DOLERITE

widely distributed igneous rock which is found a ociated with ture, occurring in dykes, sills, and lava streams. There are several varieties, including quartz-dolerite and olivine dolerite. It is much in demand for road-making, numanist and printer; convicted of heresy and burned. market town, capital of Meri on eths hire, Wales; tourist resort. om. Vesdre, Liége, Belgium; occupies part of site of ancient Limburg; cloth man i factures.