Yakima Fold Belt


September 23, 2002
University of Arizona Lunar and Planetary Laboratory
Washington State Field Trip

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Ross Beyer, with the Hanford Nuclear Reservation steaming behind him.
(photo: Jason Barnes)
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Dr. Steve Reidel (dark hair and white beard with rolled up poster in hand) from Batelle Labs kindly escorted us onto the Hanford Nuclear Reservation. Here we discuss the general geology of the area while standing at the base of Rattlesnake Mountain.
(photo: Jason Barnes)
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Gwen Bart and Jonathan Fortney gaze down the back of Rattlesnake Ridge, part of the Yakima Fold Belt that might be analogous to planetary wrinkle ridges also found on Mercury, the Moon, and Mars.
(photo: Jason Barnes)
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The top of Rattlesnake Mountain used to be an antiaircraft site protecting Handford during and after World War II.
(photo: Jason Barnes)
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Curtis Cooper in front of an Air Force telescope on top of Rattlesnake Mountain.
(photo: Jason Barnes)
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Windy Jaeger talked about the formation of the Yakima Folds.
(photo: Jason Barnes)
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Windy Jaeger demonstrates hands-on geology while espousing the virtues of different wrinkle ridge formation scenarios.
(photo: Jason Barnes)
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Vic Baker, Laszlo Kesztheyi, Steve Reidel, and Windy Jaeger on top of Rattlesnake Mountain.
(photo: Jason Barnes)
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Self portrait of me in front of Mount Rainier from on top of Rattlesnake Mountain.
(photo: Jason Barnes)
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Dr. Steve Reidel in front of Umtanum Ridge, part of the Yakima Fold Belt of wrinkle ridges.
(photo: Jason Barnes)
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McCoy Canyon landslide.
(pencil drawing: Adam Showman)
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Abby Sheffer (nee Wasserman) talks about fossils at the Ginkgo State Park.
(photo: Jason Barnes)
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At Ginkgo State Park.
(photo: Jason Barnes)
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Abby Sheffer, Windy Jaeger, Mike Bland, and Alfred McEwen study a cross-sectioned streamlined hill.
(photo: Jason Barnes)
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Trying to figure out what was going on inside the streamlined hill.
(photo: Jason Barnes)
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Waterfall (and rootless cone remnant?) from the car while driving through Frenchman Springs coulee.
(photo: Jason Barnes)
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Me in front of some massive colonnade hexagonal columns in Frenchman Springs coulee.
(photo: Jason Barnes)
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Joe Plassman attempts to scale the basalt columns.
(photo: Jason Barnes)
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Exploring Frenchman Springs coulee.
(photo: Jason Barnes)
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Me in front of Frenchman coulee.
(photo: Jason Barnes)
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Frenchman Springs coulee.
(pencil drawing: Adam Showman)
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Matt Tiscareno talks about vortex scouring.
(photo: Jason Barnes)