{"id":23552,"date":"2019-11-13T15:00:45","date_gmt":"2019-11-13T15:00:45","guid":{"rendered":"https:\/\/isobarscience.com\/u-th\/application\/"},"modified":"2025-12-24T09:22:07","modified_gmt":"2025-12-24T09:22:07","slug":"application","status":"publish","type":"page","link":"https:\/\/isobarscience.com\/zh-hans\/u-th\/application\/","title":{"rendered":"Application"},"content":{"rendered":"<section  class='av_textblock_section av-k2pnq1lm-57b7cdb82c54027df924b7218c6422ea '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1 style=\"text-align: center;\">\u94c0-\u948d\u6d4b\u5e74<\/h1>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-6svedh-ae4c42ac75775780cce2d55143590bff\">\n.flex_column.av-6svedh-ae4c42ac75775780cce2d55143590bff{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-6svedh-ae4c42ac75775780cce2d55143590bff av_one_full  avia-builder-el-1  el_after_av_textblock  el_before_av_hr  first flex_column_div av-zero-column-padding  column-top-margin'     ><p><section  class='av_textblock_section av-ktd0w1cs-69891e68f9467c8bb29bddc5706c9f3b '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>\u94c0-\u948d\uff08<span style=\"font-weight: 400;\">U-Th<\/span>\uff09\u6d4b\u5e74\u6cd5\u57fa\u4e8e\u5bf9\u6bcd\u4f53\uff08\u94c0\uff09\u548c\u5b50\u4f53\uff08\u948d\uff09\u540c\u4f4d\u7d20\u6d3b\u5ea6\u6bd4\u7684\u5206\u6790\u3002\u5229\u7528\u8be5\u6bd4\u503c\u53ef\u4ee5\u4f30\u7b97\u6bcd\u4f53\u968f\u65f6\u95f4\u7684\u8870\u53d8\u4ee5\u53ca\u5b50\u4f53\u7684\u751f\u6210\u91cf\u3002\u5177\u4f53\u65b9\u6cd5\u662f\u4f7f\u7528\u8d28\u8c31\u4eea\u6d4b\u5b9a\u7ed9\u5b9a\u6837\u54c1\u4e2d\u6bcd\u4f53\uff08234U\uff09\u548c\u5b50\u4f53\uff08230Th\uff09\u7684\u8870\u53d8\u4ea7\u7269\u3002\u94c0\u8870\u53d8\u65f6\u4f1a\u7ecf\u5386\u4e00\u7cfb\u5217\u8870\u53d8\u6b65\u9aa4\uff08\u59cb\u4e8e238U\uff09\uff0c\u6700\u7ec8\u8fbe\u5230\u7a33\u5b9a\u7684\u540c\u4f4d\u7d20\uff08\u6700\u7ec8\u4ea7\u7269\u4e3a206Pb\uff0c\u89c1\u4e0b\u6587\uff09\u3002<\/p>\n<\/div><\/section><br \/>\n<section  class='av_textblock_section av-ktd0w1cs-69891e68f9467c8bb29bddc5706c9f3b '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div id=\"attachment_7935\" style=\"width: 799px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-7935\" class=\"size-full wp-image-7935\" src=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/09\/U-Th-graphics.png\" alt=\"U-Th decay\" width=\"789\" height=\"362\" srcset=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/09\/U-Th-graphics.png 789w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/09\/U-Th-graphics-300x138.png 300w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/09\/U-Th-graphics-768x352.png 768w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/09\/U-Th-graphics-705x323.png 705w\" sizes=\"auto, (max-width: 789px) 100vw, 789px\" \/><p id=\"caption-attachment-7935\" class=\"wp-caption-text\"><span style=\"color: #000000;\"><em>\u94c0-\u948d\u6d4b\u5e74\u6cd5\u901a\u8fc7\u8ba1\u7b97\u6bcd\u4f53\u540c\u4f4d\u7d20\uff08\u94c0\uff09\u968f\u65f6\u95f4\u8870\u53d8\u4e3a\u5b50\u4f53\u540c\u4f4d\u7d20\uff08\u948d\uff09\u7684\u8fc7\u7a0b\uff0c\u6765\u6d4b\u5b9a\u6bcd\u4f53\u548c\u5b50\u4f53\u540c\u4f4d\u7d20\u7684\u653e\u5c04\u6027\u6d3b\u5ea6\u6bd4\u3002<\/em><\/span><\/p><\/div>\n<\/div><\/section><\/p><\/div><div  class='hr av-34e8k5-94ccf584e8a948d94f3672b1008d1b8c hr-default  avia-builder-el-4  el_after_av_one_full  el_before_av_one_half '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3n98yg-8f388e24c811297579cd9388cb6bf316\">\n.flex_column.av-3n98yg-8f388e24c811297579cd9388cb6bf316{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-3n98yg-8f388e24c811297579cd9388cb6bf316 av_one_half  avia-builder-el-5  el_after_av_hr  el_before_av_one_half  first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-k2pnm5lb-f452bc4922a6c2c190d368f2daf6025e '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><span style=\"color: #000000;\"><strong>\u6ee1\u8db3\u4ee5\u4e0b\u6761\u4ef6\uff0c\u5219\u53ef\u4ee5\u5bf9\u78b3\u9178\u76d0\u6837\u54c1\u8fdb\u884c\u94c0-\u948d\u6d4b\u5e74\uff1a<\/strong><\/span><\/p>\n<ul>\n<li>\u5f62\u6210\u4e8e\u94c0-\u948d\u6d4b\u5e74\u8303\u56f4\u5185<br \/>\n(\u53ef\u8fbe50\u4e07BP),<\/li>\n<li>\u542b\u6709\u8db3\u591f\u6d53\u5ea6\u7684\u5fae\u91cf<br \/>\n\u540c\u4f4d\u7d20 <sup>234<\/sup>U\u548c <sup>230<\/sup>Th \u7528\u4e8e\u9ad8\u6d53\u5ea6\u540c\u4f4d\u7d20\u7a00\u91ca<br \/>\n\u5206\u6790\uff0c<\/li>\n<li>\u6c89\u79ef\u65f6\u5df2\u6709\u7684<sup>230<\/sup>Th\u53ef\u5ffd\u7565\u4e0d\u8ba1\u6216\u8d77\u59cb<br \/>\n\uff08\u989d\u5916\u7684\uff09\u542b\u91cf\u5df2\u77e5<\/li>\n<li>U\u3001Th\u540c\u4f4d\u7d20\u81ea<br \/>\n\u521d\u6b21\u6c89\u79ef\u4ee5\u6765\u4e00\u76f4\u5904\u4e8e\u5c01\u95ed\u73af\u5883<\/li>\n<\/ul>\n<p>\u5728\u5f00\u653e\u7cfb\u7edf\u4e2d\uff0c\u635f\u5931\u7684U\u548c\u5438\u6536\u7684<sup>230<\/sup>Th\u53ef\u80fd\u4f1a\u5bfc\u81f4\u9519\u8bef\u7684\u7ed3\u8bba\u3002\u521d\u59cb U\/Ca \u6bd4\u503c\u548c\u94c0\u6d53\u5ea6\u76f8\u5bf9\u8f83\u4f4e\u7684\u6837\u54c1\u5f80\u5f80\u4f1a\u5728\u6c89\u79ef\u540e\u5e76\u901a\u8fc7\u6210\u5ca9\u4f5c\u7528\u5438\u6536\u94c0\uff0c\u4ece\u800c\u5bfc\u81f4\u5e74\u9f84\u5f02\u5e38\u3002<\/p>\n<p><span style=\"font-weight: 400;\">\u5ef6\u4f38\u9605\u8bfb\uff1a<\/span><\/p>\n<p><a href=\"https:\/\/isobarscience.com\/what-is-u-th-dating\/\"><span style=\"font-weight: 400;\">\u4ec0\u4e48\u662fU-Th\u6d4b\u5e74\uff1f<\/span><\/a><\/p>\n<p><a href=\"https:\/\/isobarscience.com\/u-th_dating\/\"><span style=\"font-weight: 400;\">U-Th\u6d4b\u5e74\u4e0e\u78b3-14\u6d4b\u5e74<\/span><\/a><\/p>\n<p><a href=\"https:\/\/isobarscience.com\/u-th\/sample-types\/\">U-Th\u6d4b\u5e74\u6837\u54c1\u9009\u62e9<\/a><\/p>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-22q52g-719d8d2f5792c469a187c51914d43abf\">\n.flex_column.av-22q52g-719d8d2f5792c469a187c51914d43abf{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-22q52g-719d8d2f5792c469a187c51914d43abf av_one_half  avia-builder-el-7  el_after_av_one_half  el_before_av_hr  flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k2pnp4h7-f11e9eac22014e1f9b5769a866e1e5b7\">\n.avia-image-container.av-k2pnp4h7-f11e9eac22014e1f9b5769a866e1e5b7 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-k2pnp4h7-f11e9eac22014e1f9b5769a866e1e5b7 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-k2pnp4h7-f11e9eac22014e1f9b5769a866e1e5b7 av-styling- av-img-linked avia-align-center  avia-builder-el-8  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><a href=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Open-Close-System2-1030x979.jpg\" data-srcset=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Open-Close-System2-1030x979.jpg 1030w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Open-Close-System2-300x285.jpg 300w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Open-Close-System2-768x730.jpg 