 to 86 cm; red (2.5YR 4/6) clay loam; moderate
medium subangular blocky structure; firm; common
distinct clay films on faces of peds; very strongly acid;
clear wavy boundary.
Bt3—86 to 140 cm; red (2.5YR 4/6) clay loam; common
medium prominent yellowish brown (10YR 5/4) redox
depletions; weak medium and coarse prismatic structure
parting to moderate medium subangular blocky; very firm;
few tubular pores (abandoned root channels); many
distinct clay films on faces of peds; few highly weathered
quartz pebbles less than 3 cm in diameter; very strongly
acid; gradual wavy boundary.
Bt4—140 to 280 cm; red (2.5YR 4/6) clay; common medium
prominent light brownish gray (10YR 6/2) and common
medium prominent brownish yellow (10YR 6/6) redox
depletions; weak medium and coarse prismatic structure
parting to weak medium subangular blocky; very firm;
common tubular pores (abandoned root channels); common
faint clay films on faces of peds; few black stains on faces
of peds; strongly acid; gradual wavy boundary.
Bt5—280 to 430 cm; yellowish red (5YR 4/6) clay; common
medium prominent gray (10YR 6/1) and common medium
prominent red (2.5YR 4/6) redox depletions and
concentrations; weak medium and coarse prismatic
structure parting to moderate medium subangular blocky;
very firm; few faint clay films on faces of peds; 5 percent
rounded quartzite gravel; very strongly acid; clear wavy
boundary.
2C1—430 to 530 cm; stratified yellow (10YR 8/6), red (2.5YR
5/6), and gray (N 6/0) loamy sand; firm; few mica flakes;
very strongly acid; abrupt wavy boundary.
3C2—530 to 900 cm; stratified red (2.5YR 5/6) and yellowish
brown (10YR 5/6) very gravelly sandy loam; very firm; 60
percent rounded quartzite gravel; few highly weathered,
gray and light gray pebbles; very strongly acid.