| James Lake | |
|---|---|
 Southwestern shore of James Lake viewed from Northland Pyrite Mine. | |
  James Lake | |
| Location | Temagami, Ontario |
| Coordinates | 47°10′43.71″N79°44′14.60″W / 47.1788083°N 79.7373889°W |
| Type | natural freshwater lake with acidic water in part of it |
| Basin countries | Canada |
| Max. length | 2.25 kilometres (1.40 mi) |
| Max. width | 0.36 kilometres (0.22 mi) |
| Islands | various islands and islets |
James Lake is a lake in northeastern Ontario, Canada, located in the Temagami region along Highway 11.
Water levels of James Lake increased and decreased in the early 1900s. [1] The cause of this alternation could have been caused by beavers building dams in the lake's outlet, eventually causing the water levels in rise. [1] This rise in water levels began to cease in 1906 when operations of Northland Pyrite Mine on the lake's southwestern shore dumped waste rock into the lake. [1] Erosion of the waste rock resulted in the development of acidic lake waste waters next to the waste pile, causing neighboring organisms to disappear. [1]
The Canadian Shield, also called the Laurentian Plateau, is a geologic shield, a large area of exposed Precambrian igneous and high-grade metamorphic rocks. It forms the North American Craton, the ancient geologic core of the North American continent. Glaciation has left the area with only a thin layer of soil, through which exposures of igneous bedrock resulting from its long volcanic history are frequently visible. As a deep, common, joined bedrock region in eastern and central Canada, the Shield stretches north from the Great Lakes to the Arctic Ocean, covering over half of Canada and most of Greenland; it also extends south into the northern reaches of the United States.
Subsidence is a general term for downward vertical movement of the Earth's surface, which can be caused by both natural processes and human activities. Subsidence involves little or no horizontal movement, which distinguishes it from slope movement.
Open-pit mining, also known as open-cast or open-cut mining and in larger contexts mega-mining, is a surface mining technique of extracting rock or minerals from the earth from an open-air pit, sometimes known as a borrow.
Lake Temagami, formerly spelled as Lake Timagami, is a lake in Nipissing District in northeastern Ontario, Canada, situated approximately 80 km north of North Bay. The lake's name comes from dimii-agamiing "tih-MEE-uh-guh-MEENG", which means "it is deep water by the shore" in the Ojibwa language.
Lake Karachay, sometimes spelled Karachai or Karachaj, was a small lake in the southern Ural mountains in central Russia. Starting in 1951, the Soviet Union used Karachay as a dumping site for radioactive waste from Mayak, the nearby nuclear waste storage and reprocessing facility, located near the town of Ozyorsk. Today the lake is completely infilled, acting as "a near-surface permanent and dry nuclear waste storage facility."
The Obabika River Provincial Park is a provincial park in Ontario, Canada, straddling across the boundaries of the Sudbury, Nipissing, and Timiskaming Districts. While it is named after and includes the Obabika River, the bulk of the park extends north of Obabika Lake to the eastern boundary of Lady Evelyn-Smoothwater Provincial Park.
Temagami, formerly spelled Timagami, is a municipality in northeastern Ontario, Canada, in the Nipissing District with Lake Temagami at its heart.
Maple Mountain is a mountain, located within Lady Evelyn-Smoothwater Provincial Park, Northeastern Ontario, Canada, estimated 642 m (2,106 ft) above mean sea level. It has a higher vertical rise over the surrounding landscape, 37 m (121 ft) higher than the Ishpatina Ridge, which is the highest point of land in Ontario rising over Scarecrow Lake. Maple Mountain rises over Tupper Lake and is considerably better known than Ishpatina Ridge. It ranks thirteenth, but when ranked by vertical rise it is the highest of the top 25 peaks in Ontario. The 100-ft fire tower is also still intact and attracts many hikers. A 3.2 kilometre long hiking trail leads to the abandoned fire tower.
The White Bear Forest is an old growth forest, located in Temagami, Ontario, Canada. The forest is named after Chief White Bear, who was the last chief of the Teme-Augama Anishnabai before Europeans appeared in the region. In some parts of the White Bear Forest trees commonly reach 200 to 300 years in age, while the oldest tree accurately aged in White Bear Forest was a red pine that was 400 years old in 1999. The White Bear Forest contains one of Canada's oldest portages, dating back some 3,000 years. Today, more than 17 km (11 mi) of trails access the White Bear Forest. A trail guide is available online at http://ancientforest.org/whitebear.html.
The Temagami River, formerly spelled as Timagami River, is a river in the Nipissing District of Ontario, Canada, in the Temagami region. Its source is Lake Temagami and flows through Cross Lake and Red Cedar Lake. It flows into the Sturgeon River at the community of River Valley.
