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Australian Dropstones & misc.refs
After much frantic searching, I finally tracked down a published ref to
the South Australian dropstones:
Vickers-Rich, Rich & Rich 1996 "Australia's Lost World". Kangaroo Press.
"Professor Larry Frakes and those working with him at the University of
Adelaide think that they have fairly good evidence that the sea had
icebergs in it at times - at least in the area around northern South
Australia. They have found big rocks, which they call dropstones, in a
very fine sediment called the Bulldog Shale (actually petrified mud).
'How did those rocks get in that mud?' they asked themselves. One
sensible explanation that they came up with was that icebergs had
floated out into the sea carrying rocks they had picked up as they moved
along the ground when the ice was part of a glacier..."
This book is aimed at a younger audience (but is full of great pics), so
there are no specific references. However, the following reference may
be related to this:
Frakes, L.A & J.E.Francis 1988 "A guide to Phanerozoic cold polar
climates from high-latitude ice-rafting in the Cretaceous". Nature
As for other references:
Chinsamy, Rich & Vickers-Rich 1998 "Polar dinosaur bone histology".
Journal Vert.Paleo. 18:385
Constantine, A., A.Chinsamy, T.H.Rich, & P.Vickers-Rich. 1998.
Periglacial environments and polar dinosaurs. South African Journal of
Douglas, J.G., & G.E.Williams. 1982. Southern polar forests: The Early
Cretaceous floras of Victoria and their palaeoclimatic significance.
Palaeogeography, Palaeoclimatology, Palaeoecology 39:171-185.
Parrish, J.T., R.A.Spicer, J.G.Douglas, T.H.Rich, & P.Vickers-Rich.
1991. Continental climate near the Albian South Pole and comparison with
climate near the North Pole. Geological Society of America, Abstracts
with Programs 23:A302.
Rich, P.V., Rich, T.H., Wagstaff, B.E., McEwen-Mason, J., Douthitt,
C.B., Gregory, R.T. and Felton, E.A. 1988. Evidence for low temperatures
and biologic diversity in Cretaceous high latitudes of Australia.
Rich, T.H., Rich, P.V., Wagstaff, B., McEwen-Mason, J., Douthitt, C.B.
and Gregory, R.T. 1989. Early Cretaceous biota from the northern side of
the Australo-Antarctic Rift Valley. In J.A.Crame (ed.) Origins and
Evolution of the Antarctic Biota. Geological Society Special Publication
Vickers-Rich, P., T.H.Rich & A.Constantine 1999 "Environmental setting
of the polar faunas of southeastern Australia and adaptive strategies of
the dinosaurs". Proceedings of the 2nd Gondwanan Dinosaur Symposium.
Y.Tomida, T.H.Rich & P.Vickers-Rich (Eds), pp.181-195. National Science
Museum Monographs No.15, Tokyo
That last one is probably the best and most up-to-date. I also recommend
the chapter "Getting through the winter" In "Dinosaurs of Darkness",
which discusses things at length (expecially the cryoturbation sites,
of which three are now known in the Flat Rocks area).
When in doubt: http://www.alphalink.com.au/~dannj/refs.htm
Dann Pigdon Australian Dinosaurs:
GIS / Archaeologist http://www.geocities.com/dannsdinosaurs
Melbourne, Australia http://www.alphalink.com.au/~dannj/