Comments - COMING to terms with ... - Gaia Community2024-03-29T01:54:59Zhttps://letschangetheworld.ning.com/profiles/comment/feed?attachedTo=5313775%3ABlogPost%3A30&xn_auth=noScientists Pin Down When Ea…tag:letschangetheworld.ning.com,2021-03-27:5313775:Comment:1259032021-03-27T09:09:29.418ZMichael Grovehttps://letschangetheworld.ning.com/profile/MichaelGrove
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<h1 class="post__title__title mv025 noe theme__text"><a href="https://www.quantamagazine.org/ancient-rocks-reveal-when-earths-plate-tectonics-began-20210325/" rel="noopener" target="_blank">Scientists Pin Down When Earth’s Crust Cracked, Then Came to…</a></h1>
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<h1 class="post__title__title mv025 noe theme__text"><a href="https://www.quantamagazine.org/ancient-rocks-reveal-when-earths-plate-tectonics-began-20210325/" target="_blank" rel="noopener">Scientists Pin Down When Earth’s Crust Cracked, Then Came to Life</a></h1> Pangaea ruled the earth for…tag:letschangetheworld.ning.com,2016-02-20:5313775:Comment:207102016-02-20T16:59:20.130ZMichael Grovehttps://letschangetheworld.ning.com/profile/MichaelGrove
<p><br></br> <strong><a href="https://en.wikipedia.org/wiki/Pangaea" rel="noopener" target="_blank">Pangaea</a></strong> ruled the earth for a hundred million years until it eventually started cracking apart, as a result of a tectonic fault between two plates, which we now call <strong><a href="http://letschangetheworld.ning.com/profiles/blogs/the-story-of-time-itself" rel="noopener" target="_blank">the mid-Atlantic rift</a></strong>; and the seas flowed in to eventually form the Atlantic…</p>
<p><br/> <strong><a href="https://en.wikipedia.org/wiki/Pangaea" target="_blank" rel="noopener">Pangaea</a></strong> ruled the earth for a hundred million years until it eventually started cracking apart, as a result of a tectonic fault between two plates, which we now call <strong><a href="http://letschangetheworld.ning.com/profiles/blogs/the-story-of-time-itself" target="_blank" rel="noopener">the mid-Atlantic rift</a></strong>; and the seas flowed in to eventually form the Atlantic Ocean.</p>
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<p><span>The</span> <b>Azores Triple Junction</b> <span>(</span><b>ATJ</b><span>) is a geologic</span> <strong><a href="https://en.m.wikipedia.org/wiki/Triple_junction" title="Triple junction">triple junction</a></strong> <span>where the boundaries of three tectonic plates intersect: the</span> <a href="https://en.m.wikipedia.org/wiki/North_American_Plate" title="North American Plate">North American Plate</a><span>, the</span> <a href="https://en.m.wikipedia.org/wiki/Eurasian_Plate" title="Eurasian Plate">Eurasian Plate</a> <span>and the</span> <a href="https://en.m.wikipedia.org/wiki/African_Plate" title="African Plate">African Plate</a><span>. This triple junction is located along the</span> <strong><a href="https://en.m.wikipedia.org/wiki/Mid-Atlantic_Ridge" title="Mid-Atlantic Ridge">Mid-Atlantic Ridge</a></strong> <span>(MAR) amidst the</span> <a href="https://en.m.wikipedia.org/wiki/Azores" title="Azores">Azores</a> <span>islands, nearly due west of the</span> <a href="https://en.m.wikipedia.org/wiki/Strait_of_Gibraltar" title="Strait of Gibraltar">Strait of Gibraltar</a><span>. It is classed as a</span> <a href="https://en.m.wikipedia.org/wiki/Triple_junction#Ridge-Ridge-Ridge_junctions" title="Triple junction">R-R-R triple junction</a> <span>of the T type (for its shape), as it is an intersection of the Mid-Atlantic Ridge running north–south and the</span> <a href="https://en.m.wikipedia.org/wiki/Terceira_Rift" title="Terceira Rift">Terceira Rift</a> <span>which runs east-southeast.</span><br/> <br/> <a href="https://www.youtube.com/watch?v=MIY_3ooeRi0" target="_blank" rel="noopener"><br/></a></p>
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