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...

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

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...

The absence of olivine distinguishes them from the otherwise similar basanite. It's parameters are defined in the QAPF diagram. Occurrences include leucite...

Small volcanic bomb of (black) basanite with (green) dunite...

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

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...

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

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

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

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

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

phonolitic, one trachybasaltic, one trachytic, and two with a mixture of basanite, trachybasalt, phonolite, and trachyte glass shards. Immediately below...

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

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

hotspots. Their silica content can range from ultramafic (nephelinites, basanites and tephrites) to felsic (trachytes). They are more likely to be generated...

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

the Triassic rocks are overlain and intruded by volcanic rock (basalts, basanites, phonolites and trachytes) of the Tertiary. The eastern third of Franconia...

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...

eruptive centres, are known, and these are mainly of small volume alkaline basanite eruptives. The Dunedin volcanic group shows continued evidence of a magma...

that extend tens of kilometers and stack up to 300 m (1,000 ft) thick. Basanite and andesite are also found in the volcanic layer. More recently in geologic...

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

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,...

This basanite statue of Agrippina the Younger as a priestess of the divine Claudius, 54–59 AD, was discovered on the Caelian Hill in 1885....

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

consisting mainly of nephelinites or larnite-normative nephelinites and basanites along with lesser olivine melilite nephelinites, phonolites and tholeiitic...

(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...

rocks are of variable, though mainly silica-undersaturated, character with basanite, nephelinite and phonolite among the lava types found. The main island...

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