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Metamorphism, structural evolution and experimental petrology of Lambert Glacier granulites, Antarctica


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Nichols, GT (1992) Metamorphism, structural evolution and experimental petrology of Lambert Glacier granulites, Antarctica. PhD thesis, University of Tasmania.

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nichols_thesis...pdf | Download (17MB)
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The preserved peak and post-peak metamorphic evolution culminating around 1000 Ma ago, which affected granulite-facies rocks from adjacent East Antarctic regions, the Reinbolt Hills and the Prince Charles Mountains, is described and quantified here for the first time. The derived pressure-temperature paths from these regions display a continuum in both the maximum preserved conditions and in the gradients of their trajectories, passing from higher pressures (=8 kbar) along the eastern margin of the Lambert Glacier, to low pressures (=4.5 kbar)in the north-west Prince Charles Mountains. The maximum preserved temperatures along the east Lambert Glacier (=700C) differ by a maximum of 250C from those in the west (=450C). This retrograde temperature differential is best explained by warning deformation promoting re-equilibration during retrogression in the Prince Charles Mountains.

Item Type: Thesis (PhD)
Keywords: Nichols, Geoffrey
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Copyright the Author-The University is continuing to endeavour to trace the copyright owner(s) and in the meantime this item has been reproduced here in good faith. We would be pleased to hear from the copyright owner(s)

Date Deposited: 23 Mar 2014 22:46
Last Modified: 15 Sep 2017 01:06
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