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Journal articles on the topic 'Tectonics of Papua New Guinea'

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Author: Grafiati

Published: 10 December 2022

Last updated: 28 January 2023

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1

Klootwijk, Chris, John Giddings, Chris Pigram, Charles Loxton, Hugh Davies, Rick Rogerson, and David Falvey. "Papua New Guinea Highlands: palaeomagnetic constraints on terrane tectonics." Tectonophysics 362, no. 1-4 (February 2003): 239–72. http://dx.doi.org/10.1016/s0040-1951(02)00640-6.

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2

Davies, H. L., J. Lock, D. L. Tiffin, E. Honza, Y. Okuda, F. Murakami, and K. Kisimoto. "Convergent tectonics in the Huon Peninsula region, Papua New Guinea." Geo-Marine Letters 7, no. 3 (September 1987): 143–52. http://dx.doi.org/10.1007/bf02238044.

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3

Klootwijk, Chris, John Giddings, and Chris Pigram. "Palaeomagnetic constraints on terrane tectonics: Highlands and Sepik regions, Papua New Guinea." Exploration Geophysics 24, no. 2 (June 1993): 291–94. http://dx.doi.org/10.1071/eg993291.

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4

Galewsky, Joseph, Eli A. Silver, Christina D. Gallup, R. L. Edwards, and Donald C. Potts. "Foredeep tectonics and carbonate platform dynamics in the Huon Gulf, Papua New Guinea." Geology 24, no. 9 (1996): 819. http://dx.doi.org/10.1130/0091-7613(1996)024<0819:ftacpd>2.3.co;2.

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5

Cullen, Andrew B., and John D. Pigott. "Post-Jurassic tectonic evolution of Papua New Guinea." Tectonophysics 162, no. 3-4 (May 1989): 291–302. http://dx.doi.org/10.1016/0040-1951(89)90250-3.

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6

Benes, Vladimir, Steven D. Scott, and Ray A. Binns. "Tectonics of rift propagation into a continental margin: Western Woodlark Basin, Papua New Guinea." Journal of Geophysical Research: Solid Earth 99, B3 (March 10, 1994): 4439–55. http://dx.doi.org/10.1029/93jb02878.

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7

Jablonski, Dariusz, and Mark Ballesteros. "New Regional Data and Advances in Understanding of the Stratigraphy, Tectonics, Structure and Prospectivity of the Gulf of Papua (Papua New Guinea)." ASEG Extended Abstracts 2018, no. 1 (December 2018): 1. http://dx.doi.org/10.1071/aseg2018abt7_4a.

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8

Blenkinsop, Tom, Gerard Tripp, and Dave Gillen. "The relationship between mineralization and tectonics at the Kainantu gold–copper deposit, Papua New Guinea." Geological Society, London, Special Publications 453, no. 1 (October 26, 2017): 269–88. http://dx.doi.org/10.1144/sp453.11.

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9

Sweet, S., and E. A. Silver. "Tectonics and Slumping in the Source Region of the 1998 Papua New Guinea Tsunami from Seismic Reflection Images." Pure and Applied Geophysics 160, no. 10-11 (October 1, 2003): 1945–68. http://dx.doi.org/10.1007/s00024-003-2415-z.

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10

Baldwin, Suzanne L., Brian D. Monteleone, Laura E. Webb, Paul G. Fitzgerald, Marty Grove, and E. June Hill. "Pliocene eclogite exhumation at plate tectonic rates in eastern Papua New Guinea." Nature 431, no. 7006 (September 2004): 263–67. http://dx.doi.org/10.1038/nature02846.

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11

Abbott, Lon D. "Neogene tectonic reconstruction of the Adelbert-Finisterre-New Britain collision, northern Papua New Guinea." Journal of Southeast Asian Earth Sciences 11, no. 1 (January 1995): 33–51. http://dx.doi.org/10.1016/0743-9547(94)00032-a.

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12

Lindley, I. D. "Plate flexure and volcanism: Late Cenozoic tectonics of the Tabar–Lihir–Tanga–Feni alkalic province, New Ireland Basin, Papua New Guinea." Tectonophysics 677-678 (May 2016): 312–23. http://dx.doi.org/10.1016/j.tecto.2016.04.015.

