San Jorge Island

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San Jorge Island is the second largest island in the Isabel Province, Solomon Islands.[1]


The estimated terrain elevation above sea level is some 159 metres.[2] The island lies at the southern end of Santa Isabel Island and borders Thousand Ships Bay. San Jorge has an area of 184 km2 (71 sq mi) and has less than 1000 inhabitants living in four villages. The island possesses substantial nickel ore deposites, and international mining companies consider developing mining projects.[3] Also, peridotites associated with pyroxenites, with rare olivine and spinel, are exposed on the island.[4]


The first recorded sighting by Europeans was by the Spanish expedition of Álvaro de Mendaña on 21 April 1568. More precisely the sighting was due to a local voyage done by a small boat, in the accounts the brigantine Santiago, commanded by Maestre de Campo Pedro Ortega Valencia and having Hernán Gallego as pilot. They were who charted it with its present-day name, San Jorge, and also who named the narrow channel separating San Jorge from Santa Isabel Island as the Ortega channel after the commander of the expedition.[5]


  1. ^ "San Jorge Island: Solomon Islands". Geographical Names. Retrieved 4 August 2018.
  2. ^ "San Jorge Island". Geoview. Retrieved 4 August 2018.
  3. ^ Robins, Brian (2 August 2016). "Axiom Mining ups raising thanks to nickel price surge". Papua New Guinea Mine Watch. Retrieved 4 August 2018.
  4. ^ BERLY, THOMAS J.; HERMANN, JÖRG; ARCULUS, RICHARD J.; LAPIERRE, HENRIETTE (1 August 2006). "Supra-subduction Zone Pyroxenites from San Jorge and Santa Isabel (Solomon Islands)". Journal of Petrology. 47 (8): 1531–1555. doi:10.1093/petrology/egl019. Retrieved 4 August 2018.
  5. ^ Zaragoza, Justo "Relación de Hernán Gallego" in Historia del descubrimiento de las regiones australes hecho por el general Pedro Fernández de Quirós, Madrid, 1876, t.3, p.36.

Coordinates: 8°27′S 159°35′E / 8.450°S 159.583°E / -8.450; 159.583

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