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Index fossils must have a short vertical range, wide geographic distribution and rapid evolutionary trends. Another term, "zone fossil", is used when the fossil has all the characters stated above except wide geographical distribution; thus, they correlate the surrounding rock to a biozone rather than a specific time period.
Pages in category "Fossils of Canada" The following 200 pages are in this category, out of approximately 215 total. This list may not reflect recent changes.
Many of Canada's major ore deposits are associated with greenstone belts. [ 15 ] The Sturgeon Lake Caldera in Kenora District , Ontario, is one of the world's best preserved mineralized Neoarchean caldera complexes, which is 2.7 Ga. [ 16 ] The Canadian Shield also contains the Mackenzie dike swarm , which is the largest dike swarm known on ...
The following lists of mines in Canada are subsidiaries to the list of mines article and lists working, defunct and future mines in the country and is organised by the primary mineral output and province. For practical purposes stone, marble and other quarries may be included in this list.
The Burgess Shale is a fossil-bearing deposit exposed in the Canadian Rockies of British Columbia, Canada. [ 2 ] [ 3 ] It is famous for the exceptional preservation of the soft parts of its fossils. At 508 million years old ( middle Cambrian ), [ 4 ] it is one of the earliest fossil beds containing soft-part imprints.
Massive iron deposits are found in the Labrador Trough along with copper, uranium and molybdenum. Iron forms in chert from the Ungava Bay to the Grenville Front, over a span of 700 miles, while copper and nickel minerals such as pyrite, pyrrhotite, sphalerite and galena form dispersed deposits or massive bodies in Kaniapiskau Supergroup rocks.
This is a list of stratigraphic units in Ontario bearing fossils. Group or formation Period ... Canada: Dyer Bay Formation: Silurian:
The merging of the 'ARD List' (approved, revalidated and discredited) with the 'GQN List' resulted in the first 'IMA/CNMNC List of Mineral Names'. The 2007 draft of the 'IMA/CNMNC List of Mineral Names' was a courtesy of the Materials Data, Inc. (MDI), its 2009 review had important modifications.