pegmatites in the Peräseinäjoki-Alavus area, South Pohjanmaa, Finland by Ilmari Haapala Geologinen tutkimuslaitos...PEGMATITES IN THE PERÄSEINÄJOKI-ALAVUS AREA, SOUTH POHJANMAA, FINLAND BY ILMARI HAAPALA WIT I-I 37 FIGURES...bodies and fracture fillings. From the Haapaluoma pegmatite the following minerals, inter aha, are described:...Hunnakko pegmatite mineralogical description of montebrasite, alluaudite, triploidite, childrenite and v...Quartz diorite and granodiorite, granite and pegmatite . ...... .. . . . 13 13 Tectonics and stratigraphy |