The Franklin Large Igneous Province is a
Neoproterozoic
The Neoproterozoic Era is the unit of geologic time from 1 billion to 538.8 million years ago.
It is the last era of the Precambrian Supereon and the Proterozoic Eon; it is subdivided into the Tonian, Cryogenian, and Ediacaran periods. It is prec ...
large igneous province
A large igneous province (LIP) is an extremely large accumulation of igneous rocks, including intrusive (sills, dikes) and extrusive (lava flows, tephra deposits), arising when magma travels through the crust towards the surface. The formation ...
in the
Canadian Arctic of
Northern Canada. It represents one of the largest large igneous provinces in Canada, consisting of the
Natkusiak flood basalts
The Natkusiak flood basalts are a sequence of Neoproterozoic continental flood basalts of the Franklin Large Igneous Province on Victoria Island, Canada. The flood basalts were erupted about 720 million years ago after uplift began three to f ...
on
Victoria Island
Victoria Island ( ikt, Kitlineq, italic=yes) is a large island in the Arctic Archipelago that straddles the boundary between Nunavut and the Northwest Territories of Canada. It is the List of islands by area, eighth-largest island in the world, ...
, the
Coronation sills on the southern shore of the
Coronation Gulf
Coronation Gulf lies between Victoria Island and mainland Nunavut in Canada. To the northwest it connects with Dolphin and Union Strait and thence the Beaufort Sea and Arctic Ocean; to the northeast it connects with Dease Strait and thence Queen M ...
and the large
Franklin dike swarm, which extends for more than across the
Canadian Arctic Archipelago
The Arctic Archipelago, also known as the Canadian Arctic Archipelago, is an archipelago lying to the north of the Canadian continental mainland, excluding Greenland (an autonomous territory of Denmark).
Situated in the northern extremity of ...
and northwestern
Greenland
Greenland ( kl, Kalaallit Nunaat, ; da, Grønland, ) is an island country in North America that is part of the Kingdom of Denmark. It is located between the Arctic and Atlantic oceans, east of the Canadian Arctic Archipelago. Greenland i ...
. The Franklin Large Igneous Province covers an area of more than .
Igneous rock associations in Canada 3. Large Igneous Provinces (LIPs) in Canada and adjacent regions: 3 Ga to Present.
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See also
*Volcanism of Northern Canada
Volcanism of Northern Canada has produced hundreds of volcanic areas and extensive lava formations across Northern Canada. The region's different volcano and lava types originate from different tectonic settings and types of volcanic eruptions, ra ...
References
External links
February 2015 LIP of the Month: The Franklin Large Igneous Province and Initiation of the Sturtian Snowball Earth Glaciation
Large igneous provinces
Hotspot volcanism
Neoproterozoic volcanism
Proterozoic North America
Volcanism of the Northwest Territories
Volcanism of Nunavut
Geology of Greenland
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