| Magdalena Dumańska-Słowik, Bartosz Budzyń, Wiesław Heflik and Magdalena Sikorska (2012)Stability relationships of REE-bearing phosphates in an alkali-rich system (nepheline syenite from the Mariupol Massif, SE Ukraine). Acta Geologica Polonica, 62:247–265 |
Donskoy quarry, Mazurovskoe Zr deposit, Oktyabr'skii Massif, Azov Sea Region, Donetsk Oblast, Ukraine