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Mount St. Helens Post-Eruption Chemistry Database
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Collecting ash from the bottom of Weyerhaeuser truck
Title
Collecting
ash
from the
bottom
of
Weyerhaeuser
truck
Photographer
Zoller
,
William
Publisher
University
of
Washington.
Dept.
of
Chemistry
Date of photograph
1980-04
Notes
Slide
shows
the
collection
of an
ash
sample
at the
base
of that
logging
truck
that had been
destroyed.
This
allowed
us to
get
a
sample
of
ash
that had been
covered
and not
rained
on.
We
were
able
to
extract
it
to
study
the
chemistry
of
soluble
materials
that were on that
ash.
Normally
, at a
volcano
the
ash
and
debris
of
initial
eruptions
is
leached
by
rain
and
groundwater
so
that
soluble
components
have been
removed
and are
no
longer
present.
This would
give
a
false
record
of what was
contained
in the
initial
volcanic
explosion
and
initial
ash
deposit
as
it
had been
modified
by the
leaching
procedure.
Subjects (keywords)
Logging -- Machinery
Weyerhaeuser Company
Sampling
Coverage
United
States
--
Washington(State)
--
Saint
Helens
,
Mount
Digital Collection
Mt. St. Helens Post-Eruption Database
Slide ID Number
zolmsh36
Contact Info
To inquire about permissions, contact Dr. Bill Zoller at:zoller@u.washington.edu
Copyright statement
William Zoller. Database is intended for educational and instructional use; if you cite or download images, please acknowledge appropriately.
Type
image
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