Fredrik Terfelt

2024

Unusual sources of fossil micrometeorites deduced from relict chromite in the small size fraction in ~467 Ma old limestone

Heck, P. R., Schmitz, B., Ritter, X., Rout, S. S., Kita, N. T., Defouilloy, C., Keating, K., Eisenstein, K. & Terfelt, F., 2024, In: Meteoritics and Planetary Science. 59, 3, p. 502-513

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Open Access

2023

The breakup of the L-chondrite parent body 466 Ma and its terrestrial effects-a search for a mid-Ordovician biodiversity event

Schmitz, B. & Terfelt, F., 2023, In: Estonian Journal of Earth Sciences. 72, 1, p. 94-97 4 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2021

Asteroid break-ups and meteorite delivery to Earth the past 500 million years

Terfelt, F. & Schmitz, B., 2021 Jun 15, In: Proceedings of the National Academy of Sciences of the United States of America. 118, 24, e2020977118.

Research output: Contribution to journal › Article › peer-review

Open Access

2020

The micrometeorite flux to Earth during the earliest Paleogene reconstructed in the Bottaccione section (Umbrian Apennines), Italy

Boschi, S., Schmitz, B., Martin, E. & Terfelt, F., 2020 Jul 1, In: Meteoritics and Planetary Science. 55, 7, p. 1615-1628 14 p.

Research output: Contribution to journal › Article › peer-review

The age of the Middle Ordovician Winneshiek Shale: reply to a critical review by Lindskog & Young (2019) of a paper by Bergström et al. (2018a)

Bergström, S. M., Schmitz, B., Liu, H. P., Terfelt, F. & Mckay, R. M., 2020 Jan, In: Lethaia. 53, 1, p. 1-4 4 p.

Research output: Contribution to journal › Article › peer-review

The δ¹³C chemostratigraphy of Ordovician global stage stratotypes: geochemical data from the Floian and Sandbian GSSPs in Sweden

Bergström, S. M., Schmitz, B., Terfelt, F., Eriksson, M. E. & Ahlberg, P., 2020, In: GFF. 142, 1, p. 23-32 10 p.

Research output: Contribution to journal › Article › peer-review

2019

An extraterrestrial trigger for the mid-Ordovician ice age: Dust from the breakup of the L-chondrite parent body

Schmitz, B., Farley, K. A., Goderis, S., Heck, P. R., Bergström, S. M., Boschi, S., Claeys, P., Debaille, V., Dronov, A., van Ginneken, M., Harper, D. A. T., Iqbal, F., Friberg, J., Liao, S., Martin, E., Meier, M. M. M., Peucker-Ehrenbrink, B., Soens, B., Wieler, R. & Terfelt, F., 2019 Sept 18, In: Science Advances. 5, 9, eaax4184.

Research output: Contribution to journal › Article › peer-review

The micrometeorite flux to Earth during the Frasnian–Famennian transition reconstructed in the Coumiac GSSP section, France

Schmitz, B., Feist, R., Meier, M. M. M., Martin, E., Heck, P. R., Lenaz, D., Topa, D., Busemann, H., Maden, C., Plant, A. A. & Terfelt, F., 2019 Sept 15, In: Earth and Planetary Science Letters. 522, p. 234-243 10 p.

Research output: Contribution to journal › Article › peer-review

2018

High-resolution δ¹³C_org chemostratigraphy links the Decorah impact structure and Winneshiek Konservat-Lagerstätte to the Darriwilian (Middle Ordovician) global peak influx of meteorites

Bergstrom, S. M., Schmitz, B., Liu, H. P., Terfelt, F. & Mckay, R. M., 2018 Jan, In: Lethaia. 51, 4, p. 504-512

Research output: Contribution to journal › Article › peer-review

2017

Local and trans-Atlantic chemostratigraphic significance of new δ¹³C_carb data from the Sandbian and Katian Stages (Middle–Upper Ordovician) of the Oslo region, Norway

Bergström, S. M., Bruton, D. L., Schmitz, B. & Terfelt, F., 2017 Oct 26, In: GFF. 139, 4, p. 289-300

