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<!DOCTYPE html> <html lang="en" class="no-js"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="applicable-device" content="pc,mobile"> <meta name="viewport" content="width=device-width, initial-scale=1"> <meta name="robots" content="max-image-preview:large"> <meta name="access" content="No"> <meta name="360-site-verification" content="1268d79b5e96aecf3ff2a7dac04ad990" /> <title>Geochemical Studies in India: CSIR-NGRI Contributions | Journal of the Geological Society of India</title> <meta name="twitter:site" content="@SpringerLink"/> <meta name="twitter:card" content="summary_large_image"/> <meta name="twitter:image:alt" content="Content cover image"/> <meta name="twitter:title" content="Geochemical Studies in India: CSIR-NGRI Contributions"/> <meta name="twitter:description" content="Journal of the Geological Society of India - The Indian Shield, composed of diversified rock types, formed at different ages, emplaced in varied tectonic environments, is a natural laboratory for..."/> <meta name="twitter:image" content="https://media.springernature.com/full/springer-static/cover-hires/journal/12594"/> <meta name="journal_id" content="12594"/> <meta name="dc.title" content="Geochemical Studies in India: CSIR-NGRI Contributions"/> <meta name="dc.source" content="Journal of the Geological Society of India 2021 97:10"/> <meta name="dc.format" content="text/html"/> <meta name="dc.publisher" content="Springer"/> <meta name="dc.date" content="2021-11-25"/> <meta name="dc.type" content="OriginalPaper"/> <meta name="dc.language" content="En"/> <meta name="dc.copyright" content="2021 GEOL. SOC. INDIA"/> <meta name="dc.rights" content="2021 GEOL. SOC. INDIA"/> <meta name="dc.rightsAgent" content="journalpermissions@springernature.com"/> <meta name="dc.description" content="The Indian Shield, composed of diversified rock types, formed at different ages, emplaced in varied tectonic environments, is a natural laboratory for the geoscientific community. Multi-disciplinary studies involving tools like field geology, petrography, geophysics and geochemistry can better probe the Earth’s interior at a higher resolution. The Geochemistry Division, equipped with state-of-the-art analytical facilities such as XRF, SEM-EDS, MC-TIMS and LA-HR-ICP-MS, has made pioneering contributions to better understand the evolutionary history of the Indian Shield. This excerpt provides a glimpse of the research activities carried out by the Geochemistry Group during the last 55 years. Significant contributions include (1) geodynamics and crustal evolution of the Indian Plate in terms of nucleation, accretion and amalgamation of the three Protocontinents: Dharwar, Aravalli and Singhbhum; (2) geological and geochemical studies on the evidence for early life; and (3) deciphering the depositional environment and provenance of clastic sediments of the Dharwar Craton. Besides southern India, focused research studies in Bastar, Singhbhum and Bundelkhand cratons, Eastern Ghat Mobile Belt, Central Indian Tectonic Zone, Andaman Islands and Antarctica have yielded significant results that were published in recognised peer-reviewed National and International Journals. In addition to fundamental research, the Geochemistry Group has actively collaborated with industries like Hutti Gold Mines Limited (Hutti), Hindustan Zinc Limited (Udaipur) and National Mineral Development Corporation (Hyderabad) for the exploration of base metals and gold in different parts of the country. The analytical facilities created and developed by the Group are currently helping scores of researchers and students from a host of R&amp;D organisations/universities across the country and even a few organisations abroad in pursuing world-class geochemical and environmental research."/> <meta name="prism.issn" content="0974-6889"/> <meta name="prism.publicationName" content="Journal of the Geological Society of India"/> <meta name="prism.publicationDate" content="2021-11-25"/> <meta name="prism.volume" content="97"/> <meta name="prism.number" content="10"/> <meta name="prism.section" content="OriginalPaper"/> <meta name="prism.startingPage" content="1240"/> <meta name="prism.endingPage" content="1250"/> <meta name="prism.copyright" content="2021 GEOL. SOC. INDIA"/> <meta name="prism.rightsAgent" content="journalpermissions@springernature.com"/> <meta name="prism.url" content="https://link.springer.com/article/10.1007/s12594-021-1853-5"/> <meta name="prism.doi" content="doi:10.1007/s12594-021-1853-5"/> <meta