- forth.
Orthogneiss designates a
gneiss derived from an
igneous rock, and
paragneiss is one from a
sedimentary rock. Both the BGS and the IUGS use gneissose...
- The K2
Gneiss consists of a
mixture of
orthogneiss and biotite-rich
paragneiss. On the
south and
southeast face of K2, the
orthogneiss consists of a...
-
presents a
composition that is
predominantly of
metamorphic rock
shale and
paragneiss, with
migmatic granite.
Although located in a
region of
oceanic climate...
-
Garnet paragneiss,
Nuvvuagittuq Greenstone Belt, Canada. 4.28 Ga old: the
oldest known Earth rock of
which direct samples are available....
-
controversial and is
sometimes ****igned to the Sub-Penninic nappes.
Rocks in the
paragneiss of the
Monte Rosa
Nappe record eclogite-facies metamorphism. The deformation...
- in age. The
oldest rocks on
mainland Donegal are a quartzo-feldspathic
paragneiss found around Lough Derg,
which have been
dated to 1.713
billion years...
-
Scotia Ridge contained glacial striations, such as pelite, sandstone,
paragneiss, granitoids, biotite-quartz schists,porphyrites and tonalite. Beniest...
- gneiss");
flanked on both
sides by
zones of mica
schist or
paragneiss. The
northern paragneiss zone
contains lenses of
various lithologies, such as calcareous...
- to
Jining Complex in the east.
Pelitic granulites, quartzite,
felsic paragneiss and marble,
which are the
members of the "khondalite series", are exposed...
- from the tonalite-trondhjemite-granodiorite ****ociation),
greenstone and
paragneiss.
Although these rocks formed in the
Mesoarchean and Neoarchean, they were...
