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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">litosphere</journal-id><journal-title-group><journal-title xml:lang="ru">Литосфера</journal-title><trans-title-group xml:lang="en"><trans-title>LITHOSPHERE (Russia)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1681-9004</issn><issn pub-type="epub">2500-302X</issn><publisher><publisher-name>A.N. Zavaritsky Institute of Geology and Geochemistry</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24930/1681-9004-2020-20-2-280-298</article-id><article-id custom-type="elpub" pub-id-type="custom">litosphere-1261</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>Статьи</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Articles</subject></subj-group></article-categories><title-group><article-title>Изотопно-геохимические особенности карбонатов и термальных вод месторождения Кындыг (Республика Абхазия)</article-title><trans-title-group xml:lang="en"><trans-title>Isotopic-geochemical features of thermal water of the Kyndyg deposit (Republic of Abkhazia)</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>Потапов</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Potapov</surname><given-names>S. S.</given-names></name></name-alternatives><bio xml:lang="en"><p>Sergey S. Potapov</p></bio><email xlink:type="simple">s_almazov@74.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Киселева</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kiseleva</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="en"><p>Daria V. Kiseleva</p></bio><email xlink:type="simple">kiseleva@igg.uran.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Червяцова</surname><given-names>О. Я.</given-names></name><name name-style="western" xml:lang="en"><surname>Chervyatsova</surname><given-names>O. Ya.</given-names></name></name-alternatives><bio xml:lang="en"><p>Ol’ga Ya. Chervyatsova</p></bio><email xlink:type="simple">kittary@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Паршина</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Parshina</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="en"><p>Natal’ya V. Parshina</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>Червяковская</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Chervyakovskaya</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="en"><p>Mariya V. Chervyakovskaya</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>Карпова</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Karpova</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="en"><p>Sophia V. Karpova</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чередниченко</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Cherednichenko</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="en"><p>Nadezhda V. Cherednichenko</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>Дбар</surname><given-names>Р. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Dbar</surname><given-names>R. S.</given-names></name></name-alternatives><bio xml:lang="en"><p>Roman S. Dbar</p></bio><xref ref-type="aff" rid="aff-5"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Институт минералогии ЮУ ФНЦ МиГ УрО РАН<country>Россия</country></aff><aff xml:lang="en">Institute of Mineralogy SU FRC MG UB RAS<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Институт геологии и геохимии УрО РАН<country>Россия</country></aff><aff xml:lang="en">A.N. Zavaritsky Institute of Geology and Geochemistry UB RAS<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Государственный заповедник “Шульган-Таш”<country>Россия</country></aff><aff xml:lang="en">State Reserve “Shulgan-Tash”<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru">Институт геологии и геохимии УрО РАН; &#13;
Уральский федеральный университет им. Б.Н. Ельцина<country>Россия</country></aff><aff xml:lang="en">A.N. Zavaritsky Institute of Geology and Geochemistry UB RAS; &#13;
B.N. Yeltsin Ural Federal University<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru">Институт экологии Академии наук Абхазии<country>Абхазия</country></aff><aff xml:lang="en">Institute of Ecology Academy of Sciences of Abkhazia<country>Abkhazia</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>25</day><month>04</month><year>2020</year></pub-date><volume>20</volume><issue>2</issue><fpage>280</fpage><lpage>298</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Потапов С.С., Киселева Д.В., Червяцова О.Я., Паршина Н.В., Червяковская М.В., Карпова С.В., Чередниченко Н.В., Дбар Р.С., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Потапов С.С., Киселева Д.В., Червяцова О.Я., Паршина Н.В., Червяковская М.В., Карпова С.В., Чередниченко Н.В., Дбар Р.С.</copyright-holder><copyright-holder xml:lang="en">Potapov S.S., Kiseleva D.V., Chervyatsova O.Y., Parshina N.V., Chervyakovskaya M.V., Karpova S.V., Cherednichenko N.V., Dbar R.S.</copyright-holder><license 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.lithosphere.ru/jour/article/view/1261">https://www.lithosphere.ru/jour/article/view/1261</self-uri><abstract><p>Объект исследований. Целью работы являлось изучение механизма и источников формирования термальных вод, а также особенностей карбонатного минералообразования на месторождении Кындыг. Материалы и методы. Исследованы 8 проб воды и 15 образцов карбонатов, отложившихся из них и отобранных в разное время на трех объектах, характеризующихся различной температурой и степенью удаленности от источника. Показатели рН, Eh и электропроводность изучались потенциометрическим методом. Для определения HCO3 – , Cl– , SO4 2– применялись титриметрический, меркурометрический и турбидиметрический методы; Са2+, Mg2+, K+ , Na+ определялись методом атомно-абсорбционной спектрометрии (Perkin Elmer 3110). Микроэлементный состав определен методом ИСПМС (NexION 