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13

Chappell, John, Yoko Ota, and Colin Campbell. "Decoupling post-glacial tectonism and eustasy at Huon Peninsula, Papua New Guinea." Geological Society, London, Special Publications 146, no. 1 (1999): 31–40. http://dx.doi.org/10.1144/gsl.sp.1999.146.01.02.

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14

Holm, Robert J., Gideon Rosenbaum, and Simon W. Richards. "Post 8 Ma reconstruction of Papua New Guinea and Solomon Islands: Microplate tectonics in a convergent plate boundary setting." Earth-Science Reviews 156 (May 2016): 66–81. http://dx.doi.org/10.1016/j.earscirev.2016.03.005.

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15

Ghasemi, Hadi, Phil Cummins, Graeme Weatherill, Chris McKee, Martyn Hazelwood, and Trevor Allen. "Seismotectonic model and probabilistic seismic hazard assessment for Papua New Guinea." Bulletin of Earthquake Engineering 18, no. 15 (October 9, 2020): 6571–605. http://dx.doi.org/10.1007/s10518-020-00966-1.

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Abstract Papua New Guinea (PNG) lies in a belt of intense tectonic activity that experiences high levels of seismicity. Although this seismicity poses significant risks to society, the Building Code of PNG and its underpinning seismic loading requirements have not been revised since 1982. This study aims to partially address this gap by updating the seismic zoning map on which the earthquake loading component of the building code is based. We performed a new probabilistic seismic hazard assessment for PNG using the OpenQuake software developed by the Global Earthquake Model Foundation (Pagani et al. in Seism Res Lett 85(3):692–702, 2014). Among other enhancements, for the first time together with background sources, individual fault sources are implemented to represent active major and microplate boundaries in the region to better constrain the earthquake-rate and seismic-source models. The seismic-source model also models intraslab, Wadati–Benioff zone seismicity in a more realistic way using a continuous slab volume to constrain the finite ruptures of such events. The results suggest a high level of hazard in the coastal areas of the Huon Peninsula and the New Britain–Bougainville region, and a relatively low level of hazard in the southwestern part of mainland PNG. In comparison with the seismic zonation map in the current design standard, it can be noted that the spatial distribution of seismic hazard used for building design does not match the bedrock hazard distribution of this study. In particular, the high seismic hazard of the Huon Peninsula in the revised assessment is not captured in the current building code of PNG.

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16

Crowhurst, P. V., K. C. Hill, D. A. Foster, and A. P. Bennett. "Thermochronological and geochemical constraints on the tectonic evolution of northern Papua New Guinea." Geological Society, London, Special Publications 106, no. 1 (1996): 525–37. http://dx.doi.org/10.1144/gsl.sp.1996.106.01.33.

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17

Haig, D. W., and D. Medd. "Latest Miocene to Early Pliocene bathymetric cycles related to tectonism, Puri Anticline, Papuan Basin, Papua New Guinea." Australian Journal of Earth Sciences 43, no. 4 (August 1996): 451–65. http://dx.doi.org/10.1080/08120099608728267.

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18

Lahan, M. M., R. T. Verave, and P. Y. Irarue. "Geochemical study on hot-spring water in West New Britain Province, Papua New Guinea." Geothermal Energy Science 3, no. 1 (October 13, 2015): 61–67. http://dx.doi.org/10.5194/gtes-3-61-2015.

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<p><strong>Abstract.</strong> West New Britain Province, which occupies the western part of New Britain Island in Papua New Guinea, is ideally located within an active tectonic region that influences volcanism creating an environment favourable for geothermal activity. Geothermal mapping of surface manifestations reveals high temperature geothermal prospects along the northern coastline of West New Britain Province that are further confirmed by geochemical analysis. The occurrence of geothermal features is confined to the Quaternary Kimbe Volcanics and alluvium in the lowland areas. The features in Talasea appear to be controlled by deep-seated northerly trending faults while structures in Hoskins also appear to be deep seated but have not been identified. The geothermal systems in West New Britain Province have not been drilled, but preliminary reconnaissance geothermal mapping and geochemical analysis reveals four high temperature geothermal prospects suitable for further investigation and development of geothermal energy. These are the Pangalu (Rabili) and Talasea Station geothermal prospects in Talasea and Kasiloli (Magouru) and Silanga (Bakama and Sakalu) geothermal prospects in Hoskins. The calculated reservoir temperatures for these fields are in the range of 245–310 °C. Recommendations are made for further follow-up exploratory investigations.</p>

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19

Yang, Guangliang, Chongyang Shen, Jiapei Wang, Songbai Xuan, Guiju Wu, and Hongbo Tan. "Isostatic anomaly characteristics and tectonism of the New Britain Trench and neighboring Papua New Guinea." Geodesy and Geodynamics 9, no. 5 (September 2018): 404–10. http://dx.doi.org/10.1016/j.geog.2018.04.006.

