Abstract
Abstract The area near the head of Lake Wakatipu lies between the Livingstone Fault to the west, and the Otago Schist terrane to the east. The area is divided into three major tectonic slices or subareas by north-striking faults. A eastward-younging sequence of Caples Group strata in the western-subarea is subdivided into four informal units consisting predominantly of volcanogenic sediments, feldspathic sandstone, tuff and tuffaceous sandstone, and grey sandstone and slate respectively. The Greenstone Ultramafite Belt, which separates the western subarea from the middle subarea, is interpreted as a tectonic melange of serpentinite, metagabbro, mafic volcanic and meta-sedimentary rocks. The synclinal Bold Peak unit, predominantly rhythmically alternating green sandstone and slate, occupies the middle subarea and is separated by an important inferred fault, the West Wakatipu Fault, from the eastern subarea which represents the western limit of the Haast Schist of Central Otago. Five metamorphic zones are r...
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