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Aerial View of Portland

2010 Annual Meeting

21–23 April
Portland, Oregon

Field Trip Information

Both field trips will take place on Saturday, 24 April 2010 (the day following the close of the regular meeting program). This schedule is subject to change.

Field Trip #1: Portland Geology by Tram, Train, and Foot

Leader: Ian P. Madin, Oregon Dept. of Geology and Mineral Industries.

This trip will take participants on a tour of the geology of Portland by foot, light rail, and aerial tram. We will review the regional and local geologic setting and visit outcrops of most of the local units, including Columbia River Basalt flows, Missoula Flood deposits, and a late Quaternary volcano within the city limits. 

This trip will depart from the hotel at approximately 8:30 a.m. and return at approximately 2:30 p.m.

Participants will do walk several blocks on city sidewalks and well-maintained trails, so wear comfortable, sturdy shoes.

Box lunch included.  $50.  Limit 40 participants.


Field Trip #2: Geology and Hazards of Mount Hood, Oregon

Leader: Willie Scott, U.S. Geological Survey, Cascades Volcano Observatory

This all-day tour through the Columbia River Gorge and around Mount Hood will focus on the scenic geology of the Mount Hood region. Final itinerary for the trip will depend on the day's snow and weather conditions. Stops and topics may include regional geology and tectonics, scenic viewpoints and overlooks, giant landslides and ice-age floods in the Columbia River Gorge, past eruptions of Mount Hood, potential hazards from future eruptions, historical seismicity and volcano monitoring of Mount Hood, recent storm-generated debris flows on the volcano, and historic Timberline Lodge at 6,000 feet on the volcano's south flank.

This trip will depart from the hotel at approximately 8:00 a.m. and return at approximately 6:00 p.m.

Participants should wear comfortable walking shoes that can withstand some rain or snow (for short walks) and bring a raincoat.

Buffet lunch at Timberline Lodge included.  $95.  Limit 50 participants.

We cannot guarantee that either field trip will return in time for participants to catch a Saturday evening flight.

You may purchase tickets for field trips through our secure online registration form at the same time you register for the meeting (if you have already registered for the meeting and would like to add field trip tickets to your registration, fill out the registration form again and leave the registration type and other non-field trip-related choices blank). Field trip signup will also be available at the on-site registration desk on a first-come, first-serve basis.

Field Trip Refund Policy

100% refund if cancellation is received before the field trip signup deadline.  Field trip cancellations received after the deadline will received 100% refund IF another person fills the vacated place on the trip.  Unfilled cancellations will be refunded only as funds allow.

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Last Modified: 2010 Mar 19