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20

Smith, Ian E. M. "The chemical characterization and tectonic significance of ophiolite terrains in southeastern Papua New Guinea." Tectonics 32, no. 2 (March 2013): 159–70. http://dx.doi.org/10.1002/tect.20023.

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21

OTA, Yoko, and Kelvin R. BERRYMAN. "Coral Terraces on the Huon Peninsula, North Eastern Papua New Guinea. Outlines of Tectonic Setting, Seismicity and Tectonic Landforms of the Huon Peninsula, Papua New Guinea. Background for the study of coral terraces." Journal of Geography (Chigaku Zasshi) 104, no. 5 (1995): 646–64. http://dx.doi.org/10.5026/jgeography.104.5_646.

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22

Holm, Robert J., Simon Tapster, Hielke A. Jelsma, Gideon Rosenbaum, and Darren F. Mark. "Tectonic evolution and copper-gold metallogenesis of the Papua New Guinea and Solomon Islands region." Ore Geology Reviews 104 (January 2019): 208–26. http://dx.doi.org/10.1016/j.oregeorev.2018.11.007.

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23

Wells, Mark L., Geoffrey K. Vallis, and Eli A. Silver. "Tectonic processes in Papua New Guinea and past productivity in the eastern equatorial Pacific Ocean." Nature 398, no. 6728 (April 1999): 601–4. http://dx.doi.org/10.1038/19281.

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24

Hobson, D. M. "A THIN SKINNED MODEL FOR THE PAPUAN THRUST BELT AND SOME IMPLICATIONS FOR HYDROCARBON EXPLORATION." APPEA Journal 26, no. 1 (1986): 214. http://dx.doi.org/10.1071/aj85021.

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In the Papuan thrust belt the main risk in hydrocarbon exploration lies in identifying structural traps which are detached below the level of the primary reservoir. Because of the difficulty in obtaining usable seismic in the remote, inaccessible terrain, identification of prospects has been based on the interpretation of structural cross-sections drawn from geological maps. The structural models commonly used have been geometrically inadmissible, and as a result, some wells have penetrated thrusts at depth, before reaching the reservoir horizon.More rigorously constrained regional cross sections through the thrust belt may be constructed using the principles of thin skinned tectonics. These may be used to identify structural provinces, characterised by different types of thrust pattern. In turn, the probability of reservoir involvement in a particular structure is directly related to its location in a particular province.The cross-sections show that there has been as much as 100 km of shortening in the hinterland of the thrust belt. Restored versions of the cross sections may be used to reconstruct the shape of the basin and ideally to identify regions favourable for source and reservoir sediment distribution. In Papua New Guinea, palinspastic maps are currently feasible only for Miocene strata, but with the present level of exploration activity increased stratigraphic information should soon permit reconstructions for older formations.

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25

Peng, Nana, Haowen Dang, Jiawang Wu, Ivano W. Aiello, and Zhimin Jian. "Tectonic and climatic controls on the Plio-Pleistocene evolution of sediment discharge from Papua New Guinea." Marine Geology 441 (November 2021): 106627. http://dx.doi.org/10.1016/j.margeo.2021.106627.

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26

Pandolfi, John M., Mairi M. R. Best, and Stephen P. Murray. "Coseismic event of May 15, 1992, Huon Peninsula, Papua New Guinea: Comparison with Quaternary tectonic history." Geology 22, no. 3 (1994): 239. http://dx.doi.org/10.1130/0091-7613(1994)022<0239:ceomhp>2.3.co;2.

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27

Zhu, Z., J. F. Marshall, and J. Chappell. "Effects of differential tectonic uplift on Late Quaternary coral reef diagenesis, Huon Peninsula, Papua New Guinea." Australian Journal of Earth Sciences 41, no. 5 (October 1994): 463–74. http://dx.doi.org/10.1080/08120099408728156.

