Geology of the Northwest Territories province from dikes and mafic lava flows, overlain by deep ocean turbidite deposits. These rocks are believed to be the remains of oceanic crust that ended up preserved, surrounded on all sides by felsic volcanic rocks and granitoid plutons. In the area of Snofleld Lake in the northern part of the Slave Province, the remains of Archean stromatolites are preserved in a dolomite unit between felsic volcanic and greywacke-mudstone turbidites, some of the earliest evidence of life, forming in the shallows around volcanic islands. Around 1.27 billion years ago in the Proterozoic, a series of major magmatic events affected the
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