Geological–Tectonic Framework of Solomon Islands, SW Pacific
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Hikurangi Plateau: Crustal Structure, Rifted Formation, and Gondwana Subduction History
Article Geochemistry 3 Volume 9, Number 7 Geophysics 3 July 2008 Q07004, doi:10.1029/2007GC001855 GeosystemsG G ISSN: 1525-2027 AN ELECTRONIC JOURNAL OF THE EARTH SCIENCES Published by AGU and the Geochemical Society Click Here for Full Article Hikurangi Plateau: Crustal structure, rifted formation, and Gondwana subduction history Bryan Davy Institute of Geological and Nuclear Sciences, P.O. Box 30368, Lower Hutt, New Zealand ([email protected]) Kaj Hoernle IFM-GEOMAR, Wischhofstraße 1-3, D-24148 Kiel, Germany Reinhard Werner Tethys Geoconsulting GmbH, Wischhofstraße 1-3, D-24148 Kiel, Germany [1] Seismic reflection profiles across the Hikurangi Plateau Large Igneous Province and adjacent margins reveal the faulted volcanic basement and overlying Mesozoic-Cenozoic sedimentary units as well as the structure of the paleoconvergent Gondwana margin at the southern plateau limit. The Hikurangi Plateau crust can be traced 50–100 km southward beneath the Chatham Rise where subduction cessation timing and geometry are interpreted to be variable along the margin. A model fit of the Hikurangi Plateau back against the Manihiki Plateau aligns the Manihiki Scarp with the eastern margin of the Rekohu Embayment. Extensional and rotated block faults which formed during the breakup of the combined Manihiki- Hikurangi plateau are interpreted in seismic sections of the Hikurangi Plateau basement. Guyots and ridge- like seamounts which are widely scattered across the Hikurangi Plateau are interpreted to have formed at 99–89 Ma immediately following Hikurangi Plateau jamming of the Gondwana convergent margin at 100 Ma. Volcanism from this period cannot be separately resolved in the seismic reflection data from basement volcanism; hence seamount formation during Manihiki-Hikurangi Plateau emplacement and breakup (125–120 Ma) cannot be ruled out. -
Food Security and Asset Creation in Solomon Islands: Gender and the Political Economy of Agricultural Production for Honiara Central Market
PORTAL Journal of RESEARCH ARTICLE Multidisciplinary Food Security and Asset Creation in Solomon International Studies Islands: Gender and the Political Economy of Vol. 16, No. 1/2 2019 Agricultural Production for Honiara Central Market Nichole Georgeou1, Charles Hawksley2, James Monks3, Melina Ki’i4 © 2019 by the author(s). This 1 Humanitarian and Development Research Initiative (HADRI), Western Sydney University is an Open Access article 2 University of Wollongong distributed under the terms 3 HADRI, Western Sydney University of the Creative Commons 4 HADRI, Western Sydney University Attribution 4.0 International (CC BY 4.0) License (https:// creativecommons.org/licenses/ Corresponding author: Associate Professor Nichole Georgeou, Humanitarian and Development by/4.0/), allowing third parties Research Initiative (HADRI), Western Sydney University, Locked Bag 1797, Penrith NSW 2751, to copy and redistribute the Australia. Email: [email protected] material in any medium or format and to remix, DOI: http://dx.doi.org/10.5130/portalv16i1/2.6542 transform, and build upon the material for any purpose, even Article History: Received 04/04/2019; Revised 13/08/2019; Accepted 16/08/2019; Published commercially, provided the 13/11/2019 original work is properly cited and states its license. Citation: Georgeou, N., Abstract Hawksley, C., Monks, J. and Ki'i, M. 2019. Food This article presents data from a 2017 survey of vendors selling fresh produce at the Honiara Security and Asset Creation in Solomon Islands: Gender Central Market (HCM) over a twelve-week period from July–September. It aims to and the Political Economy understand the economic contribution of vendors, and in particular of producer-vendors, of Agricultural Production to their communities. -
Rice and Tea, Fish and Taro: Sikaiana Migration to Honiara
