Guided geology field trip to Park Butte, Mount Baker

This guided geology field trip was posted yesterday on teh Mount Baker Volcano Research Center website. The trip is already nearly half full, so don’t delay!

Mount Baker Volcano Research Center subscription website

Baker and the Black Buttes from the meadows below Park Butte. Baker and the Black Buttes from the meadows below Park Butte.

MBVRC is offering a guided geology hike to Park Butte, near the south flank of Mount Baker. Registration information is below. The trip is oriented toward the general public with an interest in geology, but no previous geologic background is necessary.

Wednesday, August 20, 8:30 am to 6:00 pm.

The 7-to-8 mile round trip hike offers great views of Mount Baker’s glacier-clad south slope, the glacially-gutted Black Buttes volcano, and  the Twin Sisters range. We will see deposits left by glacier outburst floods, a Mount Baker lahar, the early Holocene Sulphur Creek lava, a rare type of lava for the Baker volcanic center (olivine basalt at Cathedral Crag), several volcanic ash layers, Pleistocene lake deposits, and some of the oldest rock known in the North Cascades (Yellow Aster gneiss in the Bell Pass Melange).  At Tarn Plateau we…

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