This paper presents a summary of the petrology and petrography of an igneous complex of Algomian ... A peculiar spotted rock which is poikilitic shonkinite (Basswood type), a quartz diorite with 13 ...

It encompasses igneous and metamorphic rocks from the Precambrian to Lower ... niobium and tantalum mineralisation within a nepheline syenite intrusive stock. Kula managing director Ric Dawson ...