{"id":1551,"date":"2019-11-28T14:43:44","date_gmt":"2019-11-28T12:43:44","guid":{"rendered":"http:\/\/www.g-o-f.org.ua\/?page_id=1551"},"modified":"2020-12-21T17:50:21","modified_gmt":"2020-12-21T15:50:21","slug":"7-2","status":"publish","type":"page","link":"http:\/\/www.g-o-f.org.ua\/gb\/archive\/2019-40\/7-2\/","title":{"rendered":"Potassium Bearing Rocks of Ukrainian Shield: Mass Balance"},"content":{"rendered":"<p>L.\u041c. Stepanyik <sup>1<\/sup>, S.I. Kurylo <sup>1<\/sup>, I.\u041c. Kotvytska <sup>1<\/sup>, O.V. Hrinchenko <sup>2<\/sup><br \/>\n1 \u2014 Institute of Geochemistry, Mineralogy and Ore Formation, NAS of Ukraine<br \/>\n2 \u2014 Kyiv National Taras Shevchenko University, Institute of Geology<\/p>\n<p>Language: English<br \/>\nGeochemistry and ore formation 2019, 40: 58-63<br \/>\n<a href=\"https:\/\/doi.org\/10.15407\/gof.2019.40.058\"> https:\/\/doi.org\/10.15407\/gof.2019.40.058<\/a><\/p>\n<p style=\"text-align: justify;\">Potassium-bearing, mostly two-bifeldspar granites, are widely widespread within Ukrainian Shield. Early published papers have discussed the problem of potassium source for two-feldspar granites which indicate final stages or evolved continental crust formation, with granites of Middle Dnipro and granulites of Dniester-Bug megablocks being taken as typical examples. The conclusion was made that biotites might be a possible source of potassium, which occurrence in the upper layers of lithosphere marks the formation of evolved continental crust. These potassium-rich melts results in formation of two-feldspar granites as well as intensive potassic metasomatism occurred in granulite-gneiss regions. The biotite would be destroyed within instability zone (zone of transition from amphibolite to granulite facies) and, as a result of selective melting of source rocks it (together with rubidium and radiogenic isotope 87Sr) can migrate into melt or fluid, at PT-parameter that do not reach melting conditions. Subduction might be treated as condition (setting) favorable for entering of potassium into granulite rock associations, because it provides sinking of biotite- bearing rocks below granulitic blocks. Granulites are characterterised by low contnets of biotite that is not enough for production (release) of large amounts of potassium. This paper discusses calculation results of mass balance on potassium and strontium, with Middle Dnipro megablock as an example. It is established that for granite selective melts with K2O &gt; 4% and primary isotope ratio values of two-feldspar granites more than 0,750 to be formed the proportion ratio as 8\/1 is enough to be reached between volumes of substratum and two-feldspar granites (parental melt). This value is much less than that established for rocks of Middle Dnipro megablock. \u0421riteria for classification (systematization) of tectonic blocks of Ukrainian Shield are offered.<\/p>\n<p style=\"text-align: justify;\">Keywords. <em>Two-feldspar granites, rubidium-strontium isotope system, mass balance, tectonic block, Ukrainian Shield.<\/em><\/p>\n<p style=\"text-align: justify;\">References<br \/>\n1. \u0421atalogue of isotope datings of Ukrainian Shield rocks. (1978) Edt. Scherbak N.P., Zlobenko G.V et al., Kyiv, Naukova Dumka, 224 p. [in Russian].