AAAS Pacific Division

91st Annual Meeting
SOUTHERN OREGON UNIVERSITY
Ashland, OR

13 – 17 June 2010

FIELD TRIPS



All field trips are open to meeting registrants and members of their families. Due to limited space, advance registration is required for all trips. Reservation and payment of field trip fee(s) are included on the Advance Registration Form. NOTE: A $10 field trip registration fee will be added to the cost of the first field trip for each person not registered for the AAAS Pacific Division meeting. Non-registrants pay this fee only once, regardless of whether they participate in one or more field trips.

A full refund will be granted if a trip is cancelled by the Division. If a registrant cancels via e-mail or written notification postmarked no later than 20 May 2010, 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.

All field trips depart from the parking lot in front of Science Hall (yellow lot #30 in front of the Science Building–click on map link below) on the Southern Oregon University campus (map).

Sunday Wednesday Thursday

Sunday, 13 June, 10:00 a.m. to approximately 4:00 p.m.
Field Trip 1: Winemaking in the Rogue and Applegate Valleys, Southern Oregon
Departs from the parking lot in front of Science Hall (yellow lot 30 on the map).

Organized by Stephen Petrovic (Department of Chemistry, Southern Oregon University), this excursion is planned to visit three wineries in the Rogue and Applegate Valleys of Southern Oregon. Included will be tours of the operations, barrel tasting of wines, and talks on how soil type, aspect and temperature control planting and irrigation practices. Participants will also be exposed to how winemakers approach winemaking for red and white varietals.

Includes transportation, any fees, and box lunch. Cost: $50.

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Wednesday, 16 June, 8:00 a.m. to approximately 10:00 p.m.
Field Trip 4: Endemics of Oregon Caves National Monument
Departs from the parking lot in front of Science Hall (yellow lot 30 on the map).

Led by Chris Oswald and Steve Cross (Department of Biology, Southern Oregon University, Ashland, OR), this excursion travels north on Interstate 5 to Grants Pass, where it turns west on Highway 199 to Cave Junction. From Cave Junction, it travels east the last 20 or so miles on Oregon Highway 26. Tours of the cave are considered moderately strenuous and are not recommended for people with heart, breathing, or walking problems. The half–mile route includes more than 500 stairs (most of which are steep and uneven) and a total climb of 230 feet. The lowest passageway you will have to duck under is about 45 inches tall. Children must be at least 42 inches tall and be able to demonstrate their ability to climb a set of test stairs, unassisted, to go on the full tour of the cave. After our tour of the cave, we will take a leisurely break to eat box lunches, followed by a hike on one of the many trails to explore the rich old–growth forest, a region recognized to be one of the most geologically unique and botanically diverse in the United States. Before leaving Oregon Caves, we will have dinner at the Chateau, an historic, 76 year old structure that is truly one of the great lodges of the National Parks. Dinner is on your own (entre├ęs are priced at roughly $20 to $32). Following dinner, we'll head back to Ashland, returning about 10:00 p.m.

The National Monument sits at approximately 4,000 feet elevation. Daytime temperatures are likely to be cool, so come prepared! It is recommended that participants wear good hiking boots or tennis shoes in order to traverse the cave and also for the trail hike afterwards. Don't neglect the warning about the strenuous nature of hiking the cave in the paragraph above!

Includes transportation, box lunch, and entry to Oregon Caves National Monument. Cost: $60.

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Thursday, 17 June, 8:00 a.m. to approximately 5:00 p.m.
Field Trip 2: Geology of Mount Shasta, Northern California
Departs from the parking lot in front of Science Hall (yellow lot 30 on the map).

This trip, led by Dr. Robert Christiansen (USGS retired, Menlo Park, CA) will travel south from Ashland, passing through a small part of the Klamath Mountains province that represents the oldest geologic terranes of the Southern Oregon–Northern California region, to the area of Mount Shasta, one of the most active volcanoes of the Cascade Range. The Cascades, the only active volcanic arc in the conterminous U.S., were formed by subduction of the Farallon lithospheric plate, which was born along the Gorda–Juan de Fuca oceanic spreading center. Most of the Cascades in Oregon and California consist of relatively small shield-shaped volcanoes. Each of them erupted in rather brief periods of time and consist largely of lavas with a limited range of basalt to basaltic–andesite compositions. By contrast, a relatively few larger volcanoes of the arc have a wide range of compositional types—mainly daites and andesites—and are complexly evolved, long-lived stratocones that consist both of lavas and of fragmental, more explosively erupted volcanic rocks.

Mount Shasta is the largest strato–volcano of the Cascade chain. At nearly 500 km3, it is comparable in volume to such well–known volcanoes as Fuji–san (Japan) and Cotopaxi (Ecuador). The peak rises to an elevation of 4,317 m (14, 162 feet), more than 3,200 m (10,500 feet) above its base, and dominates the landscape in much of northern California.

The trip will include several stops to observe the Shasta Valley, Mount Shasta itself, and a variety of geological features associated with it. Most stops require little walking beyond exiting the vehicles. Of the eight stops planned, stop 3 requires about a half mile round trip of walking on a well marked Forest Service trail; stop 5 requires about 100 yards of walking each way over somewhat irregular ground; and stop 6 is a little over a half–mile round trip on an unpaved road across level ground. Stop 8 offers the option of longer walks, up to a mile or so, depending on the time available at the end of the trip before the return to Ashland, but no walking is necessary. The last two stops are on Mount Shasta at elevations of about 6,200 and 7,800 feet respectively.

No special equipment is needed, although good walking shoes and jackets appropriate for the elevations at the last 2 stops are desirable.

Includes transportation and box lunch. Cost: $50.



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Thursday, 17 June 8:00 a.m. to approximately 5:00 p.m.
Field Trip 3: Serpentine Geology and Botanical Diversity of Eight Dollar Mountain and the Illinois River Valley, Southern Oregon
Departs from the parking lot in front of Science Hall (yellow lot 30 on the map).

Organized by Dr. Michael Parker (Department of Biology, Southern Oregon University), this trip will travel to the Illinois River Valley to explore unique and diverse plant communities in one of North Ameria's most geologically complex regions. From Jeffrey pine savannahs and shrublands to fens inhabited by rare, endemic orchids and carnivorous pitcher plants, we will explore the botanical riches of Eight Dollar Mountain and the scenic Illinois River corridor. We will also visit the Deer Creek Center for Field Research and Education, enjoying lunch on the patio with the spectacular panorama of the Siskiyou Mountains as a backdrop.

Note that this excursion will include short hikes over uneven ground. Sturdy walking shoes are recommended.

Includes transportation and box lunch. Cost: $50.

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