- environments.
Dropstones differ from
erratics found in
glacial till in that they are
deposited in a lake or
marine environments.
Dropstones may also be...
-
northeast of Lake Huron, with
giant layers of now-lithified till beds,
dropstones, varves, outwash, and
scoured ba****t rocks.
Correlative Huronian deposits...
- 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...
-
glacial movements for
periods prior to
record retention. Also
known as
dropstones,
these can be
correlated with
ocean temperatures and
levels to better...
- 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...
-
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...
- This
palaeomagnetic location of
apparently glacial sediments (such as
dropstones) has been
taken to
suggest that
glaciers extended from land to sea level...
-
modern Iberian Peninsula,
based on the
existence of
Hauterivian ice-rafted
dropstones in Iberia. Cold
conditions are also
known to have
existed in the Southern...
- name-bearing
section at
Gaskiers (Newfoundland) is
packed full of
striated dropstones. Its δ13C
values are very low (pushing 8‰),
consistent with a
period of...
- ice
sheets to the
north deposited a 1 km-thick
layer of mud
containing dropstones of
varying origins and
sizes into this basin. This
became the
Dwyka Group...
