A study of the Tasmanian dolerites with particular reference to the differentiation of the Red Hill dolerite-granophyre association
The Tasmanian dolerites were intruded into essentially flat-lying Permian and Triassic sediments in the form of sheets, commonly exceeding 1000 feet in thickness, large dyke-like intrusions up to one mile in width, and transgressive bodies. The dolerite is post Triassic and pre-Tertiary in age, and Hills and Carey (194-9, 54-) and Banks (1958, 234-) suggest that the intrusions took place in the Jurassic. They crop out over more than 6,000 square miles, and Edwards (1942, 452) has...[Show more]
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