Posted on September 21, 2015, BY Staff

The Bucknell Institute for Lifelong Learning (BILL) will present the discussion, "Dodging Avalanches, Bears and Storms to Reconstruct the Geologic Development of Alaskan Mountain Ranges," on Tuesday, Oct. 6, at 3:30 p.m. at Buffalo Valley Lutheran Village at The Village Common, located at 6 Tressler Blvd. in Lewisburg.

The program, part of the BILL Tea & Talk series, is free and open to the public without registration. Teatime refreshments are provided free of charge. Doors open at 3 p.m.

The presentation by Professor Jeff Trop, geology, will highlight his geologic field studies in Alaska with student colleagues. Alaska provides an exceptional natural laboratory for deciphering geologic processes that shape the evolution of topography, environments and climate. Since 2000, Trop and student colleagues have mapped and sampled the geology of the Alaska Range, Talkeetna Mountains and Wrangell-St. Elias Mountains. Collectively, these studies document the evolution of southern Alaska over the past 200 million years, including environmental shifts from tropical coral-sponge reefs to forested ecosystems inhabited by dinosaurs to rugged mountain ranges currently experiencing deglaciation.

In addition to highlighting key scientific results, the presentation will introduce some of the challenges of field studies in rugged wilderness as well as recent technological advances that assist investigations.

Directions
From the intersection of State Route 45 and U.S. Route 15 in Lewisburg, drive west on SR 45 for 1.1 miles; turn right (north) onto Reitz Boulevard into Brookpark Farm. Drive 0.6 mile; turn left onto Tressler Boulevard. The Village Common is directly ahead.

The BILL Tea & Talk schedule continues Oct. 13 with "A Career Spent Laboring in the Vineyards of Non-representational Painting," with Professor Emeritus Neil Anderson, art.

The Bucknell Institute for Lifelong Learning has provided adult learners in the Central Susquehanna Valley a broad range of educational and intellectual opportunities since its inauguration in fall 2009. The Institute is a self-supporting affiliate of Bucknell University. All of its programs and events are supported by membership and course registration fees and donations from members and friends. For more information about the Institute's programs, contact BILL at 570-522-0105 or by email.

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