2011 GSA Annual Meeting in Minneapolis (9–12 October 2011)
414 Saturday, 8 October 2011
7:00 AM-9:00 PM, Minneapolis Convention Center: Ballroom A Foyer, 2nd Ave. Entrance

Geology Under the Surface: Lake Superior and the Research Vessel Blue Heron

Primary Leader: Richard D. Ricketts
Leader(s): Steven Colman, Thomas C. Johnson
Field Trip Description: Enjoy early October on Lake Superior aboard the University of Minnesota’s research vessel, the Blue Heron. During the cruise, the scientists and technicians aboard the vessel will demonstrate the scientific capabilities of the vessel including a suite of coring and geophysical instruments. Participants in the cruise will observe features resulting from isostatic rebound since the last glaciation such as the drowned Nemadji River channel and drowned beach ridges as well as shore line erosion. Participants will be driven to Duluth MN, the homeport of the R/V Blue Heron, from Minneapolis. Once they are in Duluth, there will be two trips out onto the lake: a morning and an afternoon cruise. During the time participants are not on board the vessel they will be taken on a short Lake Superior North Shore field trip exploring aspects of the Quaternary and Precambrian geology near Duluth. The cruise is subject to cancellation due to severe weather.
Field Trip will span: 1 day

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