Definition of Trachybasalts. Meaning of Trachybasalts. Synonyms of Trachybasalts

- Trachybasalt is a volcanic rock with a composition between trachyte and basalt. It resembles basalt but has a high content of alkali metal oxides. Minerals...
- formed between 150,000 and 200,000 years ago and erupted picrobasalts, trachybasalts, ankaramites, and basanites. They reach as far as Lake Chala and Taveta...
- Trachybasalt – Volcanic rock – A volcanic rock with a composition between basalt and trachyte Hawaiite – Volcanic rock – a sodic type of trachybasalt...
- phenocrysts. The mafic series also contain titanium magnetite and the trachybasalts are dominated by anorthosite-rich plagioclase. Rubidium, strontium and...
- the main island of Grande Terre. The volcano is composed primarily of trachybasalt and was active during the late Pleistocene. Eruptives have been dated...
- basaltic andesite. Basalt has a lower total content of alkali oxides than trachybasalt and most basanites and tephrites. Basalt generally has a composition...
- initially basic and fluid lavas, but they differentiated over time (trachybasalts and phonolites), which gave place to more explosive eruptions. Around...
- defined chemically. Under the TAS classification, hawaiite is sodic trachybasalt, with a silica content close to 49 wt%, a total alkali metal oxide content...
- phonolitic trachyte and latite have also been produced, and there is rare trachybasalt. Three geological phases or periods are recognised and distinguished...
- Group, Azores, Portugal Parent range Azores Plateau Geology Mountain type Stratovolcano Rock type(s) Trachyte, Trachybasalt, Basalt Last eruption 1652...