[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: BBC Radio Show on Fossil Colour
Richard W. Travsky writes:
On Thu, 7 Feb 2008, Michael Barton wrote:
"Quentin will be exploring how fossil remains of the dinosaurs is
revealing information about their colouring and marking were they
striped or spotty purple or yellow?"
Ok, how do fossils show that?
Skin colouration has been preserved in some fossil frogs (from Africa I
think), but they weren't nearly as old as Mesozoic. Electronmicroscopy of
fossil fish scales has also revealed the exact spacing of their
microstriations, which can be used to determine the colours of light they
would have reflected.
Other than those examples, I can't think of any reliable ways to determine
skin/scale *colour* in fossil species. I seem to recall one of the recent
hadrosaur mummies may have had stains that could have been skin markings
(stripes if I remember correctly), and I seem to recall someone mentioning
patterns preserved on some of the fossil feather impressions coming out of
China, but I doubt that such markings are ever in their original colours.
GIS / Archaeologist http://geo_cities.com/dannsdinosaurs
Melbourne, Australia http://heretichides.soffiles.com