https://marspedia.org/index.php?title=Tectonic&feed=atom&action=historyTectonic - Revision history2024-03-29T13:51:17ZRevision history for this page on the wikiMediaWiki 1.34.2https://marspedia.org/index.php?title=Tectonic&diff=138078&oldid=prevRichardWSmith: Studies show that tectonic movement (with small blocks rather than large plates) is happening on Venus. Added references.2021-07-22T03:56:37Z<p>Studies show that tectonic movement (with small blocks rather than large plates) is happening on Venus. Added references.</p>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>As Mars has cooled, the mantle has become less mobile, and no plate tectonics is currently thought to be active. It is thought that the water in Earth's oceans enters the mantle thru oceanic subduction zones, and this water helps to 'lubricate' the mantle flow on Earth. (This is unlikely to take place on Mars, which makes plate tectonics even less likely.)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>As Mars has cooled, the mantle has become less mobile, and no plate tectonics is currently thought to be active. It is thought that the water in Earth's oceans enters the mantle thru oceanic subduction zones, and this water helps to 'lubricate' the mantle flow on Earth. (This is unlikely to take place on Mars, which makes plate tectonics even less likely.)</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">Venus is thought to have smaller plates (called blocks) which jostle each other like ice packs. <ref>https://www.pnas.org/content/118/26/e2025919118</ref> <ref>https://www.nature.com/articles/s41561-020-0606-1</ref> This is the only example of likely tectonic activity discovered off of Earth.</ins></div></td></tr>
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</table>RichardWSmithhttps://marspedia.org/index.php?title=Tectonic&diff=137844&oldid=prevRichardWSmith: Added links and said it is thought that plate tectonics happened early in Mars' history.2021-06-01T05:14:55Z<p>Added links and said it is thought that plate tectonics happened early in Mars' history.</p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 05:14, 1 June 2021</td>
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<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>On Earth, large rigid crustal plates float on the plastic mantle. It is thought that convection currents in the mantle cause these plates to move over the surface of the planet relative to each other. This causes continental drift, mid ocean ridges, rift valleys, oceanic trenches, mountain building, <del class="diffchange diffchange-inline">volcanism</del>, and <del class="diffchange diffchange-inline">earth quakes</del>.</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>On Earth, large rigid crustal plates float on the plastic mantle. It is thought that convection currents in the mantle cause these plates to move over the surface of the planet relative to each other. This causes continental drift, mid ocean ridges, rift valleys, oceanic trenches, mountain building, <ins class="diffchange diffchange-inline">[[Volcano|Volcanoes]]</ins>, and <ins class="diffchange diffchange-inline">Earth [[Quakes]]</ins>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Mars does not seem to have undergone as extensive tectonic activity as Earth. However, <del class="diffchange diffchange-inline">some </del>have argued that [[Valles Marineris]] is a Rift Valley caused by two plates splitting apart. As Mars has cooled, the mantle has become less mobile <del class="diffchange diffchange-inline">(if it ever was)</del>, and no plate tectonics is currently thought to be active. It is thought that the water in Earth's oceans enters the mantle thru oceanic subduction zones, and this water helps to 'lubricate' the mantle flow on Earth. This is unlikely to take place on Mars, which makes plate tectonics even less likely.</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Mars does not seem to have undergone as extensive tectonic activity as Earth. However, <ins class="diffchange diffchange-inline">it is thought that there was tectonic activity for a short time, early in Mars' geologic history.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">Some </ins>have argued that [[Valles Marineris]] is a Rift Valley caused by two plates splitting apart. </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>As Mars has cooled, the mantle has become less mobile, and no plate tectonics is currently thought to be active. It is thought that the water in Earth's oceans enters the mantle thru oceanic subduction zones, and this water helps to 'lubricate' the mantle flow on Earth. <ins class="diffchange diffchange-inline">(</ins>This is unlikely to take place on Mars, which makes plate tectonics even less likely.<ins class="diffchange diffchange-inline">)</ins></div></td></tr>
