Jess Thomson is a Newsweek Science Reporter based in London UK. Her focus is reporting on science, technology and healthcare. She has covered weird animal behavior, space news and the impacts of ...

The rest of the magma then crystallized to create Mercury’s middle mantle and outer crust ... The new experiments showed that minerals like olivine probably formed in Mercury’s mantle, which aligns ...

Olivine crystals analyzed from the first episode ... cores and rims that could suggest magmatic transfer from multiple magma storage regions beneath the summit. These differences in crystal ...

This is an olivine grain that has typical Kīlauea summit eruption compositions. When magma cools prior to eruption, crystals grow and develop chemical zones that record changes in the ...