{"id":5204,"date":"2022-12-03T06:52:47","date_gmt":"2022-12-03T01:22:47","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=5204"},"modified":"2025-03-27T04:53:58","modified_gmt":"2025-03-26T23:23:58","slug":"coastal-red-sand-dunes","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/coastal-red-sand-dunes\/","title":{"rendered":"Coastal Red Sand Dunes"},"content":{"rendered":"<h2><strong>Importance of Coastal red sand dunes:\u00a0<\/strong><\/h2>\n<ul>\n<li>The site is located along the coast and is about 20 km northeast of Visakhapatnam city and about 4 km southwest of Bheemunipatnam.<\/li>\n<li>This site, spread across an area of about 20 sq km, was declared <strong>as a geo-heritage site by the Geological Survey of India (GSI) in 2014 and the Andhra Pradesh government has listed it under the category of \u2018protected sites\u2019 in 2016.<\/strong><\/li>\n<li>This site needs to be protected to study the impact of climate change, as Erra Matti Dibbalu have seen <strong>both the glacial and the warm periods.<\/strong><\/li>\n<li>The site is probably about 18,500 to 20,000 years old and it can be related to the last glacial period.<\/li>\n<li><strong>Distribution:<\/strong><\/li>\n<li>Such sand deposits are rare and have been reported only from <strong>three places in the tropical regions in south Asia <\/strong>such as <strong>Teri Sands in Tamil Nadu, Erra Matti Dibbalu in Visakhapatnam and one more site in Sri Lanka.<\/strong><\/li>\n<li>They do not occur in equatorial regions or temperate regions due to many scientific reasons.<\/li>\n<li><strong>Significance:\u00a0\u00a0<\/strong><\/li>\n<li>The uniqueness of this site is that the <strong>red sediments are a part of the continuation of the evolution of the earth<\/strong> and represent the late quaternary geologic age.<\/li>\n<li><strong>With a height of up to 30 m, they exhibit badland topography<\/strong> with different geomorphic landforms and features, including gullies, sand dunes, buried channels, beach ridges, paired terraces, the valley in the valley, wave-cut terrace, knick point and waterfalls.<\/li>\n<li>It is a lively scientific evolution site, which depicts the real-time effects of climate change.<\/li>\n<li>The site also has archaeological significance, as studies of artefacts indicate an Upper Palaeolithic horizon and on cross dating assigned to Late Pleistocene epoch, which is 20,000 BC.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<h3><strong>Q1) What is a Geo heritage site?<\/strong><\/h3>\n<p>\u201cGeo heritage\u201d site is a site or area of geologic features with significant scientific, educational, cultural or aesthetic value.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Coastal Red Sand Dunes is a geo-heritage site which depicts the real-time effects of climate change<\/p>\n","protected":false},"author":5,"featured_media":5205,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-5204","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\/5204","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=5204"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/5204\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/5205"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=5204"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=5204"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=5204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}