<br \/>\n2. Correlative chronostratigraphic scheme of Early Precambrian of Ukrainian Shield (2003). [in Ukrainian].<br \/>\n3. Ponomarenko O.M., Stepanyuk L.M., Kryvdik S.G., Sinytsyn V.\u041e. (2012). Radiogeochronology of metasomatic processes in crystalline rocks of Ukrainian Shield. Geochemistry and ore formation. 31\/32, pp. 24-29 [in Ukrainian]. <a href=\"https:\/\/doi.org\/10.15407\/gof.2012.31.024\">https:\/\/doi.org\/10.15407\/gof.2012.31.024<\/a><br \/>\n4. Scherbak N.P., Bartnitsky E.N., Lugovaya I.P. (1981), Kyiv, Naukova Dumka, 248 [in Russian].<br \/>\n5. Scherbakov I.B. (2005) Petrology of Ukrainian shield, Lviv: Zuktz, 366 [in Russian].<br \/>\n6. Stepanyuk L.M. (1997). Metasomatic nature of biotite and biotite-garnet gneisses of Middle Bug area. Reports of NAS of Ukraine, 1, pp. 133-136 [in Ukrainian].<br \/>\n7. Stepanyuk L.M., Ponomarenko O.M., Petritchenko K.V., Kurylo S.I., Dovbush T.I., Sergeev S.A., Rodionov M.V. (2015) Uranium-lead isotopic geochronology of Berdychiv type granitoids of the Bug area (Ukrainian shield). Mineralogical Journal (Ukraine), 37 (3), pp. 51-66 [in Ukrainian]. <a href=\"https:\/\/doi.org\/10.15407\/mineraljournal.37.03.051\">https:\/\/doi.org\/10.15407\/mineraljournal.37.03.051<\/a><br \/>\n8. Stepanyuk L.M., Kurylo S.\u0406., Kotvitska \u0406.\u041c. (2016). Possible sources of primary magmas of two-feldspar granites and conditions of magma origins (Middle Dnipro megablock of Ukrainian Shield as an example). Mineralogical Journal (Ukraine), 38 (3), pp. 81-90. <a href=\"https:\/\/doi.org\/10.15407\/mineraljournal.38.03.081\">https:\/\/doi.org\/10.15407\/mineraljournal.38.03.081<\/a><br \/>\n9. Stepanyuk L.M., Dovbush T.I.., Kurylo S.\u0406., Lisna \u0406.\u041c. (2016). Final stage of granite magmatism in Dnister-Bug megablock of Ukrainian Shield. Geochemistry and Ore Formation, 36, pp. 72-81. <a href=\"https:\/\/doi.org\/10.15407\/gof.2016.36.072\">https:\/\/doi.org\/10.15407\/gof.2016.36.072<\/a><br \/>\n10. Stepanyuk L.M., Kotvitska I.M., Andreev \u041e.V., Kurylo S.\u0406., Hrinchenko \u041e.V. (2018) Mature continental crust and source of potassium. Mineralogical Journal (Ukraine), 40 (4), pp. 79-88 [in Ukrainian]. <a href=\"https:\/\/doi.org\/10.15407\/mineraljournal.40.04.079\">https:\/\/doi.org\/10.15407\/mineraljournal.40.04.079<\/a><br \/>\n11. Yesypchuk K.E., Orsa V.I., Scherbakov I.B., Sheremet \u0415.\u041c., Skobelev V.\u041c., Riabokon V.V., Galetsky L.S., Panov B.S. (1993) Granitoids of Ukrainian Shield: petrochemistry, geochemistry, ore content \u041ayiv: Naukova Dumka, 232 p. [in Russian].<\/p>\n<p><strong><a href=\"https:\/\/www.g-o-f.org.ua\/wp-content\/uploads\/2019\/7.pdf\" target=\"_blank\" rel=\"noopener\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignleft\" src=\"https:\/\/i0.wp.com\/www.g-o-f.org.ua\/wp-content\/uploads\/2020\/index.jpg?resize=100%2C100\" alt=\"\" width=\"100\" height=\"100\" \/><\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L.\u041c. Stepanyik 1, S.I. Kurylo 1, I.