The mission of the Yachats Academy of Arts & Sciences is to provide educational and entertainment opportunities for people on the central Oregon coast. Sponsored by Polly Plumb Productions, we encourage the residents of the village of Yachats, Oregon to work with Academy board members to organize those events that they judge to be most enjoyable.
Professor Johnston's presentation will acquaint the audience with the mechanisms by which the earth melts, yielding igneous rocks like those that make up the Cascades and Sierras. A surprising conclusion will be that thermal anomalies have little to do with it.