Results 291 to 300 of about 164,975 (347)

High‐Resolution Tracking of Baltica's Northward Drift in the Ordovician

open access: yesGeophysical Research Letters, Volume 52, Issue 7, 16 April 2025.
Abstract We investigated the paleogeography of Baltica via a paleomagnetic study of 471‐454 Ma limestones from the Siljan (Sweden) impact structure. Stepwise thermal demagnetization isolated a well‐defined magnetization component that unblocks up to the Curie temperature of magnetite and passes fold and reversal tests, indicative of a primary ...
Nastaran Ahanin, Stuart A. Gilder
wiley   +1 more source

Focused ion beam recovery of hypervelocity impact residue in experimental craters on metallic foils

open access: green, 2006
G. A. Graham   +5 more
openalex   +2 more sources

Crustal Magnetization Source Depths North of the Caloris Basin, Mercury

open access: yesGeophysical Research Letters, Volume 52, Issue 7, 16 April 2025.
Abstract Magnetic measurements collected by the MESSENGER spacecraft showed that Mercury has a crustal magnetic field in addition to a core magnetic field. Within the region of data availability, this crustal magnetic field is strongest in the vicinity of the Caloris impact basin.
R. Kalski   +3 more
wiley   +1 more source

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