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...

and is classified as extinct. The volcanic rocks range from ankaramitic basanite through tephrite to phonolite and some have ultra-potassic compositions...

basaltes, a misspelling of Latin basanites "very hard stone", which was imported from Ancient Greek βασανίτης (basanites), from βάσανος (basanos, "touchstone")...

Sculpture of Livia in Egyptian basanite, c. 31 BC, Louvre, Paris...

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...

undifferentiated and nonviscous basanite lavas that form the low broad platform shield of Erebus. Slightly younger basanite and phonotephrite lavas crop...

clinopyroxene (augite) and calcic plagioclase. Basalt, alkali basalt, basanite, tephritic nephelinite, and nephelinite differ partly in the relative proportions...

volcanic field in Veracruz, Mexico. Lavas from San Martin vary between basanite and alkali basalt. Locally the volcano is also known as Tiltépetl (Black...

located in the eastern part of the volcanic massif of the Cantal. Formed of basanite, it is a remnant of a basaltic lake formed of solidified lava and is the...

and may contain also biotite, quartz, and orthoclase. Andesite Basalt Basanite Dacite Felsite Phonolite Rhyolite Trachyte Le Maitre, R. W., ed. (1989)...

and potassic variants are Benmoreite and Latite. Pc (Picrobasalt) U1 (Basanite or Tephrite)—Use normative mineralogy to decide. U2 (Phonotephrite) U3...

Neogene period, featuring distinctive hexagonal columnar jointing in its basanite rock. The hill is protected within the Ostrzyca Proboszczowicka nature...

rock type Shoshonite – Potassium-rich variety of basaltic trachyandesite Basanite – Type of volcanic rock Blairmorite – Rare porphyritic volcanic rock Boninite –...

ilmenite and analcime. Theralite is the intrusive equivalent of nepheline basanite, a foidal basalt with essential calic plagioclase and essential olivine...

Andean volcanoes because of its lack of andesitic composition, in favour of basanite and phonolitic rock. Sumaco is heavily forested and contains a small cone...

volcanic rock type of mafic composition. It is a dark porphyritic variety of basanite containing abundant pyroxene and olivine phenocrysts. It contains minor...

is the most common rock on Mount Takahe, phonolite being less common. Basanite, hawaiite, and mugearite are uncommon, but the occurrence of benmoreite...

Mravenčák (left) and Černý vrch, two tephrite-basanite kuppen on the northern edge of the Doupov Mountains opposite Klášterec nad Ohří...

(mafic) lava (with 80% by volume), most of which is trachybasalt. Basalt and basanite are present in much smaller amounts. The field straddles the extensional...

Nepheline-porphyry Essexite and Theralite Ijolite and Missourite Effusive type or Lavas Phonolite, Leucitophyre Tephrite and Basanite Nepheline-basalt, Leucite-basalt...

dissected volcanic edifice consists of a variety of rock types, including basanite, hawaiite, trachyte, rhyolite, phonolite and alkali olivine basalt. They...

calculated for the rock based on its chemical composition. For example, basanite is distinguished from tephrite by having a high normative olivine content...

Carroll, M. R.; Palmer, M. R.; Marti, J.; Sparks, R. S. J. (May 1998). "Basanite-Phonolite Lineages of the Teide-Pico Viejo Volcanic Complex, Tenerife,...

intact in modern time. Typical materials known from this site are: Basalt Basanite Metagraywacke and metaconglomerate Qurna is located near Thebes. It was...

a volcanic plug near the town of Stanley, Tasmania. It is formed from basanite dated to 12.5 and 8.5 million years old, the remains of the solidified...

Coordinates 14°59′20″N 23°31′44″W / 14.989°N 23.529°W / 14.989; -23.529 Geography Location southern Santiago Geology Rock type(s) basalt, basanite...