Survey report - Haast 1972

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Otway, P.M. 1973 Survey report - Haast 1972. Lower Hutt: New Zealand Geological Survey. New Zealand Geological Survey report EDS 14 21 p.


Abstract: The Haast pattern was the first of three survey patterns established and first surveyed across the Alpine Fault in South Westland during February-March 1972, the others being located at Paringa and Whataroa. They are typically small scale patterns covering a zone 1.5 to 4.5 km astride the Alpine Fault and are located on river flats. The purpose of these patterns is to provide a simple and precise method of monitoring secular deformation across the Alpine Fault at regular intervals. A full description of the Haast site and pattern, together with provisional co-ordinates and heights is contained in the site report (Blick, 1973). The purpose of the survey report is to present details of the method of surveying, and an estimate of the accuracy attained. In the subsequent survey report (Otway and Wood, EDS 17, 1973) a comparison will also be made with the earlier results. A fill discussion on the significance of the results in terms of earth deformation is not intended for this report series (auth)