Gary H. Girty, Melissa S. Wardlaw; Was the Alexander terrane a source of feldspathic sandstones in the Shoo Fly Complex, Sierra Nevada, California?. Geology ; 12 (6): 339–342. doi: https://doi.org/10.1130/0091-7613(1984)12<339:WTATAS>2.0.CO;2
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Feldspathic sandstone in the Shoo Fly melange contains monocyclic 506 ± 22-m.y.-old detrital zircons and significant quantities of volcanic rock clasts. It is speculated that the feldspathic sandstones and their contained zircons were derived from detritus shed from the volcanic-plutonic Alexander terrane of southeastern Alaska during its Paleozoic residence at the latitude of northern California.