File:Franklin dike on northwestern Baffin Island..jpg

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Large olivine gabbro intrusive between Pond Inlet and Arctic Bay in northwestern Baffin Island. Handheld from speeding helicopter.

The 723 million year-old Franklin Magmatic Event went clear across what is now Arctic Canada. Here is a link to flat-lying Coronation Sills of the same igneous rock in western Nunavut not far from its mantle plume source further west: flic.kr/p/kPQvcn

Some of the swarm of large vertical dikes in northwestern Baffin Island continued down the length of one of the world's biggest islands before the non-surfacing crustal-cracking magmatic pulse ran out of gas (or continent) some 3000 km from where it all started.
Date
Source Franklin dike
Author Mike Beauregard from Nunavut, Canada
Camera location72° 59′ 04.04″ N, 82° 39′ 40.08″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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This image was originally posted to Flickr by subarcticmike at https://flickr.com/photos/31856336@N03/25307569410. It was reviewed on 11 March 2016 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0.

11 March 2016

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Date/TimeThumbnailDimensionsUserComment
current01:04, 11 March 2016Thumbnail for version as of 01:04, 11 March 20162,400 × 1,732 (1.9 MB)Tillman (talk | contribs)Transferred from Flickr via Flickr2Commons

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