 | | Journal (article/letter/editorial) | | unmetasomatized source for the Malaitan alniiite (Solomon Islands): Petrogenesis involving zone refining, megacryst...Estimated proportions of fractionating phases are 30% augite, 24.5% subcalcic diopside, 27% garnet, 12.9% phlogopite...compounded because GEOLOGICAL SETHNG The Solomon Islands chain delineates the boundary between the Pacific...ultrabasic rocks in streams from central north Malaita in 195 1 (RICKWOOD,1957) led to a fruitless search...ROSENBUSCH (1887) for a suite of dike rocks found on the island of Alnii, off the coast of Sweden. ROCK (1986) |  | | Journal (issue) | | Reconnaissance of Parts of the Central Islands of the British Solomon Islands. Protectorate. By The Department...British Territories in Borneo • • British Solomon Islands Protectorate • • • • • • • NOTES • ...Selefer, San Jorge. fig. 4 Micro-syeno-diorite, Island Point, Buena Vista . . . . . . . Plate IV Photomicrographs...Plate V Photomicrographs Vista . fig. I Albitised Island fig. 2 Albitised fig. 3 Albitised fig. 4 Albitised...Rongovali, San Jorge basalt, Buena Vista . . . basalt, Island Point, Buena Vista . and chloritised dolerite, |  | | Journal (article/letter/editorial) | | 6 Petrogenesis of aln6itic rocks from Malaita, Solomon Islands, Melanesia PETER H. NIXON Geology Department... Aphanitic and fragmental aln6itic rocks from Malaita contain ultrabasic xenoliths and discrete nodules...similar to that found in kimberlites, the host Malaita rocks are mineralogically and geochemicallydifferent...kimberlite. AN aln6ite intrusion from Malaita Island, in the Solomon Islands, described by Allen and Deans 0965)...been known from a handful of small specimens from Malaita (Allen and Deans, i965; Dawson et al., I978). |  | | Report (chapter) | | 2014 The geology of north and central Malaita, Solomon Islands: the thickest and most accessible part...latitude 9~ between 1990 and 1995. The geology of Malaita reflects its position as an obducted part of the...basement sequence up to 3-4 km thick, termed the Malaita Volcanic Group (MVG), conformably overlain by a...geo-lectonics of the SW Pacific and Solomon Islands T h e S o l o m o n Islands is an archipelago situated b...(Fig. l a , b). T h e l a r g e r S o l o m o n islands, which f o r m a N W - S E - t r e n d i n g d |  | | Journal (article/letter/editorial) | | tracks, such as Hawaii [13] and the Marquesas Islands [14], of oceanic plateaus, such as Ontong Java...Mineral Olivine (Fo,Fa,,-Fo,,Fa,,) Clinopyroxene (augite) Orthopyroxene (En,,Fs,-En,,Fs,,) Plagioclase (An...1220°C. Olivine is followed at lower temperature by augite and plagioclase, as predicted by the Bowen series...SiO, is approximately constant. Fractionation of augite and plagioclase enriches the residual liquid in...exploring the effect of crystallizing olivine, augite and plagioclase on silicate melt composition. The |  | Smith, D. J., Petterson, M. G., Saunders, A. D., Millar, I. L., Jenkin, G. R. T., Toba, T., Naden, J., Cook, J. M. (2009) The petrogenesis of sodic island arc magmas at Savo volcano, Solomon Islands. Contributions to Mineralogy and Petrology, 158 (6) 785-801 doi:10.1007/s00410-009-0410-9 | Journal (article/letter/editorial) | | The petrogenesis of sodic island arc magmas at Savo volcano, Solomon Islands D. J. Smith Æ M. G. Petterson...2009 Ó Springer-Verlag 2009 Abstract Savo, Solomon Islands, is a historically active volcano dominated...Energy Water and Mineral Resources, Honiara, Solomon Islands ascend periodically, where they are subject...agent. Keywords Sodic Island arc Trachyte Mugearite Alkaline Solomon Islands Savo Hot zone ... Introduction The Solomon Islands arc has experienced a complex subduction history, involving the collision |  | | Report (volume) | | M. G. The geology of north and central Malaita, Solomon Islands: the thickest and most accessible part...CHAZEY, W. J., Ill & NEAL, C. R. Large igneous province magma petrogenesis from source to surface: platinum-group...it has been uplifted through collision with the Solomon arc. mantle. The nature and origin of this compositional...Tremolada 2004). Collision of the OJP with the old Solomon arc has resulted in uplift of the OJP's southern...of basaltic basement in the Solomon Islands (Fig. 1), notably in Malaita, Santa Isabel and San Cristobal |  | | Report (issue) | | SOLOMON ISLANDS PAPUA NEW GUINEA Guadalcana11lill Island Santa Isabel Island Russe/ Islands Florida...Florida Islands Malaita Island Tangarare Guadalcanal /slant! Queensland AUSTRALIA San CristobalIsland...OVERSEAS MEMOIR 6 The geology of Guadalcanal, Solomon