| 1. | Geologists call the light minerals felsic and the dark ones mafic.
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| 2. | Both deformed and undeformed small felsic dikes occur in the schist.
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| 3. | Beryllium becomes concentrated in felsic pegmatites in which chromium is almost absent.
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| 4. | Sahand is made chiefly of dacite and associated felsic rocks.
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| 5. | Granodiorite is felsic to intrusive igneous equivalent of the extrusive igneous dacite.
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| 6. | Resedimented felsic, epiclastic and turbiditic sediments compose the Turtle Lake Formation.
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| 7. | The rocks of the Climax Stock are alkaline felsic intrusives.
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| 8. | Eruptions of rhyolite are relatively rare compared to eruptions of less felsic lavas.
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| 9. | Extensive felsic lava flows are uncommon, but have travelled as far as.
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| 10. | They are often felsic ( high in silica ).
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