{"id":13494,"date":"2023-07-28T02:03:01","date_gmt":"2023-07-27T20:33:01","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=13494"},"modified":"2025-04-02T04:50:21","modified_gmt":"2025-04-01T23:20:21","slug":"what-is-ureilite","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/what-is-ureilite\/","title":{"rendered":"What is Ureilite?"},"content":{"rendered":"<h2><strong>About Ureilite:<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u2018Ureilites\u2019 are a rare <strong>class of primitive meteorites<\/strong> that constitute just a <strong>tiny fraction of meteorites on Earth.<\/strong><\/li>\n<li>It is <strong>named after the locality<\/strong> where the <strong>first specimen was discovered<\/strong>, <strong>the Novo Urei village in Russia.<\/strong><\/li>\n<li>\u00a0<strong>Composition<\/strong>:\n<ul>\n<li>They <strong>consist of silicate<\/strong> <strong>rock<\/strong>, <strong>mostly olivine and pyroxene<\/strong>, <strong>interspersed with<\/strong> <strong>less than 10% of carbon<\/strong> (diamond or graphite), <strong>metal sulphides and a few fine-grained silicates.<\/strong><\/li>\n<li>They contain <strong>elongated cavities<\/strong> generally <strong>stretched in the same direction<\/strong>.<\/li>\n<li><strong>Lack of Chondrules<\/strong>: <strong>Unlike many other stony meteorites<\/strong>, <strong>ureilites do not contain chondrules<\/strong>, which are small, spherical grains that formed in the early solar system.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Primitive Nature<\/strong>: Ureilites are considered primitive meteorites <strong>because their composition closely resembles the material from which the solar system formed<\/strong>.<\/li>\n<\/ul>\n<h3>\u00a0<\/h3>\n<h3><strong>Key Facts about Dhala Crater:<\/strong><\/h3>\n<ul>\n<li>It is the <strong>oldest and the largest impact crater in India.<\/strong>\u00a0<\/li>\n<li>It is estimated to have <strong>formed some 2500 million years ago.<\/strong><\/li>\n<li><strong>Named after the village Dhala<\/strong>, the crater is an eroded leftover of the original impact structure.<\/li>\n<li><strong>Location<\/strong>: It is located in <strong>Shivpuri district in Madhya Pradesh.<\/strong><\/li>\n<li><strong>Size<\/strong>: It is a massive <strong>11 km in diameter<\/strong>, making it the <strong>largest in Asia.<\/strong><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><strong>What\u2019s the difference between a meteor, a meteoroid, and a meteorite?<\/strong><\/h3>\n<ul>\n<li><strong>Meteoroids<\/strong>: They are <strong>objects in space<\/strong> that range in <strong>size from dust grains to small asteroids.<\/strong><\/li>\n<li><strong>Meteors<\/strong>: <strong>When meteoroids enter Earth\u2019s atmosphere<\/strong> (<strong>or that of another planet<\/strong>, like Mars) at high speed <strong>and burn up<\/strong>, <strong>the fireballs or \u201cshooting stars\u201d are called meteors<\/strong>.<\/li>\n<li><strong>Meteorite<\/strong>: When a <strong>meteoroid survives a trip through the atmosphere<\/strong> <strong>and hits the ground, it\u2019s called a meteorite.<\/strong><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<h3><strong>Q)\u00a0<\/strong>What is an impact crater?<\/h3>\n<p>An impact crater is a bowl-shaped depression or cavity formed on the surface of a celestial body, such as a planet, moon, asteroid, or comet, as a result of the high-velocity impact of a meteoroid or other celestial object. Impact craters are some of the most common geological features found on many solid bodies in the solar system, and they offer valuable insights into the history and geology of those bodies.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Source:<\/strong>\u00a0<a href=\"https:\/\/tech.hindustantimes.com\/tech\/news\/meteorite-created-madhya-pradeshs-famous-dhala-impact-crater-new-study-reveals-71690439056785.html#google_vignette\" target=\"_blank\" rel=\"nofollow noopener\"><u>Meteorite created Madhya Pradesh&#8217;s famous Dhala impact crater, new study reveals<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u2018Ureilites\u2019 are a rare class of primitive meteorites that constitute just a tiny fraction of meteorites on Earth.<\/p>\n","protected":false},"author":5,"featured_media":13495,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-13494","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/13494","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=13494"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/13494\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/13495"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=13494"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=13494"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=13494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}