A collection of lithospheric xenoliths from the Executive Committee Range and Mt Murphy Volcanic Complex in West Antarctica and the McMurdo Volcanic Province in McMurdo Sound
Lithospheric xenoliths are a convenient and relatively cost efficient means of gaining an insight into the petrology of the deep earth. As such, they provide important information on lithospheric structure and processes and can be used to gauge thermal regime and possibly , the timing of events. Lithospheric xenoliths were collected in the 1989/90 and 1990/91 season from Marie Byrd Land, West ... Antarctica, including Mt Waesche, Mt Sidley, Mt Cumming, Mt Hampton and the USAS Escarpment (Mt Aldaz) in the Executive Committee Range and Mt Murphy in the Mount Murphy Volcanic Complex. Further samples were collected in the 1992/93 season from the McMurdo Volcanic Province at a number of localities on and adjacent to Ross Island (Hut Point Peninsula (Half Moon Crater, Sulphur Cones, Turtle Rock) and Cape Bird), Black Island and in the foothills of the Transantarctic Mountains (Foster Crater on the Koettlitz Glacier). The majority of the samples collected in the 1992/93 season supplemented a collection compiled from the 1982/83 and 1984/85 season. The xenoliths vary from texturally variable, spinel lherzolites and dunites representative of upper mantle assemblages to ultramafic Al-augite kaersutite bearing ultramafic rocks and plagioclase bearing ultramafic to mafic granulites thought to represent the transition zone between upper mantle and lower crust.
The PETLAB database catalogue
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Any remaining samples are stored in the Victoria University of Wellington rock collection, online on the PETLAB database.
For more information, please contact:
School of Geography, Environment and Earth Science
Victoria University of Wellington
Phone: +64 4 463 6192
Data Set Progress
44 20 7679 5550
44 20 7679 7565
hbennion at geog.ucl.ac.uk
Environmental Change Research Centre,
Department of Geography,
26 Bedford Way, University College London,
London WC1H 0AP, UK
Tyler.B.Stevens at nasa.gov
NASA Goddard Space Flight Center
Global Change Master Directory
Province or State:
Allott, T.E.H. & Monteith, D.T. (1999). Classification of lakes in Wales for
conservation using integrated biological data.. CCW Contract Science Report No.
Bennion, H. (1995). Quantitative reconstructions of the nutrient histories of
three Anglesey lakes. CCW Contract Science Report No. 87.
Bennion, H., Duigan, C. A., Haworth, E. Y., Allott, T. E. ... H., Anderson, N. J.,
Juggins, S. & Monteith, D. T. (1996b) The Anglesey Lakes, Wales, UK- Changes in
trophic status of three standing waters as inferred from diatom transfer
functions and their implications for conservation. Aquatic Conservation: Marine
and Freshwater Ecosystems, 6, 81-92.
Bennion, H., Juggins, S. & Anderson, N. J. (1996a) Predicting epilimnetic
phosphorus concentrations using an improved diatom-based transfer function and
its application to lake eutrophication management. Environmental Science and
Technology, 30, 2004-2007.
Bennion, H. (ed). (1996) A study of recent environmental change within selected
standing waters proposed as Special Areas of Conservation. A report to the
Countryside Council for Wales by ENSIS Ltd. Environmental Change Research
Centre, Research Report No. 22, University College London.
Bennion, H., Shilland, E. & Appleby, P.G. (1997b) A study of recent
environmental change at Llyn Tegid (Lake Bala), Wales. A Report to the
Environment Agency. Environmental Change Research Centre, Research Report
No.36 University College London.
Bennion, H., Allott, T.E.H., Appleby, P.G., Hunt, M., Oliver, E. & Patrick,
S.T. (1997a) A study of recent environmental change within selected standing
waters proposed as Special Areas of Conservation (SAC) in Wales - Llyn Idwal,
Llyn Cwellyn and Llyn Safadden (Llangorse Lake) Phase II. CCW Research Report
Bennion, H., Allott, T.E.H. & Shilland, E. (1998). Investigation of
environmental change in two mesotrophic lakes in Mid-Wales: Llyn Eiddwen and
Llyn Fanod. Final report to CCW by ENSIS Ltd. Environmental Change Research
Centre, Research Report No. 46, University College London.
Bennion, H. & Appleby, P.G. (1999) An assessment of recent environmental change
i Llangorse Lake using palaeolimnology. Aquatic Conservation: Marine and
Freshwater Ecosystems, 9, 361-375.
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