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nephelinite::noun | Spocien Dictionary
| Type | Words |
|---|---|
| Type of | mineral |
Examples of nephelinite
nephelinite
Rounded, yellow, weathered peridotite xenolith in a nephelinite lava flow.
From the en.wikipedia.org
On the southern part of the Central Plateau, there are olivine melilite nephelinite, olivine nephelinite, quartz tholeiite lava flows.
From the en.wikipedia.org
Some of the lava flows in the field are similar to those that erupted at Volcano Mountain in the Yukon, where olivine nephelinite occurs.
From the en.wikipedia.org
On the east side of the Central Pateau an olivine nephelinite is from 24.9 million years ago, and a flow of nepheline hawaiite is from 24.2 million years ago.
From the en.wikipedia.org
- An igneous rock consisting of nepheline and pyroxene
- Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite). If olivine is present, the rock may be classified as an olivine nephelinite. Nephelinite is dark in color and may resemble basalt in hand specimen. ...
- Is a name originally used for nepheline rich effusive rocks. Later the name was redefined as olivine free basalt.
