Definition of Tholeiitic. Meaning of Tholeiitic. Synonyms of Tholeiitic

- The tholeiitic magma series (/ˌθoʊleɪˈɪtɪk/) is one of two main magma series in subalkaline igneous rocks, the other being the calc-alkaline series. A...
- subalkaline magma series, the other subalkaline magma series being the tholeiitic series. A magma series is a series of compositions that describes the...
- tectonic setting produces basalt with its own distinctive characteristics. Tholeiitic basalt, which is relatively rich in iron and poor in alkali metals and...
- example is nephelinite. Magmas are further divided into three series: The tholeiitic series – basaltic andesites and andesites. The calc-alkaline series –...
- abundant rocks include tholeiitic to transitional mafic fragmental rocks and m****ive flows, as well as felsic tuffs, tholeiitic pillow basalts and minor...
- Examples of lava compositions (wt%) Component Nephelinite Tholeiitic picrite Tholeiitic basalt Andesite Rhyolite SiO2 39.7 46.4 53.8 60.0 73.2 TiO2 2...
- Tholeiitic basalt magma SiO2 (53.8%) Al2O3 (13.9%) FeO (9.3%) CaO (7.9%) MgO (4.1%) Na2O (3%) Fe2O3 (2.6%) TiO2 (2%) K2O (1.5%) P2O5 (0.4%) MnO (0.2%)...
- typically make up rock. The Martian surface is primarily composed of tholeiitic basalt, although parts are more silica-rich than typical basalt and may...
- few 22-million-year-old vents. The composition of the lavas varies from tholeiitic basalt to rhyolite. Landforms include sheet flows, cinder cones, and shield...
- subsided below sea level. The volcanic rocks ****ociated with this rise are tholeiitic lavas and intrusive lamprophyre sheets, which form a volcanic ba****t...