Abstract:<p>Juxtaposition of oceanic and continental lithosphere along terrane boundary faults is an important tectonic process that can occur during closure of an ocean basin; however, the timing of faulting can be difficult to constrain. Here, we show that a spectacular exposure of the basal fault (Livingstone Fault) to the Dun Mountain Ophiolite in New Zealand may be dated using <sup>87</sup>Sr/<sup>86</sup>Sr isotopes. At this boundary, quartzofe… Show more
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