L.M. Stepanyuk, GEOCHRONOLOGY ACCORDING TO MONAZITE GRANITES OF THE ANADOLIAN MASSIF (PRIAZOV MEGABLOCK OF THE UKRAINIAN SHIELD)
https://doi.org/10.15407/mineraljournal.46.02.100
UDC 550.93
GEOCHRONOLOGY ACCORDING TO MONAZITE GRANITES
OF THE ANADOLIAN MASSIF (PRIAZOV MEGABLOCK OF THE UKRAINIAN SHIELD)
L.M. Stepanyuk 1, DrSc (Geology), Corresp. Member of NAS of Ukraine, Prof., Deputy Director
E-mail: stepaniuk@nas.gov.ua; orcid: 0000-0001-5591-5169
O.B. Vysotsky 1, PhD (Geology), Research Fellow
E-mail: alek.vysotsky@gmail.com; https//orcid.org/0000-0002-3542-4685
H.H. Pavlov 1, PhD (Petrology), Senior Research Fellow
E-mail: genychpavlov@gmail.com; https//orcid.org/0000-0002-5913-042X
T.I. Dovbush 1, Research Fellow
E-mail: tetyana.dovbush1@gmail.com; orcid: 0000-0002-3512-3313
B.V. Borodynya 2, Leading Geologist
E-mail: boris.priazov@gmail.com; https//orcid.org/0009-0008-3934-2581
1 M.P. Semenenko Institute of Geochemistry, Mineralogy and Ore Formation of the NAS of Ukraine
34, Acad. Palladin Ave., Kyiv, Ukraine, 03142
2 State commercial enterprise "Pivdenukrgeologiya"
11, Chernyshevsky Str., Dnipro, Ukraine, 49000
Language: Ukrainian
Mineralogical journal 2024, 46 (2): 100-106
Abstract: The Anadolian massif (about 300 km2) is located between the rivers Kalmius and Kalchyk (East Azov). It is composed of leucocratic granites in the central part, and on the periphery — granites enriched with dark-colored minerals that turn into migmatites. Granites of the Anadolian massif together with other autochthonous and paraautochthonous essentially difeldspar (spar-predominant) subalkaline amphibole-biotite migmatites, biotite and biotite-muscovite medium- and coarse-grained porphyry-like granites and leucogranites, usually monazite-bearing, are separated in the Anadolian complex. The granites of the complex are spread over almost the entire territory of the Priazov megablock, where they form subconforming vein bodies among the gneisses and crystalline schists of the Central Priazov series, or form the vein material of migmatites developed on metamorphic rocks of the same series. Granites of the Anadolian massif, which are common in the quarry of Myrny, contain accessory zircon, the crystals of which have a complex structure due to the presence of heterogeneous relic cores of substrate rocks on which relatively thin shells of synpetrogenic zircon grow. According to the results of dating of multi-grain samples of monazite by the uranium-lead isotope method, the granites of the Anadolian massif were formed 2047.9±2.2 million years ago.
Keywords: Azov region, Anadolian massif, granite, monazite, uranium-lead isotope method.
References / Література
Bartnitskyi, E.N., Bibikova, E.V., Verhoglyad, V.M., Legkova, G.V., Skobelev, V.M. and Terets, G.Ya. (1995), Geohimiya i rudoobrazovanie, Iss. 21, Kyiv, pp. 164-167 [in Russian].
[Бартницкий, Е.Н., Бибикова, Е.В., Верхогляд, В.М., Легкова, Г.В., Скобелев, В.М., Терец, Г.Я. (1995), Геохимия и рудообразование. Вып. 21. С. 164—167.]
Krough, T.E. (1973), Geochim. Cosmochim. acta, Vol. 37, No. 3, pp. 485-494.
Ludwig, K.R. (1989), Pb Dat for MS-DOS, version 1.06. U.S. Geol. Surv. Open-File Rept., 542, No. 88. p. 40.
Ludwig, K.R. (1990), ISOPLOT for MS-DOS, version 2.0. U.S. Geol. Surv. Open-File Rept., 557, No. 88. p. 38.
Shcherbak, N.P., Artemenko, G.V., Lesnaia, I.M., Ponomarenko, A.N. and Shumlyanskyy, L.V. (2008), Heokhronolohyia ranneho dokembryia Ukrainskoho shchyta. Proterozoi, Nauk. dumka, Kyiv, 239 p. [in Russian].
[Щербак, Н.П., Артеменко, Г.В., Лесная, И.М., Пономаренко, А.Н., Шумлянский, Л.В. (2008), Геохронология раннего докембрия Украинского щита. Протерозой. Киев: Наук. думка. 239 c.]
Shcherbakov, I.B. (2005), Petrolohyia Ukrainskoho shchyta, ZUKTs, Lvov, 366 p. [in Russian].
[Щербаков, И.Б. (2005), Петрология Украинского щита. Львов: ЗУКЦ, 366 с.]
Usenko, I.S., Yesypchuk, K.Yu. and Tsukanov, V.O. (1971), Dopov. AN URSR. Ser. B, No. 8, pp. 684-688 [in Ukrainian].
[Усенко, І.С., Єсипчук, К.Ю., Цуканов, В.О. (1971), Допов. АН УРСР. Сер. Б. № 8. С. 684—688.]
Yesypchuk, K.Yu., Bobrov, O.B., Stepanyuk, L.M., Shcherbak, M.P., Glevaskiy, Ye.B., Skobelyev, V.M., Drannik, A.S. and Geychenko, M.V. (2004), Korelyatsіyna khronostratigrafіchna skhema rannogo dokembrіyu Ukrainskogo shchyta (poyasnyuvalna zapyska), UkrDGRІ, NSK of Ukraine, Kyiv, 30 p. [in Ukrainian].
[Єсипчук, К.Ю., Бобров, О.Б., Степанюк, Л.М., Щербак, М.П., Глеваський, Є.Б., Скобелєв, В.М., Дранник, А.С., Гейченко, М.В. (2004), Кореляційна хроностратиграфічна схема раннього докембрію Українського щита (схема та поясн. зап.). Київ: УкрДГРІ; НСК України, 30 с.]