\u041c. Kotvytska 1, O.V. Hrinchenko 2 1 \u2014 Institute of Geochemistry, Mineralogy and Ore Formation, NAS of Ukraine 2 \u2014 Kyiv National Taras Shevchenko University, Institute of Geology Language: English Geochemistry and ore formation 2019, 40: 58-63 https:\/\/doi.org\/10.15407\/gof.2019.40.058 Potassium-bearing, mostly two-bifeldspar granites, are widely widespread within Ukrainian Shield. Early &hellip; <a href=\"http:\/\/www.g-o-f.org.ua\/gb\/archive\/2019-40\/7-2\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Potassium Bearing Rocks of Ukrainian Shield: Mass Balance&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1498,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1551","page","type-page","status-publish","hentry"],"translation":{"provider":"WPGlobus","version":"3.0.0","language":"gb","enabled_languages":["uk","gb"],"languages":{"uk":{"title":true,"content":true,"excerpt":false},"gb":{"title":true,"content":true,"excerpt":false}}},"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/P9ghyZ-p1","jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":1510,"url":"http:\/\/www.g-o-f.org.ua\/gb\/archive\/2019-40\/1-2\/","url_meta":{"origin":1551,"position":0},"title":"The Institute of Geochemistry, Mineralogy and Ore Formation Semenenko NAS of Ukraine is 50 years","author":"admin","date":"27\/11\/2019","format":false,"excerpt":"{:uk}9 \u0441\u0456\u0447\u043d\u044f 2019 \u0440. \u0406\u043d\u0441\u0442\u0438\u0442\u0443\u0442\u0443 \u0433\u0435\u043e\u0445\u0456\u043c\u0456\u0457, \u043c\u0456\u043d\u0435\u0440\u0430\u043b\u043e\u0433\u0456\u0457 \u0442\u0430 \u0440\u0443\u0434\u043e\u0443\u0442\u0432\u043e\u0440\u0435\u043d\u043d\u044f \u0456\u043c. \u041c.\u041f. \u0421\u0435\u043c\u0435\u043d\u0435\u043d\u043a\u0430 \u041d\u0410\u041d \u0423\u043a\u0440\u0430\u0457\u043d\u0438 (\u0406\u0413\u041c\u0420 \u041d\u0410\u041d \u0423\u043a\u0440\u0430\u0457\u043d\u0438, \u043f\u0435\u0440\u0448\u0430 \u043d\u0430\u0437\u0432\u0430 \u0406\u043d\u0441\u0442\u0438\u0442\u0443\u0442 \u0433\u0435\u043e\u0445\u0456\u043c\u0456\u0457 \u0442\u0430 \u0444\u0456\u0437\u0438\u043a\u0438 \u043c\u0456\u043d\u0435\u0440\u0430\u043b\u0456\u0432 \u0410\u041d \u0423\u0420\u0421\u0420) \u0432\u0438\u043f\u043e\u0432\u043d\u0438\u043b\u043e\u0441\u044f 50 \u0440\u043e\u043a\u0456\u0432. \u0406\u0413\u041c\u0420 \u041d\u0410\u041d \u0423\u043a\u0440\u0430\u0457\u043d\u0438 \u2014 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0430, \u0432 \u044f\u043a\u0456\u0439 \u043f\u0440\u0430\u0446\u044e\u044e\u0442\u044c \u0431\u0430\u0433\u0430\u0442\u043e \u0440\u0456\u0437\u043d\u043e\u043f\u0440\u043e\u0444\u0456\u043b\u044c\u043d\u0438\u0445 \u0444\u0430\u0445\u0456\u0432\u0446\u0456\u0432 \u2014 \u0433\u0435\u043e\u0445\u0456\u043c\u0456\u043a\u0456\u0432 \u0456 \u0445\u0456\u043c\u0456\u043a\u0456\u0432, \u043c\u0456\u043d\u0435\u0440\u0430\u043b\u043e\u0433\u0456\u0432 \u0456 \u0444\u0456\u0437\u0438\u043a\u0456\u0432, \u043f\u0435\u0442\u0440\u043e\u043b\u043e\u0433\u0456\u0432 \u0456 \u0444\u0456\u0437\u0438\u043a\u043e-\u0445\u0456\u043c\u0456\u043a\u0456\u0432,\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar 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\u0421\u0435\u043c\u0435\u043d\u0435\u043d\u043a\u0430 \u041d\u0410\u041d \u0423\u043a\u0440\u0430\u0457\u043d\u043803142, \u043f\u0440\u043e\u0441\u043f. \u0430\u043a\u0430\u0434. \u041f\u0430\u043b\u043b\u0430\u0434\u0456\u043d\u0430, 