geology of georgian bay

It is located entirely within the borders of Ontario, Canada. The Georgian Bay Islands National Park, established in 1929, comprises some 40 islands in the southeastern and western parts of the bay. The French Jesuit Jean de Brébeuf began a mission in Huronia in 1626. The park’s landscape is varied and includes glacier-scraped rocks and some dense forests.

Manitoulin Island, lying along the northern side of the bay, is the world's largest island in a freshwater lake. Owen Sound, Wiarton, and Lion's Head are located on the Bruce Peninsula along the southern and southwestern shores of the bay, while Tobermory is located at the northern tip of the Bruce Peninsula on the Main Channel. The bay’s important commercial shipping focuses on the ports of Parry Sound, Port McNicoll, Collingwood, Midland, and Owen Sound. Mississauga Geology - Georgian Bay Formation The City of Mississauga is underlain by bedrock formed during the Palaeozoic Era. In 1814, during the War of 1812 between Great Britain and the United States, one of the battles was fought in southern Georgian Bay.

In October 2004, the Georgian Bay Littoral was declared a Biosphere Reserve by UNESCO. North of Georgian Bay, you transition to very ancient rock from the Grenville Province dating back roughly a billion years when a supercontinent, Rodinia, was formed. The bay was named for Britain’s George IV by Captain Henry Bayfield of the Royal Navy. The North Channel, located between Manitoulin Island and the Sudbury District, west of Killarney, was once a popular route for steamships and is now used by a variety of pleasure craft to travel to and from Georgian Bay. Some of the 32 can be toured by the public, some cannot, and some are accessible only by tour boats or private boat.[8].

Most of these islands are along the east side of the bay and are collectively known as the "Thirty Thousand Islands", including the larger Parry Island. The passenger ferry MS Chi-Cheemaun travels from Tobermory across the Main Channel to South Baymouth on Manitoulin Island. The town of Penetanguishene now has a large statue of Kitchikewana on its main street. The French explorer Samuel de Champlain was the first European to record seeing part of the Great Lakes when he reached Georgian Bay from the north in 1615. These rocks are consequently highly metamorphosed with the exception of some plutonic intrusions, and you will find great variability in … Our editors will review what you’ve submitted and determine whether to revise the article. The French explorer Samuel de Champlain was the first European to record seeing part of the Great Lakes when he reached Georgian Bay from the north in 1615. Over the years, 32 lighthouses were built on Georgian Bay. Further north, Lake Nipissing drains into Georgian Bay through the French River. To its northwest is the North Channel. Because of its size and narrowness of the straits joining it with the rest of Lake Huron, which is analogous to if not as pronounced as the separation of Lake Huron and Lake Michigan,[6] Georgian Bay is sometimes called the "sixth Great Lake".[7]. Thus, the 30,000 Islands were created. The Queenston Formation and the underlying Georgian Bay Formation were both formed during the Ordovician Period (400 to 425 million years ago) when this area was covered by a shallow warm sea. Georgian Bay (bay, Ontario, Canada) - Encyclopædia Britannica, Georgian Bay - definition of Georgian Bay by the Free Online Dictionary, Thesaurus and Encyclopedia, "Nearly as large as Lake Ontario, it is one of the world's great bodies of fresh water. The islands and shorelines of Georgian Bay belong to an area of mixed coniferous and hardwood forest known as the Great Lakes - St. Lawrence Forest Region. This site was developed and is maintained by, Parry Sound Greenstone Belt of meta-volcanic, meta-sedimentary, and igneous rocks, Ontario Gneiss Belt of igneous rock types. Six of them were designed with limestone towers; these were built in the 1850s and are known collectively as the Imperial Towers. Georgian Bay, bay, northeastern arm of Lake Huron, south-central Ontario, Canada. At its widest point it is over 30 km (20 miles) wide. Through scouring and deposition, a rocky landscape has evolved along with small deposits of soil in which only the hardiest of vegetative species can exist. Wyandot legend tells of a god called Kitchikewana, who was large enough to guard the whole of the Georgian Bay. [10] YMCA Camp Kitchikewana, or Kitchi for short, has been located in Georgian Bay Islands National Park since 1919. The first nautical charts of Georgian Bay were made in 1815 by Captain William Fitzwilliam Owen, who called it Lake Manitoulin. The indentations left behind by his fingers form the five bays of Georgian Bay: Midland Bay, Penetang Bay, Hog Bay, Sturgeon Bay, and Matchedash Bay. Kitchikewana was known for his great temper, and his tribe decided the best way to calm him was with a wife. The Main Channel separates the Bruce Peninsula from Manitoulin Island and connects Georgian Bay to the rest of Lake Huron. Several weeks later, Nancy was avenged when British boarding parties in the De Tour Passage surprised and captured two of the three American vessels. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. There are communities of summer cottages on the north and east shore and on the adjacent 30,000 Islands. Ontario Gneiss Belt of igneous rock types. Georgian Bay and notably Parry Sound and The Massasauga Provincial Park, are geologically significant areas consisting of two distinct bedrock types: Parry Sound Greenstone Belt of meta-volcanic, meta-sedimentary, and igneous rocks. The surrounding region is well forested except for an apple-growing area along the southern shore.

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