Within remote Canada is a highly recursive island which exists as follows. The unnamed island exists within a lake that exists within a larger island that itself exists within an even larger lake that is surrounded by an even larger island that sits within a much larger lake. This video discusses the feature within Nunavut and Yathkyed Lake. Thumbnail Photo Credit: Google Earth, Image Landsat / Copernicus. This image was overlaid with text, and then with GeologyHub made graphics (the image border & the GeologyHub logo). If you would like to support this channel, consider using one of the following links: (Patreon: http://patreon.com/geologyhub) (YouTube membership: https://www.youtube.com/channel/UCYeGh5VML5XPr5jYnzh3J6g/join) (Gemstone & Mineral Etsy store: http://prospectingarizona.etsy.com) (GeologyHub Merch Etsy store: http://geologyhub.etsy.com) Google Earth imagery used in this video: ©Google & Data Providers This video is protected under "fair use". If you see an image and/or video which is your own in this video, and/or think my discussion of a scientific paper (and/or discussion/mentioning of the data/information within a scientific paper) does not fall under the fair use doctrine, and wish for it to be censored or removed, contact me by email at [email protected] and I will make the necessary changes. Various licenses used in sections of this video (not the entire video, this video as a whole does not completely fall under one of these licenses) and/or in this video's thumbnail image (and this list does not include every license used in this video and/or thumbnail image): CC BY 2.0: https://creativecommons.org/licenses/by/2.0/legalcode CC BY 4.0: https://creativecommons.org/licenses/by/4.0/legalcode Sources/Citations: [1] Martel, Edith & Sandeman, Hamish & Nicholson, J.. (2004). Geology and deformation history around the Ferguson Lake Ni-Cu-PGE deposit, Yathkyed greenstone belt, western Churchill Province. 10.13140/RG.2.1.3149.1603. [2] Tella, S. & Hanmer, S. & Sandeman, Hamish & Ryan, J.J. & Mills, Andrea & Davis, W. & Berman, Rob & Wilkinson, L. & Kerswill, J.. (2001). 1:100 000 scale bedrock geology compilation map of the MacQuoid Lake-Gibson Lake-Akunak Bay area, Nunavut. 29th Yellowknife Geoscience Forum, Program and Abstracts of Talks and Posters. 82-83. [3] C. Sole et al., Evidence for Hadean mafic intrusions in the Nuvvuagittuq Greenstone Belt, Canada. Science 388, 1431-1435 (2025). DOI:10.1126/science.ads8461 0:00 Recursive Lakes 1:57 Cratons 3:31 Glacial Lakes 4:06 Gneiss