Cassels Lake is a lake located within the Municipality of Temagami, in the Nipissing District, Ontario, Canada. It contains numerous portages, campsites and is one of three lakes on the eastern edge of the White Bear Forest. The lake is named in honour of Sir Walter Cassels, President of the Exchequer Court of Canada.
The Temagami Greenstone Belt (TGB) is a small 2.7 billion year old greenstone belt in the Temagami region of Northeastern Ontario, Canada. It represents a feature of the Superior craton, an ancient and stable part of the Earth's lithosphere that forms the core of the North American continent and Canadian Shield. The belt is composed of metamorphosed volcanic rocks that range in composition from basalt to rhyolite. These form the east-northeast trend of the belt and are overlain by metamorphosed sedimentary rocks. They were created during several volcanic episodes involving a variety of eruptive styles ranging from passive lava eruptions to viscous explosive eruptions.
Rabbit Lake is a lake in the Temagami region of Northeastern Ontario, Canada, and lies within the townships of Askin, Riddell, and Eldridge. The lake is the largest and southernmost in a chain of lakes including Cassels Lake, Snake Island Lake, and Obashkong Lake. Rabbit Lake was an important trade route to the Natives, and even saw a fight or two. There is a story about a short fight involving Temagami natives and Iroquois. The story goes that there were some Iroquois camping on an island on the lake, and at night some "Temagami's" went ashore and slit the bottoms of their canoes. The next morning the Iroquois were picked off one by one as their canoes sank in the water.
Beanland Mine, also known as Clenor Mine, is an abandoned surface and underground mine in Northeastern Ontario, Canada. It is located about 1 km (0.62 mi) west of Arsenic Lake and 4 km (2.5 mi) northwest of the town of Temagami in central Strathy Township. It is named after Sydney Beanland, who first claimed the mine site in the 1920s and was a director for the mine from 1937 to 1938.
Coeur Alaska, Inc. v. Southeast Alaska Conservation Council, 557 U.S. 261 (2009), is a United States Supreme Court case that was decided in favor of Coeur Alaska's permit to dump mine waste in a lake. The case addressed tailings from the Kensington mine, an underground mine located in Alaska. The gold mine had not operated since 1928, and Coeur Alaska obtained a permit in 2005 from the United States Army Corps of Engineers (USACE) to dispose of up to 4.5 million tons of tailings in Lower Slate Lake, which is located in a National Forest.
The Northland Pyrite Mine, also known as James Lake Mine, Rib Lake Mine, Harris Mine or simply Northland Mine, is an abandoned underground mine in Northeastern Ontario, Canada, located on the southwestern shore of James Lake in Best Township of Temagami. It was operated by the Northland Mining Company during the early 1900s with the construction of a 91 m (299 ft) shaft and many open-cuts north of the shaft. Minerals present at the mine include chalcopyrite, pyrite and pyrrhotite, deposited in Precambrian volcanic rock of the Canadian Shield.
Environmental effects of mining can occur at local, regional, and global scales through direct and indirect mining practices. Mining can cause in erosion, sinkholes, loss of biodiversity, or the contamination of soil, groundwater, and surface water by chemicals emitted from mining processes. These processes also affect the atmosphere through carbon emissions which contributes to climate change. Some mining methods may have such significant environmental and public health effects that mining companies in some countries are required to follow strict environmental and rehabilitation codes to ensure that the mined area returns to its original state.
Tetapaga Lake, also known as Lake Tetapaga, is a narrow east–west trending lake in the Temagami region of Northeastern Ontario, Canada, located at the abandoned iron-bearing Sherman Mine. A gravel road crosses the central portion of the lake, splitting it into two small lakes. The eastern half of Tetapaga Lake is somewhat green in colour due to acid mine drainage water flowing into the lake. The acid mine drainage water results from water seeping through the abandoned iron ore of Sherman Mine along its eastern shore. Its western half is relatively uninfected where very little waste from Sherman Mine exists.
Belle of Temagami, generally referred to as Belle, was a wooden steamboat built and used in Temagami, Ontario, Canada during the first half of the 20th century. She operated as a passenger steamer on Lake Temagami where she brought travellers to cottages, hotels, lodges and camps from the lakeside landing near the Temagami railway station. She was also used to deliver supplies on the lake. Three companies owned Belle throughout her years of service.
There are more than 200 named lakes located partially or entirely within the Municipality of Temagami, Northeastern Ontario, Canada. They are located in all 25 geographic townships comprising this 1,906.42 km2 (736.07 sq mi) municipality. The largest, by both area and volume, is Lake Temagami. It contains more than 1,200 islands and 1,000 km (620 mi) of shoreline. Other significant lakes include Cross Lake, Gull Lake, Net Lake, Obabika Lake and Rabbit Lake.
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