34, \u041a\u0438\u0457\u0432, \u0423\u043a\u0440\u0430\u0457\u043d\u0430 https:\/\/doi.org\/10.15407\/gof.2022.43.102 \u0423 \u0421\u0445\u0456\u0434\u043d\u043e\u043c\u0443 \u041f\u0440\u0438\u0430\u0437\u043e\u0432\u2019\u0457 (\u0441. \u041d\u0430\u0431\u0435\u0440\u0435\u0436\u043d\u0435, \u043b\u0456\u0432\u0438\u0439 \u0431\u0435\u0440\u0435\u0433 \u0440. \u041a\u0430\u043b\u044c\u043c\u0456\u0443\u0441) \u0432\u0438\u044f\u0432\u043b\u0435\u043d\u043e \u043f\u043e\u0440\u043e\u0434\u0438, \u043f\u0435\u0440\u0435\u0432\u0430\u0436\u043d\u043e \u0441\u043a\u043b\u0430\u0434\u0435\u043d\u0456 \u043c\u0456\u043d\u0435\u0440\u0430\u043b\u0430\u043c\u0438 \u0433\u0440\u0443\u043f\u0438 \u043a\u0440\u0435\u043c\u043d\u0435\u0437\u0435\u043c\u0443 (\u043a\u0432\u0430\u0440\u0446, \u0445\u0430\u043b\u0446\u0435\u0434\u043e\u043d), \u043e\u043a\u0441\u0438\u0434\u0456\u0432 \u0456 \u043a\u0430\u0440\u0431\u043e\u043d\u0430\u0442\u0456\u0432 Fe, Mn, Ca. \u0423 \u043d\u0438\u0445\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1934,"url":"http:\/\/www.g-o-f.org.ua\/gb\/archive\/2021-42\/1-9\/","url_meta":{"origin":1551,"position":2},"title":"URANIUM-LEAD BY MONACITE GEOCHRONOLOGY OF GRANITES DISTRIBUTED IN THE MIDDLE CURRENT OF THE RIVER ROS (ROS-TIKICH MEGABLOCK UKRAINIAN SHIELD)","author":"admin","date":"15\/12\/2021","format":false,"excerpt":"{:uk} \u0422.\u0406. \u0414\u043e\u0432\u0431\u0443\u0448https:\/\/orcid.org\/0000-0002-3512-3313,E-mail: Dovbush@nas.gov.ua\u041b.\u041c. \u0421\u0442\u0435\u043f\u0430\u043d\u044e\u043ahttps:\/\/orcid.org\/0000-0001-5591-5169,E-mail: stepaniuk@nas.gov.ua\u041e.\u0412. \u0417\u044e\u043b\u044c\u0446\u043b\u0435https:\/\/orcid.org\/0000-0002-6204-2009,E-mail: olegzjults@gmail.com\u0422.\u0411. \u042f\u0441\u044c\u043a\u0435\u0432\u0438\u0447\u00a0\u0406\u043d\u0441\u0442\u0438\u0442\u0443\u0442 \u0433\u0435\u043e\u0445\u0456\u043c\u0456\u0457, \u043c\u0456\u043d\u0435\u0440\u0430\u043b\u043e\u0433\u0456\u0457 \u0442\u0430 \u0440\u0443\u0434\u043e\u0443\u0442\u0432\u043e\u0440\u0435\u043d\u043d\u044f \u0456\u043c\u0435\u043d\u0456 \u041c.\u041f. \u0421\u0435\u043c\u0435\u043d\u0435\u043d\u043a\u0430 \u041d\u0410\u041d \u0423\u043a\u0440\u0430\u0457\u043d\u043803142, \u043f\u0440\u043e\u0441\u043f. \u0430\u043a\u0430\u0434. \u041f\u0430\u043b\u043b\u0430\u0434\u0456\u043d\u0430, 34, \u041a\u0438\u0457\u0432, \u0423\u043a\u0440\u0430\u0457\u043d\u0430 \u00a0 \u00a0\u0423 \u0433\u0435\u043e\u043b\u043e\u0433\u0456\u0447\u043d\u0456\u0439 \u0431\u0443\u0434\u043e\u0432\u0456 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1 E-mail: alek.vysotsky@gmail.com; https\/\/orcid.org\/0000-0002-3542-4685 \u0412.\u041e. \u0412\u0456\u043b\u044c\u043a\u043e\u0432\u0441\u044c\u043a\u0438\u0439 1 E-mail: V.vilkovskiy@gmail.com; https:\/\/orcid.org\/0009-0007-7117-8980 1\u0406\u043d\u0441\u0442\u0438\u0442\u0443\u0442 \u0433\u0435\u043e\u0445\u0456\u043c\u0456\u0457, \u043c\u0456\u043d\u0435\u0440\u0430\u043b\u043e\u0433\u0456\u0457 \u0442\u0430 \u0440\u0443\u0434\u043e\u0443\u0442\u0432\u043e\u0440\u0435\u043d\u043d\u044f \u0456\u043c. \u041c.