300S); изотопный состав стронция – МК-ИСП-МС (Neptune Plus) методом брекетинга после хроматографического выделения. Результаты. В исследованных водах преобладает хлоридно-кальциевый гидрохимический тип, реже хлоридно-натриево-кальциевый. Ряд микроэлементов в воде превышает кларковые концентрации для подземных вод зоны гипергенеза горных ландшафтов. Изотопные отношения 87Sr/86Sr (0.7065–0.7072) в термальных водах свидетельствуют о том, что их состав определяется скорее изотопными характеристиками пород, через которые дренирует вода, чем влиянием морской воды. Среди новообразованных карбонатов преобладает арагонит. В противоположность термальной воде, концентрации большинства металлов в карбонатах ниже кларковых; повышены только Sr и Se. Для отлагающихся карбонатов характерны более низкие значения 87Sr/86Sr (0.7028–0.7074), чем в термальной воде источника. Выводы. На основании гидрогеологических, гидрохимических и геохимических данных можно предположить, что воды данного водоносного комплекса формируются преимущественно за счет пресных трещинно-карстовых вод нижнемеловых известняков, погружающихся по моноклинали в зону замедленной циркуляции и смешивающихся с хлоридно-натриевыми седиментогенными водами. Геохимические данные и наличие аномалии по скандию позволяет предположить участие в водообмене также подстилающих юрских вулканогенных пород.</p></abstract><trans-abstract xml:lang="en"><p>Subject. The aim of the work is to study the mechanism and sources of water formation, as well as the peculiarities of carbonate mineralization in the aquifer of the Kyndyg thermal water deposit. Materials and methods. The samples of water (8) and deposited carbonates (15), collected at different seasons at three sites, characterized by different temperatures and distances from the source, were investigated. pH, Eh, and electrical conductivity were determined by an electrochemical method. For the determination of HCO3 – , Cl– , SO4 2–, titrimetric, mercurymetric and turbidimetric methods were used. Trace element composition was determined by ICP-MS (NexION 300S); strontium isotopic composition – by MC-ICP-MS (Neptune Plus) using the bracketing technique after Sr chromatographic separation. Results. The chloride-calcium hydrochemical type prevails in the studied waters. A number of trace elements in water exceeds the clarke concentrations for groundwater in the supergene zone of mountain landscapes. 87Sr/86Sr isotope ratios (0.7065–0.7072) in thermal waters suggest that their composition is determined rather by the isotopic characteristics of the rocks through which water drains than by the influence of sea water. Among the newly formed carbonates, aragonite prevails. In contrast to thermal water, the concentrations of most metals in carbonates are below the clarke values; only Sr and Se are increased, which content is significantly increased in water as well. Deposited carbonates are characterized by 87Sr/86Sr values (0.7028–0.7074), which are lower than in the source thermal waters. Conclusions. On the basis of hydrogeological, hydrochemical and geochemical data, it can be assumed that the waters of this aquifer complex are formed mainly due to fresh fractured karst waters of lower Cretaceous limestones with submerged monocline dipping into the zone of slow circulation and mixing with sedimentogenic sodium chloride waters. The geochemical data and the presence of scandium anomaly suggest that the underlying Jurassic volcanogenic rocks also participate in water exchange.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>термальные воды</kwd><kwd>Кындыг</kwd><kwd>микроэлементы</kwd><kwd>кальцит</kwd><kwd>арагонит</kwd><kwd>изотопы стронция</kwd></kwd-group><kwd-group xml:lang="en"><kwd>thermal waters</kwd><kwd>Kyndyg</kwd><kwd>microelements</kwd><kwd>calcite</kwd><kwd>aragonite</kwd><kwd>strontium isotopes</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Авторы благодарны Е.Д. Зенович за оперативную съемку рентгенограмм, И.И. Мусабирову за электронномикроскопические исследования, сотруднику комплекса Новоафонской пещеры В.В. Мархолия за организацию поездок на месторождение Кындыг. Исследование выполнено при поддержке гранта РФФИ 19-55-40005 Абх_а “Генетические типы карстогенеза прибрежных карбонатных массивов Абхазии”. Изучение микроэлементного и изотопного состава стронция термальных вод и отлагающихся из них солей выполнено в ЦКП “Геоаналитик” в рамках темы № АААА-А18-118053090045-8 государственного задания ИГГ УрО РАН.</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>The authors wish to thank E.D. Zenovich (Institute of Mineralogy, UB RAS, Miass) for the timely performing of X-ray diffraction analysis, I.I. Musabirov (RAS Institute of Metals Superplasticity Problems, Ufa) for scanning electron microscopy, a member of the staff of Novoafonskaya Cave complex (Novy Afon, Republic of Abkhazia) V.V. Markholiya for organizing Kyndyg field trips. This work was supported by the Russian Foundation for Basic Research in the framework of the scientific project 19-55- 40005 Abh_a “Genetic types of karstogenesis of the Abkhazian coastal carbonate massifs”. The analysis of microelement and Sr isotopic composition of thermal waters and deposited salts was carried out in the UB RAS Geoanalytic Center for Collective Use and supported by АААА-А18-118053090045-8 topic of IGG UB RAS State Assignment.</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">Вотяков С.Л., Потапов С.С., Борисов Д.Р., Краснобаев А.А. (1995) Спектроскопические свойства техногенных карбонатов из нефтепромыслового оборудования. Уральский минералогический сборник № 5. Миасс: ИМин УрО РАН, 66-81.</mixed-citation><mixed-citation xml:lang="en">Allègre C.J., Louvat P., Gaillardet J., Meynadier L., Rad S., Capmas F. 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