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Sanidine twins from Zvegor, Republic of Macedonia (CROSBI ID 585949)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Zebec, Vladimir ; Žigovečki Gobac, Željka ; Mikulčić Pavlaković, Snježana ; Šijakova-Ivanova, Tena ; Čobić, Andrea ; Bermanec, Vladimir Sanidine twins from Zvegor, Republic of Macedonia // Acta mineralogica-petrographica, Abstract series, Volume 7 / Fehér, Béla (ur.). Segedin: University of Szeged, 2012. str. 163-163

Podaci o odgovornosti

Zebec, Vladimir ; Žigovečki Gobac, Željka ; Mikulčić Pavlaković, Snježana ; Šijakova-Ivanova, Tena ; Čobić, Andrea ; Bermanec, Vladimir

engleski

Sanidine twins from Zvegor, Republic of Macedonia

Sanidine crystals were collected from quartz latite rocks east of the village Zvegor, in eastern part of the Republic of Macedonia. Morphology of these crystals was already described, but so far, among these crystals, only Carlsbad twins were observed. X-ray powder diffraction analysis of these crystals confirmed a sanidine crystal structure. Representative crystals were chosen for a goniometric measurement, which was done by two-circle reflecting goniometer. According to observation and measurements done, together with Carlsbad twins already observed, two new types of twins have been discovered. First, there are twins according to Manebach twin law, where twin plane is (001) and second, (110)-l Prism law, where twin plane is (110). Among all twins present, Carlsbad twins are most abundant. Left- and right-handed Carlsbad twins are almost equally present. In several cases a left- and a right-handed twinning in a just one twining formation is present. A complex multiple twinning is observed, where Carlsbad twins are between themselves grown according to (110) Prism twin law. Manebach twins are elongated along [100]. Although all these types of twins are already mentioned in literature, twins according to (110) Prism law are not so common, and, therefore, their finding is notable.

sanidine twins; Zvegor; Republic of Macedonia

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Podaci o prilogu

163-163.

2012.

objavljeno

Podaci o matičnoj publikaciji

Acta mineralogica-petrographica, Abstract series, Volume 7

Fehér, Béla

Segedin: University of Szeged

0324-6523

Podaci o skupu

Joint 5th Mineral Sciences in the Carpathians Conference (MSCC) and the 3rd Central-European Mineralogical Conference (CEMC)

poster

19.04.2012-21.04.2012

Miskolc, Mađarska

Povezanost rada

Geologija

Poveznice