The Ordovician meteorite event in North America: Age of the Slate Islands impact structure, northern Lake Superior, Ontario, Canada
Andrew F. Parisi, Elizabeth J. Catlos, Michael E. Brookfield, Axel K. Schmitt, Daniel F. Stöckli, Daniel P. Miggins, Daniel S. Campos MAPS, Version of Record online: 14 May 2024 LINK “The Slate Islands (Ontario) is…
Middle Ordovician astrochronology decouples asteroid breakup from glacially-induced biotic radiationsOPEN ACCESS
Jan Audun Rasmussen, Nicolas Thibault & Christian Mac Ørum Rasmussen Nature Communications, Volume 12, Article number: 6430 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Meso-Cenozoic evidence suggests links between changes in the expression of orbital changes…
The classification of relict extraterrestrial chrome spinels using STEM techniques on silicate inclusions
Caroline E. Caplan, Gary R. Huss, Hope A. Ishii, John P. Bradley, Birger Schmitz, and Kazuhide Nagashima Meteoritics & Planetary ScienceVersion of Record online: 04 April 2021 LINK “Remnant extraterrestrial chrome spinels from terrestrial sediments…
The Late Ordovician (Sandbian) Glasford structure: A marine‐target impact crater with a possible connection to the Ordovician meteorite event
Charles C. Monson, Dustin Sweet, Branimir Segvic, Giovanni Zanoni, Kyle Balling, Jacalyn M. Wittmer, G. Robert Ganis, Guo Cheng Meteoritics & Planetary Science First Published: 15 October 2019 LINK “The Glasford structure in Illinois (USA)…
In situ U–Pb analysis of shocked zircon from the Charlevoix impact structure, Québec, Canada
Martin Schmieder, Barry J. Shaulis, Thomas J. Lapen, Elmar Buchner, David A. Kring Meteoritics & Planetary Science First Published: 19 June 2019 LINK “Laser ablation inductively coupled plasma‐mass spectrometry (LA‐ICP‐MS) U–Pb geochronology of shocked zircon…
From the mid‐Ordovician into the Late Silurian: Changes in the micrometeorite flux after the L chondrite parent breakup
Ellinor Martin, Birger Schmitz, Hans‐Peter Schönlaub LINK Meteorit Planet Sci. . doi:10.1111/maps.13174 “We present the first reconstruction of the micrometeorite flux to Earth in the Silurian Period. We searched 321 kg of condensed, marine limestone…
Meteorite flux to Earth in the Early Cretaceous as reconstructed from sediment-dispersed extraterrestrial spinelsOPEN ACCESS
Birger Schmitz; Philipp R. Heck; Walter Alvarez; Noriko T. Kita; Surya S. Rout; Anders Cronholm; Céline Defouilloy; Ellinor Martin; Jan Smit; Fredrik Terfelt Geology July 2017, Vol.45, 807-810. doi:10.1130/G39297.1 LINK (OPEN ACCESS) PDF (OPEN ACCESS)…
Refined Ordovician timescale reveals no link between asteroid breakup and biodiversificationOPEN ACCESS
A. Lindskog, M. M. Costa, C.M.Ø. Rasmussen, J. N. Connelly & M. E. Eriksson Nature Communications 8, Article number: 14066 (2017) doi:10.1038/ncomms14066 Published online: 24 January 2017 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The high…
Rare meteorites common in the Ordovician periodOPEN ACCESS
Philipp R. Heck, Birger Schmitz, William F. Bottke, Surya S. Rout, Noriko T. Kita, Anders Cronholm, Céline Defouilloy, Andrei Dronov & Fredrik Terfelt Nature Astronomy 1 Article number: 0035 (2017) doi:10.1038/s41550-016-0035 Published online: 23 January…
The Lawn Hill annulus: An Ordovician meteorite impact into water-saturated dolomite.
Darlington, V., Blenkinsop, T., Dirks, P., Salisbury, J. and Tomkins, A. Meteoritics & Planetary Science. doi: 10.1111/maps.12734 First published: 21 October 2016 LINK “The Lawn Hill Impact Structure (LHIS) is located 250 km N of…
A new type of solar-system material recovered from Ordovician marine limestoneOPEN ACCESS
B. Schmitz, Q. -Z. Yin, M. E. Sanborn,M. Tassinari,C. E. Caplan & G. R. Huss Nature Communications 7, Article number:ncomms11851 doi:10.1038/ncomms11851 Published 14 June 2016 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “From mid-Ordovician ~470 Myr-old limestone…
The Composition of the Flux of Micrometeorites after the L-Chondrite Parent Body Breakup ~470 Ma Ago: ≤1% H Chondritic, ≥99% L Chondritic
P. R. Heck, B. Schmitz, S. S. Rout, T. Tenner, K. Villalon, A. Cronholm, F. Terfelt, N. T. Kita 47th Lunar and Planetary Science Conference (2016), Abstract #1191 PDF
A search for H-chondritic chromite grains in sediments that formed immediately after the breakup of the L-chondrite parent body 470 Ma ago
Philipp R. Heck, Birger Schmitz, Surya S. Rout, Travis Tenner, Krysten Villalon, Anders Cronholm, Fredrik Terfelt, Noriko T. Kita Geochimica et Cosmochimica Acta doi:10.1016/j.gca.2015.11.042 In Press, Accepted Manuscript, Available online 23 January 2016 LINK “A…
Chromium Isotopes in Ordovician Fossil Meteorites and the Quest for the Impactor that Broke Up the L-Chondrite Parent Body
Schmitz B., Yin Q.-Z., Sanborn M. E., Tassinari M. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5037 abstract (PDF)
Cosmic-ray exposure ages of fossil micrometeorites from mid-Ordovician sediments at Lynna River, Russia
Meier MMM, Schmitz B, Lindskog A, Maden C and Wieler R (in press) Geochimica et Cosmochimica Acta Volume 125, 15 January 2014, Pages 338–350 LINK
