carbonatite उदाहरण वाक्य

The genesis of this Archaean carbonatite remains contentious as it is the sole example of an Archaean carbonatite in Australia.
The volcano Ol Doinyo Lengai, in the East African Rift is the world's only active carbonatite volcano.
Eluvial supergene " enrichment of an apatite rich carbonatite in Ontario has produced a significant eluvial phosphate ore deposit.
In the case of carbonatite, it is improper to use a CIPW norm upon a melt rich in carbonate.
Along with the active Ol Doinyo Lengai, it is one of the very few carbonatite volcanoes in the world.

According to texture of carbonatite, can be distinguished : hypidiomorphic granular, medium-grained, pseudoporphyric and trachytic.
Only one carbonatite volcano is known to have erupted in historical time, the active Ol Doinyo Lengai volcano in Tanzania.
Smaller carbonatite sills and dikes are present in other Proterozoic mobile belts in Australia, typically as dikes and discontinuous pods.
Radiometric dates of 1883-1870 Ma are reported for mafic, ultramafic, carbonatite and lamprophyre intrusions within the Trough.
The bottom periphery, 0.5 km wide, is mostly built of feldspathic rocks and little or no carbonatite.