Two unique types of granite formed far from each other before colliding in the Cascades. Towering walls of granite stand sentinel over Highway 20 at Washington Pass deep in the North Cascades. The ...
A large formation of granite discovered below the lunar surface likely was formed from the cooling of molten lava that fed a volcano or volcanoes that erupted early in the Moon's history -- as long as ...
Petrological, isotopic, and gravity data for a massive granodiorite with K-rich biotite-diorite and tonalite variants in the New England Batholith, Australia, indicate that the more mafic rock types ...
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