name="citation_pdf_url" content="https://link.springer.com/content/pdf/10.1007/s12594-021-1853-5.pdf"/> <meta name="citation_fulltext_html_url" content="https://link.springer.com/article/10.1007/s12594-021-1853-5"/> <meta name="citation_journal_title" content="Journal of the Geological Society of India"/> <meta name="citation_journal_abbrev" content="J Geol Soc India"/> <meta name="citation_publisher" content="Geological Society of India"/> <meta name="citation_issn" content="0974-6889"/> <meta name="citation_title" content="Geochemical Studies in India: CSIR-NGRI Contributions"/> <meta name="citation_volume" content="97"/> <meta name="citation_issue" content="10"/> <meta name="citation_publication_date" content="2021/10"/> <meta name="citation_online_date" content="2021/11/25"/> <meta name="citation_firstpage" content="1240"/> <meta name="citation_lastpage" content="1250"/> <meta name="citation_article_type" content="Article"/> <meta name="citation_language" content="en"/> <meta name="dc.identifier" content="doi:10.1007/s12594-021-1853-5"/> <meta name="DOI" content="10.1007/s12594-021-1853-5"/> <meta name="size" content="219070"/> <meta name="citation_doi" content="10.1007/s12594-021-1853-5"/> <meta name="citation_springer_api_url" content="http://api.springer.com/xmldata/jats?q=doi:10.1007/s12594-021-1853-5&api_key="/> <meta name="description" content="The Indian Shield, composed of diversified rock types, formed at different ages, emplaced in varied tectonic environments, is a natural laboratory for the "/> <meta name="dc.creator" content="Ram Mohan, M."/> <meta name="dc.creator" content="Srinivasa Sarma, D."/> <meta name="dc.creator" content="Khanna, Tarun C."/> <meta name="dc.creator" content="Satyanarayanan, M."/> <meta name="dc.creator" content="Keshav Krishna, A."/> <meta name="dc.subject" content="Geology"/> <meta name="dc.subject" content="Hydrogeology"/> <meta name="citation_reference" content="citation_journal_title=Curr. 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Jour.; citation_title=The mafic-ultramafic complex of Salem, southern India: An analogue for Neoproterozoic Alaskan-type complex; citation_author=T Yellappa, M Santosh, S Manju; citation_volume=54; citation_publication_date=2019; citation_pages=3017-3040; citation_id=CR88"/> <meta name="citation_author" content="Ram Mohan, M."/> <meta name="citation_author_institution" content="CSIR-National Geophysical Research Institute, Hyderabad, India"/> <meta name="citation_author" content="Srinivasa Sarma, D."/> <meta name="citation_author_email" content="dssarma@ngri.res.in"/> <meta name="citation_author_institution" content="CSIR-National Geophysical Research Institute, Hyderabad, India"/> <meta name="citation_author" content="Khanna, Tarun C."/> <meta name="citation_author_institution" content="CSIR-National Geophysical Research Institute, Hyderabad, India"/> <meta name="citation_author" content="Satyanarayanan, M."/> <meta name="citation_author_institution" content="CSIR-National Geophysical Research Institute, Hyderabad, India"/> <meta name="citation_author" content="Keshav Krishna, A."/> <meta name="citation_author_institution" content="CSIR-National Geophysical Research Institute, Hyderabad, India"/> <meta name="format-detection" content="telephone=no"/> <meta name="citation_cover_date" content="2021/10/01"/> <meta property="og:url" content="https://link.springer.com/article/10.1007/s12594-021-1853-5"/> <meta property="og:type" content="article"/> <meta property="og:site_name" content="SpringerLink"/> <meta property="og:title" content="Geochemical Studies in India: CSIR-NGRI Contributions - Journal of the Geological Society of India"/> <meta property="og:description" content="The Indian Shield, composed of diversified rock types, formed at different ages, emplaced in varied tectonic environments, is a natural laboratory for the geoscientific community. Multi-disciplinary studies involving tools like field geology, petrography, geophysics and geochemistry can better probe the Earth’s interior at a higher resolution. The Geochemistry Division, equipped with state-of-the-art analytical facilities such as XRF, SEM-EDS, MC-TIMS and LA-HR-ICP-MS, has made pioneering contributions to better understand the evolutionary history of the Indian Shield. This excerpt provides a glimpse of the research activities carried out by the Geochemistry Group during the last 55 years. Significant contributions include (1) geodynamics and crustal evolution of the Indian Plate in terms of nucleation, accretion and amalgamation of the