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Dr Janet Muhling
Research Interests:Understanding the geological processes involved in the formation of rocks by Investigating the textural and compositional relationships of the minerals they are made from. Areas of Expertise:* Polarizing light microscopy * SEM * X-ray mapping * ED and WD microanalysis
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Current Students:
* Mrs Dana Crisan (PhD): Modelling exposure to
traffic-related air pollutants using spatial and temporal
interactions.
Current Projects:
* Petrogenesis, alteration and metamorphism of basaltic rocks
from the Fortescue Group, Western Australia.
* The study of rare accessory minerals as tracers of the
mechanisms, timing and rates of geological processes in
rocks.
* P-T-t paths revealed by granulite-facies metapelites from
the Narryer terrane.
* The mineralogy and formation of manganese ore from the east
Pilbara region.
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Recent Publications:Rasmussen, B., Fletcher, I.R., Muhling, J.R., 2007. In situ U-Pb dating and element mapping of three generations of monazite: Unravelling cryptic tectonothermal events in low-grade terranes. Geochimica et Cosmochimica Acta, Volume 71(3), 670-690. Sheppard, S., Rasmussen, B., Muhling, J.R., Farrell, T.R., Fletcher, I.R. 2007. Grenvillian-aged orogenesis in the Palaeoproterozoic Gascoyne Complex, Western Australia: 1030ñ950 Ma reworking of the Proterozoic Capricorn Orogen. Journal of Metamorphic Geology, 25, 477-494.
Rasmussen, B., Fletcher, I.R., Muhling, J.R., Thorne, W.S., Broadbent, G.C. 2007. Prolonged history of episodic fluid flow in giant hematite ore bodies: Evidence from in situ U-Pb geochronology of hydrothermal xenotime. Earth and Planetary Science Letters 258:249-259. Rasmussen, B. & Muhling, J.R., 2007. Monazite begets monazite: evidence for dissolution of detrital monazite and reprecipitation of syntectonic monazite during low-grade regional metamorphism. Contributions to Mineralogy and Petrology, DOI:10.1007/s00410-007-0216-6.
Sarma, D.S., Muhling, J.R., Mohan, M.R., McNaughton, N.J., 2007. Occurrence of Hydrothermal Phosphate Minerals in the Gold Mineralized Zones at Hutti Gold Deposit, Karnataka. Journal of the Geological Society of India, In Press. Rasmussen, B., Muhling, J.R.,
Fletcher, I.R. and Wingate, M.T.D., 2006. In Situ SHRIMP U-Pb dating of
monazite integrated with petrology and textures: Does bulk composition
control whether monazite forms in low-Ca pelitic rocks during
amphibolite facies metamorphism? Geochimica et Cosmochimica Acta, 70,
3040-3058.
Muhling, J.R.,
Rasmussen, B. and Fletcher, I.R., 2006. Timing and duration of
deformation and amphibolite-facies metamorphism from U-Pb dating of
texturally constrained monazite. Geochimica et Cosmochimica Acta, 70
(Supplement 1), 433. Rasmussen, B., Muhling, J.R. and
Fletcher, I.R., 2006. In situ U-Pb dating and element mapping of very
low grade metamorphic monazite. Geochimica et Cosmochimica Acta, 70
(Supplement 1), 519.
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