768w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Open-Close-System2-1536x1460.jpg 1536w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Open-Close-System2-2048x1946.jpg 2048w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Open-Close-System2-1500x1425.jpg 1500w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Open-Close-System2-705x670.jpg 705w\" data-sizes=\"(max-width: 1030px) 100vw, 1030px\" class='avia_image '  aria-label='Open-Close System2'><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-11070 avia-img-lazy-loading-not-11070 avia_image ' src=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Open-Close-System2-1030x979.jpg\" alt='' title='Open-Close System2'  height=\"979\" width=\"1030\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Open-Close-System2-1030x979.jpg 1030w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Open-Close-System2-300x285.jpg 300w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Open-Close-System2-768x730.jpg 768w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Open-Close-System2-1536x1460.jpg 1536w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Open-Close-System2-2048x1946.jpg 2048w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Open-Close-System2-1500x1425.jpg 1500w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/03\/Open-Close-System2-705x670.jpg 705w\" sizes=\"(max-width: 1030px) 100vw, 1030px\" \/><\/a><\/div><\/div><\/div><\/div><\/p>\n<div  class='hr av-34e8k5-94ccf584e8a948d94f3672b1008d1b8c hr-default  avia-builder-el-9  el_after_av_one_half  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section  class='av_textblock_section av-kiq95c1u-94df7d8a43d5304a1b1aadd20ce13c3e '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2 style=\"text-align: center;\"><strong>\u94c0-\u948d\u6d4b\u5e74<\/strong><\/h2>\n<p>\u94c0-\u948d\u6d4b\u5e74\u53ef\u7528\u4e8e\u6d4b\u5b9a50\u4e07BP\u4ee5\u5185\u7684\u78b3\u9178\u76d0\u6837\u54c1\u7684\u5e74\u9f84\u3002\u7531\u4e8e\u73b0\u4ee3\u6837\u54c1<sup>230<\/sup>Th\u6d53\u5ea6\u8f83\u4f4e\u4ee5\u53ca\u8be5\u65b9\u6cd5\u7684\u5c40\u9650\u6027\uff0c\u5176\u65e0\u6cd5\u5f97\u5230\u53ef\u9760\u7684\u94c0-\u948d\u5e74\u9f84\u3002\u6700\u5e38\u89c1\u7684\u6837\u54c1\u7c7b\u578b\u5305\u62ec\u6709\u6d1e\u7a74\u58c1\u753b\u3001\u77f3\u7b0b\u548c\u6d41\u77f3\u3001\u73ca\u745a\u548c\u8d1d\u58f3\u3002<\/p>\n<\/div><\/section>\n<div class='flex_column_table av-6jne7p-8205e17bb7b7ee36e37a9b6fab278e50 sc-av_one_half av-equal-height-column-flextable'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-6jne7p-8205e17bb7b7ee36e37a9b6fab278e50\">\n.flex_column.av-6jne7p-8205e17bb7b7ee36e37a9b6fab278e50{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-6jne7p-8205e17bb7b7ee36e37a9b6fab278e50 av_one_half  avia-builder-el-11  el_after_av_textblock  el_before_av_one_half  first flex_column_table_cell av-equal-height-column av-align-top av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-kiq94hsw-34c6a2ba471ef18d50dc4f6581a44521 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>\u6d1e\u7a74\u58c1\u753b<\/h3>\n<p>\u94c0-\u948d\u6d4b\u5e74\u662f\u901a\u8fc7\u5bf9\u58c1\u753b\u8868\u9762\u5f62\u6210\u7684\u8584\u5c42\u65b9\u89e3\u77f3\u8fdb\u884c\u5b9a\u5e74\uff0c\u63d0\u4f9b\u6709\u5173\u6d1e\u7a74\u58c1\u753b\u7ed8\u5236\u7684\u5927\u81f4\u65f6\u95f4\u4fe1\u606f\u3002\u8fd9\u6837\u505a\uff0c\u53ef\u4ee5\u5f97\u5230\u4e00\u4e2a\u6700\u5c0f\u5e74\u9f84\uff0c\u4e5f\u88ab\u79f0\u4f5c<i><span style=\"font-weight: 