Manitoulin Dolomite - Wikipedia
The Manitoulin Dolomite is a geologic formation in Ontario. It preserves fossils dating back to the Silurian period.
Drummond Dolomite - Drummond Island Tourism Association
Drummond Island is part of what geologist call the Engadine corona, which is a vast formation of dolomite originating on the eastern tip of Great Manitoulin Island and extending westward in a …
The Manitoulin dolomite is the oldest Silurian formation in Michigan. It consists of thin-bedded, buff-gray to gray, cherty dolomite and massive gray dolomite composing the cores of …
Manitoulin Dolomite, Ontario, Canada - mindat.org
Cuffey R. J., Copper P. (1989) Honora Bay bryozoan bioherms, Lower Silurian, Manitoulin Island, Ontario, Reefs, Canada and adjacent areas. Canadian Soc. Petrol.
A Guide to the Paleozoic Geology and Fossils of Manitoulin Island …
2009年9月10日 · The tan to yellow bedrock units in the central to southern half of the island are predominantly dolostones and mixed dolomitic shales and shaly carbonates of the Lower …
Dolomite Rock Technical Data - Odawa Stone
According to geological mapping of the area, the Odawa stone quarry at Silver Water is part of the Middle Silurian encompassing the Amabel formation. Niagara North is a Dolomitic Limestone. …
Manitoulin Dolomite Member | Indiana Geological & Water Survey
Type locality and use of name: The Manitoulin Dolomite Member of the Cataract Formation was named by Williams (1913) because of its importance on Manitoulin Island in the northern part …
The island is part of the Niagara cuesta, the rim of the great dolomite saucer that underlies the Michigan basin. If it were not for a few low spots, this rim would divide Lake Huron into two …
Dolomite: Mineral information, data and localities. - mindat.org
Dark or black iron rich (10% of the magnesium site) dolomite found as euhedral crystals embedded in gypsum-rich marls, originally described from Teruel, Aragón, Spain. The name …
The Geologic History of Manitoulin Island | Vanessa Farnsworth
2023年6月15日 · During the Paleozoic era (540 to 250 million years ago), Manitoulin lay beneath a shallow sea and, as the centuries passed, sedimentation began to form a thick layer of …