Earth Science

1. Canadian Geophysical Union  (site info) Promote the focus for the geophysical sciences in Canada. Provides information on membership, events, news and links. http://www.cgu-ugc.ca/ 2. GSC Canadian Geomagnetic Reference Field  (site info) Calculate values of magnetic declination, or any other component of the magnetic field, over Canada and adjacent areas. http://www.geolab.nrcan.gc.ca/geomag/cgrf_e.shtml 3. Mineralogical Association of Canada  (site info) Information and activities to advance the knowledge of mineralogy and the allied disciplines of crystallography, petrology, geochemistry and mineral deposits. http://www.mineralogicalassociation.ca/ 4. Earth Impact Database  (site info) A crater inventory that contains the craters name, location, latitude and longitude, diameter and age. Offers background information, images and an FAQ. http://www.unb.ca/passc/ImpactDatabase/ 1-4 of 4.