donner.fm Page 23 Thursday, June 13, 2002 1:13 PM RICE AND TEA, FISH AND TARO: SIKAIANA MIGRATION TO HONIARA William W. Donner Kutztown University For the past seventy years, the people from Sikaiana in the Solomon Islands have been migrating away from their atoll. After World War II, most Sikaiana mi- grants settled in Honiara, the capital of the Solomon Islands, located on Guadal- canal Island. Several generations of Sikaiana people have matured in Honiara, and, during my stays in the 1980s, the Sikaiana population in Honiara outnum- bered the population on Sikaiana. In Honiara, Sikaiana migrants have developed many activities that bring them together as a community, including a residential settlement, funerals, wedding exchanges, and fund-raising events. Sikaiana people living on the atoll form a small face-to-face community of biographically known others. Sikaiana migrants in Honiara have developed institutions and events that maintain this kind of intimate community, but economic and demographic factors are not stable, and the lives of migrants are changing in ways that may alter their communal activities. Collective ownership is being replaced by individual owner- ship, generalized reciprocity is replaced by new market relations, and most Sikai- ana migrants are now dependent on earning wages in an uncertain economy and social system. Polopolo mai te tinana koe ka hano ki Tapuaki Sulu tahi ki too sikulu ko he naenae noa i te kuki I promised your mother to make you go to school. Always study hard so that you will not end up making yourself tired working as some white man’s cook. -
Ethnography of Ontong Java and Tasman Islands with Remarks Re: the Marqueen and Abgarris Islands
PACIFIC STUDIES Vol. 9, No. 3 July 1986 ETHNOGRAPHY OF ONTONG JAVA AND TASMAN ISLANDS WITH REMARKS RE: THE MARQUEEN AND ABGARRIS ISLANDS by R. Parkinson Translated by Rose S. Hartmann, M.D. Introduced and Annotated by Richard Feinberg Kent State University INTRODUCTION The Polynesian outliers for years have held a special place in Oceanic studies. They have figured prominently in discussions of Polynesian set- tlement from Thilenius (1902), Churchill (1911), and Rivers (1914) to Bayard (1976) and Kirch and Yen (1982). Scattered strategically through territory generally regarded as either Melanesian or Microne- sian, they illustrate to varying degrees a merging of elements from the three great Oceanic culture areas—thus potentially illuminating pro- cesses of cultural diffusion. And as small bits of land, remote from urban and administrative centers, they have only relatively recently experienced the sustained European contact that many decades earlier wreaked havoc with most islands of the “Polynesian Triangle.” The last of these characteristics has made the outliers particularly attractive to scholars interested in glimpsing Polynesian cultures and societies that have been but minimally influenced by Western ideas and Pacific Studies, Vol. 9, No. 3—July 1986 1 2 Pacific Studies, Vol. 9, No. 3—July 1986 accoutrements. For example, Tikopia and Anuta in the eastern Solo- mons are exceptional in having maintained their traditional social structures, including their hereditary chieftainships, almost entirely intact. And Papua New Guinea’s three Polynesian outliers—Nukuria, Nukumanu, and Takuu—may be the only Polynesian islands that still systematically prohibit Christian missionary activities while proudly maintaining important elements of their old religions. -
Playing Jigsaw with Large Igneous Provinces a Plate Tectonic
PUBLICATIONS Geochemistry, Geophysics, Geosystems RESEARCH ARTICLE Playing jigsaw with Large Igneous Provinces—A plate tectonic 10.1002/2015GC006036 reconstruction of Ontong Java Nui, West Pacific Key Points: Katharina Hochmuth1, Karsten Gohl1, and Gabriele Uenzelmann-Neben1 New plate kinematic reconstruction of the western Pacific during the 1Alfred-Wegener-Institut Helmholtz-Zentrum fur€ Polar- und Meeresforschung, Bremerhaven, Germany Cretaceous Detailed breakup scenario of the ‘‘Super’’-Large Igneous Province Abstract The three largest Large Igneous Provinces (LIP) of the western Pacific—Ontong Java, Manihiki, Ontong Java Nui Ontong Java Nui ‘‘Super’’-Large and Hikurangi Plateaus—were emplaced during the Cretaceous Normal Superchron and show strong simi- Igneous Province as result of larities in their geochemistry and petrology. The plate tectonic relationship between those LIPs, herein plume-ridge interaction referred to as Ontong Java Nui, is uncertain, but a joined emplacement was proposed by Taylor (2006). Since this hypothesis is still highly debated and struggles to explain features such as the strong differences Correspondence to: in crustal thickness between the different plateaus, we revisited the joined emplacement of Ontong Java K. Hochmuth, [email protected] Nui in light of new data from the Manihiki Plateau. By evaluating seismic refraction/wide-angle reflection data along with seismic reflection records of the margins of the proposed ‘‘Super’’-LIP, a detailed scenario Citation: for the emplacement and the initial phase of breakup has been developed. The LIP is a result of an interac- Hochmuth, K., K. Gohl, and tion of the arriving plume head with the Phoenix-Pacific spreading ridge in the Early Cretaceous. The G. -
