ACID SULFATE SOILS - Sawgal.umd.edu - University of Maryland
ACID SULFATE SOILS - Sawgal.umd.edu - University of Maryland
ACID SULFATE SOILS - Sawgal.umd.edu - University of Maryland
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Fe forms<br />
with depth<br />
in same<br />
pr<strong>of</strong>ile,<br />
previous<br />
pages, after<br />
Wagner,<br />
1982.<br />
Silicate Fe,<br />
mainly in<br />
glauconite,<br />
accounts for<br />
the biggest<br />
share <strong>of</strong> Fe<br />
at all<br />
depths. The<br />
implication<br />
is that the<br />
bulk <strong>of</strong> the<br />
Fe <strong>of</strong> the Fe<br />
oxides and<br />
jarosite in<br />
the oxidized<br />
zone came<br />
from Fe<br />
sulfides in<br />
the parent<br />
material <strong>of</strong><br />
these<br />
horizons.<br />
Note change<br />
in depth<br />
scale below<br />
3.0 meter<br />
depth.<br />
THE FOLLOWING 3 PAGES REPRODUCED FROM THE TOUR GUIDE FOR<br />
THE WCSS TOUR IN 2006 ARE PROVIDED TO GIVE MORE INFORMATION<br />
ON THIS SITE AND TO SHOW THE WORM-BURROWED (WE THINK)<br />
SILICA-CEMENTED FOSSIL LOG, PRESUMABLY ERODED FROM THE<br />
CLIFF HERE AT RETREAT HOUSE SITE, WHICH UNFORTUNATELY HAS<br />
DISAPPEARED, PERHAPS BENEATH THE NOW DEEPER, THAN IN JULY<br />
2006, WATERS IN FRONT OF THE CLIFF.<br />
31
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