- 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...
-
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...
- a
series of steep-sided
domes of gl****y,
complexly jointed, hornblende-
phyric basalt with the most
recent eruptions during the Holocene. The
domes have...
- Derwen****er at
Strandshag Bay. The crag
itself exposes the plagioclase-
phyric andesite lavas of the
Birker Fell Formation. The
summit area is overlain...
-
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...
- 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...
-
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...
