|
|
|
| Rhyolite from Pitet, Belgium. |
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Ignimbrite, Italy. Raman study of this section. |
|
| Basalt from Tenerife. |
![]() |
Hawaite thin
section. Raman study of this section. |
|
| Basalt with olivine (origin unknown) |
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Basalt
thin section. Raman study of this section. |
|
|
Basalt
with olivine (origin unknown)
|
![]() |
Phonolite thin
section. Raman study of this section. |
|
| Basalt from France (Banne d'ordanche, Auvergne) |
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Basalt
thin section. Raman study of this section. |
|
|
Basalt from
France (Banne d'ordanche, Auvergne)
Other sample. |
|||
| Haüyne tephrite (Banne d'ordanche, Auvergne) | |||
| Trachy-andesite from France (Puy de Sancy) | |||
| Trachy-andesite from France (Puy de Sancy) | |||
| Phonolite from France (Roche Sanadoire, Auvergne) | |||
| Lava from Vulcano (Sicily) | |||
| Ryolithe | |||
| Phonolite from Tenerife | |||
![]() |
Caldera of Taburiente. La Palma, Canary Islands. | ||
![]() |
San Nicolas. Gran Canaria. Canary Islands. | ||
![]() |
Roque Nublo. Gran Canaria.Canary Islands. | ||