State Rock: Petoskey Stone (Hexagonaria percarinata)

State Fossil: Mastodon

State Gem: Greenstone (Chlorastrolite)

Related organizational links that might be of interest to MESTA members. For other Earth Science sites and locations for lessons, access the navigation bar at the left under “Earth Science Sites”.

National Earth Science Teachers Association (NESTA):

http://www.nestanet.org

National Science Teachers Association (NSTA):

http://www.nsta.org

Michigan Science Teachers Association (MSTA):

http://www.msta-mich.org

Metropolitan Detroit Science Teachers Association (MDSTA):

http://www.mdsta.org

Michigan Technological University (Teachers’ Education and Professional Development):

http://www.ed.mta.edu

Michigan Basin Geological Society:

http://www.mbgs.org

Ohio Earth Science Teachers Association (OESTA):

http://www.oesta.org

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