Geology of Ascension Island other volcanic islands, which only have a few mafic and felsic endmembers such as basalt or rhyolite, Ascension has a full-range from some of the most mafic to most felsic. This includes basalt, hawaiite, mugearite, benmoreite,trachyte and rhyolite. Potassium-argon dating indicates that the oldest rocks exposed above the water are one million year old rhyolites. Geologists have divided the island's mafic and felsic rocks into different named sequences and sub-divided mafic rocks based on their ratio of zirconium and niobium. The Sister's Peak region in northwest Ascension has intermediate mafic lava flows, scoria cones and mafic ash fall deposits near
All-Ireland Intermediate Club Hurling Championship All-Ireland Intermediate Club Hurling Championship The All-Ireland Intermediate Club Hurling Championship is an annual inter-county club hurling competition organised by the Gaelic Athletic Association (GAA) since 2004-05 for eligible hurling clubs. Clubs qualify for the competition based on their performance in their county club championships. The final, usually held in early February, serves as the culmination of a series of games played during the winter months, and the results determine which county's team receives the cup. The championship has always been played on a straight knockout basis whereby once a team loses they are eliminated from the series. In the