Academic literature on the topic 'Geology Vanuatu'

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Journal articles on the topic "Geology Vanuatu"

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Gunn, P. J., J. Mitchell, P. Pieters, and S. Temakon. "The Vanuatu Mineral Exploration Initiative." Exploration Geophysics 28, no. 1-2 (March 1997): 209–13. http://dx.doi.org/10.1071/eg997209.

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Meffre, Sebastien, and Anthony J. Crawford. "Collision tectonics in the New Hebrides arc (Vanuatu)." Island Arc 10, no. 1 (March 2001): 33–50. http://dx.doi.org/10.1046/j.1440-1738.2001.00292.x.

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WELLS, ALICE, and KJELL ARNE JOHANSON. "Micro-caddisfly faunas of Australia and the southwest Pacific (Trichoptera, Hydroptilidae)." Zoosymposia 10, no. 1 (August 9, 2016): 439–50. http://dx.doi.org/10.11646/zoosymposia.10.1.41.

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Today's distributions of faunal groups reflect historic events—geological and evolutionary, as well as dispersals, extinctions and chance events. The extent to which each of these contributed to the hydroptilid faunas of mainland Australia, Tasmania, New Guinea, New Zealand, New Caledonia, Fiji and Vanuatu is explored by comparison of the faunal composition, geology and geography of Australia and these SW Pacific islands. Corroborative evidence is sought from other groups, flora as well as fauna.
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Heyworth, Z., K. M. Knesel, S. P. Turner, and R. J. Arculus. "Pb-isotopic evidence for rapid trench-parallel mantle flow beneath Vanuatu." Journal of the Geological Society 168, no. 1 (January 2011): 265–71. http://dx.doi.org/10.1144/0016-76492010-054.

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Baillard, Christian, Wayne C. Crawford, Valérie Ballu, Bernard Pelletier, and Esline Garaebiti. "Tracking subducted ridges through intermediate-depth seismicity in the Vanuatu subduction zone." Geology 46, no. 9 (July 19, 2018): 767–70. http://dx.doi.org/10.1130/g45010.1.

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McConachy, Timothy F., Richard J. Arculus, Christopher J. Yeats, Raymond A. Binns, Fernando J. A. S. Barriga, Brent I. A. McInnes, Stephen Sestak, Robina Sharpe, Brooks Rakau, and Tony Tevi. "New hydrothermal activity and alkalic volcanism in the backarc Coriolis Troughs, Vanuatu." Geology 33, no. 1 (2005): 61. http://dx.doi.org/10.1130/g20870.1.

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Kotra, K. K., S. Bathula, and E. Sami. "Delineation of Groundwater Salinity Zones in Shefa and Malampa Provinces, Vanuatu." Nature Environment and Pollution Technology 21, no. 2 (June 1, 2022): 803–12. http://dx.doi.org/10.46488/nept.2022.v21i02.045.

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A preliminary assessment was carried out in identifying the salinity zones due to considerable concern over salty groundwater resources in Vanuatu’s Shefa and Malampa regions. Electrical conductivity (EC) and pH were measured on the islands of Efate, Lamen, and Nguna in Shefa province, as well as the islands of Ambrym and Paama in Malampa province. Thirty-four percent of the samples exceeded Vanuatu’s National Drinking Water Standards with an average of 3123 μS/Cm indicating possible salinity zones. Whereas the average pH of 7.21 was in the range of acceptable levels. EC values as high as 18,520 μS/cm indicate groundwater in some locations are unfit for drinking. The average Total Dissolved Solids (TDS) of 1717 mg.L-1 is also indicating non-compliance with standards. Salinity zone maps were developed based on the observations. Further detailed studies need to be conducted to ascertain the factors that influence groundwater salinity, such as geology, island type, and seasonality.
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Hallwright, Joshua, and John Handmer. "Accountability and transparency in disaster aid: Cyclone Pam in Vanuatu." International Journal of Disaster Risk Reduction 36 (May 2019): 101104. http://dx.doi.org/10.1016/j.ijdrr.2019.101104.

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Niroa, John Junior, and Naohiro Nakamura. "Volcanic disaster risk reduction in indigenous communities on Tanna Island, Vanuatu." International Journal of Disaster Risk Reduction 74 (May 2022): 102937. http://dx.doi.org/10.1016/j.ijdrr.2022.102937.

