-
diorite or
andesite but with an
intermediate texture is
sometimes called microdiorite.
Diorite is
occasionally porphyritic. It
usually contains enough mafic...
-
faults cross the island, many in an E-W or NW-SE alignment.
Devonian aged
microdiorite ****s are
found in
places and some of
these are
themselves cut by Palaeocene...
-
industry and has a
particular type of granite,
microdiorite named after it. The
granite stone (
microdiorite) 'Markfieldite' is a very hard
granite found...
- Waterfall". Loch na
Bairness sits on a
bedrock of psammite. A vein of
microdiorite runs
along its
south s****. The loch has a
large stock of
brown trout...
-
Esterellite (or Estérellite) is a
porphyritic variety of quartz-bearing
microdiorite,
containing phenocrysts of quartz,
zoned andesine, and
hornblende only...
- to
their mineral ****emblages.
These groups are
microdiorite, microgabbro, and late diabase.
Microdiorite ****s are
generally composed of
amphibole and...
- (4 to 5 km). This lava
extends from a
central volcanic plug made of
microdiorite. Due to the erosion, lava has
irregular joints. A
normal fault occurs...
- on the
flanks of
Mount Andr****y,
Mount Wullersdorf, and
Mount Lucia;
microdiorite,
small hills north of Tawau; and
diorite at
Sangster and
Forbes Hills...
-
mainly composed of
granitic materials and gneisses. It has some cuts of
microdiorites. Geomorphologically, it has
certain similarities with La Pedriza, given...
- The
surface rocks are
volcanics beginning with
Miocene andesites and
microdiorites followed by
alkaline basalts. The
rocks are
highly mineralized and contain...