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28

Baldwin, Suzanne L., Gordon S. Lister, E. June Hill, David A. Foster, and Ian McDougall. "Thermochronologic constraints on the tectonic evolution of active metamorphic core complexes, D'entrecasteaux Islands, Papua New Guinea." Tectonics 12, no. 3 (June 1993): 611–28. http://dx.doi.org/10.1029/93tc00235.

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29

Pigram, C. J., P. J. Davies, D. A. Feary, and P. A. Symonds. "Tectonic controls on carbonate platform evolution in southern Papua New Guinea: Passive margin to foreland basin." Geology 17, no. 3 (1989): 199. http://dx.doi.org/10.1130/0091-7613(1989)017<0199:tcocpe>2.3.co;2.

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30

Worthing, M. A. "Petrology and tectonic setting of blueschist facies metabasites from the Emo Metamorphics of Papua New Guinea." Australian Journal of Earth Sciences 35, no. 2 (June 1988): 159–68. http://dx.doi.org/10.1080/14400958808527937.

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31

Galewsky, Joseph, and Eli A. Silver. "Tectonic controls on facies transitions in an oblique collision: The western Solomon Sea, Papua New Guinea." Geological Society of America Bulletin 109, no. 10 (October 1997): 1266–78. http://dx.doi.org/10.1130/0016-7606(1997)109<1266:tcofti>2.3.co;2.

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32

Polhemus, Dan A., and John T. Polhemus. "The Trepobatinae (Gerridae) of New Guinea and surrounding regions, with a review of the world fauna. Part 6. Phylogeny, biogeography, world checklist, bibliography and final taxonomic addenda." Insect Systematics & Evolution 33, no. 3 (2002): 253–90. http://dx.doi.org/10.1163/187631202x00154.

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AbstractThe small waterstriders of the subfamily Trepobatinae have radiated extensively on New Guinea and surrounding archipelagos. The present contribution is the sixth in a series of reports dealing with this endemic fauna, and presents a cladistic analysis at the generic level for the subfamily, a biogeographic analysis, a world checklist, a complete bibliography, and final taxonomic addenda. The taxonomic appendix contains new distributional records for Stygiobates mubi Polhemus & Polhemus, and descriptions of the following new taxa: the new genus Talaudia to hold the previously described Andersenella nilsi Chen & Nieser from the Talaud Archipelago; Metrobatoides bifurcatus sp. n. from northern central Irian Jaya; and Iobates ivimka sp. n. from southern Papua New Guinea. The current cladistic analysis supports the previously proposed tribal classification, with the Metrobatini, Trepobatini, Naboandelini, and Stenobatini all resolved as discrete monophyletic groups. Our cladistic and biogeographic analyses also suggest that the current distribution of trepobatine genera in the New Guinea region has been strongly influenced by past tectonic events, most notably the accretion of island arc terranes derived from the Solomons and Halmahera arc systems. This has led to distinct areas of freshwater and marine endemism among the Metrobatini and Stenobatini in the areas surrounding Halmahera, the Vogelkop Peninsula, and northeastern New Guinea plus nearby islands. By contrast, the distribution of Naboandelini in the New Guinea region suggests a vicariance pattern with Australia across the Torres Strait.

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33

McInnes, Brent I. A., Jannene S. McBride, Noreen J. Evans, David D. Lambert, and Anita S. Andrew. "Osmium Isotope Constraints on Ore Metal Recycling in Subduction Zones." Science 286, no. 5439 (October 15, 1999): 512–16. http://dx.doi.org/10.1126/science.286.5439.512.

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Veined peridotite xenoliths from the mantle beneath the giant Ladolam gold deposit on Lihir Island, Papua New Guinea, are 2 to 800 times more enriched in copper, gold, platinum, and palladium than surrounding depleted arc mantle. Gold ores have osmium isotope compositions similar to those of the underlying subduction-modified mantle peridotite source region, indicating that the primary origin of the metals was the mantle. Because the mantle is relatively depleted in gold, copper, and palladium, tectonic processes that enhance the advective transport and concentration of these fluid soluble metals may be a prerequisite for generating porphyry-epithermal copper-gold deposits.

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34

Worthing, M. A., and M. A. Bennett. "Geochemistry, mineralogy and tectonic setting of deerite‐bearing meta‐ironstones from the Emo Metamorphics of Papua New Guinea." Australian Journal of Earth Sciences 35, no. 1 (March 1988): 29–38. http://dx.doi.org/10.1080/08120098808729437.