three Protocontinents: Dharwar, Aravalli and Singhbhum; (2) geological and geochemical studies on the evidence for early life; and (3) deciphering the depositional environment and provenance of clastic sediments of the Dharwar Craton. Besides southern India, focused research studies in Bastar, Singhbhum and Bundelkhand cratons, Eastern Ghat Mobile Belt, Central Indian Tectonic Zone, Andaman Islands and Antarctica have yielded significant results that were published in recognised peer-reviewed National and International Journals. In addition to fundamental research, the Geochemistry Group has actively collaborated with industries like Hutti Gold Mines Limited (Hutti), Hindustan Zinc Limited (Udaipur) and National Mineral Development Corporation (Hyderabad) for the exploration of base metals and gold in different parts of the country. The analytical facilities created and developed by the Group are currently helping scores of researchers and students from a host of R&D organisations/universities across the country and even a few organisations abroad in pursuing world-class geochemical and environmental research."/> <meta property="og:image" content="https://media.springernature.com/full/springer-static/cover-hires/journal/12594"/> <meta name="format-detection" content="telephone=no"> <link rel="apple-touch-icon" sizes="180x180" href=/oscar-static/img/favicons/darwin/apple-touch-icon-92e819bf8a.png> <link rel="icon" type="image/png" sizes="192x192" href=/oscar-static/img/favicons/darwin/android-chrome-192x192-6f081ca7e5.png> <link rel="icon" type="image/png" sizes="32x32" href=/oscar-static/img/favicons/darwin/favicon-32x32-1435da3e82.png> <link rel="icon" type="image/png" sizes="16x16" href=/oscar-static/img/favicons/darwin/favicon-16x16-ed57f42bd2.png> <link rel="shortcut icon" data-test="shortcut-icon" 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Multi-disciplinary studies involving tools like field geology, petrography, geophysics and geochemistry can better probe the Earth’s interior at a higher resolution. The Geochemistry Division, equipped with state-of-the-art analytical facilities such as XRF, SEM-EDS, MC-TIMS and LA-HR-ICP-MS, has made pioneering contributions to better understand the evolutionary history of the Indian Shield. This excerpt provides a glimpse of the research activities carried out by the Geochemistry Group during the last 55 years. Significant contributions include (1) geodynamics and crustal evolution of the Indian Plate in terms of nucleation, accretion and amalgamation of the three Protocontinents: Dharwar, Aravalli and Singhbhum; (2) geological and geochemical studies on the evidence for early life; and (3) deciphering the depositional environment and provenance of clastic sediments of the Dharwar Craton. Besides southern India, focused research studies in Bastar, Singhbhum and Bundelkhand cratons, Eastern Ghat Mobile Belt, Central Indian Tectonic Zone, Andaman Islands and Antarctica have yielded significant results that were published in recognised peer-reviewed National and International Journals. In addition to fundamental research, the Geochemistry Group has actively collaborated with industries like Hutti Gold Mines Limited (Hutti), Hindustan Zinc Limited (Udaipur) and National Mineral Development Corporation (Hyderabad) for the exploration of base metals and gold in different parts of the country. The analytical facilities created and developed by the Group are currently helping scores of researchers and students from a host of R&D organisations/universities across the country and even a few organisations abroad in pursuing world-class geochemical and environmental research.","datePublished":"2021-11-25T00:00:00Z","dateModified":"2021-11-25T00:00:00Z","pageStart":"1240","pageEnd":"1250","sameAs":"https://doi.org/10.1007/s12594-021-1853-5","keywords":["Geology","Hydrogeology"],"image":[],"isPartOf":{"name":"Journal of the Geological Society of India","issn":["0974-6889","0016-7622"],"volumeNumber":"97","@type":["Periodical","PublicationVolume"]},"publisher":{"name":"Geological Society of India","logo":{"url":"https://www.springernature.com/app-sn/public/images/logo-springernature.png","@type":"ImageObject"},"@type":"Organization"},"author":[{"name":"M. Ram Mohan","affiliation":[{"name":"CSIR-National Geophysical Research Institute","address":{"name":"CSIR-National Geophysical Research Institute, Hyderabad, India","@type":"PostalAddress"},"@type":"Organization"}],"@type":"Person"},{"name":"D. Srinivasa Sarma","affiliation":[{"name":"CSIR-National