| 1. | Aplites usually have a genetic affinity to the rocks they intrude.
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| 2. | Spodumene occurs in lithium-rich granite pegmatites and aplites.
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| 3. | This is true of many gabbros, aplites and granites.
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| 4. | The mineral occurs in nepheline syenite pegmatites and granite and aplite greisens.
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| 5. | The aplite minerals include tourmaline, topaz and fluorite.
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| 6. | They range from porphyritic alkaline rhyolite to alkaline aplite to porphyritic alkaline granite.
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| 7. | Aplite dikes are fine-grained or sugary-textured intrusives of granitic composition.
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| 8. | Common types are pegmatites, aplites and elvans.
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| 9. | Tourmaline also occurs in some aplites.
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| 10. | The dykes included a swarm of dolerite dykes, also lamprophyre, feldspar porphyry and aplite.
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