| 1. | Macroscopic aspects of nepheline syenite are similar to those of granite.
|
| 2. | The plutonic leucite-bearing rocks are leucite syenite and missourite.
|
| 3. | The fenised sandstones and syenite-fenite form aureoles around carbonatites.
|
| 4. | The autoliths consist of nepheline syenite, micromelteigite, and carbonatite.
|
| 5. | Fresh clear microcline is very characteristic of some types of nepheline syenite.
|
| 6. | Herald Island is composed of sedimentary, cataclastic quartz syenite.
|
| 7. | The Manitou Islands contain the uncommon rock types of fenite and syenite.
|
| 8. | The mineral occurs in nepheline syenite pegmatites and granite and aplite greisens.
|
| 9. | There is likely to be a giant laccolith of syenite below Cygnet.
|
| 10. | Less quartz content would lead to " quartz alkali feldspar syenite ".
|
