Long-quiet volcanoes in the Cascades region of the Pacific Northwest are still underpinned by large reservoirs of magma, new research finds. The findings have implications for monitoring volcanoes ...

They are basaltic pyroxenites with mineralogies dominated by cumulative pyroxene and olivine. Traditionally considered to represent a shallow igneous ... discrete oxidation processes during eruption ...

Thermal contact clastic rocks provide a new potential type of hydrocarbon reservoirs for expanding exploration targets. However, the development mechanism of this type of reservoir remains enigmatic.