400;\">terminus ante quem\uff08\u6700\u665a\u65e5\u671f\uff09<\/span><\/i><span style=\"font-weight: 400;\">\u3002\u6b64\u5916\uff0c\u82e5\u58c1\u753b\u4e0b\u65b9\u7684\u65b9\u89e3\u77f3\u5c42\u53ef\u4ee5\u53d6\u6837\uff0c\u8fd8\u53ef\u4ee5\u5f97\u5230\u4e00\u4e2a\u6700\u5927\u5e74\u9f84\uff0c\u5373<\/span><i><span style=\"font-weight: 400;\">terminus post quem\uff08\u6700\u65e9\u65e5\u671f\uff09<\/span><\/i><span style=\"font-weight: 400;\">\u3002\u6b64\u5916\uff0c\u82e5\u58c1\u753b\u4e0b\u65b9\u7684\u65b9\u89e3\u77f3\u5c42\u53ef\u4ee5\u53d6\u6837\uff0c\u8fd8\u53ef\u4ee5\u5f97\u5230\u4e00\u4e2a\u6700\u5927\u5e74\u9f84\uff0c\u5373terminus post quem(Pons-Branchu\u7b49. 2014)\u3002\u7531\u4e8e\u78b3\u9178\u76d0\u5916\u58f3\u5c5e\u4e8e\u5f00\u653e\u7cfb\u7edf\uff0c\u9664\u4e86\u4f7f\u7528\u58c1\u753b\u4e0a\u4e0b\u5c42\u9762\u7684\u94c0-\u948d\u5e74\u9f84\u5916\uff0c\u8fd8\u53ef\u4f7f\u7528<sup>14<\/sup>C\u6cd5\u8fdb\u884c\u4ea4\u53c9\u6d4b\u5e74\uff0c\u8fdb\u4e00\u6b65\u9a8c\u8bc1\u6d4b\u5e74\u7ed3\u679c (Sauvet et al. 2015)\u3002<\/span><\/p>\n<div id=\"attachment_3609\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3609\" class=\"size-full wp-image-3609\" src=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/12\/cave-art-Arash-Sharifi.jpg\" alt=\"(Photo Credit: Arash Sharifi)\" width=\"800\" height=\"523\" srcset=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/12\/cave-art-Arash-Sharifi.jpg 800w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/12\/cave-art-Arash-Sharifi-300x196.jpg 300w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/12\/cave-art-Arash-Sharifi-768x502.jpg 768w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/12\/cave-art-Arash-Sharifi-705x461.jpg 705w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><p id=\"caption-attachment-3609\" class=\"wp-caption-text\"><span style=\"color: #000000;\"><em>(\u56fe\u7247\u6765\u6e90: Arash Sharifi)<\/em><\/span><\/p><\/div>\n<hr \/>\n<\/div><\/section><\/div><div class='av-flex-placeholder'><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3vp6d1-5598025208853d6f7e496b5540626608\">\n.flex_column.av-3vp6d1-5598025208853d6f7e496b5540626608{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-3vp6d1-5598025208853d6f7e496b5540626608 av_one_half  avia-builder-el-13  el_after_av_one_half  el_before_av_one_half  flex_column_table_cell av-equal-height-column av-align-top av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-kiqangu0-cd986a1ef3af76526d60f12fd73639c8 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>\u6d1e\u7a74\u6c89\u79ef\u7269\uff1a\u77f3\u7b0b\u548c\u6d41\u77f3<\/h3>\n<p>\u5bf9\u6d1e\u7a74\u6c89\u79ef\u7269\u4e2d\u7a33\u5b9a\u540c\u4f4d\u7d20\u7684\u5206\u6790\u53ef\u4ee5\u63d0\u4f9b\u5176\u751f\u957f\u8fc7\u7a0b\u4e2d\u73af\u5883\u53d8\u5316\u7684\u4fe1\u606f\u3002\u5e74\u4ee3\u5b66\u4e2d\u7684\u53e4\u6c14\u5019\u8bb0\u5f55\u4f9d\u8d56\u4e8e\u94c0-\u948d\u6cd5\u548c <sup>14<\/sup>C\u6cd5\u7684\u7cbe\u786e\u5b9a\u5e74\uff0c\u8fd9\u63d0\u4f9b\u4e86\u751f\u957f\u548c\u5e74\u9f84\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u5411\u4e0a\u751f\u957f\u7684\u77f3\u7b0b\u901a\u5e38\u6bd4\u5411\u4e0b\u751f\u957f\u7684\u949f\u4e73\u77f3\u66f4\u53d7\u6b22\u8fce\uff0c\u56e0\u4e3a\u5b83\u7684\u751f\u957f\u5e73\u9762\u66f4\u89c4\u5219\uff0c\u5185\u90e8\u7ed3\u6784\u66f4\u660e\u786e (Sp\u00f6tl &amp; Boch, 