Definition of Nephelinites. Meaning of Nephelinites. Synonyms of Nephelinites

- Nephelinites are also ****ociated with carbonatite in some occurrences, consistent with source rocks relatively rich in carbon dioxide. Nephelinite is...
- intraplate hotspots. Their silica content can range from ultramafic (nephelinites, basanites and tephrites) to felsic (trachytes). They are more likely...
- consisting mainly of nephelinites or larnite-normative nephelinites and basanites along with lesser olivine melilite nephelinites, phonolites and tholeiitic...
- melanite-garnet. This rock is the plutonic and holo-crystalline analogue of the nephelinites -volcanic equivalent and nepheline-dolerites; it bears the same relation...
- feldspars. They range from olivine-rich melilitites through leucites to nephelinites, containing, in various proportions mainly the minerals nepheline, leucite...
- intraplate hotspots. Their silica content can range from ultramafic (nephelinites, basanites and tephrites) to felsic (trachytes). They are more likely...
- feldspathoid classifies a rock as silica-undersaturated; an example is nephelinite. Magmas are further divided into three series: The tholeiitic series...
- igneous rock. There is very little co****r-grained gabbro and diabase. Nephelinite is exposed on the islands but is extremely rare. The majority of eruptions...
- silica-undersaturated plutonic rock of nepheline and alkali feldspar Nephelinite – Igneous rock made up almost entirely of nepheline and clinopyroxene...
- Mount Meru. Mount Meru's lavas are alkaline in character and include nephelinite. Much of the mountain's height was lost about 7,800 years ago due to...