Table 5.
Mineral Phases Identified with the MMI and Laboratory Methods
| Mineral phases identified | MMI | VNIR/SWIR | XRD | Thin section |
|---|---|---|---|---|
| Vesicular basalt (sample 17) | ||||
| Olivine | + | + | + | + |
| Plagioclase feldspar | + | + | + | + |
| Pyroxene | + | + | + | + |
| Glass | − | − | − | + |
| Silicic volcanic breccia (sample 14) | ||||
| Plagioclase feldspar | − | − | + | + |
| Quartz | − | − | + | + |
| Calcite | − | + | + | + |
| Goethite | + | + | + | FeOx |
| Hematite | + | + | + | FeOx |
| Fe/Mg smectite | HM | + | − | − |
| Clinochlore | HM | + | + | − |
| Opal-A | HM | + | − | − |
| Zeolite | HM | + | + | + |
| Glass | − | − | − | + |
| Basaltic volcanic breccia (sample 10) | ||||
| Olivine | − | + | + | + |
| Plagioclase feldspar | − | − | + | + |
| Pyroxene | + | + | + | + |
| Fe oxides | + | + | − | + |
| Nontronite | + | + | + | + |
| Zeolite | HM | HM | + | + |
| Glass | − | − | − | + |
+−, mineral phase detected.
HM, hydrated mineral.
FeOx, Fe-oxide mineral.