Search Results - "Ireland, TR"

Cretaceous sedimentation and metamorphism of the western Alpine Schist protoliths associated with the Pounamu Ultramafic Belt, Westland, New Zealand by Cooper, AF, Ireland, TR

“…The Pounamu Ultramafic Belt (PUB), part of the Alpine Schists, comprises a metamorphosed ophiolitic sequence overlain by a thin pelagic unit, a massive…”
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U-Pb geochronology of Permian plutonic rocks, Longwood Range, New Zealand: implications for Median Batholith-Brook Street Terrane relations by McCoy-West, AJ, Mortimer, N, Ireland, TR

“…We present U-Pb sensitive high-resolution ion microprobe (SHRIMP) zircon ages from gabbros and associated intrusive rocks of the Longwood Range, Southland…”
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Evaluation of Duluth Complex anorthositic series (AS3) zircon as a U-Pb geochronological standard: new high-precision isotope dilution thermal ionization mass spectrometry results by Schmitz, Mark D, Bowring, Samuel A, Ireland, Trevor R

“…U-Pb zircon geochronology is increasingly called upon to achieve the resolution of absolute time at the 0.1% to 1% level for rocks of Phanerozoic to Hadean…”
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The regional significance of Cretaceous magmatism and metamorphism in Fiordland, New Zealand, from U-Pb zircon geochronology by Hollis, J. A., Clarke, G. L., Klepeis, K. A., Daczko, N. R., Ireland, T. R.

“…The western Fiordland Orthogneiss (WFO) is an extensive composite metagabbroic to dioritic arc batholith that was emplaced at c. 20–25 km crustal depth into…”
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Timing of deposition, orogenesis and glaciation within the Dalradian rocks of Scotland; constraints from U-Pb zircon ages by Dempster, T. J, Rogers, G, Tanner, P. W. G, Bluck, B. J, Muir, R. J, Redwood, S. D, Ireland, T. R, Paterson, B. A

“…The stratigraphical and structural continuity of the Late Proterozoic Dalradian rocks of the Scottish Highlands is re-examined in the light of new U-Pb zircon…”
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Effect of rest interval length on repeated 1 repetition maximum back squats by Matuszak, Michael E, Fry, Andrew C, Weiss, Lawrence W, Ireland, Travis R, McKnight, Marvin M

“…To examine the effects of different rest intervals on the repeatability of 1 repetition maximum (1RM) efforts in the free-weight back squat exercise, 17…”
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SHRIMP monazite and zircon geochronology of high-grade metamorphism in New Zealand by IREL, T. R., GIBSON, G. M.

“…Ion microprobe dating of zircon and monazite from high‐grade gneisses has been used to (1) determine the timing of metamorphism in the Western Province of New…”
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Geochronology and geochemistry of high-pressure granulites of the Arthur River Complex, Fiordland, New Zealand: Cretaceous magmatism and metamorphism on the palaeo-Pacific Margin by Hollis, J. A., Clarke, G. L., Klepeis, K. A., Daczko, N. R., Ireland, T. R.

“…The Arthur River Complex is a suite of gabbroic to dioritic orthogneisses in northern Fiordland, New Zealand. The Arthur River Complex separates rocks of the…”
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Geochronology and geochemistry of pre-Jurassic superterranes in Marie Byrd Land, Antarctica by Pankhurst, R. J., Weaver, S. D., Bradshaw, J. D., Storey, B. C., Ireland, T. R.

“…Marie Byrd Land, Antarctica, is a major part of the proto‐Pacific supercontinental margin. On the basis of new geochronological and geochemical data relating…”
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Geochronology and geochemistry of a Mesozoic magmatic arc system, Fiordland, New Zealand by Muir, R. J, Ireland, T. R, Weaver, S. D, Bradshaw, J. D, Evans, J. A, Eby, G. N, Shelley, D

“…The Median Tectonic Zone in Eastern Fiordland, SW New Zealand, comprises a tectonically disrupted belt of Mesozoic magmatic are rocks related to subduction…”
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Ion microprobe dating of Paleozoic granitoids: Devonian magmatism in New Zealand and correlations with Australia and Antarctica by Muir, R.J., Ireland, T.R., Weaver, S.D., Bradshaw, J.D.