Islands B. D. Hackman London Her Majesty's Stationery...ARCS Ministry ofNatural Resources, Honiara, Solomon Islands and Institute ofGeological Sciences, London...B. D. - 1980. The geology of Guadalcanal, Solomon Islands. Overseas Mem. Inst. Geol. Sci., No. 6. ISBN |  | | Journal (article/letter/editorial) | | resembling those of shoshonitic lavas in modem island arcs. Other examples of Archean alkaline rocks...those of modem oceanic islands have not been reported. The oldest oceanic island suites are found in the...subduction processes (the shoshonitic association of island and continental arcs). Modem alkaline rocks associated...lavas? Are they best compared with lavas erupted in island or continental arcs, with lavas associated with...in oceanic intraplate settings, such as oceanic islands or volcanic plateaus? Have lavas from more than |  | | Journal (volume) | | Reconnaissance of Parts of the Central Islands of the British Solomon Islands Protectorate. By The Department...Honduras Jamaica Leeward Islands Windward Islands Fiji British Solomon Islands Protectorate 53 , 183,...Prospects for Mining Development in the British Solomon Islands Tanganyika Mining Industry in 1955 Perlite...Guiana Occurrence of Helium- bearing Gases in Lake Province, Tanganyika 85 85 86 87 88 89 90 91 91 210 211...Geological Reconnaissance Survey of British Solomon Islands Coloured Geological Sketch Map of Santa Ysabel |  | | Journal (issue) | | • • Federation of Nigeria • • • • • • Windward Islands • • • 391 407 416 429 • • • 442 • • •...• • Occurrence of Helium-bearing Gases in Lake Province, Tanganyika Platinum Metals Review . . . Sedimentological...Text-fig. . . facing p. 430 . 430 . . 431 Brother Islands . . . . . . ,, 434 figs. 1 & 2 Photomicrographs...Map of the Brother Islands . page 430 • • Geological Sketch Map of West Brother Island 432 .,' Geological...Sketch Map of East Brother Island 435 • Geological Sketch Map of Reef Island . 437 • • fig. l Reef fig |  | | Report (issue) | | ............ The Columbia River Flood Basalt Province: Current Peter R. Hooper ix Status ........... 183 The Paran•-Etendeka David W. Peate Province ...............................................of Texasat The Columbia River Flood Basalt Province: Current Status Peter R. Hooper Departmentof...northeast 2 COLUMBIA RIVER FLOOD BASALT PROVINCE (Figure 1). Basalt flows dip gently west (<2ø)...basaltprovince,makesthe CRBG Columbia River basalt province (southernmargin of the importantin the developmentand |  | | Journal (issue) | | First Geological Map of Santa Ysabel, British Solomon Islands Protectorate. By R. L. Stanton, M.Sc., Ph.D.... . . . . . . 127 The Geology of Mf"\vanganu Island, Whitworth, M.A., D.Phil. (Oxon.) Western . ...facing p. 148 • • • • • The Geologyof Mfwanganu Island, Western Kenya . Plate I 1. 2. 3. Fig. I...I Fig. 2 Fig. 3 Fig. 4 Fig. 5 Mfwanganu Island, showing the northward-facing dip-slope and the steep.... . . Sketch map of Mfwanganu Island and neighbouring small islands, Lake Victoria . . . . Geological |  | | Journal (article/letter/editorial) | | (1995) reported for peridotitic enstatite and augite (megacryst of clinopyroxene) equal to 15.6 ± 0...H2O cm2, respectively. In this study, only one augite and one enstatite were used as standards for gas...peridotite xenoliths in the back-arc region of Japan Islands. Abstract T33G2750 presented at 2012 Fall Meeting...Ichinomegata, Japan Malaita Island, Malaita Island Malaita Island Malaita Island, OJ Plateau Lihir, Papua |  | | Journal (issue) | | (Malawi Province) which impinges upon the subordinate Irumide and Ubendian belts. The Malawi Province has...carbonatites and related rocks of the Chilwa Alkaline Province and the petrological rock-types of the Basement...appear to underlie a large part of the Barotse Province in the west, though there they are for the most...In the areas east of Lusaka and in the Eastern Province granite-gneisses are widespread and are in part...below). The older Precambrian rocks of the Southern Province are mainly granite gneisses, but schists are |  | | Book (edition) | | .... 396 II.3. Sumatra - Offshore Forearc and islands............................................................. 496 II.4. Sunda Shelf (incl. 'Tin islands', Singkep, Karimata) ....................................... 1338 VII. BANDA SEA, LESSER SUNDA ISLANDS..................................................2140 IX.11. Papua New Guinea (East New Guinea main island) ................................................. 2210 IX.12. Papua New Guinea (Bismarck Sea, Solomon Sea, Woodlark Basin) ......................... |
|
