Masaryk University, Kotlářská 2, 611 37 Brno, CzechRepublic Corresponding author Calc-alkaline lamprophyre...electronic material. 1. Introduction Tourmaline-supergroup minerals are complex borosilicates that occur...and biotite–plagioclase porphyritic dikes in the region (87−93 Ma; Anderson 1983), although the parental... Analytical methods The compositions of amphibole-supergroup minerals, feldspars, chlorite-group minerals...counting time 20 s (40 s for F in tourmaline and amphibole; 60 s for F and 40 s for Cl in chlorite; 40 s
Aksenov *E-mail: chukanov@icp.ac.ru Zeolite supergroup Monoclinic: C2/m, Cm or C2 a = 18.670(8), b =...Lanka (6°35′N, 80°35′E) and Mirošov, near Strážek, western Moravia, CzechRepublic (49°27′49.38″N, 16°9′54...*E-mail: ferdinando.bosi@uniroma1.it Tourmaline supergroup Trigonal: R3m; structure determined a = 16.0018(7)...Mineralogy and Petrography, Zelný trh 6, Brno, CzechRepublic, catalogue numbers A11137 and A11138 How to...town of Bilibino, Western Chukotka, North-Eastern Region, Russia (67°41′N, 168°52′E) Igor V. Pekov*, Oleg