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Middle Ordovician (Whiterockian-Chazyan) trilobites from the Sunblood Formation, District of Mackenzie
(Brock University, 1989-07-09)
The Middle Ordovician Sunblood Formation in the South Nahanni River
area, District of Mackenzie, comprises mainly limestones and
dolostones of intertidal and shallow subtidal origin as indicated by the
presence of ...
Biogeochemistry of Paleozoic brachiopods from New York State and Ontario
(Brock University, 1989-07-09)
A comprehensive elemental, isotopic and microstructural analyses was
undertaken of brachiopod calcites from the Hamilton Group (Middle Devonian),
Clinton Group (Middle Silurian) and Middle to Upper Ordovician strata ...
Microstructural and geochemical investigation of North American lower-middle Paleozoic trilobites and recent arthropods
(Brock University, 1989-07-09)
Trilobites ¥tere collected from Ordovician and Devonian formations of Ontario}
New York} Ohio} Oklahoma} and Indiana. Diversity was generally low} but 19..?telllS and
Ph..~tY>ps ¥tere the most abundant species from the ...