{"id":23479,"date":"2019-11-07T19:21:35","date_gmt":"2019-11-07T19:21:35","guid":{"rendered":"https:\/\/isobarscience.com\/strontium\/application\/"},"modified":"2022-09-11T16:42:23","modified_gmt":"2022-09-11T16:42:23","slug":"application","status":"publish","type":"page","link":"https:\/\/isobarscience.com\/pt-br\/strontium\/application\/","title":{"rendered":"Application"},"content":{"rendered":"<p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-6g67yh-2579f74c9face19adf2500791b1ded0c\">\n.flex_column.av-6g67yh-2579f74c9face19adf2500791b1ded0c{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-6g67yh-2579f74c9face19adf2500791b1ded0c av_one_full  avia-builder-el-0  el_before_av_one_full  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-k2p3kbx6-f87c6e1b2c3201fdb83cd4a1d768fa93 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1 style=\"text-align: center;\">Introduction to Sr Isotopes &amp; Geochemistry<\/h1>\n<p><div id=\"attachment_1828\" style=\"width: 510px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1828\" class=\"img-responsive wp-image-1828\" src=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range2-1030x889.jpg\" alt=\"Isobar strontium geochemistry\" width=\"500\" height=\"432\" srcset=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range2-1030x889.jpg 1030w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range2-300x259.jpg 300w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range2-768x663.jpg 768w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range2-1536x1326.jpg 1536w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range2-1500x1295.jpg 1500w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range2-705x609.jpg 705w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range2.jpg 1601w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><p id=\"caption-attachment-1828\" class=\"wp-caption-text\"><span style=\"color: #808080;\">Compilation of <span style=\"font-weight: 400;\"><sup>87<\/sup><\/span><span style=\"font-weight: 400;\">Sr<\/span>\/<span style=\"font-weight: 400;\"><sup>86<\/sup><\/span><span style=\"font-weight: 400;\">Sr<\/span> ranges for various earth system materials and environments. Data after Capo et al, 1998 and Bentley, 2006.<\/span><\/p><\/div><br \/>\n<span style=\"font-weight: 400;\">The element strontium has four naturally occurring isotopes &#8211; all are stable: <\/span><span style=\"font-weight: 400;\"><sup>84<\/sup><\/span><span style=\"font-weight: 400;\">Sr, <\/span><span style=\"font-weight: 400;\"><sup>86<\/sup><\/span><span style=\"font-weight: 400;\">Sr, <\/span><span style=\"font-weight: 400;\"><sup>87<\/sup><\/span><span style=\"font-weight: 400;\">Sr, and <\/span><span style=\"font-weight: 400;\"><sup>88<\/sup><\/span><span style=\"font-weight: 400;\">Sr. Only <\/span><span style=\"font-weight: 400;\"><sup>87<\/sup><\/span><span style=\"font-weight: 400;\">Sr is radiogenic &#8211; produced by the \u03b2-decay of <\/span><span style=\"font-weight: 400;\"><sup>87<\/sup><\/span><span style=\"font-weight: 400;\">Rb with a half-life of 48.8 billion years. In geologic and environmental investigations, the ratio of <\/span><span style=\"font-weight: 400;\"><sup>87<\/sup><\/span><span style=\"font-weight: 400;\">Sr\/<\/span><span style=\"font-weight: 400;\"><sup>86<\/sup><\/span><span style=\"font-weight: 400;\">Sr is typically used because of their similar abundances \u2013 7% and 10%, respectively. Strontium separation from interfering matrix elements is done by extraction chromatography and high-precision isotope dilution mass spectrometry. Multi-collector inductively coupled plasma mass spectrometery (<\/span><i><span style=\"font-weight: 400;\">i.e.<\/span><\/i><span style=\"font-weight: 400;\"> MC-ICP-MS) provides precise measurements of the isotopes of Sr (<\/span><span style=\"font-weight: 400;\"><sup>87<\/sup><\/span><span style=\"font-weight: 400;\">Sr\/<\/span><span style=\"font-weight: 400;\"><sup>86<\/sup><\/span><span style=\"font-weight: 400;\">Sr). Sr isotopic high precision measurements can be conducted on small sample sizes and sample preparation is easy compared to other isotopes.