- plagioclase-olivine
phyric basalt,
where plagioclase is
listed before the
olivine because of its
larger crystals.
Categorizing a rock as
aphyric or as sp****ly
phyric is...
-
Porphyry (/ˈpɔːrfəri/ POR-fə-ree) is any of
various granites or
igneous rocks with co****-grained
crystals such as
feldspar or
quartz dis****d in a fine-grained...
-
ultramafic lithology. They fall into
three main groups, the basaltic, olivine-
phyric (such as the
Tissint group found in
Morocco in 2011) and
Lherzolitic shergottites...
-
species used as a prefix, e.g. "olivine-bearing picrite" or "orthoclase-
phyric rhyolite".[citation needed] The IUGS
recommends classifying igneous rocks...
- 93 mi)
thick Syferfontein Formation. It is
composed of feldspar-quartz-
phyric felsic volcanic rocks,
basaltic to
andesitic lava, tuff and
breccia and...
-
Redcloud Cliff in the form of
pumice and lava
flows made of hornblende-
phyric, or
chemically evolved, rhyodacite.
During this
period of the late Pleistocene...
- the
MacEwen family. The
larger part of the
island is
formed from olivine-
phyric basalt flows erupted during the Palaeocene.
Flows of
hawaiite can also be...
- Benn
exhibit rock of the
Birker Fell Formation,
composed of plagioclase-
phyric andesite lavas with
subordinate sills.
Between the two is an area of garnet...
- quartz-feldspar porphyries,
quartz monzonite porphyries, and
other feldspar-
phyric intrusives in the late
Eocene to the mid-Oligocene,
which form sills, ****s...
-
Tarns Formation to the
north west.
Border end
shows outcropping plagioclase-
phyric andesite lavas of the
Birker Fell Formation. Hard
Knott reaches a height...
