- into
solid rock, it is
known as the
sedimentary rock
tillite.
Matching beds of
ancient tillites on
opposite sides of the
south Atlantic Ocean provided...
- very
large clasts set in a finer-grained matrix, are
interpreted to be
tillites of
glacial origin. The
sediments are
organised into
units interpreted to...
- of co****-grained
material and many
glacial deposits are conglomeratic.
tillites, the
sediments deposited directly by a glacier, are
typically poorly sorted...
- pole.
Glacial centres expanded across the continents,
producing glacial tillites and
striations in pre-existing rocks. A
complex centre of
glaciation migrated...
-
Vendian was
suggested to be
defined at the base of the
Varanger (Laplandian)
tillites. The
Vendian in its type area
consists of
large subdivisions such as Laplandian...
- The Cancañiri Formation, also
named as Cancañiri
Tillite, is a
Katian to
Hirnantian geologic formation of
central Bolivia. The pebbly,
argillaceous sandstones...
-
glacial moraines, drumlins,
valley cutting, and the
deposition of till or
tillites and
glacial erratics.
Successive glaciations tend to
distort and erase...
-
fluctuations are best
explained by a
sequence of glaciations, but the lack of
tillites in the
middle to late
Silurian make this
explanation problematic. The Silurian...
-
overlooks the
Olentangy Glacier. From
south to
north it
includes Polygon Spur,
Tillite Spur, Red Spur and
Mount Huckaby. The
southern m****if lies
between Olentangy...
-
named by
NZGSAE (1961–62)
because it
contains outcrops of
ancient moraine (
tillite),
indicative of
glacial action in
remote Paleozoic times. 83°47′S 166°55′E...