1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) a lump or mass of hard consolidated mineral matter 2) a small island 3) the scum formed by oxidation at the surface of molten metals 4) the longest division of geological time DOWN 1) a growth in strength or number or importance 2) the capital and largest city of norway; the country's main port; located at the head of a fjord on norway's southern coast 3) group of people related by blood or marriage 4) the quantity contained in a keg ** Scroll down for solution. ** Are you sure you want to peek? rock isle slag eons