South Malaita
Ministry of Environment, Climate Change, Disaster Management & Meteorology Post Office Box 21 Honiara Solomon Islands Phone: (677) 27937/ 27936, Mobile: 7495895/ 7449741 Fax: (677) 24293 and 27060. e-mail : [email protected] and [email protected] 6 FEBRUARY TEMOTU EARTHQUAKE AND TSUNAMI SI NDMO/NEOC SITUATION REPORT NUMBER 05 Event 8.0 Earthquake and tsunami near Santa Cruz Islands, Temotu Province. SITREP No. 05 Date: 11/2/2013 Time Issued: 1800 Hrs Next Update: 1800hrs - 12/02/2013 From: NEOC/NDMO To: N-DOC & NDC Chairs and Members, P-DOC and PDC Chairs and Members, PEOCs Copies: NDMO Stakeholders, Donor Partners, Local & International NGOs, UN Agencies, Diplomatic Agencies, SIRPF, SIRC and SI Government Ministries and all SI Government Overseas Missions Situation New information highlighted in red. At 12.12pm Wednesday 6th February, 2013 a 8.0 magnitude undersea earthquake occurred 33km West- Southwest of the Santa Cruz Islands and generated a destructive tsunami. At 12.23pm the SI Meteorological Service issued a tsunami warning for 5 provinces in Solomon Islands; Temotu, Malaita, Makira-Ulawa, Central and Guadalcanal. By 1.18pm the threat to the 5 Provinces had been assessed and for Guadalcanal and Temotu this was downgraded to watch status. The tsunami warning remained in effect for Temotu, Makira-Ulawa and Malaita Provinces until 5pm. A large number of aftershocks have occurred after the event, with 7.1 being the highest. The Temotu Provincial Emergency Operations Centre (PEOC) was activated and a team was deployed to the Temotu province to assist the provincial staff Areas Affected Mostly the coastal villages on Santa Cruz. -
Land and Maritime Connectivity Project: Road Component Initial
Land and Maritime Connectivity Project (RRP SOL 53421-001) Initial Environmental Examination Project No. 53421-001 Status: Draft Date: August 2020 Solomon Islands: Land and Maritime Connectivity Project – Multitranche Financing Facility Road Component Prepared by Ministry of Infrastructure Development This initial environmental examination is a document of the borrower. The views expressed herein do not necessarily represent those of the ADB’s Board of Directors, Management, or staff, and may be preliminary in nature. In preparing any country program or strategy, financing any project, or by making any designation of or reference to any particular territory or geographic area in this document, the Asian Development Bank does not intend to make any judgments as to the legal or other status of any territory or area. Solomon Islands: Land and Maritime Connectivity Project Road Component – Initial Environmental Examination Table of Contents Abbreviations iv Executive Summary v 1 Introduction 1 1.1 Background to the Project 1 1.2 Scope of the Environmental Assessment 5 2 Legal and Institutional Framework 6 2.1 Legal and Planning Framework 6 2.1.1 Country safeguard system 6 2.1.2 Other legislation supporting the CSS 7 2.1.3 Procedures for implementing the CSS 9 2.2 National Strategy and Plans 10 2.3 Safeguard Policy Statement 11 3 Description of the Subprojects 12 3.1 Location and Existing Conditions – SP-R1 12 3.1.1 Existing alignment 12 3.1.2 Identified issues and constraints 14 3.2 Location and Existing Conditions – SP-R5 15 3.2.1 Location -
Human-Crocodile Conflict in Solomon Islands
