| 1. | It can be found in igneous rocks containing potassium feldspar and plagioclase.
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| 2. | Two different groups of igneous rock have been found within Alexander Island.
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| 3. | Cream-colored limestones and dark black igneous rock add to the enormous palette.
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| 4. | The rock is an uncommon mafic igneous rock known as a troctolite.
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| 5. | This extrusive igneous rock is known from only two geological formations worldwide.
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| 6. | Mount Gulaga is made up mainly of a Cretaceousage Igneous rock complex.
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| 7. | The series comprises a complex series of metasediments and basic igneous rocks.
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| 8. | Ocean crust consists of basic igneous rock, containing significant amounts of magnetite.
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| 9. | It is possible to apply the CIPW norm to metamorphosed igneous rocks.
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| 10. | Ore occurs in veins and replacement deposits in sedimentary and igneous rocks.
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