Seismic anisotropy has been widely observed in crust and mantle materials and plays a key role in the understanding of structure and flow patterns. Although seismic anisotropy can be explained by the ...

Explore the Aucanquilcha volcano in Chile and uncover fascinating amphibole mineral textures through polarized light microscopy. You might notice a scale bar below the crystal - that is 200 ...

So, I've had requests on the blog to help to do some defining of volcanologic terms on the blog, so I thought I'd try a new column called Eruptions Word of the Day. I'm not sure how often it will run, ...

Normally at this time of the week, I look at volcanoes from far away - usually not even from the planet. However, this week, I'm going to go in the opposite direction* (so, if you want to skip ahead ...