| 1. | The Thirlstane Basalt is above at, an alkali-olivine basalt.
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| 2. | Their compositions range from alkali olivine basalt to basanitic.
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| 3. | At St Marys there were two volcanic eruptions of alkali-olivine basalt at.
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| 4. | From near Hobart there is olivine basalt from.
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| 5. | Once the alkali olivine basalt flows cooled, they formed well-developed columnar joints.
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| 6. | Mount Cameron West has olivine basalt from 15.5 and 14.4 Ma.
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| 7. | Most of the soil consisted of olivine basalt sands that did not come from the local rocks.
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| 8. | The Thumb consists of alkali olivine basalt along with other Quaternary volcanic plugs in the Omineca Mountains.
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| 9. | Olivine basalt, basanite and tholeiite have been found as well, with smaller amounts of trachyandesite.
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| 10. | Hawaiite is the dominant rock type, but alkali olivine basalt and spinel lherzolite-bearing basanite is also present.
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