</table>RichardWSmithhttps://marspedia.org/index.php?title=Tectonic&diff=137447&oldid=prevRichardWSmith at 20:18, 29 March 20212021-03-29T20:18:00Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 20:18, 29 March 2021</td>
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<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>On Earth, large crustal plates float on the plastic mantle. It is thought that convection currents in the mantle cause these plates to move over the surface of the planet relative to each other. This causes continental drift, mid ocean ridges, rift valleys, oceanic trenches, mountain building, volcanism, and earth quakes.</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>On Earth, large <ins class="diffchange diffchange-inline">rigid </ins>crustal plates float on the plastic mantle. It is thought that convection currents in the mantle cause these plates to move over the surface of the planet relative to each other. This causes continental drift, mid ocean ridges, rift valleys, oceanic trenches, mountain building, volcanism, and earth quakes.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Mars does not seem to have undergone as extensive tectonic activity as Earth. However, some have argued that [[Valles Marineris]] is a Rift Valley caused by two plates splitting apart. As Mars has cooled, the mantle has become less mobile (if it ever was), and no plate tectonics is currently thought to be active. It is thought that the water in Earth's oceans enters the mantle thru oceanic subduction zones, and this water helps to 'lubricate' the mantle flow on Earth. This is unlikely to take place on Mars, which makes plate tectonics even less likely.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Mars does not seem to have undergone as extensive tectonic activity as Earth. However, some have argued that [[Valles Marineris]] is a Rift Valley caused by two plates splitting apart. As Mars has cooled, the mantle has become less mobile (if it ever was), and no plate tectonics is currently thought to be active. It is thought that the water in Earth's oceans enters the mantle thru oceanic subduction zones, and this water helps to 'lubricate' the mantle flow on Earth. This is unlikely to take place on Mars, which makes plate tectonics even less likely.</div></td></tr>
</table>RichardWSmithhttps://marspedia.org/index.php?title=Tectonic&diff=137418&oldid=prevRichardWSmith at 18:36, 24 March 20212021-03-24T18:36:01Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 18:36, 24 March 2021</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Mars does not seem to have undergone as extensive tectonic activity as Earth. However, some have argued that [[Valles Marineris]] is a Rift Valley caused by two plates splitting apart. As Mars has cooled, the mantle has become less mobile (if it ever was), and no plate tectonics is currently thought to be active. It is thought that the water in Earth's oceans enters the mantle thru oceanic subduction zones, and this water helps to 'lubricate' the mantle flow on Earth. This is unlikely to take place on Mars, which makes plate tectonics even less likely.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Mars does not seem to have undergone as extensive tectonic activity as Earth. However, some have argued that [[Valles Marineris]] is a Rift Valley caused by two plates splitting apart. As Mars has cooled, the mantle has become less mobile (if it ever was), and no plate tectonics is currently thought to be active. It is thought that the water in Earth's oceans enters the mantle thru oceanic subduction zones, and this water helps to 'lubricate' the mantle flow on Earth. This is unlikely to take place on Mars, which makes plate tectonics even less likely.</div></td></tr>
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</table>RichardWSmithhttps://marspedia.org/index.php?title=Tectonic&diff=137411&oldid=prevRichardWSmith: Added page on plate tectonics on Mars.2021-03-24T09:34:10Z<p>Added page on plate tectonics on Mars.</p>
<p><b>New page</b></p><div>On Earth, large crustal plates float on the plastic mantle. It is thought that convection currents in the mantle cause these plates to move over the surface of the planet relative to each other. This causes continental drift, mid ocean ridges, oceanic trenches, mountain building, volcanism, and earth quakes.<br />
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Mars does not seem to have undergone as extensive tectonic activity as Earth. However, some have argued that [[Valles Marineris]] is a Rift Valley caused by two plates splitting apart. As Mars has cooled, the mantle has become less mobile (if it ever was), and no plate tectonics is currently thought to be active. It is thought that the water in Earth's oceans enters the mantle thru oceanic subduction zones, and this water helps to 'lubricate' the mantle flow on Earth. This is unlikely to take place on Mars, which makes plate tectonics even less likely.</div>RichardWSmith