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"The convergent margin of southern Alaska is considered one of the type areas for understanding the growth of continental margins through collisional tectonic processes. Collisional processes that formed this margin were responsible for multiple episodes of sedimentary basin development, subduction complex growth, magmatism, and deformation. Two main collisional episodes shaped this Mesozoic-Cenozoic continental margin. The first event was the Mesozoic collision of the allochthonous Wrangellia composite terrane. This event represents the largest addition of juvenile crust to western North America in the past 100 m.y. The second event is the ongoing collision of the Yakutat terrane along the ...
Vol. for 1988 includes Membership directory.
John McAnelly was born in Belfast, Antrim Co., Ireland and married Mary (Nancy) Clark in 1790. They immigrated in 1793, via Philadelphia, to Westmoreland Co. and later Fayette Co., Pennsylvania. Includes Miller, Mills and related families.