Research output: Contribution to journal › Article › peer-review

Late Eocene ³He and Ir anomalies associated with ordinary chondritic spinels

Boschi, S., Schmitz, B., Heck, P. R., Cronholm, A., Defouilloy, C., Kita, N. T., Monechi, S., Montanari, A., Rout, S. S. & Terfelt, F., 2017 May 1, In: Geochimica et Cosmochimica Acta. 204, p. 205-218 14 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Rare meteorites common in the Ordovician period

Heck, P. R., Schmitz, B., Bottke, W. F., Rout, S. S., Kita, N. T., Cronholm, A., Defouilloy, C., Dronov, A. & Terfelt, F., 2017 Jan 23, In: Nature Astronomy. 1, p. 1-6 7 p., 0035.

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Palaeozoic 'conodont pearls' and other phosphatic micro-spherules

Lindskog, A., Eriksson, M. E., Bergström, S. M., Terfelt, F. & Marone, F., 2017 Jan, In: Lethaia. 50, 1, p. 26-40

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Meteorite flux to Earth in the Early Cretaceous as reconstructed from sediment-dispersed extraterrestrial spinels

Schmitz, B., Heck, P. R., Alvarez, W., Kita, N. T., Rout, S. S., Cronholm, A., Defouilloy, C., Martin, E., Smit, J. & Terfelt, F., 2017, In: Geology. 45, 9, p. 807-810 4 p.

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Open Access

2016

A search for H-chondritic chromite grains in sediments that formed immediately after the breakup of the L-chondrite parent body 470 Ma ago

Heck, P. R., Schmitz, B., Rout, S. S., Tenner, T., Villalon, K., Cronholm, A., Terfelt, F. & Kita, N. T., 2016, In: Geochimica et Cosmochimica Acta. 177, p. 120-129 10 p.

Research output: Contribution to journal › Article › peer-review

Baring it all- undressing Cambrian ´Orsten´phosphatocopine arthropods using synchrotron X-ray tomographic microscopy

Eriksson, M., Terfelt, F., Elofsson, R., Maas, A., Marone, F., Lindskog, A., Waloszek, D., Schmitz, B. & Stampioni, M., 2016, In: Lethaia. 49, 3, p. 312-326

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2015

Fragments of Late Eocene Earth-impacting asteroids linked to disturbance of asteroid belt

Schmitz, B., Boschi, S., Cronholm, A., Heck, P. R., Monechi, S., Montanari, A. & Terfelt, F., 2015, In: Earth and Planetary Science Letters. 425, p. 77-83

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Open Access

Intraspecific variation and taphonomic alteration in the Cambrian (Furongian) agnostoid Lotagnostus amerkanus: new information from China

Peng, S., Babcock, L., Zhu, X., Ahlberg, P., Terfelt, F. & Dai, T., 2015, In: Bulletin of Geosciences. 90, 2, p. 281-306

Research output: Contribution to journal › Article › peer-review

Open Access

Mollusk maxima and marine events in the Middle Ordovician of Baltoscandia

Lindskog, A., Eriksson, M., Tell, C., Terfelt, F., Martin, E., Ahlberg, P., Schmitz, B. & Marone, F., 2015, In: Palaeogeography, Palaeoclimatology, Palaeoecology. 440, p. 53-65

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Obituary Lennart Jeppsson 1940-2015

Bergström, S. M., Ahlberg, P., Calner, M., Eriksson, M., Schmitz, B. & Terfelt, F., 2015, In: The Palaeontological Association Newsletter. 89, p. 103-105

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2014

A fossil winonaite-like meteorite in Ordovician limestone: A piece of the impactor that broke up the L-chondrite parent body?

Schmitz, B., Huss, G. R., Meier, M., Peucker-Ehrenbrink, B., Church, R., Cronholm, A., Davies, M. B., Heck, P. R., Johansen, A., Keil, K., Kristiansson, P., Ravizza, G., Tassinari, M. & Terfelt, F., 2014, In: Earth and Planetary Science Letters. 400, p. 145-152

Research output: Contribution to journal › Article › peer-review