2019)\u3002<\/p>\n<p>\u867d\u7136\u94c0-\u948d\u6cd5\u548c\u78b3-14\u6cd5\u90fd\u53ef\u4ee5\u7528\u4e8e\u5bf9\u6d1e\u7a74\u6c89\u79ef\u7269\u8fdb\u884c\u6d4b\u5e74\uff0c\u4f46\u78b3\u5e93\u6548\u5e94\u548c\u6d1e\u7a74\u6c89\u79ef\u7269\u4e2d\u7684\u5316\u5b66\u6742\u8d28\u4f1a\u5bfc\u81f4\u78b3-14\u6d4b\u5e74\u7ed3\u679c\u51fa\u73b0\u663e\u8457\u7684\u5e74\u9f84\u4e0d\u786e\u5b9a\u6027\uff08\u6570\u5343\u5e74\uff09\uff0c\u800c\u94c0-\u948d\u6d4b\u5e74\u7ed3\u679c\u5219\u76f8\u5bf9\u66f4\u51c6\u786e\uff08Goslar et al. 2000\uff09<\/p>\n<div id=\"attachment_3612\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3612\" class=\"wp-image-3612 size-full\" src=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/12\/Cave-Deposits-e1631199150351.jpg\" alt=\"(Photo Credit: Arash Sharifi)\" width=\"800\" height=\"452\" srcset=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/12\/Cave-Deposits-e1631199150351.jpg 800w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/12\/Cave-Deposits-e1631199150351-300x170.jpg 300w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/12\/Cave-Deposits-e1631199150351-768x434.jpg 768w, https:\/\/isobarscience.com\/wp-content\/uploads\/2020\/12\/Cave-Deposits-e1631199150351-705x398.jpg 705w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><p id=\"caption-attachment-3612\" class=\"wp-caption-text\"><span style=\"color: #000000;\"><em>(\u56fe\u7247\u6765\u6e90: Arash Sharifi)<\/em><\/span><\/p><\/div>\n<hr \/>\n<\/div><\/section><\/div><\/div><!--close column table wrapper. Autoclose: 1 --><div class='flex_column_table av-6jne7p-8205e17bb7b7ee36e37a9b6fab278e50 sc-av_one_half av-equal-height-column-flextable'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-6jne7p-8205e17bb7b7ee36e37a9b6fab278e50\">\n.flex_column.av-6jne7p-8205e17bb7b7ee36e37a9b6fab278e50{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-6jne7p-8205e17bb7b7ee36e37a9b6fab278e50 av_one_half  avia-builder-el-15  el_after_av_one_half  el_before_av_one_half  first flex_column_table_cell av-equal-height-column av-align-top av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-kiq94hsw-34c6a2ba471ef18d50dc4f6581a44521 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>\u73ca\u745a<\/h3>\n<p>\u53ef\u4ee5\u4f7f\u7528\u94c0-\u948d\uff08U-Th\uff09\u6d4b\u5e74\u6cd5\u6d4b\u5b9a\u73ca\u745a\u7684\u5e74\u9f84\uff0c\u6700\u957f\u53ef\u8fbe50\u4e07\u5e74 BP\u3002\u7814\u7a76\u8868\u660e\uff0c\u73ca\u745a\u4f1a\u5438\u6536\u548c\u91ca\u653e\u94c0\u548c\u948d\uff0c\u4ece\u800c\u5bfc\u81f4\u5e74\u9f84\u6d4b\u5b9a\u51fa\u73b0\u504f\u5dee\u3002\u5f53\u94c0\u542b\u91cf\u589e\u52a0\u800c\u948d\u542b\u91cf\u51cf\u5c11\u65f6\uff0c\u6837\u54c1\u7684\u5e74\u9f84\u4f1a\u504f\u5c0f\uff1b\u800c\u5f53\u94c0\u542b\u91cf\u51cf\u5c11\u800c\u948d\u542b\u91cf\u589e\u52a0\u65f6\uff0c\u6837\u54c1\u7684\u5e74\u9f84\u5219\u4f1a\u504f\u5927 (Andersen et al. 2009)\u3002\u7136\u800c\uff0c\u53ef\u4ee5\u4f7f\u7528\u7b5b\u9009\u65b9\u6cd5\u6765\u8fdb\u884c\u7cfb\u7edf\u6821\u6b63 (e.g. Thompson et al., 2003)\u3002\u91cd\u5efa\u968f\u65f6\u95f4\u53d8\u5316\u7684\u73af\u5883\u53d8\u5316\u9700\u8981\u53ef\u9760\u7684\u5e74\u4ee3\u5e8f\u5217\u3002\u73ca\u745a\u7684\u94c0-\u948d\u6d4b\u5e74\u6cd5\u53ef\u4ee5\u63d0\u4f9b\u8d85\u51fa14C\u6d4b\u5e74\u8303\u56f4\u7684\u53ef\u9760\u5e74\u9f84\u3002\u901a\u8fc7\u5bf9\u6837\u54c1\u7684\u8fdb\u4e00\u6b65\u5206\u6790\uff0c\u53ef\u4e3a\u53e4\u73af\u5883\u91cd\u5efa\u63d0\u4f9b\u591a\u65b9\u9762\u7684\u6570\u636e\uff0c\u5305\u62ec\uff1a\u5e72\u6e7f\u5468\u671f (Yehudai et al. 