later trilobites," wrote McMenamin. Much of Fr. Skehan's published research during the past 40 years has been devoted to the history of the Avalon terrane, the geological micro-continent stretching ...

Mineralogy, petrology, petrology of massif anorthosites and related rocks, regional geology of the Virginia Piedmont Owens, B.E., and Buchwaldt, R., 2024, Further evidence for Devonian magmatism ...