{"id":18558,"date":"2015-01-07T12:00:00","date_gmt":"2015-01-07T12:00:00","guid":{"rendered":"https:\/\/dev.inrs.ca\/from-venus-to-earth-a-radical-new-geological-model\/"},"modified":"2020-12-08T14:55:45","modified_gmt":"2020-12-08T19:55:45","slug":"from-venus-to-earth-a-radical-new-geological-model","status":"publish","type":"post","link":"https:\/\/dev.inrs.ca\/en\/news\/from-venus-to-earth-a-radical-new-geological-model\/","title":{"rendered":"From Venus to Earth: A radical new geological model"},"content":{"rendered":"\n<p><strong>A new geological model developed by Professor&nbsp;<a href=\"https:\/\/dev.inrs.ca\/en\/research\/professors\/lyal-harris\/\">Lyal&nbsp;Harris<\/a>, INRS&nbsp;<a href=\"https:\/\/dev.inrs.ca\/en\/inrs\/research-centres\/eau-terre-environnement-research-centre\/\">Eau Terre Environnement Research Centre<\/a>, and Geological Survey of Canada researcher Jean B\u00e9dard has been selected as one of ten 2014 Discoveries of the Year by the magazine Qu\u00e9bec Science. The model is based on new findings from the planet Venus and could revolutionize mineral exploration in the subprovinces of Abitibi and Opatica (Northern Qu\u00e9bec) and in equivalent terranes in Ontario featuring very old (Archean) geological formations rich in metals.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/dev.inrs.ca\/wp-content\/uploads\/2020\/12\/NEWS_From-Venus-to-Earth-A-radical-new-geological-model_01.jpg\" alt=\"\" width=\"784\" height=\"472\"\/><\/figure><\/div>\n\n\n\n<p>Researchers&nbsp;<a href=\"https:\/\/dev.inrs.ca\/en\/research\/professors\/lyal-harris\/\">Harris&nbsp;<\/a>and B\u00e9dard looked at radar imagery and data on Venus\u2019s gravitational field provided by NASA and found similarities between the data for geological structures around a northern polar plateau on Venus and that associated with the India\u2013Asia collision zone on Earth. Since Venus is a planet without plate tectonics, what could explain this phenomenon? The researchers proposed that mantle currents created by upwelling plumes were pushing against a kind of keel on the underside of this Venusian \u201ccontinent.\u201d This, they believe, could explain the formation of mountain chains and strike-slip faults on the margins of the moving \u201ccontinent\u201d-like region.<\/p>\n\n\n\n<p>Harris and B\u00e9dard are using their new geological model to write a new chapter in geological history, preparing the way for a plate tectonics\u2013free interpretation of Archean (3.85 Ga to 2.5 Ga) terranes that contradicts currently accepted theories.<\/p>\n\n\n\n<p>Harris and B\u00e9dard discuss their proposed tectonic mechanism in the following three texts published in 2014:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u201c<a href=\"http:\/\/sp.lyellcollection.org\/content\/early\/2014\/05\/15\/SP401.9.abstract\" target=\"_blank\" rel=\"noreferrer noopener\" class=\"broken_link\">Interactions between continent-like \u02bbdrift\u02bc, rifting, and mantle flow on Venus: gravity interpretations and Earth analogues<\/a>\u201d, Platz, T., Massironi, M., Byrne, P., &amp; Hiesinger, H. (Eds.),&nbsp;<em>Volcanism and Tectonism Across the Solar System<\/em>, Geological Society of London Special Publication 401, doi: 10.1144\/SP401.9.<\/li><li>\u201c<a href=\"http:\/\/link.springer.com\/chapter\/10.1007%2F978-94-007-7615-9_9\" target=\"_blank\" rel=\"noreferrer noopener\">Crustal evolution and deformation in a non-plate tectonic Archaean Earth: Comparisons with Venus<\/a>\u201d, Dilek Y., Furnes H. (Eds.),<em>&nbsp;Evolution of Archean Crust and Early Life, Modern Approaches in Solid Earth Sciences&nbsp;<\/em>7, Springer, Chapter 9, 215\u2013288.<\/li><li>\u201c<a href=\"http:\/\/geology.gsapubs.org\/content\/early\/2014\/09\/15\/G35770.1.abstract\" target=\"_blank\" rel=\"noreferrer noopener\" class=\"broken_link\">Neoarchean disaggregation and reassembly of the Superior Craton<\/a>\u201d,&nbsp;<em>Geology<\/em>, November 2014, doi: 10.1130\/G35770.1.<\/li><\/ul>\n\n\n\n<p>This research follows up on an article that questions and proposes an alternative to plate tectonics for terrestrial Archean terranes:<\/p>\n\n\n\n<p>\u00b7&nbsp;B\u00e9dard, J. H., Harris, L. B., Thurston, P. (2013).&nbsp;<a href=\"http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0301926812000897\" target=\"_blank\" rel=\"noreferrer noopener\" class=\"broken_link\">\u201cThe hunting of the snArc,\u201d<\/a>&nbsp;<em>Precambrian Research<\/em>&nbsp;229: 20\u201348.<\/p>\n\n\n\n<p><strong>2014 Discovery of the Year: People\u2019s Choice<\/strong><\/p>\n\n\n\n<p>Qu\u00e9bec Science magazine invites the public to vote on which of the 10 jury panel selections is the biggest of the year. The discovery with the most votes as of February 19, 2015, will receive the People\u2019s Choice Award. Vote at&nbsp;<a href=\"http:\/\/www.quebecscience.qc.ca\/decouverte2014\" target=\"_blank\" rel=\"noreferrer noopener\">www.quebecscience.qc.ca\/decouverte2014<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A new geological model developed by Professor&nbsp;Lyal&nbsp;Harris, INRS&nbsp;Eau Terre Environnement Research Centre, and Geological Survey of Canada researcher Jean B\u00e9dard has been selected as one of ten 2014 Discoveries of the Year by the magazine Qu\u00e9bec Science. The model is based on new findings from the planet Venus and could revolutionize mineral exploration in the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":37870,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[688],"tags":[],"sectors":[730],"class_list":["post-18558","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-innover-a-linrs-en","sectors-geosciences-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>From Venus to Earth: A radical new geological model | INRS<\/title>\n<meta name=\"description\" content=\"A new geological model developed by Professor Lyal Harris, INRS Eau Terre Environnement Research Centre, and Geological Survey of Canada researcher J\" \/>\n<meta name=\"robots\" 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