Description: Pillow-lava metabasite Alamedilla, Granada, Andalucía, Spain 6 x 7 cm. In Alamedilla basaltic-basanitic pillow-lavas we can find these greenish vesicles similar to peas. Sometimes they are empty and holey. Calcite and iron oxides also appear in the specimen.

All pictures, text, design © Forum FMF 2006-2024