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Australian gemstone belt

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Journal Article
Published: 01 December 2017
Mineralogical Magazine (2017) 81 (6): 1551-1576.
... used laser ablation inductively coupled plasma mass spectrometry (LA–ICP–MS) to measure trace-element concentrations in sapphire and ruby crystals from eight alluvial deposits that span a significant length of the eastern Australian gemstone belt. Additionally, we collected LA–ICP–MS U–Pb and trace...
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Map of the eastern <b>Australian</b> <b>gemstone</b> <b>belt</b> showing major and minor sapphir...
Published: 01 December 2017
Fig. 2. Map of the eastern Australian gemstone belt showing major and minor sapphire occurrences associated with Cenozoic alkali basalts (central volcanoes and lava-fields) along the thinner (∼50 km thick) eastern Australian lithosphere ( Fishwick et al ., 2008 ). Geological units for volcanic
Journal Article
Published: 01 August 2003
Mineralogical Magazine (2003) 67 (4): 717-732.
... implications . Tectonophysics , 111 , 41 – 63 . Ollier , C.D. ( 1985 ) Geomorphology and volcanism in eastern Australia . Geological Society of Australia, NSW Division Publication , 1 , 1 – 12 . Olliver , J.D. and Townsend , I.J. ( 1993 ) Gemstones in Australia . Australian...
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Journal Article
Published: 01 December 2006
Mineralogical Magazine (2006) 70 (6): 669-687.
...Khin Zaw; F. L. Sutherland; F. Dellapasqua; C. G. Ryan; Tzen-Fu Yui; T. P. Mernagh; D. Duncan Abstract Corundum xenocrysts from alkaline basalt fields differ in characteristics and hence lithospheric origins. Trace element, fluid/melt inclusion and oxygen isotope studies on two eastern Australian...
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Journal Article
Published: 01 June 2015
Mineralogical Magazine (2015) 79 (3): 545-581.
... Developmental Road, two km northwest (~144.757°E, 18.467°S) and five km south-southwest (~144.723°E, 18.490°S) of Lava Plains Station (144.8710°E, 18.4833°S). They are among the most northern basaltic gem deposits within a 4000 km long, 300 km wide belt of intraplate volcanic fields along the East Australian...
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Journal Article
Published: 01 July 2017
The Canadian Mineralogist (2017) 55 (4): 595-617.
... (sapphire and ruby) is of great scientific and economic interest and remains one of the most important gemstones in the world gem trade. It is now widely accepted that the trace element composition and inclusion mineralogy within particular corundum suites can prove effective in deciphering their primary...
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Series: Geological Society, London, Memoirs
Published: 01 January 2017
DOI: 10.1144/M48.12
EISBN: 9781862399730
... Ma. In common with metamorphic rocks from many mountain belts such as the Himalaya, the Mogok metamorphic rocks were originally thought to be Precambrian ( La Touche 1913 ; Chhibber 1934 a ). Following the discovery of some fossil biomarkers (deformed Carboniferous corals (Maung Thein &...
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Journal Article
Published: 01 September 2003
Journal of the Geological Society (2003) 160 (5): 745-757.
...A. KrÖner; S. Muhongo; E. Hegner; M.T.D. Wingate Abstract The Mozambique belt of southern Tanzania is underlain by locally restricted 1100–950 Ma (late Kibaran) granitoid gneisses that were derived from remelting of Archaean continental crust, as suggested by Nd isotopic systematics. These rocks...
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Journal Article
Published: 01 March 2018
American Mineralogist (2018) 103 (3): 469-479.
...): Composition and origin . Geologica Carpathica , 63 , 71 – 82 . Wong , J. , Verdel , C. , and Allen , C.M. ( 2017 ) Trace-element compositions of sapphire and ruby from the eastern Australian gemstone belt, Mineralogical Magazine , 81 , 1551 – 1576 , https://doi.org/10.1180/minmag...
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Journal Article
Published: 01 December 1998
Journal of the Geological Society (1998) 155 (6): 1009-1024.
...-African cooling approximately 475 Ma ago Precambrian Research 1985 30 361 378 Malisa E. Muhongo S. Tectonic setting of gemstone mineralization in the Proterozoic metamorphic terrane of the Mozambique Belt in Tanzania Precambrian Research 1990 46 167 176 Meert, J.G. 1993...
