- size
between the tiny
matrix crystals and the much
larger phenocrysts.
Porphyries may be
aphanites or phanerites, that is, the groundm**** may have microscopic...
- Look up
porphyry in Wiktionary, the free dictionary.
Porphyry (/ˈpɔːrfɪri/; Gr****: Πορφύριος,
Porphyrios "purple-clad") may
refer to:
Porphyry (geology)...
- quartz-
porphyries are
equally well
described as granite-
porphyries.
University of Salzburg, quartz-
porphyry Geology of the
Island of Arran,
Quartz Porphyry One...
-
Porphyric hemophilia may
refer to: Porphyria, a
group of
diseases in
which substances called porphyrins build up Vampirism, a term
describing being a...
-
Porphyry of Tyre (/ˈpɔːrfɪri/; Koinē Gr****: Πορφύριος, romanized: Porphýrios; c. 234 – c. AD 305) was a
Neoplatonic philosopher born in Tyre,
Roman Phoenicia...
-
Arvidsjaur porphyry (Swedish: Arvidsjaurporfyr) is a
group of
igneous rocks of
intermediate to
felsic composition found near
Arvidsjaur in
northern Sweden...
-
feldspar crystals, or
porphyries found in the
volcanic rocks. The
entire 107-hectare (264-acre)
island constitutes the
Porphyry Island Provincial Park...
-
Porphyry copper deposits are
copper ore
bodies that are
formed from
hydrothermal fluids that
originate from a
voluminous magma chamber several kilometers...
-
Kiruna porphyry (Swedish: Kirunaporfyr) is a
group of
igneous rocks found near
Kiruna in
northernmost Sweden. The
Kiruna Porphyry formed 1,880 to 1,900...
-
Johnson Granite Porphyry is
found in
Tuolumne Meadows,
Yosemite National Park.
Johnson Granite Porphyry was
named for
Johnson Peak, the
highest mountain...
