Basanite (/ˈbæs.əˌnaɪt/) is an igneous, volcanic (extrusive) rock with aphanitic to porphyritic texture. It is composed mostly of feldspathoids, pyroxenes...
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Jasper (section Basanite and other types of touchstone)
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...
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is the most common rock on Mount Takahe, phonolite being less common. Basanite, hawaiite, and mugearite are uncommon, but the occurrence of benmoreite...
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Ortiz porphyry belt (redirect from Cieneguilla Basanite)
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...
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Small volcanic bomb of (black) basanite with (green) dunite...
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and may contain also biotite, quartz, and orthoclase. Andesite Basalt Basanite Dacite Felsite Phonolite Rhyolite Trachyte Le Maitre, R. W., ed. (1989)...
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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...
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basaltes, a misspelling of Latin basanites "very hard stone", which was imported from Ancient Greek βασανίτης (basanites), from βάσανος (basanos, "touchstone")...
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intact in modern time. Typical materials known from this site are: Basalt Basanite Metagraywacke and metaconglomerate Qurna is located near Thebes. It was...
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Nepheline-porphyry Essexite and Theralite Ijolite and Missourite Effusive type or Lavas Phonolite, Leucitophyre Tephrite and Basanite Nepheline-basalt, Leucite-basalt...
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undifferentiated and nonviscous basanite lavas that form the low broad platform shield of Erebus. Slightly younger basanite and phonotephrite lavas crop...
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rock type Shoshonite – Potassium-rich variety of basaltic trachyandesite Basanite – Type of volcanic rock Blairmorite – Rare porphyritic volcanic rock Boninite –...
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and is classified as extinct. The volcanic rocks range from ankaramitic basanite through tephrite to phonolite and some have ultra-potassic compositions...
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calculated for the rock based on its chemical composition. For example, basanite is distinguished from tephrite by having a high normative olivine content...
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Sculpture of Livia in Egyptian basanite, c. 31 BC, Louvre, Paris...
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Heidelberg, Germany, phonolite-tephrite at Monte Vulture, Basilicata, Italy and basanite–tephrite intrusions in Namibia. Frenzel, Gerhard (1953). "Die Erzparagenese...
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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...
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clinopyroxene (augite) and calcic plagioclase. Basalt, alkali basalt, basanite, tephritic nephelinite, and nephelinite differ partly in the relative proportions...
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hotspots. Their silica content can range from ultramafic (nephelinites, basanites and tephrites) to felsic (trachytes). They are more likely to be generated...
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the Triassic rocks are overlain and intruded by volcanic rock (basalts, basanites, phonolites and trachytes) of the Tertiary. The eastern third of Franconia...
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Mravenčák (left) and Černý vrch, two tephrite-basanite kuppen on the northern edge of the Doupov Mountains opposite Klášterec nad Ohří...
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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...
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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,...
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rocks are of variable, though mainly silica-undersaturated, character with basanite, nephelinite and phonolite among the lava types found. The main island...
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typical of oceanic islands. The volcanic rocks include alkali basalts, basanites, phonolites, trachytes, nephelinites, trachyandesites, tephrites and rhyolites...
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hotspots. Their silica content can range from ultramafic (nephelinites, basanites and tephrites) to felsic (trachytes). They are more likely to be generated...
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consisting mainly of nephelinites or larnite-normative nephelinites and basanites along with lesser olivine melilite nephelinites, phonolites and tholeiitic...
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covering approximately 50 km2 or less of volcanic cones and lava flows. The basanite to hawaiite basaltic flows contain xenoliths of peridotite. The Peridot...
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ilmenite and analcime. Theralite is the intrusive equivalent of nepheline basanite, a foidal basalt with essential calic plagioclase and essential olivine...
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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....
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