This report outlines the level survey completed during the visit to Port Vila, Vanuatu in April 2008. This is the second EDM Height Traversing level survey of the deep bench mark array in Port Vila, Vanuatu, the first was completed in 2006 when the level technique comparison surveys were performed. The 2008 survey is a repeat EDM Height Traversing survey and on nine previous occasions, from 1993 to 2004 the Vanuatu level survey was performed by the National Tidal Centre (NTC) using the Precise Differential Levelling technique. This project is sponsored by the Australian Agency for International Development (AusAID), managed by the Bureau of Meteorology (BOM) and supported by the National Geospatial Reference Systems Project (NGRS), Geospatial Earth Monitoring Division, GEOSCIENCE AUSTRALIA.

Presentation overviewing gravity and magnetic data available for the Tasman Frontier region and the interpretation and modelling of those data.

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The presence of native sulphur on the slopes of Mt. Suretamatai, Vanua Lava Island, Banks Group has been known since 1887 or earlier, and many claims, most of them extravagant, have been made regarding the potential value of the deposits. More recently manganese has been reported on the island of Maewo, and there have been unsubstantiated rumours of the presences of nickel, chromite, copper, cobalt, gold and coal, as well as sulphur on islands other than Vanua Lava. With the examination of the sulphur and manganese deposits as the principal object, the writer visited the New Hebrides from 7th July to 14th August 1951, and took the opportunity of following up the rumoured occurrences of economic minerals as far as circumstances permitted. This report gives an account of the visit and its findings.