Geophysical Research Institute","address":{"name":"CSIR-National Geophysical Research Institute, Hyderabad, India","@type":"PostalAddress"},"@type":"Organization"}],"email":"dssarma@ngri.res.in","@type":"Person"},{"name":"Tarun C. Khanna","affiliation":[{"name":"CSIR-National Geophysical Research Institute","address":{"name":"CSIR-National Geophysical Research Institute, Hyderabad, India","@type":"PostalAddress"},"@type":"Organization"}],"@type":"Person"},{"name":"M. Satyanarayanan","affiliation":[{"name":"CSIR-National Geophysical Research Institute","address":{"name":"CSIR-National Geophysical Research Institute, Hyderabad, India","@type":"PostalAddress"},"@type":"Organization"}],"@type":"Person"},{"name":"A. Keshav Krishna","affiliation":[{"name":"CSIR-National Geophysical Research Institute","address":{"name":"CSIR-National Geophysical Research Institute, Hyderabad, India","@type":"PostalAddress"},"@type":"Organization"}],"@type":"Person"}],"isAccessibleForFree":false,"hasPart":{"isAccessibleForFree":false,"cssSelector":".main-content","@type":"WebPageElement"},"@type":"ScholarlyArticle"},"@context":"https://schema.org","@type":"WebPage"}</script> </head> <body class="" >  <noscript> <iframe src="https://www.googletagmanager.com/ns.html?id=GTM-MRVXSHQ" height="0" width="0" style="display:none;visibility:hidden"></iframe> </noscript>   <noscript data-test="gtm-body"> <iframe src="https://www.googletagmanager.com/ns.html?id=GTM-MRVXSHQ" height="0" width="0" style="display:none;visibility:hidden"></iframe> </noscript>  <div class="u-visually-hidden" aria-hidden="true" data-test="darwin-icons"> <?xml version="1.0" encoding="UTF-8"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" 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</div> </div> </div> </section> <div class="c-article-main u-container u-mt-24 u-mb-32 l-with-sidebar" id="main-content" data-component="article-container"> <main class="u-serif js-main-column" data-track-component="article body"> <div class="c-article-header"> <header> <ul class="c-article-author-list c-article-author-list--short" data-test="authors-list" data-component-authors-activator="authors-list"><li class="c-article-author-list__item"><a data-test="author-name" data-track="click" data-track-action="open author" data-track-label="link" href="#auth-M_-Ram_Mohan-Aff1" data-author-popup="auth-M_-Ram_Mohan-Aff1" data-author-search="Ram Mohan, M.">M. Ram Mohan</a><sup class="u-js-hide"><a href="#Aff1">1</a></sup>, </li><li class="c-article-author-list__item"><a data-test="author-name" data-track="click" data-track-action="open author" data-track-label="link" href="#auth-D_-Srinivasa_Sarma-Aff1" data-author-popup="auth-D_-Srinivasa_Sarma-Aff1" data-author-search="Srinivasa Sarma, D." data-corresp-id="c1">D. Srinivasa Sarma<svg width="16" height="16" focusable="false" role="img" aria-hidden="true" class="u-icon"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-eds-i-mail-medium"></use></svg></a><sup class="u-js-hide"><a href="#Aff1">1</a></sup>, </li><li class="c-article-author-list__item c-article-author-list__item--hide-small-screen"><a data-test="author-name" data-track="click" data-track-action="open author" data-track-label="link" href="#auth-Tarun_C_-Khanna-Aff1" data-author-popup="auth-Tarun_C_-Khanna-Aff1" data-author-search="Khanna, Tarun C.">Tarun C. Khanna</a><sup class="u-js-hide"><a href="#Aff1">1</a></sup>, </li><li class="c-article-author-list__item c-article-author-list__item--hide-small-screen"><a data-test="author-name" data-track="click" data-track-action="open author" data-track-label="link" href="#auth-M_-Satyanarayanan-Aff1" data-author-popup="auth-M_-Satyanarayanan-Aff1" data-author-search="Satyanarayanan, M.">M. Satyanarayanan</a><sup class="u-js-hide"><a href="#Aff1">1</a></sup> & </li><li class="c-article-author-list__show-more" aria-label="Show all 5 authors for this article" title="Show all 5 authors for this article">…</li><li class="c-article-author-list__item"><a data-test="author-name" data-track="click" data-track-action="open author" data-track-label="link" href="#auth-A_-Keshav_Krishna-Aff1" data-author-popup="auth-A_-Keshav_Krishna-Aff1" data-author-search="Keshav Krishna, A.">A. Keshav Krishna</a><sup class="u-js-hide"><a href="#Aff1">1</a></sup> </li></ul><button aria-expanded="false" class="c-article-author-list__button"><svg width="16" height="16" focusable="false" role="img" aria-hidden="true" class="u-icon"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-eds-i-chevron-down-medium"></use></svg><span>Show