Kilbourne is thought to be the result of a steam explosion that occurred when hot magma encountered shallow groundwater ... In this case, the xenolith is the greenish mineral olivine, which is ...

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 ...

This week's contribution is from Ninfa Bennington, geophysicist with the U.S. Geological Survey at the Hawaiian Volcano Observatory. How can lightning and solar storms be used to map magma beneath ...

In the asthenosphere, molten olivine moves with a convection current ... formed when crystals of silicon cool out of the magma that makes up our planet's interior. Peridot forms in the presence ...

The Krafla Magma Testbed (KMT) in Iceland is one of the first to attempt to drill into a magma chamber. This endeavour is planned for 2027 and would establish an underground magma chamber of about 2.1 ...

A new study based on the sampling and analysis of volcanic ash at Cumbre Vieja volcano in the Canary Islands, located off Africa's northwest coast, suggests that the composition of magma could ...

Get Instant Summarized Text (Gist) The analysis of volcanic ash from the Cumbre Vieja eruption indicates that magma composition, particularly silica content, influences volcanic tremor. High ...