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The Long Range Mountains are a series of mountains along the west coast of the Canadian island of
/ref> In 2003, it was announced that the
The Long Range Mountains are a series of mountains along the west coast of the Canadian island of Newfoundland
Newfoundland and Labrador (; french: Terre-Neuve-et-Labrador; frequently abbreviated as NL) is the easternmost province of Canada, in the country's Atlantic region. The province comprises the island of Newfoundland and the continental region ...
. The long range mountains form the northernmost section of the Appalachian mountain chain on the eastern seaboard of North America
North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
.
Mapping of the Great Northern Peninsula was first done in the early 1900s by Mattie Mitchell
Matty Mitchell (June 1846 - 1921) was a Mi’kmaq Chieftain, guide, prospector, and explorer who contributed to the development of the Newfoundland economy. Mitchell has been described as "the greatest and most resourceful woodsman who ever live ...
, Mi'kmaq chieftain, guide and explorer.Parks Canada – News Releases and Backgrounders/ref> In 2003, it was announced that the
International Appalachian Trail
The International Appalachian Trail (IAT; french: Sentier international des Appalaches, SIA) was originally a hiking trail which ran from Katahdin Woods and Waters National Monument, in Maine, through New Brunswick, to the Gaspé Peninsula of Q ...
would be extended through the Long Range Mountains. A portion of the trail opened in 2006.
Description
The Great Northern Peninsula of Western Newfoundland contains the Highlands, the largest externalbasement
A basement or cellar is one or more floors of a building that are completely or partly below the ground floor. It generally is used as a utility space for a building, where such items as the furnace, water heater, breaker panel or fuse box, ...
massif of the Grenville Orogeny in the Appalachian Orogen
The Alleghanian orogeny or Appalachian orogeny is one of the geological mountain-forming events that formed the Appalachian Mountains and Allegheny Mountains. The term and spelling Alleghany orogeny was originally proposed by H.P. Woodward in 1957 ...
. This Precambrian
The Precambrian (or Pre-Cambrian, sometimes abbreviated pꞒ, or Cryptozoic) is the earliest part of Earth's history, set before the current Phanerozoic Eon. The Precambrian is so named because it preceded the Cambrian, the first period of the ...
basement is known as the Long Range Inlier
An inlier is an area of older rock (geology), rocks surrounded by younger rocks. Inliers are typically formed by the erosion of overlying younger rocks to reveal a limited outcrop, exposure of the older underlying rocks. Fault (geology), Faulting o ...
, Long Range Complex or Basement Gneiss Complex, consisting of quartz- feldspar gneisses and granites that are up to 1,550 million years in age. The Long Range dikes The Long Range dikes are a Neoproterozoic mafic dike swarm of Newfoundland and Labrador, Canada. It consists of a large igneous province with an area of that was constructed about 620 million years ago when Laurentia broke-up from Baltica. Its ...
are mafic in composition and have an age of about 605 million years.
Running along the Gulf of St. Lawrence
The Gulf of St. Lawrence () is the outlet of the North American Great Lakes via the St. Lawrence River into the Atlantic Ocean. The gulf is a semi-enclosed sea, covering an area of about and containing about of water, at an average depth of .
...
, the range includes the following sections:
* Anguille Mountains
The Anguille Mountains ( ) are a section of the Long Range Mountains located on the west coast of the island of Newfoundland, Canada, along the Gulf of St. Lawrence.
Covering the first area from Cape Anguille along Bay St. George, the mountains ...
,
* Lewis Hills,
* Tablelands (a section of the Earth's mantle
A mantle is a piece of clothing, a type of cloak. Several other meanings are derived from that.
Mantle may refer to:
*Mantle (clothing), a cloak-like garment worn mainly by women as fashionable outerwear
**Mantle (vesture), an Eastern Orthodox ve ...
exposed at the surface)
* main section of the Long Range Mountains (running northeast from the Tablelands through Gros Morne National Park
Gros Morne National Park is a National Parks of Canada, Canadian national park and World Heritage Site located on the west coast of Newfoundland and Labrador, Newfoundland. At , it is the second largest national park in Atlantic Canada after To ...
)
See also
*Avalonia
Avalonia was a microcontinent in the Paleozoic era. Crustal fragments of this former microcontinent underlie south-west Great Britain, southern Ireland, and the eastern coast of North America. It is the source of many of the older rocks of Wester ...
References
{{Authority control Mountain ranges of Newfoundland and Labrador Subranges of the Appalachian Mountains