- 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...
-
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...
-
Tarns Formation to the
north west.
Border end
shows outcropping plagioclase-
phyric andesite lavas of the
Birker Fell Formation. Hard
Knott reaches a height...
- 93 mi)
thick Syferfontein Formation. It is
composed of feldspar-quartz-
phyric felsic volcanic rocks,
basaltic to
andesitic lava, tuff and
breccia and...
-
species used as a prefix, e.g. "olivine-bearing picrite" or "orthoclase-
phyric rhyolite".[citation needed] The IUGS
recommends classifying igneous rocks...
-
andesite lavas, the
Haystacks Member. A
minor intrusion of quartz-feldspar-
phyric microgranite runs
along the
crest of the ridge. To the west the
Round Hows...
-
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...
-
ridge and its
flank basalts are
mainly aphyric or sp****ly
plagioclase phyric.
Towards the end of the
Oligocene period, the
large Farallon plate, which...
- 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...
- the
third subdivision, both of
which consist of
fragmented plagioclase-
phyric rock. The
first ****
forms a 5-metre-high (16-foot)
remnant and is exposed...