Journal Article
Published: 01 July 2017
The Canadian Mineralogist (2017) 55 (4): 535-560.
..., associated with amphibolites of oceanic affinities and ultramafic rocks ( Turpaud 2006 ). To date, these occurrences lack any in-depth study, unlike the well-documented Asian, African, and Australian ruby deposits. This study seeks to address three main geological questions regarding the Paranesti corundum...
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Journal Article
Published: 01 July 2010
American Mineralogist (2010) 95 (7): 921-932.
..., a quartz-plumose muscovite unit and an outer unit of plagioclase containing a distinct zone of massive perthite. The province contains numerous such pegmatites, and those hosted in schists have been exploited for columbite. The Muiane pegmatite is famous for its mineral specimens and gemstones ( Dias...
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Series: Geological Society, London, Geology of Series
Published: 01 January 2016
DOI: 10.1144/GOJ.2
EISBN: 9781862397064
... Abstract Pre-Cenozoic rocks of the Japanese islands are largely composed of latest Palaeozoic to Cretaceous accretionary complexes and Cretaceous granitic intrusives. Exposures of older rocks are restricted to a limited number of narrow terranes, notably the Hida, Oeyama and Hida Gaien belts...
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Journal Article
Published: 01 July 2007
Journal of the Geological Society (2007) 164 (4): 785-793.
... the Pacific and Australian tectonic plates ( Fig. 1 ). The Pelorus River catchment that is the topic of this study lies to the north of the Wairau Fault ( Fig. 1 ), and is underlain by metasedimentary rocks of the Caples–Pelorus Terrane, with minor outcrops of Dun Mountain Ophiolite Belt rocks ( Fig. 1...
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Series: Economic Geology
Published: 01 January 2005
DOI: 10.5382/AV100.33
EISBN: 9781934969519
... magmatic edifices were constructed at convergent margins. Neoarchean greenstone belt orogenesis stemmed from multiple terrane accretion in Cordilleran-style external orogens with multiple sutures, where oceanic plateaus captured arcs by jamming subduction zones, and plateau crust melted to generate high...
Journal Article
Published: 01 June 2016
South African Journal of Geology (2016) 119 (2): 359-378.
... earlier. The emerald mineralisation is closely linked with albitite pegmatites, with the emeralds confined almost entirely to metasomatic zones at the margins of strongly deformed pegmatoid bodies in biotite, talc and actinolite schists. While the surrounding Murchison greenstone belt has been extensively...
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Journal Article
Journal: Economic Geology
Published: 01 July 2002
Economic Geology (2002) 97 (4): 873-895.
... of greenstone belts protruding into or within the larger granitoid complexes. Most of these are within two of the six tectonostratigraphic domains of the East Pilbara granite-greenstone terrane of the North Pilbara Craton. They tend to be clustered along and within 5 km (at surface) of major faults and craton...
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Journal Article
Published: 01 August 2015
Mineralogical Magazine (2015) 79 (4): 815-855.
... of the capital, Nuuk. Nickel mineralization in the Maniitsoq Ni project is hosted in the Norite belt; Cr and PGE in Qeqertarssuatsiaq, and Ti-V in Sinarsuk in the Fiskenæsset complex. The lower-grade metamorphic Isua greenstone belt hosts the >1000 Mt Isua iron deposit in an Eoarchaean banded iron formation...
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Series: Geological Society, London, Geology of Series
Published: 01 January 2011
DOI: 10.1144/GOTH.17
EISBN: 9781862393943
... ) which was worked prior to the Pacific War (1941–1945). The gold-antimony ore at Toh Moh is similar in mineralogy to that mined at the Raub Australian mine in Malaysia ( Hutchison 1996 ) and other gold deposits present in the Central Belt of Peninsular Malaysia ( Wan Fuad & Purwanto 2002 ; Hutchison...
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Journal Article
Journal: Elements
Published: 01 March 2005
Elements (2005) 1 (2): 101-104.
... by the Mineralogical Society of America 2005 diamond gemstone color treatment HPHT annealing identification Diamonds are the most important gemstones, and their sales are the foundation of the international jewelry industry. Gem diamonds hold a special fascination, as evidenced by the popularity...
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