F1. Core 19-1189B-6R.
F2. Jasperoid piece.
F3. Jasperoid grain size.
F4. Enlarged view of grain size.
F5. Late-stage fractures.
F6. Jasperoid wallrock fragment contact.
F7. Enlarged view of contact.
F8. Sawn surface.
F9. Coarse-grained jasperoid.
F10. Jasperoid-altered wallrock fragment contact.
F11. Jasperoid vein.
F12. Hematite growths.
F13. Enlarged view of hematite.
F14. Hematite and oval growth.
F15. Euhedral growth structure.
F16. Wallrock fragment.
F17. REE patterns.
F18. Jasperoid vein composition.
T1. Sample details.
T2. Jasperoid compositions.
T3. Normative compositions.
Figures F1-F18
Tables T1-T3
