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Gar, large, slender, thick-scaled, predatory fish of family Lepisosteidae, order Semionotiformes, class Actinopterygii. Gars are found in fresh waters of eastern N America, Central America and Cuba, occasionally in brackish water and, rarely, in the sea.
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The common gartersnake (Thamnophis sirtalis) is a relatively small, striped, non-venomous snake. It is one of the most widespread snake species in North America, and its range extends farther north than that of any other North American snake. In Canada, it is found in every province, as far north as James Bay and into the southernmost Northwest Territories. The common gartersnake is broken into five subspecies across Canada: the Maritime gartersnake (Thamnophis s. pallidulus; PEI, NS, NB, QC), the Eastern gartersnake (Thamnophis s. sirtalis; QC, ON), the red-sided gartersnake (Thamnophis s. parietalis; ON, MB, SK, AB, BC, NWT), the valley gartersnake (Thamnophis s. fitchi; BC), and the Puget Sound gartersnake (Thamnophis s. pickeringii; BC).
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Canada's first DIAMOND mine - the Ekati mine near Lac de Gras, NWT - began production in 1998. Most of the diamond production is exported, but a small percentage is reserved for cutting in Canada.
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Several plants of family Gentianaceae, of the genus Gentiana, are commonly known as gentian.
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For centuries people have argued about the age of the Earth; only recently has it been possible to come close to achieving reliable estimates.
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Fundamental to all ordering of events of the Earth's history is the principle of the positional relationships of rock and mineral bodies. For example, in any stratified rock sequence, younger rocks overlie older ones.
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Based on geological history, Canada can be divided into six regions, each characterized by a distinctive landscape: the Canadian Shield, Interior Platform, Appalachian Orogen, Innuitian Orogen, Cordillera and Western Canada Sedimentary Basin, and the Eastern Continental Margin.
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The Geological Survey of Canada (GSC) is Canada's national agency for geoscientific information and research. It studies and reports on Canada’s geology, natural geological hazards, and the development of natural resources. Established in 1842 primarily to promote the mining industry, it is one of the country’s oldest scientific organizations. Throughout its history, the Survey has produced some of the most comprehensive and detailed maps of the Canadian landscape, and published several important reports on its ecology and natural history.
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Earth is 70.8% covered by water, but only with the development of sonar techniques has it become possible to describe the solid earth below the oceans. With increasingly sophisticated satellite observations, relatively fine structural details (eg, areas of volcanic activity) can be seen.
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Geomorphology is related to GEOLOGY because of the importance of long timescales, tectonic deformation of Earth's crust (seePLATE TECTONICS), and rock and sediment properties; and to physical geography through its association with CLIMATE, BIOGEOGRAPHY, SOIL SCIENCE, and HYDROLOGY.
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Geranium, annual, biennial or perennial plant of genus Geranium, family Geraniaceae, with opposite, palmate and often divided leaves.
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Ginseng is a herbaceous perennial plant of genus Panax, ginseng family (Araliaceae), discovered in North America by Joseph-François Lafitau.
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A glacier is a large mass of ice, formed at least in part on land, that shows evidence of present or past movement. It is formed by the compaction and recrystallization of snow into ice crystals and commonly also contains air, water and rock debris. With approximately 200,000 km2 of glacier coverage in the Arctic and the West, Canada is home to a significant percentage of the world’s glaciers. By 2100, however, scientists predict that those in Alberta and British Columbia will have lost 70 per cent of their 2005 volume due to climate change.
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Gold (Au) is a bright, shiny, yellow metal, notable for its high density (19.3 times the weight of an equal volume of water) and valued for its extreme ductility, strong resistance to corrosion, lustrous beauty and scarcity.
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Goldenrod, genus Solidago, showy, perennial, herbaceous plant of the Compositae or Asteraceae family.
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