<\/span><br \/>\n<span style=\"font-weight: 400;\">Strontium is a ubiquitous trace element present in rocks, soil, waters, plants, and animals. The <\/span><strong><sup>87<\/sup>Sr\/<sup>86<\/sup><\/strong><span style=\"font-weight: 400;\"><strong>Sr ratio<\/strong> is a function of the geochemical origin, Rb concentration, and age of the source rock. Because of the high mass of Sr, the ratio is essentially unchanged as the rock weathers and moves through the water cycle and food chain. Thus, the <\/span><span style=\"font-weight: 400;\"><sup>87<\/sup><\/span><span style=\"font-weight: 400;\">Sr\/<\/span><span style=\"font-weight: 400;\"><sup>86<\/sup><\/span><span style=\"font-weight: 400;\">Sr ratio is extensively used in geochemical fingerprinting, source tracking, contamination prediction, and migration\/mobility studies. A systematic change in <\/span><span style=\"font-weight: 400;\"><sup>87<\/sup><\/span><span style=\"font-weight: 400;\">Sr\/<\/span><span style=\"font-weight: 400;\"><sup>86<\/sup><\/span><span style=\"font-weight: 400;\">Sr ratio of seawater through time has provided a basis for strontium stratigraphy and strontium chronology of marine biogenic carbonates and phosphates.<\/span><br \/>\n<iframe loading=\"lazy\" class=\"aligncenter embed-responsive-item\" src=\"https:\/\/www.youtube.com\/embed\/ARfk6fCOYtg\" width=\"803\" height=\"452\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p align=\"center\">Duration: 53 seconds || Speaker: Arash Sharifi, PhD<br \/>\nThis video excerpt is part of Isobar Science\u2019s webinar: <a title=\"Geochemistry and Application of Strontium Isotopes\" href=\"https:\/\/isobarscience.com\/sr-isotopes-webinar\/\">Geochemistry and Application of Strontium Isotopes<\/a>.<br \/>\nDisclaimer: This video is hosted in a third-party site and may contain advertising.<\/p>\n<\/div><\/section><\/div><div  class='hr av-1wdnq1-04a58e6ea4090af47732a2f37acb4687 hr-default'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-k2p3nbk5-fbb6f252cba41ffb7c1f08e0d040cc83 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h2 style=\"text-align: center;\"><b>Sr Isotopic Ratio Applications<\/b><\/h2>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k2pe6fv5-d0c4f0e56d67472d8e4cf3cb02da60e3\">\n#top .hr.hr-invisible.av-k2pe6fv5-d0c4f0e56d67472d8e4cf3cb02da60e3{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-k2pe6fv5-d0c4f0e56d67472d8e4cf3cb02da60e3 hr-invisible'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<div class='flex_column_table av-40hhzd-36a2dcb0ed4e434c00ff014c0f89bf70 sc-av_one_half av-equal-height-column-flextable'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-40hhzd-36a2dcb0ed4e434c00ff014c0f89bf70\">\n.flex_column.av-40hhzd-36a2dcb0ed4e434c00ff014c0f89bf70{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-40hhzd-36a2dcb0ed4e434c00ff014c0f89bf70 av_one_half first flex_column_table_cell av-equal-height-column av-align-top av-animated-generic fade-in av-zero-column-padding  '     ><section  class='av_textblock_section av-k2p3o384-535fc7625dd5ead8b9d609f0198268a9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3><strong>Archaeology<\/strong><\/h3>\n<p><div id=\"attachment_7385\" style=\"width: 510px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7385\" class=\"img-responsive wp-image-7385\" src=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/08\/Sr-Isotopic-Range-Archaeology-1030x514.jpg\" alt=\"Strontium ratio human deciduous teeth \" width=\"500\" height=\"250\" srcset=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/08\/Sr-Isotopic-Range-Archaeology-1030x514.jpg 1030w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/08\/Sr-Isotopic-Range-Archaeology-300x150.jpg 300w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/08\/Sr-Isotopic-Range-Archaeology-768x383.jpg 768w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/08\/Sr-Isotopic-Range-Archaeology-1536x767.jpg 1536w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/08\/Sr-Isotopic-Range-Archaeology-2048x1022.jpg 2048w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/08\/Sr-Isotopic-Range-Archaeology-1500x749.jpg 1500w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/08\/Sr-Isotopic-Range-Archaeology-705x352.jpg 705w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><p id=\"caption-attachment-7385\" class=\"wp-caption-text\"><span style=\"color: #808080;\">Strontium isotopic ratio (87Sr\/86Sr) of human deciduous teeth showing human mobility in southern Italy during the Gravettian and Epigravettian periods (32157-19097 yr cal BP), across the Last Glacial Maximum. Adapted from Lugli et al., 2019.