Definition of Tholeiite. Meaning of Tholeiite. Synonyms of Tholeiite

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Definition of Tholeiite

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Meaning of Tholeiite from wikipedia

- and rhyolite. The variety of basalt in the series was originally called tholeiite but the International Union of Geological Sciences recommends that tholeiitic...
- Rajmahal volcanics are predominantly tholeiitic basalt, quartz tholeiite, olivine tholeiite and alkali basalt. The Intertrappean Beds are composed of sedimentary...
- Most of the moais in Easter Island are carved out of tholeiite basalt tuff....
- 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...
- in the ****anese island arc system where the volcanic rocks change from tholeiite—calc-alkaline—alkaline with increasing distance from the trench. Some...
- fed lava to the surface. Flood basalts are most often quartz tholeiites. Olivine tholeiite (the characteristic rock of mid-ocean ridges) occurs less commonly...
- of the system. The volcanic origin of these mountains is evidenced by tholeiite basalt deposits, the numerous hot springs and rivulets in the area, as...
- (potentially as much as 6 million years younger) than the other rocks such as tholeiite that comprise it, suggesting that the island was formed by eruptions that...
- composition. Hawaiian basalts that make up almost all of the islands are tholeiite. These rocks are similar but not identical to those that are produced...
- in the ****anese island arc system where the volcanic rocks change from tholeiite—calc-alkaline—alkaline with increasing distance from the trench. Several...