Definition of Tholeiites. Meaning of Tholeiites. Synonyms of Tholeiites

- and rhyolite. The variety of basalt in the series was originally called tholeiite but the International Union of Geological Sciences recommends that tholeiitic...
- magmas (wt%) Magma composition H2O concentration wt % MORB (tholeiites) 0.1 – 0.2 Island tholeiite 0.3 – 0.6 Alkali basalts 0.8 – 1.5 Volcanic arc basalts...
- fed lava to the surface. Flood basalts are most often quartz tholeiites. Olivine tholeiite (the characteristic rock of mid-ocean ridges) occurs less commonly...
- in the ****anese island arc system where the volcanic rocks change from tholeiite—calc-alkaline—alkaline with increasing distance from the trench. Some...
- trace-element composition. Ocean island basalts include both tholeiites and alkali basalts; the tholeiites predominate early in the eruptive history of the island...
- Most of the moais in Easter Island are carved out of tholeiite basalt tuff....
- the El Cobre Group, Sierra Maestra, Eastern Cuba: A case of island arc tholeiites Source: Acta Geológica Hispánica 33 (1–4) 57–74 Chiappy-Jhones C., Rico-Gray...
- Petrological Study of the Younger Tongan Andesites and Dacites, and the Olivine Tholeiites of Niua Fo'ou Island, S. W. Pacific." Contributions to Mineralogy and...
- residue of earlier arc tholeiite generation which is metasomatically enriched in LREE before boninite volcanism, or arc tholeiites and boninites can be...
- metavolcanic rocks with a range of compositions from boninite-like to tholeiites and picrites. Though boninitic amphibolites at Isua are often interpreted...