[meteorite-list] Ocean Drilling Perspectives on Meteorite Impacts

2019-02-13 Thread Paul via Meteorite-list

Christopher Lowery, Joanna V. Morgan, Sean P. S. Gulick,
Timothy J. Bralower, Gail Christeson, Expedition 364 Scientists,
2018, Ocean Drilling Perspectives on Meteorite Impacts
Created on August 08, 2018, Last edited on December 03, 2018
https://eartharxiv.org/j9zfk/

Supplemental materials: https://osf.io/u287b/

Yours,

Paul H.
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[meteorite-list] Rest in Peace (RIP)

2019-02-13 Thread Don Merchant via Meteorite-list

Rest in Peace (RIP) Mars Opportunity Rover :(

https://www.washingtonpost.com/science/2019/02/13/opportunity-nasas-record-setting-mars-rover-is-declared-dead-after-years/?noredirect=on

Cheers
Don 



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

2019-02-13 Thread Paul via Meteorite-list

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. Kjær,
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.

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[meteorite-list] Meteorite Picture of the Day

2019-02-13 Thread Paul Swartz via Meteorite-list
Today's Meteorite Picture of the Day: Cape York

Contributed by: Lucian Cojocaru

http://www.tucsonmeteorites.com/mpodmain.asp?DD=02/13/2019
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