Figures F1-F11
Table
T1
F1. Xenolith of fresh spinifex-textured basalt and xenolith of altered spinifex rock.
F2. Photomicrograph of spinifex-textured xenolith.
F3. Higher-magnification view of spinifex-textured xenolith.
F4. Detail of a radiating pyroxene cluster in spinifex rock.
F5. Vesicle lined by simply twinned plagioclase laths.
F6. Contact between spinifex-textured xenolith and dacite host.
F7. Network of cristobalite-anhydrite-(pyrite) veins.
F8. Fine-grained intergrowths of pyrite, chloritic clay, and minor anhydrite.
F9. Contact between altered spinifex-textured xenolith and altered dacite host.
F10. Diagrams illustrating mass changes during alteration.
F11. Chondrite-normalized REE profiles.
T1. Compositions of spinifex-textured xenoliths and their hosts.
Figures F1-F11
Table T1