{"id":47269,"date":"2025-05-07T11:22:24","date_gmt":"2025-05-07T05:52:24","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=47269"},"modified":"2025-05-29T11:23:08","modified_gmt":"2025-05-29T05:53:08","slug":"palaeofires","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/palaeofires\/","title":{"rendered":"Palaeofires"},"content":{"rendered":"<h2>Palaeofires Latest News<\/h2>\n<p>Recently, Scientists have traced evidence of palaeofires (ancient wildfires) from the Permian Period (~250 million years ago) in the Godavari Basin.<\/p>\n<p><span style=\"font-family: inherit; font-size: 35px; font-style: inherit;\">About Palaeofires and Key Findings<\/span><\/p>\n<ul>\n<li><strong>Palaeofires refer to wildfire events preserved in geological records<\/strong>, which play a crucial role in understanding Earth\u2019s\u00a0<strong>past vegetation, climate evolution, and coal formation<\/strong>.<\/li>\n<li>The\u00a0<strong>study spanned geological periods<\/strong>\u00a0from the\u00a0<strong>Late Silurian (443.8\u2013419.2 million years ago)<\/strong>\u00a0to the\u00a0<strong>Quaternary (from 2.58 million years ago to present)<\/strong>, highlighting how wildfires<strong>\u00a0have historically shaped landscapes, vegetation patterns, and coal formation<\/strong>.<\/li>\n<li><strong>The research combined advanced techniques<\/strong>\u00a0like\u00a0<strong>Palynofacies analysis, Raman Spectroscopy, Rock-Eval Pyrolysis<\/strong>, and\u00a0<strong>FTIR Spectroscopy<\/strong>\u00a0to examine microscopic organic matter and\u00a0<strong>fossil charcoal<\/strong>\u00a0in ancient sedimentary rocks.<\/li>\n<li><strong>Palynofacies analysis<\/strong>\u00a0revealed three main types of organic particles:\n<ul>\n<li><strong>Translucent Organic Matter (TrOM)<\/strong>\u00a0\u2013 includes pollen and plant debris.<\/li>\n<li><strong>Palaeofire Charcoal (PAL-CH)<\/strong>\u00a0\u2013 direct evidence of vegetation burning.<\/li>\n<li><strong>Oxidised Charcoal (OX-CH)<\/strong>\u00a0\u2013 possibly reworked or transported post-burning.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Key discovery<\/strong>: The team successfully\u00a0<strong>distinguished between in situ (on-site) and ex situ (transported) charcoal<\/strong>, helping resolve a long-standing debate in geology regarding the origin of charcoal found in coal-bearing formations.<\/li>\n<li><strong>Stratigraphic patterns<\/strong>\u00a0(rock layering) revealed that:\n<ul>\n<li>During\u00a0<strong>regressive phases (sea-level drop)<\/strong>,\u00a0<strong>well-preserved, concentrated fire residues<\/strong>\u00a0were found.<\/li>\n<li>During\u00a0<strong>transgressive phases (sea-level rise)<\/strong>, charcoal was more\u00a0<strong>oxidised and dispersed<\/strong>, indicating environmental mixing and transport.<\/li>\n<\/ul>\n<\/li>\n<li><strong>High atmospheric oxygen levels in the Permian Period<\/strong>\u00a0likely made the Earth more fire-prone, intensifying wildfire frequency and scale.<\/li>\n<li>The\u00a0<strong>Raniganj Coalfield<\/strong>\u00a0was one of the earliest Indian sites where\u00a0<strong>macroscopic charcoal in coal seams<\/strong>\u00a0suggested the presence of palaeofires in ancient peat-forming environments (<strong>palaeomires<\/strong>).<\/li>\n<li>These findings help understand how\u00a0<strong>wildfires influence carbon cycling and long-term carbon sequestration<\/strong>\u2014important for modern\u00a0<strong>climate change mitigation strategies<\/strong>.<\/li>\n<\/ul>\n<h2>Palaeofires FAQs<\/h2>\n<p><strong>Q1.\u00a0<\/strong>What are palaeofires?<br \/>\n<strong>Ans.<\/strong>\u00a0Palaeofires are ancient wildfires that occurred naturally in Earth&#8217;s geological past, identified through charcoal deposits, sediment records, and tree rings.<\/p>\n<p><strong>Q2.\u00a0<\/strong>How are palaeofires studied?<br \/>\n<strong>Ans.<\/strong>\u00a0Through palaeoecological and geological evidence, especially charcoal analysis in lake beds, peat, and ice cores.<\/p>\n<p><strong>Source:\u00a0<\/strong><a href=\"https:\/\/pib.gov.in\/PressReleasePage.aspx?PRID=2127307\" target=\"_blank\" rel=\"nofollow noopener\">PIB<\/a><\/p>\n<p>&nbsp;<\/p>\n<div id=\"allow-copy_covered_elem_id_1748324589245\" class=\"allow-copy_cover allow-copy_cover__minimized allow-copy_cover__on-elem\" style=\"top: 0px; 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