Human-crocodile conflict in Solomon Islands In partnership with Human-crocodile conflict in Solomon Islands Authors Jan van der Ploeg, Francis Ratu, Judah Viravira, Matthew Brien, Christina Wood, Melvin Zama, Chelcia Gomese and Josef Hurutarau. Citation This publication should be cited as: Van der Ploeg J, Ratu F, Viravira J, Brien M, Wood C, Zama M, Gomese C and Hurutarau J. 2019. Human-crocodile conflict in Solomon Islands. Penang, Malaysia: WorldFish. Program Report: 2019-02. Photo credits Front cover, Eddie Meke; page 5, 11, 20, 21 and 24 Jan van der Ploeg/WorldFish; page 7 and 12, Christina Wood/ WorldFish; page 9, Solomon Star; page 10, Tessa Minter/Leiden University; page 22, Tingo Leve/WWF; page 23, Brian Taupiri/Solomon Islands Broadcasting Corporation. Acknowledgments This survey was made possible through the Asian Development Bank’s technical assistance on strengthening coastal and marine resources management in the Pacific (TA 7753). We are grateful for the support of Thomas Gloerfelt-Tarp, Hanna Uusimaa, Ferdinand Reclamado and Haezel Barber. The Ministry of Environment, Climate Change, Disaster Management and Meteorology (MECDM) initiated the survey. We specifically would like to thank Agnetha Vave-Karamui, Trevor Maeda and Ezekiel Leghunau. We also acknowledge the support of the Ministry of Fisheries and Marine Resources (MFMR), particularly Rosalie Masu, Anna Schwarz, Peter Rex Lausu’u, Stephen Mosese, and provincial fisheries officers Peter Bade (Makira), Thompson Miabule (Choiseul), Frazer Kavali (Isabel), Matthew Isihanua (Malaita), Simeon Baeto (Western Province), Talent Kaepaza and Malachi Tefetia (Central Province). The Royal Solomon Islands Police Force shared information on their crocodile destruction operations and participated in the workshops of the project. -
Ahp Disaster Ready Report: Traditional Knowledge
AHP DISASTER READY REPORT: TRADITIONAL KNOWLEDGE Tadahadi Bay, 2018. Prepared by: Kayleen Fanega, Project Officer, Solomon Islands Meteorological Services Acknowledgments This report was compiled by the Solomon Islands Meteorological Services (SIMS) climate section that have been implementing a Traditional Knowledge project with support and seed funding from the Government of Australia through Bureau of Meteorology, Australia with additional funding support from the Solomon Islands Government which has enabled data collection field trips. Solomon Islands Meteorological Service would like to kindly acknowledge and thank the World Vision Solomon Islands, for involving them in their Australian Humanitarian Project (AHP) and the communities; Tadahadi, Wango, Manitawanuhi, Manihuki for allowing the traditional knowledge (TK) survey to be conducted in their community. 1 Acronyms AHP: Australian Humanitarian Project BoM -Bureau of Meteorology MOU- Memorandum of Understanding TK- Traditional Knowledge SIMS- Solomon Islands Meteorological Services VDCRC- Village Disaster Climate Risk Committee WVSI- World Vision Solomon Islands 2 Contents Acknowledgments...................................................................................................................... 1 Acronyms ................................................................................................................................... 2 Introduction ............................................................................................................................... -
Geologic History of Siletzia, a Large Igneous Province in the Oregon And
Geologic history of Siletzia, a large igneous province in the Oregon and Washington Coast Range: Correlation to the geomagnetic polarity time scale and implications for a long-lived Yellowstone hotspot Wells, R., Bukry, D., Friedman, R., Pyle, D., Duncan, R., Haeussler, P., & Wooden, J. (2014). Geologic history of Siletzia, a large igneous province in the Oregon and Washington Coast Range: Correlation to the geomagnetic polarity time scale and implications for a long-lived Yellowstone hotspot. Geosphere, 10 (4), 692-719. doi:10.1130/GES01018.1 10.1130/GES01018.1 Geological Society of America Version of Record http://cdss.library.oregonstate.edu/sa-termsofuse Downloaded from geosphere.gsapubs.org on September 10, 2014 Geologic history of Siletzia, a large igneous province in the Oregon and Washington Coast Range: Correlation to the geomagnetic polarity time scale and implications for a long-lived Yellowstone hotspot Ray Wells1, David Bukry1, Richard Friedman2, Doug Pyle3, Robert Duncan4, Peter Haeussler5, and Joe Wooden6 1U.S. Geological Survey, 345 Middlefi eld Road, Menlo Park, California 94025-3561, USA 2Pacifi c Centre for Isotopic and Geochemical Research, Department of Earth, Ocean and Atmospheric Sciences, 6339 Stores Road, University of