[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: Ice Sheets Caused Massive Sea Level Change During Late Cretaceous
Dann Pigdon Wrote:
>Christopher Collinson wrote:
>> Cool! (pun intended) But if the ice sheets did not extend to the coast, how
>> are the dropstones in the plesiosaur calving grounds of Australia
>These could have been glacial dropstones. Glaciers don't just form in
>polar icesheets - you can find them in many other parts of the world.
However glacial dropstones in marine deposits requires that the glaciers
reach sea level, otherwise they couldn't calve into the sea. No glaciers do
this outside the subarctic (southern Alaska, Iceland) even today.