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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">gtcrust</journal-id><journal-title-group><journal-title xml:lang="ru">Геодинамика и тектонофизика</journal-title><trans-title-group xml:lang="en"><trans-title>Geodynamics &amp; Tectonophysics</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2078-502X</issn><publisher><publisher-name>Institute of the Earth's crust of the Russian Academy of Sciences, Siberian Branch</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.5800/GT-2022-13-4-0665</article-id><article-id custom-type="elpub" pub-id-type="custom">gtcrust-1560</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>ДИСКУССИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>DISCUSSION</subject></subj-group></article-categories><title-group><article-title>СОСТАВ МИНЕРАЛОВ И P-T-ПАРАМЕТРЫ КРИСТАЛЛИЗАЦИИ МАНТИЙНЫХ ПОРОД ПОД КИМБЕРЛИТОВЫМИ ПОЛЯМИ ПРИАНАБАРЬЯ</article-title><trans-title-group xml:lang="en"><trans-title>MINERAL COMPOSITION AND PT PARAMETERS OF CRYSTALLIZATION OF MANTLE ROCKS UNDER KIMBERLITE FIELDS OF THE ANABAR 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>Костровицкий</surname><given-names>С. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kostrovitsky</surname><given-names>S. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>664033, Иркутск, ул. Фаворского, 1а</p><p>664033, Иркутск, ул. Лермонтова, 128</p></bio><bio xml:lang="en"><p>1а Favorsky St, Irkutsk 664033</p><p>128 Lermontov St, Irkutsk 664033</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Калашникова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kalashnikova</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>664033, Иркутск, ул. Фаворского, 1а</p></bio><bio xml:lang="en"><p>1а Favorsky St, Irkutsk 664033</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ащепков</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ashchepkov</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>664033, Иркутск, ул. Фаворского, 1а</p><p>630090, Новосибирск, пр-т Академика Коптюга, 3</p></bio><bio xml:lang="en"><p>1а Favorsky St, Irkutsk 664033</p><p>3 Academician Koptyug Ave, Novosibirsk 630090</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт геохимии им. А.П. Виноградова СО РАН; Институт земной коры СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Vinogradov Institute of Geochemistry, Siberian Branch of the Russian Academy of Sciences; Institute of the Earth’s Crust, Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт геохимии им. А.П. Виноградова СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Vinogradov Institute of Geochemistry, Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт геохимии им. А.П. Виноградова СО РАН; Институт геологии и минералогии им. В.С. Соболева СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Vinogradov Institute of Geochemistry, Siberian Branch of the Russian Academy of Sciences; Sobolev Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>12</day><month>10</month><year>2022</year></pub-date><volume>13</volume><issue>4</issue><fpage>665</fpage><lpage>665</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Костровицкий С.И., Калашникова Т.В., Ащепков И.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Костровицкий С.И., Калашникова Т.В., Ащепков И.В.</copyright-holder><copyright-holder xml:lang="en">Kostrovitsky S.I., Kalashnikova T.V., Ashchepkov I.V.</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://www.gt-crust.ru/jour/article/view/1560">https://www.gt-crust.ru/jour/article/view/1560</self-uri><abstract><p>Изучен состав барофильных минералов из мантийных ксенолитов и клинопироксенов из концентратов Куранахского, Лучаканского, Дюкенского и Ары-Мастахского полей Прианабарья. Установлены существенные различия разрезов литосферной мантии под этими полями. По сравнению с южными алмазоносными полями породы литосферной мантии под северными полями отличаются более высокими значениями магнезиальности минералов и более высокими значениями рассчитанной мантийной геотермы (35–48 мВт/м2). Проведена оценка Р-Т-параметров их кристаллизации по составу клинопироксенов из ксенолитов и тяжелой фракции кимберлитов. Согласно изученным составам ксенолитов, наибольшие перспективы на алмазоносность представляет юго-западный участок Ары-Мастахского поля, в котором обнаружены гранатсодержащие лерцолиты и гарцбургиты с высоким содержанием Cr2O3 (до 8.5 мас. %).</p></abstract><trans-abstract xml:lang="en"><p>The composition of barophilic minerals from mantle xenoliths and Cpx from concentrates of the Kuranakh, Luchakan, Dyuken, and Ary-Mastakh fields of the Anabar region has been studied. Under these fields, the lithospheric mantle compositions vary significantly. The PT parameters of crystallization were calculated using the composition of clinopyroxenes from xenoliths and heavy fraction of kimberlites. The lithospheric mantle rocks under the northern fields have higher values of Mg# of minerals and calculated mantle geotherm (35–48 mW/m2) compared to the parameters for the southern diamond fields. The pipes from the southwestern part of the Ary-Mastakh field are promising for the diamond potential, presenting Grt-bearing lherzolites and harzburgites with a high content of Cr2O3 (to 8.5 wt. %).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>литосферная мантия</kwd><kwd>кимберлитовые поля Прианабарья</kwd><kwd>гранат</kwd><kwd>клинопироксен</kwd><kwd>P-T-параметры кристаллизации минералов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lithospheric mantle</kwd><kwd>Anabar kimberlite fields</kwd><kwd>garnet</kwd><kwd>clinopyroxene</kwd><kwd>PT parameters of mineral crystallization</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследования были выполнены в рамках государственного задания Минобрнауки РФ на проведение НИР по теме № 0284-2021-0006 «Ультрабазит-базитовые комплексы Сибирского кратона и его складчатого обрамления: эволюция состава, геодинамические аспекты формирования и рудоносность». Авторы выражают глубокую благодарность Л.Ф. Суворовой за микрозондовые анализы</funding-statement><funding-statement xml:lang="en">Research was implemented in terms of the state assignment of the Ministry of Science and Higher Education of the Russian Federation, project № 0284-2021-0006 "Ultrabasite-basite complexes of the Siberian craton and its folded framing: evolution of composition, geodynamic aspects of formation and ore-bearing capacity".</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Ashchepkov I.V., Pokhilenko N.P., Vladykin N.V., Logvinova A.M., Afanasiev V.P., Pokhilenko L.Yu., Kuligin S.S., Malygina E.V. et al., 2010. Structure and Evolution of the Lithospheric Mantle beneath Siberian Craton, Thermobarometric Study. 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