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35

Tregoning, P., M. Sambridge, H. McQueen, S. Toulmin, and T. Nicholson. "Tectonic interpretation of aftershock relocations in eastern Papua New Guinea using teleseismic data and the arrival pattern method." Geophysical Journal International 160, no. 3 (March 2005): 1103–11. http://dx.doi.org/10.1111/j.1365-246x.2005.02567.x.

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36

Goldsmith, Peter, Alastair Barnett, James Goff, Mauri McSaveney, Scott Elliot, and Michael Nongkas. "Report of the New Zealand reconnaissance team to the area of the 17 July 1998 tsunami at Sissano Lagoon, Papua New Guinea." Bulletin of the New Zealand Society for Earthquake Engineering 32, no. 2 (June 30, 1999): 102–18. http://dx.doi.org/10.5459/bnzsee.32.2.102-118.

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A Mw 7.1 earthquake off the north coast of New Guinea, generated a locally very destructive tsunami at 08:49 17th July 1998 UTC (6:49 PM local time). More than 2189 people died, and no structures were left standing along 19 km of coast. A reconnaissance team from the N.Z. Society for Earthquake Engineering visited the area a month after the event. Over three days, they examined effects of the tsunami on structures and landforms, measured profiles and sampled deposits. A fast moving wall of sand-laden water left fishing nets and other detritus in trees up to 17.5 m above sea level. Concrete was stripped to the reinforcing, and some trees were ripped out and carried more than a kilometre. The team saw evidence of new subsidence of -300-400 mm on the landward side of the spit fronting Sissano Lagoon. The site is in an active sedimentary basin, the Aitape Trough with 4,500-m thickness of Neogene sediments, between the Bewani fault zone and the Wewak Trench. The area may have subsided 3 times this century. In situ stumps of drowned trees in the lagoon record one of the earlier events. The low-angle Harvard University CMT solution (Mw 7.1, depth -6.0 km, -10° landward dip on fault with northward displacement) is consistent with the tectonic setting and pattern of aftershocks. Elastic modelling of the energy release with -2 m horizontal displacement over 600 km2, suggests -400 mm subsidence (landward) and -600 mm uplift (seaward in >3 km water depth). The team suggests that convergent flow of the displaced water into the area of subsidence focused wave energy on the coast and generated the locally very high wave. The spit fronting Sissano Lagoon is unsafe for habitation. There is potential for coseismic coastal subsidence to focus tsunami in other areas with similar tectonic settings. This potential suggests that both eastern and western New Zealand coasts have a serious hazard from local tsunami that is presently underestimated for the western coastline because of the lack of historical occurrences.

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37

Benes, Vladimir, Natasha Bocharova, Eduard Popov, Steven D. Scott, and Lev Zonenshain. "Geophysical and morpho-tectonic study of the transition between seafloor spreading and continental rifting, western Woodlark Basin, Papua New Guinea." Marine Geology 142, no. 1-4 (October 1997): 85–98. http://dx.doi.org/10.1016/s0025-3227(97)00042-x.

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38

Park, Sung-Hyun, Sang-Mook Lee, Sung-Tack Kwon, and Kyeong Yong Lee. "Origin of subduction components beneath the south east rift in the Manus Basin, Papua New Guinea and its tectonic implications." Geochimica et Cosmochimica Acta 70, no. 18 (August 2006): A471. http://dx.doi.org/10.1016/j.gca.2006.06.1404.

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39

Mosusu, Nathan, Angela Bokuik, Michael Petterson, and Robert Holm. "Stream Sediment Datasets and Geophysical Anomalies: A Recipe for Porphyry Copper Systems Identification—The Eastern Papuan Peninsula Experience." Geosciences 11, no. 7 (July 20, 2021): 299. http://dx.doi.org/10.3390/geosciences11070299.

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Airborne magnetic and radiometric datasets have, over the past few years, become powerful tools in the identification of porphyry systems which may host economic porphyry copper–gold–molybdenum ore bodies. Magnetisation contrasts with the unaltered host rocks, coupled with the elevated radiometric signature, compared to the host rock, makes identification of large-scale porphyry copper systems possible. Integrating these two different datasets with stream sediment data and other geochemical exploration methods results in a higher degree of confidence. Stream sediment data were analysed to see the distribution of copper and gold elements throughout the study area, located within the Eastern Papuan Peninsula of Papua New Guinea. Airborne geophysics data over the same area were also processed for magnetic and radiometric responses. The processing of the magnetic data revealed several magnetic anomalies related to concealed intrusive rock units, with associated radiometric signatures. The distribution of gold and copper anomalism was correlated with the geology and geophysical signatures. Results indicate varying degrees of correlation, with some areas showing a strong correlation between gold/copper occurrence and geophysical signatures, compared to other areas. Some factors that we believe impact the level of correlation may include tectonic history, volcanic cover, and weathering patterns. We recommend caution when applying multi-data exploration for porphyry copper systems.

