Big Trip to Big Rock Spokane Valley, Washington Jon Bromley, Koby Sonnabend, Alex Deutsch Figure 1: Weathered biotite muscovite granite schist.
Stop 1: Irby Road at Crab Creek At Irby we will briefly introduce: (1) the goals and objectives of the field trip, (2) the basics of Columbia River basalt.
Stop 1: Irby Road at Crab Creek
Big Trip to Big Rock Spokane Valley, Washington
