| 1. | Rhyodacite is found around the hill in the east of Chisholm.
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| 2. | The eruptive products range from basaltic andesite to rhyolite and rhyodacite.
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| 3. | Around Mount Job, rhyodacite contains hornblende, biotite and quartz.
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| 4. | On the northern slopes and lower eastern slopes the rock is rhyodacite.
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| 5. | Deakin Volcanics green grey and purple rhyodacite underlies the suburb.
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| 6. | Weathered rhyodacite is main volcanic rock of the Capricorn Assemblage.
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| 7. | The rhyodacite is characterized by phenocrysts of plagioclase, quartz and biotite.
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| 8. | Dykes have outcrops of trachytic andesite, dacite and rhyodacite.
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| 9. | These are green-grey and purple coloured rhyodacite.
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| 10. | The rocks of Morococala are dominantly dacite and rhyodacite.
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