authors</span></button> <div data-test="article-metrics"> <ul class="app-article-metrics-bar u-list-reset"> <li class="app-article-metrics-bar__item"> <p class="app-article-metrics-bar__count"><svg class="u-icon app-article-metrics-bar__icon" width="24" height="24" aria-hidden="true" focusable="false"> <use xlink:href="#icon-eds-i-accesses-medium"></use> </svg>112 <span class="app-article-metrics-bar__label">Accesses</span></p> </li> <li class="app-article-metrics-bar__item app-article-metrics-bar__item--metrics"> <p class="app-article-metrics-bar__details"><a href="/article/10.1007/s12594-021-1853-5/metrics" data-track="click" data-track-action="view metrics" data-track-label="link" rel="nofollow">Explore all metrics <svg class="u-icon app-article-metrics-bar__arrow-icon" width="24" height="24" aria-hidden="true" focusable="false"> <use xlink:href="#icon-eds-i-arrow-right-medium"></use> </svg></a></p> </li> </ul> </div> <div class="u-mt-32"> </div> </header> </div> <div data-article-body="true" data-track-component="article body" class="c-article-body"> <section aria-labelledby="Abs1" data-title="Abstract" lang="en"><div class="c-article-section" id="Abs1-section"><h2 class="c-article-section__title js-section-title js-c-reading-companion-sections-item" id="Abs1">Abstract</h2><div class="c-article-section__content" id="Abs1-content"><p>The Indian Shield, composed of diversified rock types, formed at different ages, emplaced in varied tectonic environments, is a natural laboratory for the geoscientific community. Multi-disciplinary studies involving tools like field geology, petrography, geophysics and geochemistry can better probe the Earth’s interior at a higher resolution. The Geochemistry Division, equipped with state-of-the-art analytical facilities such as XRF, SEM-EDS, MC-TIMS and LA-HR-ICP-MS, has made pioneering contributions to better understand the evolutionary history of the Indian Shield. This excerpt provides a glimpse of the research activities carried out by the Geochemistry Group during the last 55 years. Significant contributions include (1) geodynamics and crustal evolution of the Indian Plate in terms of nucleation, accretion and amalgamation of the three Protocontinents: Dharwar, Aravalli and Singhbhum; (2) geological and geochemical studies on the evidence for early life; and (3) deciphering the depositional environment and provenance of clastic sediments of the Dharwar Craton. Besides southern India, focused research studies in Bastar, Singhbhum and Bundelkhand cratons, Eastern Ghat Mobile Belt, Central Indian Tectonic Zone, Andaman Islands and Antarctica have yielded significant results that were published in recognised peer-reviewed National and International Journals. In addition to fundamental research, the Geochemistry Group has actively collaborated with industries like Hutti Gold Mines Limited (Hutti), Hindustan Zinc Limited (Udaipur) and National Mineral Development Corporation (Hyderabad) for the exploration of base metals and gold in different parts of the country. The analytical facilities created and developed by the Group are currently helping scores of researchers and students from a host of R&D organisations/universities across the country and even a few organisations abroad in pursuing world-class geochemical and environmental research.</p></div></div></section> <div class="c-notes"> <p class="c-notes__text c-status-message--info"> <svg width="24" height="24" focusable="false" role="img" aria-hidden="true" class="c-status-message__icon"> <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-eds-i-info-filled-medium"></use> </svg> This is a preview of subscription content, <a id="test-login-banner-link" href="//wayf.springernature.com?redirect_uri=https%3A%2F%2Flink.springer.com%2Farticle%2F10.1007%2Fs12594-021-1853-5%3FfromPaywallRec%3Dtrue%26error%3Dcookies_not_supported%26code%3D86bfd001-93cb-403f-9657-05b89968061a" data-track="click" data-track-action="login" data-track-label="link" class="c-preview-message__link">log in via an institution</a> <svg width="16" height="16" focusable="false" role="img" aria-hidden="true" class="u-icon c-external-link__icon"> <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-eds-i-external-link-small"></use> </svg> to check access. </p> </div> <div data-test="access-article" class="app-article-access"> <h2 class="app-article-access__heading">Access this article</h2> <div class="u-ma-16 u-clear-both"> <a