<\/span><\/p><\/div><br \/>\n<span style=\"font-weight: 400;\">Each region in the world presents a specific <\/span><span style=\"font-weight: 400;\"><sup>87<\/sup><\/span><span style=\"font-weight: 400;\">Sr\/<\/span><span style=\"font-weight: 400;\"><sup>86<\/sup><\/span><span style=\"font-weight: 400;\">Sr ratio based on the surrounding geology and water sources. Humans, plants and other animals inherit the Sr isotopic signature of their habitat as Sr is incorporated in their cells along with other elements (i.e. Ca). As humans and animals move from one habitat to another, they may be exposed to different sources of water and food (plant and animal). Measuring the <\/span><span style=\"font-weight: 400;\"><sup>87<\/sup><\/span><span style=\"font-weight: 400;\">Sr\/<\/span><span style=\"font-weight: 400;\"><sup>86<\/sup><\/span><span style=\"font-weight: 400;\">Sr ratio in human and animal bone and hair is a powerful tool for tracking mobility and migration. Read our post on <a href=\"https:\/\/isobarscience.com\/tracing-diets-sr-isotopes\/\">Tracing the diet of herbivores and omnivores through isotopic analysis<\/a> to learn more.\u00a0<\/span><\/p>\n<\/div><\/section><\/div><\/div><!--close column table wrapper. Autoclose: 1 --><br \/>\n<div class='flex_column_table av-40hhzd-badb61730aaf84890960a95316ec82c4 sc-av_one_half av-equal-height-column-flextable'><div class='av-flex-placeholder'><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-40hhzd-badb61730aaf84890960a95316ec82c4\">\n.flex_column.av-40hhzd-badb61730aaf84890960a95316ec82c4{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-40hhzd-badb61730aaf84890960a95316ec82c4 av_one_half flex_column_table_cell av-equal-height-column av-align-top av-animated-generic fade-in av-zero-column-padding  '     ><section  class='av_textblock_section av-k2p3o384-535fc7625dd5ead8b9d609f0198268a9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3><b>Groundwater<\/b><\/h3>\n<p><div id=\"attachment_1838\" style=\"width: 510px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1838\" class=\"img-responsive wp-image-1838\" src=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Saltwater-1030x567.jpg\" alt=\"Strontium ratio of groundwater \" width=\"500\" height=\"275\" srcset=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Saltwater-1030x567.jpg 1030w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Saltwater-300x165.jpg 300w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Saltwater-768x423.jpg 768w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Saltwater-1536x845.jpg 1536w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Saltwater-2048x1127.jpg 2048w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Saltwater-1500x825.jpg 1500w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Saltwater-705x388.jpg 705w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><p id=\"caption-attachment-1838\" class=\"wp-caption-text\"><span style=\"color: #808080;\">Saltwater intrusion in the Biscayne aquifer as indicated by strontium isotopic ratio (<span style=\"font-weight: 400;\"><sup>87<\/sup><\/span><span style=\"font-weight: 400;\">Sr<\/span>\/<span style=\"font-weight: 400;\"><sup>86<\/sup><\/span><span style=\"font-weight: 400;\">Sr<\/span>) of water samples collected in Miami-Dade County during 2009. Data from Prinos et al., 2014.<\/span><\/p><\/div><br \/>\n<span style=\"font-weight: 400;\">As physical processes do not cause fractionation in strontium isotopes, the <\/span><span style=\"font-weight: 400;\"><sup>87<\/sup><\/span><span style=\"font-weight: 400;\">Sr\/<\/span><span style=\"font-weight: 400;\"><sup>86<\/sup><\/span><span style=\"font-weight: 400;\">Sr ratio of groundwater reflects the isotopic signature of the source water plus the rock formations along its flow path. Using the Sr isotopic ratio along with the Sr concentration in the water is a powerful method to trace groundwater mixing and contamination, as well as saltwater intrusion.<\/span><\/p>\n<\/div><\/section><\/div><\/div><!