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Dropstones are
isolated fragments of rock
found within finer-grained water-deposited
sedimentary rocks or
pyroclastic beds. They
range in size from small...
- have
occurred during this so-called "cold snap", as
evidenced by
glacial dropstones in the
western parts of the
Tethys Ocean and the
expansion of calcareous...
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present or on
older sediments. The
ejecta at
Kilbourne Hole
contains dropstones launched as bombs,
usually greater than 2.5
inches across and a large...
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train but is
eventually discovered by the pair. The
train makes a stop in
Dropstone, a town
celebrating the
fiftieth anniversary of its founding. As they...
- Bond
event Glacial debris Drift station, a
facility built on an ice floe
Dropstone Swallow float Glacial erratic Bischof, Jens (January 2002). "Ice In The...
- the ac****ulation of snow,
though there may have been
mountain glaciers.
Dropstones and
glendonites in
northeastern Siberia during the
Early to
Middle Jur****ic...
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glacial movements for
periods prior to
record retention. Also
known as
dropstones,
these can be
correlated with
ocean temperatures and
levels to better...
- of the
mineral were
found in a "float boulder" (a
glacial erratic, or
dropstone) on the
north side of
Kangaroo Ridge at an
approximate elevation of 6...
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Pangaea (the
southernmost portion of
Pangaea was Gondwana). Ice-rafted
dropstones sourced from
Russia are
indicators of this
northern boundary. The Jur****ic...
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northeast of Lake Huron, with
giant layers of now-lithified till beds,
dropstones, varves, outwash, and
scoured ba****t rocks.
Correlative Huronian deposits...