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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">reggeomet</journal-id><journal-title-group><journal-title xml:lang="ru">Региональная геология и металлогения</journal-title><trans-title-group xml:lang="en"><trans-title>Regional Geology and Metallogeny</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0869-7892</issn><publisher><publisher-name>(ФГБУ "Институт Карпинского")</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52349/0869-7892_2022_91_79-86</article-id><article-id custom-type="elpub" pub-id-type="custom">reggeomet-98</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>РЕГИОНАЛЬНАЯ ГЕОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>REGIONAL GEOLOGY</subject></subj-group></article-categories><title-group><article-title>Средний размер алмазов в мел-кайнозойских прибрежных  алмазоносных отложениях Атлантического побережья Южной Африки  и история формирования алмазных россыпей этого региона</article-title><trans-title-group xml:lang="en"><trans-title>Mean size of diamonds in the Cretaceous-Cenozoic coastal  diamondiferous deposits of the Atlantic coast, South Africa,  and the formation history of diamond placers in this region</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Малых</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Malykh</surname><given-names>O. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Малых Олег Николаевич – вед. инженер</p><p>Средний пр., 74, Санкт-Петербург,  199106</p></bio><bio xml:lang="en"><p>Malykh Oleg Nikolaevich – Leading Engineer</p><p>74, Sredny Prospect, St. Petersburg, 199106. </p></bio><email xlink:type="simple">Oleg_Malykh@vsegei.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский геологический институт им. А. П. Карпинского (ВСЕГЕИ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>A. P. Karpinsky Russian Geological Research Institute (VSEGEI)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>25</day><month>02</month><year>2025</year></pub-date><volume>0</volume><issue>91</issue><fpage>79</fpage><lpage>86</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Малых О.Н., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Малых О.Н.</copyright-holder><copyright-holder xml:lang="en">Malykh O.N.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://reggeomet.elpub.ru/jour/article/view/98">https://reggeomet.elpub.ru/jour/article/view/98</self-uri><abstract><p>В статье на основе анализа распределения среднего размера алмазов в мел-кайнозойских, прибрежных промышленных алмазоносных отложениях атлантического побережья Южной Африки (ЮА) сделана попытка выделить характерные особенности истории формирования алмазоносных россыпей данного региона. </p></abstract><trans-abstract xml:lang="en"><p>In the paper, an attempt is made to highlight characteristic features in the formation history of diamondiferous placers in this area based on the analysis of the distribution of the mean size of diamonds in Cretaceous–Cenozoic coastal economic diamondiferous deposits of the Atlantic coast, South Africa (SA).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>алмазы</kwd><kwd>россыпи</kwd><kwd>Южная Африка</kwd><kwd>формация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>diamonds</kwd><kwd>placers</kwd><kwd>South Africa</kwd><kwd>formation</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Подчасов В. 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