Saturday, 22 June
All Educational Field Trips (EFTs) are open to meeting registrants and members of their families.
Due to limited space, advance registration is required for all EFTs. Reservation
and payment of EFT fee(s) is included on the Advance
Registration Form. NOTE: Persons not otherwise registered for the meeting must pay a $10 Educational Field Trip registration fee in addition to the cost of the first educational field trip for which they sign up. Non-meeting registrants pay this fee only once, regardless of whether they participate in one or more field trips. Meeting registrants pay only the field trip fee and are not subject to the additional $10 fee.
All Educational Field Trips depart from the parking lot in front of the Science Building.
Each field trip has a minimum number of attendees. If fewer than this minimum number sign up, the organizers may cancel. Should a trip be cancelled by the Division for any reason, including insufficient advance sign-ups, a full refund will be granted and processed after the meeting closes. If a registrant cancels via e-mail or written notification received in the Pacific Division office no later than 1 June 2019, the registrant will receive a refund of the paid fee(s) less a $15 processing charge. Credit card refunds are subject to an additional 3.5% charge on the entire original billing to help cover the fees the Division pays to the credit card companies.
Tuesday, 18 June
Educational Field Trips
Saturday, 22 June 2019, 9:00 a.m. to approx. 1:00 p.m.
This visit to Bellwood Violin (Ashland, OR) will explore with participants aspects of applied science found in a violin shop. As a luthier with 40 years of experience and proprietor of Bellwood Violin, Stephen Bacon will share aspects of a 16th century art form as well as some experiences shared within the local community. Topics will include varnish making, protein glues, and other material and wood sciences used in the process of making and restoring instruments. Musical instrument conservation will be touched on in relationship with the Southern Oregon University Schuman Collection of historic musical instruments as well as work with the U.S. Fish & Wildlife Service Forensics Laboratory and their spectrum analysis of wood project. We will also discuss how 3d printing is contributing to the work of a luthier. Time permitting, we will examine the tools of the trade and, of course, we will touch on the field of acoustics and its practical applications.
Cost: $35 per person. Includes transportation. Lunch is on your own at the Ashland Food Co-op. Limited to 10 participants.
Southern Oregon Western and High Cascade Volcanics
Saturday, 22 June 2019, 8:00 a.m. to approx. 5:00 p.m.
Organized and led by Dr. Jad D'Allura (Southern Oregon University), this field trip will highlight the older basaltic through rhyolitic rocks of the Western Cascades volcanic series (Lower Oligocene to Lower Miocene in this part of Oregon) and the basaltic andesite shield volcano lavas of the High Cascade volcanic series (Upper Miocene and Lower Pliocene). Most of the exposures we will observe lie within the Cascade-Siskiyou National Monument although those around Howard Prairie Lake are located in Jackson County lands.
Western Cascade volcanic rocks comprise lava flows, pyroclastic rocks, and volcanic debris flows ranging from olivine basalt through rhyolite, all from various vents. These rocks have been tilted to the northeast and, low in the section, subjected to low grade zeolite facies metamorphism. The terrain is rugged, highly dissected, tilted, and faulted, inhibiting clear recognition of individual volcanic vents. High Cascade volcanic rocks show no sign of metamorphism, are essentially flat-lying (producing gentle terrain), and represent olivine basalt and basaltic andesite flows issued from overlapping short-lived shield volcanoes. Rock types encountered include welded tuff, tuff-breccia, a variety of different lava flows, landslide debris, and a thick red paleosol developed during an extended period of soil development.
All roads, except for short side trips of less than 0.2 miles) are paved. Exposures are along paved roads or require only short easy walks. Elevations are from 2,200' to just over 5,000'.
Wear clothes appropriate for short walks over slightly uneven ground and lava floes, such as sturdy shoes and long pants. Since we will be out all day, it is strongly suggested that you bring along a hat, sun screen, water bottles, and loupes [hand magnifiers] if you have them, as well as your camera.
Lunch will be box lunches from Subway and consumed at Howard Prairie Lake. Drinks and snacks will be provided.
Cost: $40 per person. Includes transportation, box lunch, and road log. Limited to 20 participants.
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