- petrology,
Cambridge University Press, 460pp. Arndt,
Nicholas (2011). "
Metasediments".
Encyclopedia of Astrobiology. Springer, Berlin, Heidelberg. pp. 1021–1022...
-
these metasediments to be of
Paleoproterozoic age,
similar to the
rocks of the Loch
Maree Group. The
relationship between these metasediments and Scourian...
-
electron micrograph of
detrital zircons from the
Hadean (4.404 ± 0.008 Ga)
metasediments of the Jack Hills,
Narryer Gneiss terrane,
Western Australia...
-
parts of
Colombia and Brazil. The
rocks of the
Guiana Shield consist of
metasediments and
metavolcanics (greenstones)
overlain by sub-horizontal
layers of...
- of its
commercial uses.
Phyllite is
commonly found in the
Dalradian metasediments of
northwest Arran. In
north Cornwall,
there are
Tredorn phyllites and...
-
exceptions rocks are of
Archean and
Proterozoic age. Granites, gneiss,
metasediments and
metavolcanics are
common rocks while greenstone belts are recurring...
-
ridge over 2500m high for 16 km. The west half is
composed of
friable metasediments (schists)
which break down to form
smooth slopes, and so give easy walking...
- shales, to the youngest,
upper most
Kundelungu Group including glacial metasediments and a cap carbonate. The
Katanga Supergroup correlates with
rocks of...
- volcanic, sedimentary, and
plutonic rocks and low-grade
metavolcanics and
metasediments.
Almost half of the
terranes consist of
alkaline granites. The rocks...
-
Although most of the
metasediments forming the HHCS are of late
Proterozoic to
early Cambrian age, much
younger metasediments can also be
found in several...
