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This is a list of stratigraphic units in Ontario bearing fossils. Group or formation ... Detroit River Group/Lucas Formation: Devonian: Don Beds Formation: Canada ...
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.
The Detroit River Group is a geologic group in Michigan and Ohio. It preserves fossils dating back to the Devonian period. ... Canada and Adjacent Area, ...
This page was last edited on 19 February 2023, at 19:19 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
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.
The Southern province is a narrow region from Sault Ste. Marie to Kirkland Lake, is made of rocks dating 1.8 to 2.4 billion years ago. [1] The Hudson Bay lowlands, located north of the Canadian Shield, are mainly made of sedimentary rocks from the Silurian Period, although some parts date from the Ordovician and Devonian periods. [1]
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 ...
To the west, its equivalent, the Detroit River Group, [4] outcrops near Detroit and Windsor just north of the Lake Erie shoreline (as shown in the map on the right). The Detroit River Group is not topographically distinct west of Windsor in Michigan, but is noticeable as a steep hill just northwest of Leamington .