2017)\u3001\u73ca\u745a\u7901\u7cfb\u7edf\u7684\u6b7b\u4ea1\/\u6062\u590d (Clark et al. 2017)\u3001\u6d77\u6c34\u6e29\u5ea6 (DeCarlo et al. 2016) \u548cpH\u503c (Stewart et al. 2016; Pauly et al. 2015)\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7963 size-large\" src=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/09\/pexels-egor-kamelev-920161-1-scaled-e1631205802203-1030x733.jpg\" alt=\"coral\" width=\"1030\" height=\"733\" srcset=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/09\/pexels-egor-kamelev-920161-1-scaled-e1631205802203-1030x733.jpg 1030w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/09\/pexels-egor-kamelev-920161-1-scaled-e1631205802203-300x213.jpg 300w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/09\/pexels-egor-kamelev-920161-1-scaled-e1631205802203-768x546.jpg 768w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/09\/pexels-egor-kamelev-920161-1-scaled-e1631205802203-1536x1092.jpg 1536w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/09\/pexels-egor-kamelev-920161-1-scaled-e1631205802203-2048x1456.jpg 2048w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/09\/pexels-egor-kamelev-920161-1-scaled-e1631205802203-1500x1067.jpg 1500w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/09\/pexels-egor-kamelev-920161-1-scaled-e1631205802203-260x185.jpg 260w, https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/09\/pexels-egor-kamelev-920161-1-scaled-e1631205802203-705x501.jpg 705w\" sizes=\"auto, (max-width: 1030px) 100vw, 1030px\" \/><\/p>\n<\/div><\/section><\/div><div class='av-flex-placeholder'><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3vp6d1-5598025208853d6f7e496b5540626608\">\n.flex_column.av-3vp6d1-5598025208853d6f7e496b5540626608{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-3vp6d1-5598025208853d6f7e496b5540626608 av_one_half  avia-builder-el-17  el_after_av_one_half  el_before_av_hr  flex_column_table_cell av-equal-height-column av-align-top av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-kiq94hsw-34c6a2ba471ef18d50dc4f6581a44521 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>\u8d1d\u58f3<\/h3>\n<p>\u94c0-\u948d\u6d4b\u5e74\u5e94\u7528\u4e8e\u8d1d\u58f3\u6837\u54c1\u5df2\u6709\u51e0\u5341\u5e74\u4e86\u3002\u8be5\u65b9\u6cd5\u4f9d\u8d56\u4e8e\u6837\u54c1\u7684\u5f62\u6210\u8fc7\u7a0b\u4e2d\u6709\u94c0\u7684\u8f93\u5165\uff0c\u540c\u65f6\u5916\u90e8\u6765\u6e90\uff08\u5c01\u95ed\u7cfb\u7edf\uff09\u7684\u948d\u8f93\u5165\u6709\u9650\uff0c\u4f7f\u5f97\u7ed3\u6784\u4e2d\u6240\u6709\u7684\u948d\u90fd\u662f\u94c0-\u948d\u8870\u53d8\u7684\u4ea7\u7269\u3002\u4f46\u4e0d\u662f\u6240\u6709\u7684\u6c89\u79ef\u73af\u5883\u90fd\u80fd\u6ee1\u8db3\u8fd9\u4e00\u6761\u4ef6\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u91c7\u7528\u201c\u7b49\u65f6\u7ebf\u6d4b\u5e74\u6cd5\uff08isochron dating\uff09\u201d\uff0c\u5373\u53ef\u4ee5\u901a\u8fc7\u5bf9\u540c\u4e00\u5730\u5c42\u4e2d\u5177\u6709\u4e0d\u540c\u788e\u5c51\u948d\u8f93\u5165\u91cf\u7684\u591a\u4e2a\u8d1d\u58f3\u8fdb\u884c\u6d4b\u5e74\uff08Bischoff &amp; Fitzpatrick, 1991\uff09\uff0c\u4ee5\u83b7\u5f97\u7528\u4e8e\u6d4b\u5e74\u7684\u521d\u59cb\u94c0-\u948d\u542b\u91cf (e.g. Placzek et al. 2006)\u3002\u867d\u7136\u8d1d\u58f3\u7cfb\u7edf\u7684\u5f00\u653e\u6027\u4f7f\u5f97\u6d4b\u5e74\u5177\u6709\u6311\u6218\u6027\uff0c\u4f46\u94c0-\u948d\u5206\u6790\u6709\u671b\u5c06\u8d1d\u58f3\u7684\u6d4b\u5e74\u8303\u56f4\u6269\u5c55\u5230 <sup>14<\/sup>C\u6cd5\u6d4b\u5e74\u6781\u9650\uff08\u7ea64\u4e07BP\uff09\u4e4b\u5916\u3002<\/p>\n<div id=\"attachment_3612\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3612\" class=\"size-full wp-image-3612\" src=\"https:\/\/isobarscience.com\/wp-content\/uploads\/2021\/03\/shell.jpg\" alt=\"(Photo Credit: Arash Sharifi)\" width=\"800\" height=\"531\" \/><p id=\"caption-attachment-3612\" class=\"wp-caption-text\"><span style=\"color: #000000;\"><em>(\u56fe\u7247\u6765\u6e90: Arash Sharifi)<\/em><\/span><\/p><\/div>\n<\/div><\/section><\/div><\/div><!--close column table wrapper. Autoclose: 1 --><div  class='hr av-2aux8l-520ab2b9ba2c54dba82feedfe5a691bf hr-default  avia-builder-el-19  el_after_av_one_half  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p>\n<section  class='av_textblock_section av-k9022p64-d8d7199e9fdce11cf20029ac4660b090 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h4>\u53c2\u8003\u6587\u732e<\/h4>\n<p><span style=\"font-weight: 400;\">Andersen, M.B., Gallup, C.D., Scholz, D., Stirling, C.H. and Thompson, W.G., (2009). U-series dating of fossil coral reefs: consensus and controversy. Pages News, 17, pp.54-56.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bischoff, J.L. and Fitzpatrick, J.A., (1991). U-series dating of impure carbonates: an isochron technique using total-sample dissolution. Geochimica et Cosmochimica Acta, 55(2), pp.543-554. DOI: 10.1016\/0016-7037(91)90011-S<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Clark, T.R., Roff, G., Zhao, J.X., Feng, Y.X., Done, T.J., McCook, L.J. and Pandolfi, J.M., (2017). U-Th dating reveals regional-scale decline of branching Acropora corals on the Great Barrier Reef over the past century. Proceedings of the National Academy of Sciences, 114(39), pp.10350-10355. DOI: 10.1073\/pnas.1705351114<\/span><\/p>\n<p><span style=\"font-weight: 400;\">DeCarlo, T.M., Gaetani, G.A., Cohen, A.L., Foster, G.L., Alpert, A.E. and Stewart, J.A., (2016). Coral Sr\u2010U thermometry. Paleoceanography, 31(6), pp.626-638. DOI: 0.1002\/2015PA002908<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Goslar, T., Hercman, H. and Pazdur, A., (2000). Comparison of U-series and radiocarbon dates of speleothems. Radiocarbon, 42(3), pp.403-414. DOI: 10.1017\/S0033822200030332<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Pauly, M., Kamenos, N.A., Donohue, P. and LeDrew, E., (2015). Coralline algal Mg-O bond strength as a marine p CO2 proxy. Geology, 43(3), pp.267-270. DOI: 10.1130\/G36386.1<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Placzek, C., Patchett, P.J., Quade, J. and Wagner, J.D., (2006). Strategies for successful U\u2010Th dating of paleolake carbonates: An example from the Bolivian Altiplano. Geochemistry, Geophysics, Geosystems, 7(5). DOI: 10.1029\/2005GC001157<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Pons-Branchu, E., Bourrillon, R., Conkey, M.W., Fontugne, M., Fritz, C., G\u00e1rate, D., Quiles, A., Rivero, O., Sauvet, G., Tosello, G. and Valladas, H., (2014). Uranium-series dating of carbonate formations overlying Paleolithic art: interest and limitations. Bulletin de la Soci\u00e9t\u00e9 pr\u00e9historique fran\u00e7aise, pp.211-224. DOI: 10.3406\/bspf.2014.14395<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Sauvet, G., Bourrillon, R., Conkey, M., Fritz, C., G\u00e1rate-Maidagan, D., Vil\u00e1, O.R., Tosello, G. and White, R., (2017). Uranium\u2013thorium dating method and Palaeolithic rock art. Quaternary International, 432, pp.86-92. DOI: 10.1016\/j.quaint.2015.03.053<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Sp\u00f6tl, C. and Boch, R., (2019). Uranium series dating of speleothems. In Encyclopedia of caves (pp. 1096-1102). Academic Press.