Laccolith

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“Conduit of Tilford laccolith, showing porphyry (P) breaking across limestone (L).” -Walcott, 1901

Keywords

geology, limestone, strata, Rock formation, laccolith, porphyry, igneous intrusion, sedimentary rock

Galleries

Geology

Source

Walcott, Charles D. Annual Reports of the Department of the Interior (Washington, DC: Government Printing Office, 1901)

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