Apologies for any duplication:

Forwarded from Woods Hole's "Latest from Oceanus Magazine" new
article/research brief alert:

A "thinking map" of North America:
http://oceanusmag.whoi.edu/v44n1/briefs1.html#map

For geologist Brian Tucholke, creating a new Geologic Map of North
America was a 23-year adventure. Published in February by the Geological
Society of America (GSA), the map illustrates the geology of
approximately 15 percent of Earth's surface and spans an area from the
North Pole to Venezuela, and from Ireland to Siberia.


More info. at
http://rock.geosociety.org/bookstore/default.asp?oID=0&catID=2&pID=CSM001F



Jeff

Jeff Rothal
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