- ‘ichor’, to
describe them.
Persuaded by the
close connection between migmatization and
granites in outcrop,
Sederholm considered migmatites to be an intermediary...
- of
migmatized gneiss, an
acidic rock
composed of quartz-feldspar. On the
upper slopes there is an
amphibolic face over the top of the
migmatized gneiss...
- J. D. and Naegler, T. F. (1999) "Can we
Still Trust Nd
Model Ages on
Migmatized Proterozoic Rocks?",
Early Evolution of the
Continental Crust, Journal...
-
replacing the dark biotite. The
study indicated localized melting or
migmatization within the gneiss. This was
followed by
intrusion of the
gneiss by garnet-bearing...
- Palisades. The
material in Cameron's Line is
described as "highly laminated,
migmatized,
complexly folded and
annealed zones of
commingled mylonitic rocks". Guilbert...
- are more than 3
billion years old. They were
intruded by
granites and
migmatized in
different events that date back to 2.9, 2.7, 2.4 and 1.85
billion years...
- was
converted into grey
biotite gneiss during migmatization. The grey
biotite gneiss during migmatization was
first intruded by grey
porphyritic granite...
- Kramers, and
Thomas F. Naegler. (1999) "Can we
Still Trust Nd
Model Ages on
Migmatized Proterozoic Rocks?"
Journal of
Conference Abstracts, Vol. 4, No. 1, Symposium...
- Russia. At most the belt is 80 km broad. The main
rocks of the belt are
migmatized greywacke and argillites.
Studies of
detrital zircon show that the sedimentary...
- heterogeneous, silty, and
sandy elements. Sub-gneisses that have
undergone migmatization and
granitization are mixed. The main
constituent minerals of gneiss...
