Search Results - "McDonald, Brad J."

Titanite dates crystallization: Slow Pb diffusion during super‐solidus re‐equilibration by Hartnady, Michael I. H., Kirkland, Christopher L., Clark, Chris, Spaggiari, Catherine V., Smithies, R. Hugh, Evans, Noreen J., McDonald, Brad J.

“…Titanite can be found in rocks of wide compositional range, is reactive, growing or regrowing during metamorphic and hydrothermal events, and is generally…”
Get full text

Seeing is believing: Visualization of He distribution in zircon and implications for thermal history reconstruction on single crystals by Danišík, Martin, McInnes, Brent I A, Kirkland, Christopher L, McDonald, Brad J, Evans, Noreen J, Becker, Thomas

“…Zircon (U-Th)/He thermochronometry is an established radiometric dating technique used to place temporal constraints on a range of thermally sensitive…”
Get full text

Tectonothermal history of the Schwarzwald Ore District (Germany): An apatite triple dating approach by Danišík, Martin, Pfaff, Katharina, Evans, Noreen J., Manoloukos, Christos, Staude, Sebastian, McDonald, Brad J., Markl, Gregor

“…Exceptionally large, U-rich apatite from the Schwarzwald ore district (Germany) was triple dated using ID-TIMS U–Pb, fission track (FT) and (U–Th)/He dating…”
Get full text

Texturally Controlled U–Th–Pb Monazite Geochronology Reveals Paleoproterozoic UHT Metamorphic Evolution in the Khondalite Belt, North China Craton by Jiao, Shujuan, Fitzsimons, Ian C W, Zi, Jian-Wei, Evans, Noreen J, Mcdonald, Brad J, Guo, Jinghui

“…Abstract Sapphirine-bearing UHT granulites from the Dongpo locality in the Khondalite Belt of the North China Craton have been comprehensively characterized in…”
Get full text

The timing and duration of high-temperature to ultrahigh-temperature metamorphism constrained by zircon U–Pb–Hf and trace element signatures in the Khondalite Belt, North China Craton by Jiao, Shujuan, Guo, Jinghui, Evans, Noreen J., Mcdonald, Brad J., Liu, Peng, Ouyang, Dongjian, Fitzsimons, Ian C. W.

“…Understanding the timing and duration of metamorphism is fundamental to correctly interpreting the geodynamic evolution of orogenic events. Metamorphic…”
Get full text

Tracing Highly Siderophile Elements through Subduction: Insights from High-pressure Serpentinites and ‘Hybrid’ Rocks from Alpine Corsica by Crossley, Rosalind J, Evans, Katy A, Evans, Noreen J, Bragagni, Alessandro, McDonald, Brad J, Reddy, Steven M, Speelmanns, Iris M

“…Abstract The highly siderophile elements (HSE) include the economically critical platinum group elements (PGE; Os, Ir, Ru, Rh, Pt, Pd, Au and Re), gold and…”
Get full text

Multiple P–T–d–t paths reveal the evolution of the final Nuna assembly in northeast Australia by Volante, Silvia, Pourteau, Amaury, Collins, William J., Blereau, Eleanore, Li, Zheng‐Xiang, Smit, Matthijs, Evans, Noreen J., Nordsvan, Adam R., Spencer, Chris J., McDonald, Brad J., Li, Jiangyu, Günter, Christina

“…The final assembly of the Mesoproterozoic supercontinent Nuna was marked by the collision of Laurentia and Australia at 1.60 Ga, which is recorded in the…”
Get full text

(U–Th)/He chronology of the Robe River channel iron deposits, Hamersley Province, Western Australia by Danišík, Martin, Evans, Noreen J., Ramanaidou, Erick R., McDonald, Brad J., Mayers, Celia, McInnes, Brent I.A.

“…Channel iron deposits (CID) supply 40% of Australia's iron ore but their genesis is still the subject of debate. Two well-characterised samples of…”
Get full text

Tracing metamorphism, exhumation and topographic evolution in orogenic belts by multiple thermochronology: a case study from the Nízke Tatry Mts., Western Carpathians by Danišík, Martin, Kadlec, Jaroslav, Glotzbach, Christoph, Weisheit, Anett, Dunkl, István, Kohút, Milan, Evans, Noreen J., Orvošová, Monika, McDonald, Brad J.

“…A combination of four thermochronometers [zircon fission track (ZFT), zircon (U–Th)/He (ZHe), apatite fission track (AFT) and apatite (U–Th–[Sm])/He (AHe)…”
Get full text

Mafic intrusions in southwestern Australia related to supercontinent assembly or breakup? by Olierook, H. K. H., Jourdan, F., Kirkland, C. L., Elders, C., Evans, N. J., Timms, N. E., Cunneen, J., McDonald, B. J., Mayers, C., Frew, R. A., Jiang, Q., Olden, L. J., McClay, K.

“…Variably oriented dolerite intrusions outcrop in the Albany-Fraser Orogen along the south coast of Western Australia with previously unknown ages but where…”
Get full text

Zircon U–Th–Pb–He double dating of the Merlin kimberlite field, Northern Territory, Australia by McInnes, Brent I.A., Evans, Noreen J., McDonald, Brad J., Kinny, Peter D., Jakimowicz, Janusz

“…This paper discusses the development of a combined U/Pb and (U–Th)/He geochronology method for single zircon grains and the potential application of this…”
Get full text