[meteorite-list] A Possible Second Large Subglacial Impact Crater in Northwest Greenland

From: Paul <etchplain_at_meteoritecentral.com>
Date: Wed, 13 Feb 2019 17:24:53 -0600
Message-ID: <dd4fad39-d632-0eb3-1fdf-19f8502526a7_at_att.net>

Scientist May Have Discovered Massive Crater
Under Greenland Ice Sheet, Daily Beast, Feb. 2019
https://www.thedailybeast.com/scientist-may-have-discovered-massive-crater-under-greenland-ice-sheet

Photos: Craters Hidden Beneath the Greenland
Ice Sheet, Live Science, February 12, 2019
https://www.livescience.com/64755-photos-greenland-craters.html

The open access paper is:

Joseph A. MacGregor, William F. Bottke, Jr.,? Mark
A. Fahnestock, Jeremy P. Harbeck, Kurt H. Kj?r,
John D. Paden, David E. Stillman, and Michael
Studinger, 2019, A Possible Second Large
Subglacial Impact Crater in Northwest Greenland
First published: 11 February 2019
https://doi.org/10.1029/2018GL078126
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2018GL078126

The paper states:

"Based on the dated radiostratigraphy of the Greenland
Ice Sheet, available for pre-2014 radar data only, the
ice overlying the structure is at least 79 ka old (Figures
1e?1h; MacGregor et al., 2015)."

Yours,

Paul H.
Received on Wed 13 Feb 2019 06:24:53 PM PST