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40

Aiello, I. W., S. C. Bova, A. E. Holbourn, D. K. Kulhanek, A. C. Ravelo, and Y. Rosenthal. "Climate, sea level and tectonic controls on sediment discharge from the Sepik River, Papua New Guinea during the Mid- to Late Pleistocene." Marine Geology 415 (September 2019): 105954. http://dx.doi.org/10.1016/j.margeo.2019.05.013.

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41

Fitz, Guy, and Paul Mann. "Tectonic uplift mechanism of the Goodenough and Fergusson Island gneiss domes, eastern Papua New Guinea: Constraints from seismic reflection and well data." Geochemistry, Geophysics, Geosystems 14, no. 10 (October 2013): 3969–95. http://dx.doi.org/10.1002/ggge.20208.

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42

Hughes Clarke, John E., Keith A. W. Crook, Donald R. Montgomery, Keyu Liu, Gregory P. Whitmore, and David P. Johnson. "Combining AIRSAR data of Huon peninsula and Hawaii MR1 data of Huon Gulf, Papua New Guinea, for studies of tectonic and sedimentary processes." Marine Geodesy 21, no. 2 (January 1998): 111–28. http://dx.doi.org/10.1080/01490419809388128.

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43

Österle, J. E., D. Seward, D. F. Stockli, T. A. Little, J. S. Rooney, S. M. Gordon, E. Smith, and K. C. Gordon. "The thermo-tectonic evolution of the actively exhuming Mai'iu Fault footwall – Suckling-Dayman metamorphic core complex – in the Woodlark Rift of Papua New Guinea." Tectonophysics 811 (July 2021): 228856. http://dx.doi.org/10.1016/j.tecto.2021.228856.

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44

Stolz, A. J., G. R. Davies, A. J. Crawford, and I. E. M. Smith. "Sr, Nd and Pb isotopic compositions of calc-alkaline and peralkaline silicic volcanics from the D'Entrecasteaux Islands, Papua New Guinea, and their tectonic significance." Mineralogy and Petrology 47, no. 2-4 (1992): 103–26. http://dx.doi.org/10.1007/bf01161562.

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45

Kânoğlu, Utku, Vasily V. Titov, Baran Aydın, Christopher Moore, Themistoklis S. Stefanakis, Hongqiang Zhou, Michael Spillane, and Costas E. Synolakis. "Focusing of long waves with finite crest over constant depth." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 469, no. 2153 (May 8, 2013): 20130015. http://dx.doi.org/10.1098/rspa.2013.0015.

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Tsunamis are long waves that evolve substantially, through spatial and temporal spreading from their source region. Here, we introduce a new analytical solution to study the propagation of a finite strip source over constant depth using linear shallow-water wave theory. This solution is not only exact, but also general and allows the use of realistic initial waveforms such as N -waves. We show the existence of focusing points for N -wave-type initial displacements, i.e. points where unexpectedly large wave heights may be observed. We explain the effect of focusing from a strip source analytically, and explore it numerically. We observe focusing points using linear non-dispersive and linear dispersive theories, analytically; and nonlinear non-dispersive and weakly nonlinear weakly dispersive theories, numerically. We discuss geophysical implications of our solutions using the 17 July 1998 Papua New Guinea and the 17 July 2006 Java tsunamis as examples. Our results may also help to explain high run-up values observed during the 11 March 2011 Japan tsunami, which are otherwise not consistent with existing scaling relationships. We conclude that N -waves generated by tectonic displacements feature focusing points, which may significantly amplify run-up beyond what is often assumed from widely used scaling relationships.

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46

Worthing, M. A., and A. J. Crawford. "The igneous geochemistry and tectonic setting of metabasites from the emo metamorphics, Papua New Guinea; A record of the evolution and destruction of a backarc basin." Mineralogy and Petrology 58, no. 1-2 (1996): 79–100. http://dx.doi.org/10.1007/bf01165765.