“…Precise ion microprobe UPb zircon ages have been obtained from a representative set of Paleozoic igneous rocks from the Western Province of the South Island,…”
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The Solar System's Earliest Chemistry: Systematics of Refractory Inclusions by Ireland, Trevor R., Fegley, Bruce

“…Refractory inclusions, or CAIs (calcium-aluminium-rich inclusions) are a unique ingredient in chondritic meteorites. As the name suggests, they are enriched in…”
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Basement geology of Taranaki and Wanganui Basins, New Zealand by Mortimer, N., Tulloch, A. J., Ireland, T. R.

“…We present a revised interpretation of the basement geology beneath Late Cretaceous to Cenozoic Taranaki and Wanganui Basins of central New Zealand, based on…”
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Regional implications of U/Pb SHRIMP age constraints on the tectonic evolution of New Caledonia by Aitchison, J.C, Ireland, T.R, Clarke, G.L, Cluzel, D, Davis, A.M, Meffre, S

“…U/Pb SHRIMP ages for zircons from plagiogranites indicate a Late Carboniferous age of formation for ophiolitic basement of the Koh terrane in the Central Chain…”
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Geological and chronological evidence of Indo-Chinese strike-slip movement in the Altyn Tagh fault zone by Li, Haibing, Yang Jingsui, Xu Zhiqin, Wu Cailai, Wan Yusheng, Shi Rendeng, Liou, Juhn G, Tapponnier, P, Ireland, Trevor R

“…A set of granitic and amphibole mylonite are exposed in the Altyn Tagh fault zone. The preliminary study shows that these rocks are the product of the…”
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Intraplate origin of komatiites inferred from trace elements in glass inclusions by McDonough, W. F, Ireland, T. R

“…Trace elements from Archaean lavas known as komatiites were found to be similar to those found in modern intraplate basalts. Findings suggest that komatittes…”
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Geochemistry of the Karamea Batholith, New Zealand and comparisons with the Lachlan Fold Belt granites of SE Australia by Muir, R.J., Weaver, S.D., Bradshaw, J.D., Eby, G.N., Evans, J.A., Ireland, T.R.

“…The Karamea Batholith in the Buller terrane of the South Island New Zealand forms part of an extensive Middle-Late Devonian belt of magmatic activity along, or…”
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SHRIMP U-Pb geochronology of Cretaceous magmatism in northwest Nelson-Westland, South Island, New Zealand by Muir, R. J., Ireland, T. R., Weaver, S. D., Bradshaw, J. D., Waight, T. E., Jongens, R., Eby, G. N.

“…Ion microprobe U-Pb zircon ages have been obtained from four samples of Cretaceous granitoid and two samples of volcanogenic sediment from the northwest…”
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Field characteristics, petrography, and geochronology of the Hohonu Batholith and the adjacent Granite Hill Complex, North Westland, New Zealand by Waight, T. E., Weaver, S. D., Ireland, T. R., Maas, R., Muir, R. J., Shelley, D.

“…Detailed geological mapping, petrography, geochemistry, and geochronological studies in the Hohonu Batholith, North Westland, have identified 10 granitoid…”
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Equilibration and reaction in Archaean quartz-sapphirine granulite xenoliths from the Lace kimberlite pipe, South Africa by DAWSON, J. B., HARLEY, S. L., RUDNICK, R. L., IREL, T. R.

“…Ultrahigh‐temperature quartz‐sapphirine granulite xenoliths in the post‐Karoo Lace kimberlite, South Africa, comprise mainly quartz, sapphirine, garnet and…”
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