Wyoming batholith
The Wyoming batholith is a granite batholith of Neoarchean origin 2,800 to 2,500 million years ago—which forms the eroded core of the Granite and Laramie Mountains in central Wyoming.[1] The Wyoming batholith lies within the Wyoming Craton. The batholith, in its time, was a magma chamber. Contemporary magma chambers are filled with lava and buried deeply and are inaccessible. The Wyoming batholith is accessible for study, its overburden having eroded away.[2]
References
- Davin A. Bagdonas; Carol D. Frost; C. Mark Fanning (June 2016). "The origin of extensive Neoarchean high-silica batholiths and the nature of intrusive complements to silicic ignimbrites: Insights from the Wyoming batholith, U.S.A." (PDF). American Mineralogist. Mineralogical Society of America. 101 (6): 1332–1347. doi:10.2138/am-2016-5512. Retrieved June 8, 2016.
...Neoarchean granite batholith, herein named the Wyoming batholith, extends more than 200 km across central Wyoming in the Granite and the Laramie Mountains.
- "UW Scientists Gain Supervolcano Insights from Wyoming Granite". uwyo.edu. June 2, 2016. Retrieved June 8, 2016.
...study the solidified magma chambers where erosion has removed the overlying rock....
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