href="//wayf.springernature.com?redirect_uri=https%3A%2F%2Flink.springer.com%2Farticle%2F10.1007%2Fs12594-021-1853-5%3FfromPaywallRec%3Dtrue%26error%3Dcookies_not_supported%26code%3D86bfd001-93cb-403f-9657-05b89968061a" class="u-button u-button--full-width u-button--primary u-justify-content-space-between c-pdf-download__link" data-track="click" data-track-action="institution access" data-track-label="button"> <span data-test="access-via-institution">Log in via an institution</span> <svg aria-hidden="true" focusable="false" width="24" height="24" class="u-icon"> <use xlink:href="#icon-eds-i-arrow-right-medium"></use> </svg> </a> </div> <div data-test="buy-box-mobile" class="c-article-buy-box"> <div class="sprcom-buybox-articleDarwin" id="sprcom-buybox-articleDarwin">  <div class="buying-option" data-test-id="buy-article-darwin"> <div> <div class="c-springer-plus"> <h2 class="springer-plus-heading">Subscribe and save</h2> <div class="springer-plus"> <div class="springer-plus-headline"> <div class="springer-plus-title"> <svg aria-hidden="true" focusable="false" width="16" height="16" class="u-icon"> <use xlink:href="#icon-eds-i-check-filled-medium"></use> </svg><span>Springer+ Basic</span> </div> <div class="dd price-amount-springer-plus"> €32.70 /Month </div> </div> <ul class="buying-option-usps"> <li>Get 10 units per month</li> <li>Download Article/Chapter or eBook</li> <li>1 Unit = 1 Article or 1 Chapter</li> <li>Cancel anytime</li> </ul><a href="https://link.springer.com/product/springer-plus" id="btn-subscribe-springerPlus" class="u-button u-button--full-width u-button--secondary" data-track="click||click_springer_subscribe" data-track-context="buy box"><span>Subscribe now </span> <svg aria-hidden="true" focusable="false" width="16" height="16" class="u-icon"> <use xlink:href="#icon-eds-i-arrow-right-medium"></use> </svg></a> </div> <h2 class="springer-plus-heading">Buy Now</h2> </div> <div class="buybox__buy"> <form action="https://order.springer.com/public/cart" method="post"> <input type="hidden" name="type" value="article"><input type="hidden" name="doi" value="10.1007/s12594-021-1853-5"><input type="hidden" name="isxn" value="0974-6889"><input type="hidden" name="contenttitle" value="Geochemical Studies in India: CSIR-NGRI Contributions"><input type="hidden" name="copyrightyear" value="2021"><input type="hidden" name="year" value="2021"><input type="hidden" name="authors" value="M. 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M. Tiwari, Director, CSIR-NGRI, is thanked for permitting to publish this work. This review on the significant contributions by the Geochemistry Group is dedicated to the memory of Late Dr. S. M. Naqvi. All former colleagues of Geochemistry Group are acknowledged for their invaluable contributions and commitment. This is CSIR-NGRI contribution No. NGRI/Lib/2021/Pub-91.</p></div></div></section><section aria-labelledby="author-information" data-title="Author information"><div class="c-article-section" id="author-information-section"><h2 class="c-article-section__title js-section-title js-c-reading-companion-sections-item" id="author-information">Author information</h2><div class="c-article-section__content" id="author-information-content"><h3 class="c-article__sub-heading" id="affiliations">Authors and Affiliations</h3><ol class="c-article-author-affiliation__list"><li id="Aff1"><p class="c-article-author-affiliation__address">CSIR-National Geophysical Research Institute, Uppal Road, Hyderabad, 500 007, India</p><p class="c-article-author-affiliation__authors-list">M. Ram Mohan, D. Srinivasa Sarma, Tarun C. Khanna, M. Satyanarayanan & A. 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id="citeas">Cite this article</h3><p class="c-bibliographic-information__citation">Ram Mohan, M., Srinivasa Sarma, D., Khanna, T.C. <i>et al.</i> Geochemical Studies in India: CSIR-NGRI Contributions. <i>J Geol Soc India</i> <b>97</b>, 1240–1250 (2021). https://doi.org/10.1007/s12594-021-1853-5</p><p class="c-bibliographic-information__download-citation u-hide-print"><a data-test="citation-link" data-track="click" data-track-action="download article citation" data-track-label="link" data-track-external="" rel="nofollow" href="https://citation-needed.springer.com/v2/references/10.1007/s12594-021-1853-5?format=refman&flavour=citation">Download citation<svg width="16" height="16" focusable="false" role="img" aria-hidden="true" class="u-icon"><use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-eds-i-download-medium"></use></svg></a></p><ul class="c-bibliographic-information__list" data-test="publication-history"><li 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