Voyage report for IN2016T01 Eastern Coral Sea Tectonics followup (ECOSAT II), R/V Investigator, June-July 2016

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Williams, S., Mortimer, N.; Etienne, S.; Whittaker, J.; Herold, N.; O'Toole, L.; Sauermilch, I.; Tobin, J.; Yeung, S.; Seton, M.; Collot, J. 2016 Voyage report for IN2016T01 Eastern Coral Sea Tectonics followup (ECOSAT II), R/V Investigator, June-July 2016. Lower Hutt, N.Z.: GNS Science. GNS Science report 2016/50 iii, 56 p. doi:10.21420/G2KW23

Abstract: ECOSAT II (Eastern Coral Sea Tectonics II) was a 15 day Lautoka to Hobart transit voyage conducted on the R/V Investigator from 30th June to 14th July 2016. Some time was allocated to rock dredging during the transit as well as to water sampling and analysis by other specialists. A total of seven rock dredges were made on three parts of Fairway Ridge, west of New Caledonia. Underway gravity and multibeam bathymetry data were also collected. An estimated 900 kg of igneous and sedimentary rock was dredged off the seabed of which 102 kg was retained for further study and archiving. When dating of rocks is completed and interpretations of bathymetric and rock data are made, the results of the IN2016T01 survey will add to our knowledge of the tectonic and sedimentary basin evolution of the eastern Coral Sea-Fairway Ridge-New Caledonia Basin region of northern Zealandia. (auth)