--close column table wrapper. Autoclose: 1 --><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2anmt5-93b87517ef5cde14804bece53c5e39cb\">\n.flex_column.av-2anmt5-93b87517ef5cde14804bece53c5e39cb{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2anmt5-93b87517ef5cde14804bece53c5e39cb av_one_half first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-k2p3o384-535fc7625dd5ead8b9d609f0198268a9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3><b>Geochronology-Stratigraphy<\/b><\/h3>\n<p><div id=\"attachment_7389\" style=\"width: 560px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7389\" class=\"img-responsive wp-image-7389\" src=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/08\/Sr-Isotope-Seawater-Curve-1030x456.jpg\" alt=\"Sr Isotope Seawater Curve\" width=\"550\" height=\"243\" srcset=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/08\/Sr-Isotope-Seawater-Curve-1030x456.jpg 1030w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/08\/Sr-Isotope-Seawater-Curve-300x133.jpg 300w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/08\/Sr-Isotope-Seawater-Curve-768x340.jpg 768w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/08\/Sr-Isotope-Seawater-Curve-1536x680.jpg 1536w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/08\/Sr-Isotope-Seawater-Curve-2048x907.jpg 2048w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/08\/Sr-Isotope-Seawater-Curve-1500x664.jpg 1500w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/08\/Sr-Isotope-Seawater-Curve-705x312.jpg 705w\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" \/><p id=\"caption-attachment-7389\" class=\"wp-caption-text\"><span style=\"color: #808080;\">Strontium isotopic ratio ( 87 Sr\/ 86 Sr) of seawater during geological time based on analyses of bulk sediment, unaltered brachiopods, belemnites, conodonts and foraminifera samples from various locations around the world. Red area denotes the 95-percent confidence interval. Adapted from McArthur et al., 2001.<\/span><\/p><\/div><br \/>\n<span style=\"font-weight: 400;\">Precipitation of marine biogenic carbonates and phosphates involves uptake of strontium from seawater with the <\/span><span style=\"font-weight: 400;\"><sup>87<\/sup><\/span><span style=\"font-weight: 400;\">Sr\/<\/span><span style=\"font-weight: 400;\"><sup>86<\/sup><\/span><span style=\"font-weight: 400;\">Sr ratio identical to that of the oceanic value at the time of incorporation. By measuring the <\/span><span style=\"font-weight: 400;\"><sup>87<\/sup><\/span><span style=\"font-weight: 400;\">Sr\/<\/span><span style=\"font-weight: 400;\"><sup>86<\/sup><\/span><span style=\"font-weight: 400;\">Sr ratio in the sample and placing it on the standard seawater Sr-curve the age of the sample can be determined. This method works best for time periods with long-term unidirectional shifts in the <\/span><span style=\"font-weight: 400;\"><sup>87<\/sup><\/span><span style=\"font-weight: 400;\">Sr\/<\/span><span style=\"font-weight: 400;\"><sup>86<\/sup><\/span><span style=\"font-weight: 400;\">Sr ratio, such as the Tertiary, but technically can work over the past 600 million years. This method gives a maximum time resolution of 1 million year.<\/span><\/p>\n<\/div><\/section><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2anmt5-c5466648cc8fead8751a95e7a1c776a2\">\n.flex_column.av-2anmt5-c5466648cc8fead8751a95e7a1c776a2{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2anmt5-c5466648cc8fead8751a95e7a1c776a2 av_one_half flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-k2p3o384-535fc7625dd5ead8b9d609f0198268a9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3><b>Forensics <\/b><\/h3>\n<div id=\"attachment_1840\" style=\"width: 510px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1840\" class=\"img-responsive wp-image-1840\" src=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Wine-1030x797.jpg\" alt=\"Geochemical fingerprinting food\" width=\"500\" height=\"387\" srcset=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Wine-1030x797.jpg 1030w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Wine-300x232.jpg 300w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Wine-768x594.jpg 768w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Wine-1536x1188.jpg 1536w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Wine-1500x1160.jpg 1500w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Wine-705x545.jpg 705w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Wine.jpg 1921w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><p id=\"caption-attachment-1840\" class=\"wp-caption-text\"><span style=\"color: #808080;\"><span style=\"font-weight: 400;\"><sup>87<\/sup><\/span><span style=\"font-weight: 400;\">Sr<\/span>\/<span style=\"font-weight: 400;\"><sup>86<\/sup><\/span><span style=\"font-weight: 400;\">Sr<\/span> ranges of geological substrates (open boxes) and wines (filled boxes) from the vineyards on the same substrate in different regions of Italy. Redrawn from Marchionni et al., 2013.