-
Basanite (/ˈbæs.əˌnaɪt/) is an igneous,
volcanic (extrusive) rock with
aphanitic to
porphyritic texture. It is
composed mostly of feldspathoids, pyroxenes...
-
border with Kazakhstan, is
noted for its colossal, open-cast
copper mine.)
Basanite is a deep velvety-black
variety of
amorphous quartz, of a
slightly tougher...
- The
absence of
olivine distinguishes them from the
otherwise similar basanite. It's
parameters are
defined in the QAPF diagram.
Occurrences include leucite...
-
increasingly alkaline in composition, and
include the 25-26 Ma
Cieneguilla basanite. This is a small-volume
extrusive unit
exposed around the
village of La...
-
Small volcanic bomb of (black)
basanite with (green) dunite...
-
clinopyroxene (augite) and
calcic plagioclase. Basalt,
alkali basalt,
basanite,
tephritic nephelinite, and
nephelinite differ partly in the
relative proportions...
- Mravenčák (left) and Černý vrch, two tephrite-
basanite kuppen on the
northern edge of the
Doupov Mountains opposite Klášterec nad Ohří...
- and may
contain also biotite, quartz, and orthoclase.
Andesite Basalt Basanite Dacite Felsite Phonolite Rhyolite Trachyte Le Maitre, R. W., ed. (1989)...
- 000
years ago and
erupted picrobasalts, trachybasalts, ankaramites, and
basanites. They
reach as far as Lake
Chala and
Taveta in the
southeast and the Lengurumani...
-
Neogene period,
featuring distinctive hexagonal columnar jointing in its
basanite rock. The hill is
protected within the
Ostrzyca Proboszczowicka nature...
