{"id":1089,"date":"2022-06-01T06:18:05","date_gmt":"2022-06-01T06:18:05","guid":{"rendered":"http:\/\/www.elsi.jp\/research\/research_fields_and_topics_old\/early_crust_mantle_core\/"},"modified":"2022-06-02T09:18:05","modified_gmt":"2022-06-02T09:18:05","slug":"early_crust_mantle_core","status":"publish","type":"page","link":"https:\/\/www.elsi.jp\/en\/research\/research_fields_and_topics_old\/early_crust_mantle_core\/","title":{"rendered":"Research Topic 2. Early Crust, Mantle, and Core"},"content":{"rendered":"\r\n<p><span>Goals<\/span><\/p>\n<p style=\"margin-left: 10.5pt; text-align: left;\"><span>1) Initial conditions: Crystallization and outgassing of molten Earth following a giant impact, production of early crust and atmosphere.<\/span><\/p>\n<p style=\"margin-left: 10.5pt; text-align: left;\"><span>2) Hadean tectonics: Model connections between Earth&#8217;s interior and surface environment, and dependence upon tectonic styles and rates.<\/span><\/p>\n<p style=\"margin-left: 10.5pt; text-align: left;\"><span>3) Hadean deep Earth: Age of geomagnetic field, thermal evolution, formation and preservation of geochemical reservoirs, and connection to present Earth structure<\/span><\/p>\n<p><span>&nbsp;<\/span><\/p>\n<p><span>In order to understand the early Earth as the birthplace of living systems, it is essential to consider the geological processes that influenced the surface environment.<\/span><\/p>\n<p><span>Researchers from &ldquo;Deep Earth Science&rdquo;, &ldquo;Planet Formation Theory&rdquo;, and &ldquo;Geology and Geochemistry&rdquo; are developing the next generation of models of the formation and subsequent evolution of early Earth that are consistent with the present internal structure and chemical composition.<\/span><\/p>\n<p><span>They are using high P-T experiments, seismological imaging, and a combination of mathematical and numerical models that integrate geological and geochemical observations.<\/span><\/p>\n<p><span>&nbsp;<\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" alt=\"topic2a\" src=\"\/-\/media\/Project\/Elsi-Tenants\/Elsi-Tenant\/Elsi\/site\/topic2a.jpg?la=en&amp;hash=4770D7B7D73FC7D757BEABE9F8FF65570D240BFE\" width=\"213\" height=\"95\" \/><span> Initial differentiation of molten mantle and core<\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" alt=\"topic2b\" src=\"\/-\/media\/Project\/Elsi-Tenants\/Elsi-Tenant\/Elsi\/site\/topic2b.jpg?la=en&amp;hash=B2EC7315E34504AF90265B32D51D2509ABA49CD4\" width=\"213\" height=\"95\" \/><span> Crystallization of magma ocean(s)<\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" alt=\"topic2c\" src=\"\/-\/media\/Project\/Elsi-Tenants\/Elsi-Tenant\/Elsi\/site\/topic2c.jpg?la=en&amp;hash=5D1940490F41C1F37AFE717BCBD27BE54DAABEF5\" width=\"213\" height=\"95\" \/><span> Possible relics of the early Earth<\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" alt=\"topic2d\" src=\"\/-\/media\/Project\/Elsi-Tenants\/Elsi-Tenant\/Elsi\/site\/topic2d.jpg?la=en&amp;hash=64EA75263189D37B443910EABBACDBEF9F2CB56B\" width=\"213\" height=\"95\" \/><span> Subsequent evolutio<\/span><\/p>\n<p style=\"text-align: left;\"><span>Earth was substantially melted during formation but then cooled. What clues are left behind following these events?<\/span><\/p>        ","protected":false},"excerpt":{"rendered":"Goals 1) Initial conditions: Crystallization and outgassing of molten Earth following a giant impact, production of early crust and atmosphere. 2) Hadean tectonics: Model connections between Earth&#8217;s interior and surface environment, and dependence upon tectonic styles and rates. 3) Hadean deep Earth: Age of geomagnetic field, thermal evolution, formation and preservation of geochemical reservoirs, and [&hellip;]","protected":false},"author":9,"featured_media":0,"parent":1083,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_locale":"en_US","_original_post":"http:\/\/www.elsi.jp\/?page_id=1088"},"acf":[],"_links":{"self":[{"href":"https:\/\/www.elsi.jp\/wp-json\/wp\/v2\/pages\/1089"}],"collection":[{"href":"https:\/\/www.elsi.jp\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.elsi.jp\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.elsi.jp\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.elsi.jp\/wp-json\/wp\/v2\/comments?post=1089"}],"version-history":[{"count":1,"href":"https:\/\/www.elsi.jp\/wp-json\/wp\/v2\/pages\/1089\/revisions"}],"predecessor-version":[{"id":1090,"href":"https:\/\/www.elsi.jp\/wp-json\/wp\/v2\/pages\/1089\/revisions\/1090"}],"up":[{"embeddable":true,"href":"https:\/\/www.elsi.jp\/wp-json\/wp\/v2\/pages\/1083"}],"wp:attachment":[{"href":"https:\/\/www.elsi.jp\/wp-json\/wp\/v2\/media?parent=1089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}