<\/span><\/p><\/div>\n<p class=\"p1\">The concept of \u201cWe are what we eat\u201d is very true when it comes to the isotopic signature of living organisms.<span class=\"Apple-converted-space\">\u00a0<\/span>The cells of humans, plants, and other animals reflect the isotopic signature of the food and water from their habitats. This quality has been used successfully in forensic science for the geochemical fingerprinting of narcotics, to study the ethnic background of an individual living in a society, to track the migration pattern of communities, and to trace food adulteration, especially in wine industry. Read more on <a href=\"https:\/\/isobarscience.com\/sr-pb-isotopes-in-forensics\/\">Isotopic Analysis in Forensic Geography<\/a>.<\/p>\n<\/div><\/section><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2anmt5-93b87517ef5cde14804bece53c5e39cb\">\n.flex_column.av-2anmt5-93b87517ef5cde14804bece53c5e39cb{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2anmt5-93b87517ef5cde14804bece53c5e39cb av_one_half first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-k2p3o384-535fc7625dd5ead8b9d609f0198268a9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3><b>Oil Industry<\/b><\/h3>\n<p><div id=\"attachment_1839\" style=\"width: 510px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1839\" class=\"img-responsive wp-image-1839\" src=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Oil-Industry-848x1030.jpg\" alt=\"Strontium fingerprint oil studies\" width=\"500\" height=\"607\" srcset=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Oil-Industry-848x1030.jpg 848w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Oil-Industry-247x300.jpg 247w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Oil-Industry-768x932.jpg 768w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Oil-Industry-1265x1536.jpg 1265w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Oil-Industry-1236x1500.jpg 1236w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Oil-Industry-581x705.jpg 581w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Sr-Isotopic-Range-Oil-Industry.jpg 1668w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><p id=\"caption-attachment-1839\" class=\"wp-caption-text\"><span style=\"color: #808080;\">Strontium isotope ratios of residual salts in the oil leg from the lower Jurassic Tilje formation, Norway, show that shale layers compartmentalize oil reservoirs. Some layers are more effective barriers to mixing of petroleum than the others. Modified after Peters et al., 2005.<\/span><\/p><\/div><br \/>\n<span style=\"font-weight: 400;\">Sr geochemical fingerprinting has a variety of applications in the oil industry. Since different geological formations present specific Sr isotopic signatures, the <\/span><span style=\"font-weight: 400;\"><sup>87<\/sup><\/span><span style=\"font-weight: 400;\">Sr\/<\/span><span style=\"font-weight: 400;\"><sup>86<\/sup><\/span><span style=\"font-weight: 400;\">Sr ratio can be used to study oil migration and mixing between geological units and their compartmentalization efficiency. The Sr isotopic ratio is also broadly used for production water tracing and isotope stratigraphy.<\/span><\/p>\n<\/div><\/section><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2anmt5-93b87517ef5cde14804bece53c5e39cb\">\n.flex_column.av-2anmt5-93b87517ef5cde14804bece53c5e39cb{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2anmt5-93b87517ef5cde14804bece53c5e39cb av_one_full  avia-builder-el-2  el_after_av_one_full  el_before_av_one_full  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-k2p3o384-535fc7625dd5ead8b9d609f0198268a9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3 style=\"text-align: center;\"><strong><a href=\"https:\/\/isobarscience.com\/strontium\/sample-types\/\">More information on Sample Types and Selection<\/a><\/strong><\/h3>\n<\/div><\/section><br \/>\n<section  class='av_textblock_section av-k2p3o384-535fc7625dd5ead8b9d609f0198268a9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><hr \/>\n<h3><span style=\"color: #000000;\"><strong>References<\/strong><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Bentley, R.A., (2006). Strontium isotopes from the