-
original volcanic rock to recrystallize.
Metavolcanic rocks are
sometimes described informally as
metavolcanics. When it is
possible to
determine the original...
- Brazil. The
rocks of the
Guiana Shield consist of
metasediments and
metavolcanics (greenstones)
overlain by sub-horizontal
layers of sandstones, quartzites...
- Shimoga-Goa
Greenstone Belt in the
Western Ghats (an area
composed of
metavolcanics, iron
formations and
ferruginous quartzite),
yields evidence for Acheulean...
- The
Temagami Greenstone Belt (TGB) is a
small 2.7 billion year old
greenstone belt in the
Temagami region of
Northeastern Ontario, Canada. It represents...
- of
Archean and
Proterozoic age. Granites, gneiss,
metasediments and
metavolcanics are
common rocks while greenstone belts are
recurring features. More...
-
shield geology, the term "volcanic" is
often applied to what are
strictly metavolcanic rocks.
Volcanic rocks and
sediment that form from
magma erupted into...
- The
soils of the Sa'isi Tsa'ida Imba
woreda (district) in
Tigray (Ethiopia)
reflect its
longstanding agricultural history,
highly seasonal rainfall regime...
-
sericite and
chlorite slate and
schist that
contain minor amounts of
metavolcanic rocks, metaconglomerates, and quartzite.
These rocks are
intruded by...
-
Spear Nunatak,
Strickland Nunatak and
Savage Nunatak. It p****es the
Metavolcanic Mountain to the east and the
Watson Escarpment to the west. Past the...
- were
likely shallowly emplaced beneath the
volcanic arc in
which the
metavolcanics and
metasediments of the
Granite Gorge Metamorphic Suite ac****ulated...
