DEEPTIME ZONE 2

Continents Collide

Colorful DEEPTIME logo design

1.8 billion years - Serpent River to Killarney

The white rolling quartzite hills of the La Cloche Mountains, beloved by artists of the Group of Seven, are the stumps of once high mountains. These formed when ancient North America collided with other landmasses to form a supercontinent called Nuna about 1.8 billion years ago. Quartzites and other rocks of the Huronian Ocean were squeezed and folded creating a fold belt like the Rocky Mountains today. Ancient volcanic magmas are exposed as the red granite hills of Killarney.

Geological map highlighting continents collide area

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Two-eyed seeing

Indigenous place-based narratives for DEEP TIME ZONE 2 are being developed in concert with Indigenous-owned creative agency Design de Plume, regional Knowledge Keepers and Georgian Bay Indigenous community representatives. To find out more or provide input please contact us.

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Killarney Provincial Park: Red Granite and White Quartzite

Killarney boasts geology unlike any other place in Ontario,with the gnarly white quartzite of the La Cloche mountains, formed during the Penokean Orogeny, to the glacially scoured 'sugarloaf' red granite hills, stemming from the Grenville Orogeny. To experience the geology take the Chikanishing Trail off Highway 637, which should take approximately an hour, to get great views of the Georgian Bay coast and the white hills of the La Cloche Mountains in the distance.

Killarney

Killarney is an icon hidden in the far northern reaches of Georgian Bay. Located east of the entrance to the North Channel, which separates Manitoulin Island from Lake Huron, and surrounded by the white quartzite ridges of the La Cloche Ranges, rounded glacially-sculpted peaks of pink granite and evergreen White Pines, the Killarney Channel and its small portside community is sheltered from the deeper waters of Georgian Bay by George Island. For ever associated with the work of A.Y. Jackson, a prominent member of the Group of Seven artists, it is the oldest community on the north shore of Georgian Bay. The community lies close to the ghost towns of the French River, Collins Inlet and Key Harbour, and has a total population of about 500 people. The site, first named Shebahonaning (canoe passage), was settled in 1820 by fur trader Étienne Augustin de Lamorandière and his Anishinaabe wife Josephte Saisaigonokwe. It was only connected by Highway 637 to Highway 69 in 1962, two years before the founding of Killarney Provincial Park famous for its pristine clear lakes and winding trails. Herbert Fisheries and Fish and Chips on dockside is world famous and plays the same role (but uses local fish) in inducing boaters and tourists to visit the area that Henry’s Fish and Chips does in Sans Souci near the South Channel entrance to Parry Sound. Nearby Baie Fine is a superb example of a deep, narrow glacially-excavated valley now flooded by the waters of Lake Huron and resembles the fiords of Canada’s coast.

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ZONE 2 ROCKS

Sudbury Impact Breccia

Impact breccia refers to a distinctive rock type found around the Sudbury area (N29) consisting of angular fragments of many different types of rock (the breccia is therefore said to be 'polymict') al...
ZONE 2 ROCKS

The Clear Lake Earthquake

At Espanola Municipal Centennial Park there is a classic example of deformation produced when an ancient earthquake shook soft sediment some 2 billion years ago. This is a sedimentary 'clastic dike'.
ZONE 2 LANDSCAPE

Penokean Thrust and Fold Belts

The drive south along Highway 6 from Espanola to Manitoulin Island takes us across a classic example of a "fold and thrust" belt. The road cuts through ridge after ridge of steeply dipping Huronian ma...
ZONE 2 ROCKS

Espanola Turbidites

Two and a half billion years ago northern Ontario was a quiet place-but it did not remain so for very long. The old rocks of the Superior Province were soon buried under thick layers of Huronian Sands...
ZONE 2 URBAN

Killarney Mountain Lodge

Smooth rocky outcrops of streamlined granite adorn the property, abraded below the last ice sheet can be seen. These are known as ‘whalebacks’ as they resemble the backs of whales breaking above the s...
ZONE 2 ROCKS

Thebo Point

The trail leading to the Killarney East Lighthouse from Killarney Townsite crosses several granitic promontories. The second, Thebo Point, has prominent, very straight fractures on it's east coast whi...
ZONE 2 HISTORY

Killarney East Lighthouse

Known originally as Red Rock Lighthouse and Partridge Island Lighthouse, the two Killarney lights are now listed as Killarney East and Killarney Northwest. Square, wooden towers, which measured twenty...
ZONE 2 GEOCULTURAL

Shebahonaning - Killarney Channel

The remarkably straight channel separating Killarney from George Island is one of many deep-seated fractures in the Canadian Shield (e.g. Collins Inlet, the Key River, the French River). It is called ...
ZONE 2 URBAN

Church of St. Bonaventure

This cemetery, which is part of the Roman Catholic Diocese of Sault Ste. Marie, was once maintained by the Parish Council and dates back more than a century. St. Joseph's Church was constructed in 188...

Discover the DEEP TIME geology of the Georgian Bay Geopark

DEEP TIME’ is the themed expression of how exploring and understanding the past helps create a better future. The unique DEEP TIME story and its eight geological chapters encourages both visitors and residents to know the past, celebrate the present and help create a more resilient future for the Bay and its many communities.

DEEP TIME Zone 1

The Huronian
Ocean

2.7 billion years
Sault Ste Marie to Serpent River

The ancient mineral-rich rocks of the North Channel record the breakup of the planet’s oldest supercontinent – and the birth of the Huronian Ocean.

DEEP TIME Zone 2

Continents
Collide

1.8 billion years
Serpent River to Killarney

Currently
Viewing

DEEP TIME Zone 2

Continents
Collide

1.8 billion years
Serpent River to Killarney

Currently
Viewing

DEEP TIME Zone 3

The Ancient
Himalayas

1.3 billion years
Killarney to Honey Harbour

The waterscape of the 30,000 Islands exposes the deep crustal roots of the immense Grenville Mountains formed when North and South America collided.

DEEP TIME Zone 4

Tropical
Seas

500 million years
Manitoulin Island

Much of North America was covered by warm shallow seas, teeming with early marine life that left fossil-rich limestones on Manitoulin Island.

DEEP TIME Zone 5

The Limestone
Coast

350 million years
Tobermory to Wiarton

Within the last 2 million years, the Bruce/Saugeen peninsula was scoured by Ice Age ice sheets that cut deep valleys into the face of the Niagara Escarpment such as at Owen Sound.

DEEP TIME Zone 6

Ice Ages &
Early Cultures

13,000 years
Collingwood to Wiarton

The raised beaches of glacial Lake Algonquin surround the coast of southern Georgian Bay like staircases and hosted the camps of caribou-hunting Paleo-Indians 11,000 years ago.

DEEP TIME Zone 7

The Meeting
Place

Last 10,000 years
Collingwood to Honey Harbour

The ancient hard rocks of the Canadian Shield meet the softer limestones of the ancient seas creating a stark contrast in landscapes, ecosystems, and a diverse cultural history unique in North America.

DEEP TIME Zone 8

Mindo Gami Great
Spirit Lake

4,000 years to today
Waters of Georgian Bay

In 1615 Samuel de Champlain called Georgian Bay ‘La Mer Douce’ (the sweet water sea). An early map also portrays it as Karegnondi, derived from ‘lake’ in the language of the Petun First Nation.

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