earth to the archaeological skeleton: a review. Journal of archaeological method and theory, 13(3), pp.135-187. DOI: 10.1007\/s10816-006-9009-x<\/span><br \/>\n<span style=\"font-weight: 400;\">Capo, R.C., Stewart, B.W. and Chadwick, O.A., (1998). Strontium isotopes as tracers of ecosystem processes: theory and methods. Geoderma, 82(1-3), pp.197-225. DOI: 10.1016\/S0016-7061(97)00102-X<\/span><br \/>\n<span style=\"font-weight: 400;\">Lugli, F., Cipriani, A., Capecchi, G., Ricci, S., Boschin, F., Boscato, P., Iacumin, P., Badino, F., Mannino, M.A., Talamo, S. and Richards, M.P., (2019). Strontium and stable isotope evidence of human mobility strategies across the Last Glacial Maximum in southern Italy. Nature ecology &#038; evolution, 3(6), pp.905-911. DOI: 10.1038\/s41559-019-0900-8<\/span><br \/>\n<span style=\"font-weight: 400;\">Marchionni, S., Braschi, E., Tommasini, S., Bollati, A., Cifelli, F., Mulinacci, N., Mattei, M. and Conticelli, S., (2013). High-precision 87Sr\/86Sr analyses in wines and their use as a geological fingerprint for tracing geographic provenance. Journal of agricultural and food chemistry, 61(28), pp.6822-6831. DOI: 10.1021\/jf4012592<\/span><br \/>\n<span style=\"font-weight: 400;\">McArthur, J.M., Howarth, R.J. and Bailey, T.R., (2001). Strontium isotope stratigraphy: LOWESS version 3: best fit to the marine Sr-isotope curve for 0\u2013509 Ma and accompanying look-up table for deriving numerical age. The Journal of Geology, 109(2), pp.155-170. DOI: 10.1086\/319243<\/span><br \/>\n<span style=\"font-weight: 400;\">Peters, K.E., Walters, C.C. and Moldowan, J.M., (2007). The biomarker guide: Volume 1, Biomarkers and isotopes in the environment and human history. Cambridge university press.<\/span><br \/>\n<span style=\"font-weight: 400;\">Prinos, S.T., Wacker, M.A., Cunningham, K.J. and Fitterman, D.V., (2014). Origins and delineation of saltwater intrusion in the Biscayne aquifer and changes in the distribution of saltwater in Miami-Dade County, Florida (No. 2014-5025). US Geological Survey. DOI: 10.3133\/sir20145025<\/span><\/p>\n<\/div><\/section><\/p><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1z9eah-9d3db8efa15bf58d4c678a08abc2835b\">\n.flex_column.av-1z9eah-9d3db8efa15bf58d4c678a08abc2835b{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-1z9eah-9d3db8efa15bf58d4c678a08abc2835b av_two_third first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-k901y2kt-11ed945708cfbfbd19c7256992a60a5e '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div style=\"background: #f6f6f6; padding: 25px 25px; border: 2px solid blue; border-radius: 4px;\">\n<h4 style=\"color: black; font-size: 22px;\"><strong>Related Topics<\/strong><\/h4>\n<p style=\"line-height: 1.2;\"><a style=\"font-size: 15px;\" href=\"https:\/\/isobarscience.com\/strontium\/method\/\">Methodology: Strontium Isotope Analysis<br \/>\n<\/a><\/p>\n<p style=\"line-height: 1.2;\"><a style=\"font-size: 15px;\" href=\"https:\/\/isobarscience.com\/strontium\/sample-types\/\">Sample Type And Selection For Strontium Isotopes<\/a><\/p>\n<p style=\"line-height: 1.2;\"><a style=\"font-size: 15px;\" href=\"https:\/\/isobarscience.com\/tracing-diets-sr-isotopes\/\">Tracing the diet of herbivores and omnivores through isotopic analysis<\/a><\/p>\n<\/div>\n<\/div><\/section><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"parent":23067,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-23479","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/isobarscience.com\/pt-br\/wp-json\/wp\/v2\/pages\/23479","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/isobarscience.com\/pt-br\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/isobarscience.com\/pt-br\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/isobarscience.com\/pt-br\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/isobarscience.com\/pt-br\/wp-json\/wp\/v2\/comments?post=23479"}],"version-history":[{"count":1,"href":"https:\/\/isobarscience.com\/pt-br\/wp-json\/wp\/v2\/pages\/23479\/revisions"}],"predecessor-version":[{"id":23487,"href":"https:\/\/isobarscience.com\/pt-br\/wp-json\/wp\/v2\/pages\/23479\/revisions\/23487"}],"up":[{"embeddable":true,"href":"https:\/\/isobarscience.com\/pt-br\/wp-json\/wp\/v2\/pages\/23067"}],"wp:attachment":[{"href":"https:\/\/isobarscience.com\/pt-br\/wp-json\/wp\/v2\/media?parent=23479"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}