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Stewart, J.A., Anagnostou, E. and Foster, G.L., (2016). An improved boron isotope pH proxy calibration for the deep-sea coral Desmophyllum dianthus through sub-sampling of fibrous aragonite. Chemical Geology, 447, pp.148-160. DOI: 10.1016\/j.chemgeo.2016.10.029<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Thompson, W.G., Spiegelman, M.W., Goldstein, S.L. and Speed, R.C., (2003). An open-system model for U-series age determinations of fossil corals. Earth and Planetary Science Letters, 210(1-2), pp.365-381. DOI: 10.1016\/S0012-821X(03)00121-3<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Yehudai, M., Lazar, B., Bar, N., Kiro, Y., Agnon, A., Shaked, Y. and Stein, M., (2017). U\u2013Th dating of calcite corals from the Gulf of Aqaba. Geochimica et Cosmochimica Acta, 198, pp.285-298. DOI: 0.1016\/j.gca.2016.11.005<\/span><\/p>\n<p>\u73ca\u745a\u56fe\u7247: https:\/\/www.pexels.com\/photo\/corals-920161\/<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1ue2n9-ec8b6e8131b195455ef1a8f2374da3c3\">\n.flex_column.av-1ue2n9-ec8b6e8131b195455ef1a8f2374da3c3{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-1ue2n9-ec8b6e8131b195455ef1a8f2374da3c3 av_one_half  avia-builder-el-21  el_after_av_textblock  avia-builder-el-last  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-k9022p64-d8d7199e9fdce11cf20029ac4660b090 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><div style=\"background: #f6f6f6; padding: 20px 18px;\">\n<h4 style=\"color: black;\"><strong>\u76f8\u5173\u9605\u8bfb<\/strong><\/h4>\n<p style=\"line-height: 1.2;\"><a style=\"font-size: 15px;\" href=\"https:\/\/isobarscience.com\/u-th\/method\/\">U-Th Dating Methodology<br \/>\n<\/a><\/p>\n<p style=\"line-height: 1.2;\"><a style=\"font-size: 15px;\" href=\"https:\/\/isobarscience.com\/u-th\/sample-types\/\">U-Th: Sample Selection Recommendations<\/a><\/p>\n<p><a href=\"https:\/\/isobarscience.com\/u-th-dating-assumptions\/\">Assumptions for U-Th Dating: Open vs. Closed Systems<\/a><\/div>\n<\/div><\/section><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"parent":23077,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-23552","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/isobarscience.com\/zh-hans\/wp-json\/wp\/v2\/pages\/23552","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/isobarscience.com\/zh-hans\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/isobarscience.com\/zh-hans\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/isobarscience.com\/zh-hans\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/isobarscience.com\/zh-hans\/wp-json\/wp\/v2\/comments?post=23552"}],"version-history":[{"count":2,"href":"https:\/\/isobarscience.com\/zh-hans\/wp-json\/wp\/v2\/pages\/23552\/revisions"}],"predecessor-version":[{"id":36185,"href":"https:\/\/isobarscience.com\/zh-hans\/wp-json\/wp\/v2\/pages\/23552\/revisions\/36185"}],"up":[{"embeddable":true,"href":"https:\/\/isobarscience.com\/zh-hans\/wp-json\/wp\/v2\/pages\/23077"}],"wp:attachment":[{"href":"https:\/\/isobarscience.com\/zh-hans\/wp-json\/wp\/v2\/media?parent=23552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}