\u041f. \u0421\u0435\u043c\u0435\u043d\u0435\u043d\u043a\u0430 \u041d\u0410\u041d \u0423\u043a\u0440\u0430\u0457\u043d\u0438 03142, \u043f\u0440\u043e\u0441\u043f. \u0410\u043a\u0430\u0434. \u041f\u0430\u043b\u043b\u0430\u0434\u0456\u043d\u0430, 34, \u041a\u0438\u0457\u0432, \u0423\u043a\u0440\u0430\u0457\u043d\u0430 2 \u041a\u041f \u00ab\u041f\u0456\u0432\u0434\u0435\u043d\u0443\u043a\u0440\u0433\u0435\u043e\u043b\u043e\u0433\u0456\u044f\u00bb 49000,\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":870,"url":"http:\/\/www.g-o-f.org.ua\/gb\/%d0%bd%d0%be%d0%b2%d0%b8%d0%bd%d0%b8\/","url_meta":{"origin":1551,"position":4},"title":"News","author":"admin","date":"29\/10\/2018","format":false,"excerpt":"{:uk} 10.02.2022 \u0428\u0430\u043d\u043e\u0432\u043d\u0456 \u043a\u043e\u043b\u0435\u0433\u0438!!! \u041f\u043e\u0432\u0456\u0434\u043e\u043c\u043b\u044f\u0454\u043c\u043e \u0412\u0430\u043c, \u0449\u043e \u0440\u043e\u0437\u043f\u043e\u0447\u0430\u0442\u0430 \u043f\u0456\u0434\u0433\u043e\u0442\u043e\u0432\u043a\u0430 \u0434\u043e \u0434\u0440\u0443\u043a\u0443 \u0447\u0435\u0440\u0433\u043e\u0432\u043e\u0433\u043e \u0432\u0438\u043f\u0443\u0441\u043a\u0443 \u0437\u0431\u0456\u0440\u043d\u0438\u043a\u0430 \u00ab\u0413\u0435\u043e\u0445\u0456\u043c\u0456\u044f \u0442\u0430 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PLUTON","author":"admin","date":"17\/12\/2023","format":false,"excerpt":"{:uk}{:uk}{:uk}\u042e.\u0412. \u041a\u0440\u043e\u0448\u043a\u043e E-mail: ykrosh.79@ukr.net, https:\/\/orcid.org\/0000-0002-7601-7760 \u041c.\u0421. \u041a\u043e\u0432\u0430\u043b\u044c\u0447\u0443\u043a E-mail: kms1964@ukr.net, https:\/\/orcid.org\/0000-0001-9265-9707 \u0406\u043d\u0441\u0442\u0438\u0442\u0443\u0442 \u0433\u0435\u043e\u043b\u043e\u0433\u0456\u0447\u043d\u0438\u0445 \u043d\u0430\u0443\u043a \u041d\u0410\u041d \u0423\u043a\u0440\u0430\u0457\u043d\u0438, 01601, \u0432\u0443\u043b. \u041e. \u0413\u043e\u043d\u0447\u0430\u0440\u0430, 55\u0431, \u041a\u0438\u0457\u0432, \u0423\u043a\u0440\u0430\u0457\u043d\u0430 https:\/\/doi.org\/10.15407\/gof.2023.44.063 \u041f\u043e\u0434\u0430\u043d\u043e \u0432\u0456\u0434\u043e\u043c\u043e\u0441\u0442\u0456 \u043f\u0440\u043e \u0442\u0438\u0442\u0430\u043d-\u0446\u0438\u0440\u043a\u043e\u043d\u0456\u0454\u0432\u0443 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post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"http:\/\/www.g-o-f.org.ua\/gb\/wp-json\/wp\/v2\/pages\/1551","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.g-o-f.org.ua\/gb\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/www.g-o-f.org.ua\/gb\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/www.g-o-f.org.ua\/gb\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.g-o-f.org.ua\/gb\/wp-json\/wp\/v2\/comments?post=1551"}],"version-history":[{"count":6,"href":"http:\/\/www.g-o-f.org.ua\/gb\/wp-json\/wp\/v2\/pages\/1551\/revisions"}],"predecessor-version":[{"id":1583,"href":"http:\/\/www.g-o-f.org.ua\/gb\/wp-json\/wp\/v2\/pages\/1551\/revisions\/1583"}],"up":[{"embeddable":true,"href":"http:\/\/www.g-o-f.org.ua\/gb\/wp-json\/wp\/v2\/pages\/1498"}],"wp:attachment":[{"href":"http:\/\/www.g-o-f.org.ua\/gb\/wp-json\/wp\/v2\/media?parent=1551"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}