OttawaRocks: Cliffs United Taconite mine, Minnesota Oct 2010
OttawaRocks: Cliffs United Taconite mine, Minnesota Oct 2010
OttawaRocks: Cliffs United Taconite mine, Minnesota Oct 2010
OttawaRocks: Cliffs United Taconite mine, Minnesota Oct 2010
OttawaRocks: Lake Superior North Shore beach Minnesota
OttawaRocks: Lake Superior North Shore beach Minnesota
OttawaRocks: Lake Superior North Shore Minnesota 2010 (4)
OttawaRocks: Quartz crystals from Soudan iron mine, Minnesoata. 2010
OttawaRocks: Banded iron formation, doubly folded, Soudan iron mine, Minnesota
OttawaRocks: Banded iron formation, doubly folded, Soudan iron mine, Minnesota
OttawaRocks: Banded iron formation, doubly folded, Soudan iron mine, Minnesota
OttawaRocks: Banded iron formation, doubly folded, Soudan iron mine, Minnesota
OttawaRocks: Exploring Rajasthan, India.
OttawaRocks: A nilgai in Rajasthan, India
OttawaRocks: A great turnout for this field trip in Rapid City, SD. Hmmm, I wonder why...?
OttawaRocks: Late dykes cutting iron formation in the old Homestake open pit mine in Lead, South Dakota
OttawaRocks: Rapid City - Homestake trip. Old open pit in Lead, SD.
OttawaRocks: Cone structures NE Manitoba
OttawaRocks: Close-up of spectacular back-rotated blocks of white sandstone in red dolostone of the Rossport Fm, Sibley Group, north shore of Lake Superior, Ontario.
OttawaRocks: erosional potholes in Grenville marbles, shoreline of Crow Lake, Ontario