Marathon Large Igneous Province

The Marathon Large Igneous Province is a Paleoproterozoic large igneous province along the southern Superior craton of Ontario, Canada, located around the northern margin of Lake Superior. It consists of three diabase dike swarms known as Marathon, Kapuskasing and Fort Frances. The Kapuskasing and Marathon dike swarms range in age from about 2,126 to 2,101 million years old while the Fort Frances dike swarm is between 2,076 and 2,067 million years old.[1]

A single, periodically active mantle plume was responsible for the creation of the Marathon Large Igneous Province due to the lack of apparent polar wander during the formation of the igneous province.[1] The large magmatic event covers an area of at least 400,000 km2 (150,000 sq mi) and the entire large igneous province was constructed in 60 million years.[1]

## References

[edit]

1. ^ a b c Halls, Henry C.; Davis, D.W.; Stott, G.M.; Ernst, R.E.; Hamilton, M.A. (May 2008). "The Paleoproterozoic Marathon Large Igneous Province: New evidence for a 2.1Ga long-lived mantle plume event along the southern margin of the North American Superior Province". Precambrian Research. 162 (3–4): 327–353. Bibcode:2008PreR..162..327H. doi:10.1016/j.precamres.2007.10.009.

* v
* t
* e

Large igneous provinces

* Agulhas (Northeast Georgia Rise, Maud Rise)
* Azores
* Brazilian Highlands
* Caribbean
* Central Atlantic
* Central Iapetus
* Circum-Superior
* Columbia River
* Deccan
* Emeishan
* Ethiopian and Yemen Highlands
* Equatorial Atlantic
* Franklin (Franklin dike swarm)
* High Arctic (Sverdrup Basin)
* Iceland
* Karoo-Ferrar
* Kerguelen (Broken Ridge)
* Marathon
* Keweenawan
* Long Range
* Mackenzie (Coppermine River
* Mackenzie dike swarm)
* Matachewan
* Mistassini
* North Atlantic
* Ongeluk
* Ontong Java-Manihiki-Hikurangi
* Panjal
* Paraná and Etendeka
* Shatsky
* Siberian
* Skagerrak
* Ungava
* Winagami

Geology portal

This Ontario location article is a stub. You can help Wikipedia by expanding it.

|

* v
* t
* e

This article about a specific Canadian geological feature is a stub. You can help Wikipedia by expanding it.

|

* v
* t
* e

*[v]: View this template
*[t]: Discuss this template
*[e]: Edit this template