-
which case the
texture is
known as
porphyritic. A
granitic rock with a
porphyritic texture is
known as a
granite porphyry.
Granitoid is a general, descriptive...
- of
crystals appearing clearly much
bigger than the rest, as in a
porphyritic granite. The term
comes from the
Ancient Gr**** πορφύρα (porphyra), meaning...
-
Granodiorite consists of
medium to co****-grained,
weakly to
strongly porphyritic granite with
phenocrysts of gray to pink pot****ium
feldspar up to 3 cm (1...
- and have
specific gravities less than 3. The most
common felsic rock is
granite.
Common felsic minerals include quartz, muscovite, orthoclase, and the...
- The
Rollstone Boulder is a ten-foot-tall, 110-ton
porphyritic granite glacial erratic located on a
traffic island in
downtown Fitchburg, M****achusetts...
-
quartzose sandstone, siltstone, hornfels,
porphyritic granite,
basic rocks and fine-grained
reddish granite.
Basic ****s of
similar lithology to the matrix...
-
crystals easily distinguishable with the eye, as in
granite. Most
igneous rocks have some
degree of
porphyritic texture. This is
because most
magma from which...
- Uibok-ri, Gyehwa-myeon, small-scale
biotite gneiss is
captured within a
porphyritic granite body.
Precambrian gneisses are
distributed on a
small scale in the...
-
important symbol in
American history.
Rollstone Boulder, a 110-ton
porphyritic granite boulder that was
originally located at the
summit of
Rollstone Hill...
-
banded iron
formation and
other exotics,
intruded by
minor m****es of
porphyritic granite.
Detrital zircons in the
Jimperding Gneiss Complex range in age from...
