 | | Journal (article/letter/editorial) | | trends of columbite–tantalite in the beryl–columbite Šejby granitic pegmatite, Czech Republic: role of...Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic Department of Mineralogy and Petrology, Comenius...Corresponding author The simply zoned Šejby pegmatite of beryl–columbite subtype is enclosed in migmatitized...Moldanubian Plutonic Complex, Bohemian Massif, Czech Republic. The columbite-group minerals (CGM) occur...K-feldspar unit. Primary magmatic CGM [columbite-(Fe)−tantalite-(Fe)], show an interesting compositional |  | | Book | | the same passion for minerals and the NE Bavarian region. The Oberpfalz was his home and my adopted country...aplitic rocks in the Bohemian Massif, which is shared by Germany, the Czech Republic, Poland and Austria...the principal techniques of deep geophysics, this region enables us to look at the origin of pegmatites...particularly at vii viii Preface Hagendorf-South which is second to none in the HPPP. Other geoscientific...to find new profitable mineral deposits in the region are not very promising and mining in Germany is |  | Guastoni, Alessandro, Secco, Luciano, Škoda, Radek, Nestola, Fabrizio, Schiazza, Mariangela, Novák, Milan, Pennacchioni, Giorgio (2019) Non-Metamict Aeschynite-(Y), Polycrase-(Y), and Samarskite-(Y) in NYF Pegmatites from Arvogno, Vigezzo Valley (Central Alps, Italy) Minerals, 9 (5) 313 doi:10.3390/min9050313 | Journal (article/letter/editorial) | | Masaryk University, Kotlarska 2 CZ 611 37, Brno, Czech Republic; rskoda@sci.muni.cz (R.Š.); milangeo@seznam...square antiprism, is occupied by Y, REE, Ca, U, Th, Fe, while the six-fold coordinated B-site has a typical...Fe2+structure , and Fe3+ , although some studies placed Fe Ti can occupy 2+, and Fe3+, although some studies...the B-site and Ti mostly occupied by REE, Ca, U, Fe both sites [5]. The A-site in samarskite is occupied...non-metamict samarskite-(Y) from Eifel volcanic region, Germany, revealed a unique cation-ordered niobate |
|
