例句與造句

1. Basanites contain more olivine and less plagioclase / pyroxene phenocrysts.
2. Basanites occur both on continents and on ocean islands.
3. Pyroxene is the usual ferromagnesian mineral, and resembles that of the tephrites and basanites.
4. The older basanites in the Itcha Range may have been erupted contemporaneously with the late feldspar hawaiites.
5. Those leucite rocks which contain abundant essential plagioclase feldspar are known as leucite tephrites and leucite basanites.
6. It's difficult to find basanites in a sentence. 用basanites造句挺難的
7. The leucite-tephrites and leucite-basanites of Vesuvius and Somma are familiar examples of this class of rocks.
8. Kibo has more than 250 parasitic cones on its northwest and southeast flanks that were formed between 150, 000 and 200, 000 years ago and erupted picrobasalts, trachybasalts, ankaramites, and basanites.
9. However, a cinder cone in the middle of the shield could be much younger, perhaps as young as the basanites at Nazko Cone to the east, which were erupted 340, 000 to 7, 100 years ago.
10. Chemically, basanites are low in silica ( 42 to 45 % SiO 2 ) and high in alkalis ( 3 to 5.5 % Na 2 O and K 2 O ) compared to basalt, which typically contains more SiO 2, as evident on the diagram used for TAS classification.