{"id":4908,"date":"2015-11-10T10:23:10","date_gmt":"2015-11-10T13:23:10","guid":{"rendered":"http:\/\/www.astrofisica.cl\/?p=4908"},"modified":"2024-08-12T16:59:31","modified_gmt":"2024-08-12T16:59:31","slug":"investigadores-mas-participan-en-expedicion-en-busqueda-de-meteoritos","status":"publish","type":"post","link":"https:\/\/astrofisicamas.cl\/en\/investigadores-mas-participan-en-expedicion-en-busqueda-de-meteoritos\/","title":{"rendered":"Investigadores MAS participan en expedici\u00f3n en b\u00fasqueda de meteoritos"},"content":{"rendered":"<h4 style=\"text-align: center;\"><em><strong>Liderados por la ge\u00f3loga chilena Millarca Valenzuela y el ge\u00f3logo franc\u00e9s J\u00e9r\u00f4me Gattacceca, los investigadores asociados del MAS Alejandro Clocchiatti y Dante Minniti, adem\u00e1s de Joyce Pullen, miembro de su equipo cient\u00edfico,<span style=\"line-height: 1.5em;\"> participaron en una expedici\u00f3n en pleno desierto de Atacama en la b\u00fasqueda de meteoritos, con el objetivo de determinar los par\u00e1metros de impacto de un gran objeto producido alrededor de unos ocho millones de a\u00f1os.\u00a0<\/span><\/strong><\/em><!--more--><\/h4>\n<p>Por la enorme energ\u00eda con que el meteorito impacta la corteza terrestre, los silicatos del lugar se funden y la onda expansiva los dispersa, en el aire se enfr\u00edan y se forman las <a href=\"https:\/\/es.wikipedia.org\/wiki\/Tectita\">tektitas<\/a>, que evidencian la magnitud de la colisi\u00f3n. La expedici\u00f3n monitore\u00f3 la estructura de este impacto en un \u00e1rea de unos 20 km<sup>2<\/sup> y, de confirmarse que el mapa de distribuci\u00f3n y densidad de este material corresponde efectivamente a un meteorito, ser\u00eda el 6\u00ba campo de tektitas reconocido en el mundo y el primero en Sudam\u00e9rica.<\/p>\n<p><strong>Entre los objetivos del trabajo de Millarca Valenzuela est\u00e1 el de lograr la protecci\u00f3n de estos sitios geol\u00f3gicos y de los meteoritos y rocas, por esta raz\u00f3n es que el lugar de la expedici\u00f3n se mantiene en reserva.<\/strong><\/p>\n<p>Los meteoritos, las rocas m\u00e1s antiguas del Sistema Solar, contienen informaci\u00f3n sobre los or\u00edgenes de la Tierra, por lo que son materia de estudio interdisciplinario entre astr\u00f3nomos, ge\u00f3logos, bi\u00f3logos y f\u00edsicos, quienes intentan reconstruir el camino que recorri\u00f3 nuestro planeta hasta poder albergar vida.<\/p>\n<p>Terminada la expedici\u00f3n, los cient\u00edficos realizar\u00e1n diversos estudios sobre las muestras encontradas y con los resultados se espera completar el conocimiento sobre el proceso de formaci\u00f3n de este material y sobre las consecuencias en nuestro h\u00e1bitat de este tipo de impactos. Adem\u00e1s, una vez clasificados los meteoritos, se podr\u00e1 determinar su origen y su composici\u00f3n aportar\u00e1 al conocimiento sobre los primeros objetos del Sistema Solar.<\/p>","protected":false},"excerpt":{"rendered":"<p>Liderados por la ge\u00f3loga chilena Millarca Valenzuela y el ge\u00f3logo franc\u00e9s J\u00e9r\u00f4me Gattacceca, los investigadores asociados del MAS Alejandro Clocchiatti y Dante Minniti, adem\u00e1s de Joyce Pullen, miembro de su equipo cient\u00edfico, participaron en una expedici\u00f3n en pleno desierto de Atacama en la b\u00fasqueda de meteoritos, con el objetivo de&#8230;<\/p>","protected":false},"author":1,"featured_media":14311,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_eb_attr":"","footnotes":""},"categories":[23],"tags":[],"class_list":["post-4908","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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