The Forgotten Volcano That Cooled the Planet and Turned the Sun Green
A little-known volcano on a remote Pacific island may have been the source of one of the 19th century’s most powerful ...
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what causes magma chambers to become more silica-rich?
The magma of a volcano that is rich in silica tends to be stiff ... could have occurred in the magma chamber that caused it to become more felsic? During this process, the overall composition of the ...
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Ancient Volcanoes on Mars Hold Clues to Earth's Long-Lost Past
"The diverse volcanism is associated with felsic volcanic compositions which are unlike any other suite of recognized deposits or volcanic region on Mars," Michalski and colleagues write ...