World's oldest impact crater dated in Australian outback.
Sign Up to like & getrecommendations! Published in 2019 at "Science"
DOI: 10.1126/science.365.6456.852
Abstract: In the outback of Western Australia, researchers have shown that shocked rocks were forged 2.229 billion years ago, when an asteroid crashed into our planet. The finding makes Yarrabubba crater, the 70-kilometer-wide scar left by… read more here.
Keywords: crater; world oldest; impact crater; impact ... See more keywords
Borehole magnetic surveys in weakly magnetic sediments (Chicxulub impact crater) versus strongly magnetic volcanics (Bathurst mining camp)
Sign Up to like & getrecommendations! Published in 2019 at "Canadian Journal of Earth Sciences"
DOI: 10.1139/cjes-2018-0040
Abstract: Borehole navigation surveys performed using a triaxial fluxgate magnetometer record the change in orientation of the magnetic vector versus depth. Variations in the orientation of the magnetic vector arise from either on- or off-hole magnetic… read more here.
Keywords: borehole magnetic; chicxulub impact; versus; hole magnetic ... See more keywords