Bimodal volcanism of back-arc basin formation and in the products of both continental and oceanic hotspots (e.g. Yellowstone and the Canary Islands). Bimodal volcanism is normally explained as a result of partial melting of the crust, creating granitic magmas, during the emplacement of large volumes of relatively hot basaltic magma from a mantle source. The two magma types then form separate magma chambers giving rise to periodic eruption of both types of lava. Bimodal volcanism Bimodal volcanism is the eruption of both mafic and felsic lavas from a single volcanic centre with little or no lavas of intermediate composition. This type of
All-Ireland Intermediate Hurling Championship All-Ireland Intermediate Hurling Championship The GAA Hurling Intermediate All-Ireland Championship, known simply as the All-Ireland Intermediate Championship, is an annual inter-county hurling competition organised by the Gaelic Athletic Association (GAA). Effectively contested by the second string teams of the top inter-county hurling sides in Ireland, the tournament has taken place every year since 1997—having originally been run between 1961 and 1973. The final, currently held in July, serves as the culmination of a series of games played during the early summer, and the results determine which team receives the Michael Cusack Cup. The All-Ireland Championship has always been played on