[meteorite-list] Drumlin Formation Not Necessarily Evidence Of Catastrophic Events

Paul etchplain at att.net
Sat Mar 3 12:04:33 EST 2018

People have selectively used the ideas of Dr. John Shaw to claim
that they are undisputed indicators of catastrophic subglacial
floods associated with extraterrestrial impacts. However,
in their arguments, they completely either ignore over overlook
any other research that strongly indicate that there is a lack of
any connection between catastrophic subglacial floods and
drumlin formation. Some of this recent research is:

Observations from the surge-type glacier Múlajökull in Iceland
underpin new modeling results that suggest the glacier's drumlins
grow during quiet intervals of normal flow between glacial surges.
Journal of Geophysical Research: Earth Surface

Publications are:

Iverson, N.R., McCracken, R.G., Zoet, L.K., Benediktsson, Í.Ö.,
Schomacker, A., Johnson, M.D. and Woodard, J., 2017. A
theoretical model of drumlin formation based on
observations at Múlajökull, Iceland. Journal of Geophysical
Research: Earth Surface, 122(12), pp. 2302-2323.
DOI: 10.1002/2017JF004354

Iverson, N.R., McCracken, R., Zoet, L., Benediktsson, Í.,
Schomacker, A., Johnson, M., Finlayson, A., Phillips, E. and
Everest, J., 2016. A theoretical model of drumlin formation
based on observations at Múlajökull, Iceland. Geophysical
Research Abstracts. Vol. 18, EGU2016-2655, 2016

Svante Björck and Per Sandgren, 2017, "The Beauty of
Drumlins and the Mystery of their Genesis", May 12th 2017,
A mini-symposium to honor the retirement of Per Möller,
Department of Geology, Lund University.


Paul H.

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