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Neef, Gerrit, and Chris Hendy. "Late Pleistocene-Holocene Acceleration of Uplift Rate in Southwest Erromango Island, Southern Vanuatu, South Pacific: Relation to the Growth of the Vanuatuan Mid Sedimentary Basin." Journal of Geology 96, no. 4 (July 1988): 481–94. http://dx.doi.org/10.1086/629242.

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Dissertations / Theses on the topic "Geology Vanuatu"

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Hartsock, Tanner. "Magma evolution, P-T conditions and volatile degassing of a steady-state volcano: Yasur, Vanuatu." Thesis, University of Iowa, 2019. https://ir.uiowa.edu/etd/6757.

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Yasur is an active scoria cone volcano in the Siwi Caldera on the island of Tanna, Vanuatu, in the South Pacific. This volcano has been erupting continuously for the last 800 years and is the latest manifestation of episodic volcanic activity in this area dating back to the late Pliocene. Yasur eruptions consist of intermittent Strombolian-style explosions of pyroclastic debris with emissions of volatiles such as SO₂, HCl and HF. Other than CO2 and H2O, the most abundant gas emitted from Yasur is sulfur, and plume monitoring has confirmed the volcano as one of the largest point sources of sulfur on the planet with an average flux of 600-1400 tons/day. Fluorine poses a chronic environmental health risk on Tanna, so understanding long-term exposure rates as well as periodic increases in volcanic intensity will help to better quantify its risk. In this study we gauge compositional variation of magma using fresh pyroclastic bombs collected over a 3-month period from August to November, 2016. Our results suggest long-term broad compositional stability in both the whole-rock and groundmass glass and minerals. Our results show slight variation in volatile phases in both olivine-hosted melt inclusions and groundmass glass over an intensively sampled 3-month period, which suggests that the plumbing beneath Yasur harbors an open-system degassing environment. Volcanic eruptions are usually driven by magma mixing, however, our results show no compositional variation in phenocrysts. We show that Yasur is an excellent example of an inefficiently degassed volcano, and that volcanic activity is controlled by volatile flux. We also use cotectic compositional data to calculate pressure and temperature conditions within the magma chamber and assess fluxes of volatiles from the magma using melt inclusion analyses for S and Cl. Our study places new bounds on the vertical extent of the magma chamber and suggests differentiation from a basaltic trachyandesite at depths of up to 12 km.
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Patterson, Desmond Bruce. "Noble gas geochemistry of selected basalts and andesites : New Zealand, Tonga-Kermadec and Vanuatu." Phd thesis, 1992. http://hdl.handle.net/1885/140350.

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Books on the topic "Geology Vanuatu"

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Geology and offshore resources of Pacific island arcs--Vanuatu region. Houston, Tex., U.S.A: Circum-Pacific Council for Energy and Mineral Resources, 1988.

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Book chapters on the topic "Geology Vanuatu"

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Dauvergne, Peter. "Sailing into the Anthropocene." In Environmentalism of the Rich. The MIT Press, 2016. http://dx.doi.org/10.7551/mitpress/9780262034951.003.0002.

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Chapters 2–6 survey the political and socioeconomic forces underlying the global sustainability crisis. Understanding the scale and depth of contemporary forces of capitalism and consumerism requires a close look at the consequences of imperialism and colonialism on patterns of violence and exploitation. This chapter begins this process of understanding by sketching the history of ecological imperialism after 1600, seeing this as a reasonable starting date for the beginning of what many scholars are now calling the Anthropocene Epoch (or the age of humans, replacing the geologic epoch of the Holocene beginning 12,000 years ago). It opens with Captain Pedro Fernandes de Queirós’s voyage across the Pacific Ocean in 1605–06 to “discover” modern-day Vanuatu, before turning to look more globally at the devastation of imperialism – and later colonialism – for the South Pacific, the Americas, Africa, and Asia. Over this time conquerors enslaved and murdered large numbers of indigenous people; cataclysmic change came as well, however, from the introduction of European diseases, plants, and animals. This chapter’s survey of imperialism, colonialism, and globalization sets the stage for Chapter 3, which explores the devastating history of the South Pacific island of Nauru after 1798.
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