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47

Franz, Leander, and Richard Wirth. "Spinel inclusions in olivine of peridotite xenoliths from TUBAF seamount (Bismarck Archipelago/Papua New Guinea): evidence for the thermal and tectonic evolution of the oceanic lithosphere." Contributions to Mineralogy and Petrology 140, no. 3 (December 2000): 283–95. http://dx.doi.org/10.1007/s004100000188.

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Jønsson, Knud A., Jon Fjeldså, Per G. P. Ericson, and Martin Irestedt. "Systematic placement of an enigmatic Southeast Asian taxon Eupetes macrocerus and implications for the biogeography of a main songbird radiation, the Passerida." Biology Letters 3, no. 3 (March 8, 2007): 323–26. http://dx.doi.org/10.1098/rsbl.2007.0054.

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Abstract:

Biogeographic connections between Australia and other continents are still poorly understood although the plate tectonics of the Indo-Pacific region is now well described. Eupetes macrocerus is an enigmatic taxon distributed in a small area on the Malay Peninsula and on Sumatra and Borneo. It has generally been associated with Ptilorrhoa in New Guinea on the other side of Wallace's Line, but a relationship with the West African Picathartes has also been suggested. Using three nuclear markers, we demonstrate that Eupetes is the sister taxon of the South African genus Chaetops , and their sister taxon in turn being Picathartes , with a divergence in the Eocene. Thus, this clade is distributed in remote corners of Africa and Asia, which makes the biogeographic history of these birds very intriguing. The most parsimonious explanation would be that they represent a relictual basal group in the Passerida clade established after a long-distance dispersal from the Australo-Papuan region to Africa. Many earlier taxonomic arrangements may have been based on assumptions about relationships with similar-looking forms in the same, or adjacent, biogeographic regions, and revisions with molecular data may uncover such cases of neglect of ancient relictual patterns reflecting past connections between the continents.

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Florence, Angus, Mike Dow, George Shieh, and JV Babu. "Four-well comparison in Papua New Guinea: high-risk, high-angle wells demonstrate extended wellbore stability and faster drilling time with inhibitive high-performance water-based fluid." APPEA Journal 51, no. 1 (2011): 119. http://dx.doi.org/10.1071/aj10007.

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Abstract:

A four-well project located onshore Papua New Guinea provided an opportunity to compare the performance of two inhibitive drilling fluids in the problematic 12¼” interval. Wells A and B were drilled using a conventional KCl/glycol fluid. Wells C and D used a high-performance water-based fluid (HPWBF) containing a shale inhibitor that also provides lubricity. All four wells were drilled with the same rig. The base brine for both fluids was KCl. All hole sections were directionally drilled from vertical to near horizontal by section TD through a claystone interval. Tectonic wellbore breakout was present in all four wells, and the position of the breakout in the wellbore varied from well to well. Well A was regarded as the easiest well to drill due to the breakout being on the sides on the inclined well bore (horizontal), and Well D was regarded as being the most difficult well to drill due to the breakout being located directly on the top and bottom of the wellbore (vertical). Performance comparisons were made using on bottom rates of penetration, tripping times, casing running times, and overall hole section costs. These data have been normalised to remove non hole related NPT events. The KCl/glycol system provided sufficient wellbore stability in Wells A and B with horizontal breakouts and with non-optimal breakouts with very limited openhole exposure. For higher risk wells C and D with non-optimal breakout positions however, the HPWBF offered improved reliability and ensured there was no performance decline. Outstanding performance occurred in Well D where the HPWBF maintained good wellbore stability over a 56-day exposure. Although the KCl/glycol fluid had a lower cost/bbl, improved overall cost savings were achieved by using the HPWBF in the high-risk wells. This paper addresses all operations performed while drilling and casing the 12¼” interval. Possible causes for performance differences are evaluated, taking into account that mud systems represent only one variable. As other variables were introduced progressively, it was possible to back these out to determine mud system effectiveness.

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Van Wyck, N., and I. S. Williams. "Age and provenance of basement metasediments from the Kubor and Bena Bena Blocks, central Highlands, Papua New Guinea: Constraints on the tectonic evolution of the northern Australian cratonic margin." Australian Journal of Earth Sciences 49, no. 3 (June 2002): 565–77. http://dx.doi.org/10.1046/j.1440-0952.2002.00938.x.

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