laccolith
/ˈlakəlɪθ
/noun Geology
A mass of igneous rock, typically lens-shaped, that has been intruded between rock strata causing uplift in the shape of a dome.Nearby Lime Butte, Gypsum Butte, and Green Mountain are all laccoliths with varying degrees of exposure....
- Based on the position of the dikes, where was the source of the magma for the laccoliths located?
- The larger area below the laccolith could cover an area as large as several states.
Origin
Late 19th century: from Greek lakkos 'reservoir' + -lith.
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