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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Earth Research from Space</journal-id><journal-title-group><journal-title xml:lang="en">Earth Research from Space</journal-title><trans-title-group xml:lang="ru"><trans-title>Исследование Земли из космоса</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0205-9614</issn><issn publication-format="electronic">3034-5405</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">17595</article-id><article-id pub-id-type="doi">10.31857/S0205-96142019559-71</article-id><article-categories><subj-group subj-group-type="toc-heading"><subject>ИСПОЛЬЗОВАНИЕ КОСМИЧЕСКОЙ ИНФОРМАЦИИ О ЗЕМЛЕ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Detailed geological mapping of the Olon-Ovoot gold-ore cluster (South Mongolia) based on the interpretation of satellite imagery of medium and high spatial resolution.</article-title><trans-title-group xml:lang="ru"><trans-title>Детальное геологическое картографирование Олон-Овоотского золоторудного узла (Южная Монголия) на основе дешифрирования космоснимков среднего и высокого пространственного разрешения</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zadorozhnyy</surname><given-names>M. V.</given-names></name><name xml:lang="ru"><surname>Задорожный</surname><given-names>М. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>hope@igm.nsc.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zolnikov</surname><given-names>I. D.</given-names></name><name xml:lang="ru"><surname>Зольников</surname><given-names>И. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>hope@igm.nsc.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Glushkova</surname><given-names>N. V.</given-names></name><name xml:lang="ru"><surname>Глушкова</surname><given-names>Н. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>hope@igm.nsc.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Geology and Mineralogy V. S. Sobolev SB RAS</institution></aff><aff><institution xml:lang="ru">Институт геологии и минералогии СО РАН</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Novosibirsk State University</institution></aff><aff><institution xml:lang="ru">Новосибирский государственный университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2019-11-05" publication-format="electronic"><day>05</day><month>11</month><year>2019</year></pub-date><issue>5</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>59</fpage><lpage>71</lpage><history><date date-type="received" iso-8601-date="2019-11-04"><day>04</day><month>11</month><year>2019</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2019, Russian academy of sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2019, Российская академия наук</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="en">Russian academy of sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://journals.eco-vector.com/0205-9614/article/view/17595">https://journals.eco-vector.com/0205-9614/article/view/17595</self-uri><abstract xml:lang="en"><p>Detailed geological mapping of Olon-Ovoot gold-ore cluster (South Mongolia) on the basis of interpretation of satellite imagery of medium and high spatial resolution The article presents the results of geological interpretation the territory of the Olon-Ovoot ore cluster by space imagery of medium and high spatial resolution. A Sentinel-2 imagery, chosen for interpretation, was orthorectified and reduced to a common spatial resolution (10m) The iron-hydroxid and ferrous-silicates indices in Sentinel-2 imagery were used to detect the perspective gold-bearing objects. The sub-pixel structure of the imagery Sentinel-2 were analyzed by means of satellite imagery of high spatial resolution by Google Earth for detecting areas concentration of the quartz-carbonate veins. The study of the spectral domain in high-resolution imagery not necessary for detecting lineaments by structural and morphological interpretation. The interpretation of the remote sensing data provide a unique opportunity to substantial specify the geological structure of the territory and change the level of mapping from the scale of 1 : 200 000 to the scale of 1 : 20 000 for the perspective areas. The integration of satellite images of different functional scale provided an tenfold increase for some geological objects (for example dikes). Detailed mapping of the territory allowed to come for geoinformation modeling of geological structural elements and predictive indicators.</p></abstract><trans-abstract xml:lang="ru"><p>В статье изложены результаты дешифрирования территории Олон-Овоотского рудного узла по космическим снимкам среднего и высокого пространственного разрешения. В качестве основы дешифрирования был выбран снимок Sentinel-2, который был подвергнут орторектификации и приведен к единому пространственному разрешению (10м). Для выделения площадных объектов использованы индексы гидроксида железа и силиката железа на снимках Sentinel-2. Для выделения участков сгущения кварц-карбонатных жил на снимках Sentinel-2 анализировалась субпиксельная структура на основе привлечения к дешифрированию космоснимков высокого пространственного разрешения из информационного ресурса GoogleEarth. Для структурно-морфологического дешифрирования с выделением линеаментов оказалось не обязательным исследование спектрального домена на снимках высокого разрешения. Дешифрирование данных дистанционного зондирования Земли позволило существенно уточнить геологическое строение территории и перейти от уровня картографирования масштаба 1: 200 000 к составлению планов на ключевые участки масштаба 1: 20 000. Комплексирование космических снимков разного функционального масштаба обеспечило увеличение закартированных геологических объектов (например, даек) на порядок. Детальное картографирование территории позволило вплотную подойти к геоинформационному моделированию геологических структурных элементов — прогнозных индикаторов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>high and medium spatial resolution images</kwd><kwd>geological mapping</kwd><kwd>remote sensing</kwd><kwd>GIS</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>снимки высокого и среднего пространственного разрешения</kwd><kwd>геологическое картографирование</kwd><kwd>дистанционное зондирование</kwd><kwd>ГИС</kwd></kwd-group><funding-group><funding-statement xml:lang="en">This work was carried out according to the state assignment of the IGM SB RAS. Financing organization: “Ministry of Science and Higher Education of the Russian Federation”.</funding-statement><funding-statement xml:lang="ru">Работа выполнена по государственному заданию ИГМ СО РАН. Финансирующая организация: “Министерство науки и высшего образования Российской Федерации”.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Amantov V.A., Blagonravov V.A., Borzakovskii Yu.A., Durante M.V., Zonenshain L.P., Luvsandanzan B., Matrosov P.S., Suetenko O.D., Filippova I.B., Khasin R.A. Osnovnye cherty stratigrafii paleozoya Mongol'skoi Narodnoi Respubliki // Stratigrafiya i tektonika Mongol'skoi Narodnoi Respubliki. Trudy sovmestnoi Sovetsko-Mongol'skoi geologicheskoi ehkspeditsii [The main features of the Paleozoic stratigraphy of the Mongolian People's Republic // Stratigraphy and tectonics of the Mongolian People's Republic. Proceedings of the joint Soviet-Mongolian geological expedition]. Issue 1. M.: Nauka, 1970. P. 8 – 63. 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