Lava Vesuvius between May 14 and June 4, 1737. Serao described "a flow of fiery lava" as an analogy to the flow of water and mud down the flanks of the volcano following heavy rain. The composition of almost all lava of the Earth's crust is dominated by silicate minerals, mostly feldspars, olivine, pyroxenes, amphiboles, micas and quartz. Igneous rocks, which form lava flows when erupted, can be classified into three chemical types: "felsic", "intermediate", and "mafic" (four if one includes the super-heated "ultramafic"). These classes are primarily chemical, however, the chemistry of lava also tends to correlate with the magma
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