British Columbia, Vancouver, BC V6T 1Z4, Canada 3Department of Geology and Geophysics, University of Hawaii at Manoa, 1680 East West Road, Honolulu, Hawaii 96822, USA 4College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, 104 CEOAS Administration Building, Corvallis, Oregon 97331-5503, USA 5U.S. Geological Survey, 4210 University Drive, Anchorage, Alaska 99508-4626, USA 6School of Earth Sciences, Stanford University, 397 Panama Mall Mitchell Building 101, Stanford, California 94305-2210, USA ABSTRACT frames, the Yellowstone hotspot (YHS) is on southern Vancouver Island (Canada) to Rose- or near an inferred northeast-striking Kula- burg, Oregon (Fig. -
Recent Dispersal Events Among Solomon Island Bird Species Reveal Differing Potential Routes of Island Colonization
Recent dispersal events among Solomon Island bird species reveal differing potential routes of island colonization By Jason M. Sardell Abstract Species assemblages on islands are products of colonization and extinction events, with traditional models of island biogeography emphasizing build-up of biodiversity on small islands via colonizations from continents or other large landmasses. However, recent phylogenetic studies suggest that islands can also act as sources of biodiversity, but few such “upstream” colonizations have been directly observed. In this paper, I report four putative examples of recent range expansions among the avifauna of Makira and its satellite islands in the Solomon Islands, a region that has recently been subject to extensive anthropogenic habitat disturbance. They include three separate examples of inter-island dispersal, involving Geoffroyus heteroclitus, Cinnyris jugularis, and Rhipidura rufifrons, which together represent three distinct possible patterns of colonization, and one example of probable downslope altitudinal range expansion in Petroica multicolor. Because each of these species is easily detected when present, and because associated localities were visited by several previous expeditions, these records likely represent recent dispersal events rather than previously-overlooked rare taxa. As such, these observations demonstrate that both large landmasses and small islands can act as sources of island biodiversity, while also providing insights into the potential for habitat alteration to facilitate colonizations and range expansions in island systems. Author E-mail: [email protected] Pacific Science, vol. 70, no. 2 December 16, 2015 (Early view) Introduction The hypothesis that species assemblages on islands are dynamic, with inter-island dispersal playing an important role in determining local community composition, is fundamental to the theory of island biogeography (MacArthur and Wilson 1967, Losos and Ricklefs 2009). -
(V&A) Assessment for Ontong Java Atoll, Solomon Islands
PACC TECHNICAL REPORT 4 JUNE 2014 Vulnerability and adaptation (V&A) assessment for Ontong Java Atoll, Solomon Islands SPREP LIBRARY/IRC CATALOGUING-IN-PUBLICATION DATA Vulnerability and adaptation (V&A) assessment for Ontong Java Atoll, Solomon Islands. Apia, Samoa : SPREP, 2014. p. cm. (PACC Technical Report No.4) ISSN 2312-8224 Secretariat of the Pacific Regional Environment Programme authorises the reproduction of this material, whole or in part, provided appropriate acknowledgement is given. SPREP, PO Box 240, Apia, Samoa T: +685 21929 F: +685 20231 E: [email protected] W: www.sprep.org This publication is also available electronically from SPREP’s website: www.sprep.org SPREP Vision: The Pacific environment, sustaining our livelihoods and natural heritage in harmony with our cultures. www.sprep.org PACC TECHNICAL REPORT 4 JUNE 2014 Vulnerability and adaptation (V&A) assessment for Ontong Java Atoll, Solomon Islands TABLE OF CONTENTS ACKNOWLEDGEMENTS Iv EXECUTIVE SUMMARY v ABBREVIATIONS vii 1. INTRODUCTION 1 2. BACKGROUND 3 2.1. Natural and human systems of Ontong Java Atoll 4 2.1.1. Vegetation 4 2.1.2. The marine ecosystem 4 2.1.3. People and land systems 5 2.2. Current climate and sea level 6 2.2.1. Temperature and rainfall 6 2.2.2. Extreme events 7 2.2.3. Sea level 8 2.3. Climate and sea level projections 9 2.3.1. Temperature and rainfall projections 9 2.3.2. Sea level projections 11 2.4. Climate change impacts 11 3. THE ASSESSMENT AND ITS OBJECTIVES 12 4. METHODOLOGY 12 4.1. Household survey 13 4.1.1.