https://geoscan.nrcan.gc.ca/starweb/geoscan/servlet.starweb?path=geoscan/fullf.web&search1=R=202803
Natural Resources Canada, 1995
Fossils from mudstone and siltstone lithoclasts in 13 kimberlite pipes in the Lac de Gras area include well preserved dinoflagellates, pollen, spores, wood,...
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