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

B Schmitz, KA Farley, S Goderis, PR Heck… - Science …, 2019 - science.org
The breakup of the L-chondrite parent body in the asteroid belt 466 million years (Ma) ago
still delivers almost a third of all meteorites falling on Earth. Our new extraterrestrial chromite …

Refined Ordovician timescale reveals no link between asteroid breakup and biodiversification

A Lindskog, MM Costa, CMØ Rasmussen… - Nature …, 2017 - nature.com
The catastrophic disruption of the L chondrite parent body in the asteroid belt c. 470 Ma
initiated a prolonged meteorite bombardment of Earth that started in the Ordovician and …

Megascopic processes reflected in the microscopic realm: sedimentary and biotic dynamics of the Middle Ordovician “orthoceratite limestone” at Kinnekulle, Sweden

A Lindskog, ME Eriksson - Gff, 2017 - Taylor & Francis
Abstract The Middle Ordovician (Da**ian–middle Darriwilian)“orthoceratite limestone” is
documented in its traditional type area at Kinnekulle in the province of Västergötland in …

Baltoscandian conodont biofacies fluctuations and their link to Middle Ordovician (Darriwilian) global cooling

JA Rasmussen, S Stouge - Palaeontology, 2018 - Wiley Online Library
Abstract The Middle Ordovician conodont genera that are suitable for palaeoenvironmental
interpretations from the epicontinental Baltoscandian platform have been identified and …

L-chondrite body breakup in Ordovician strata in China-A time tie point globally and across the inner solar system

TA Zhang, SY Liao, RC Wu, B Schmitz - Earth and Planetary Science …, 2024 - Elsevier
More than a quarter of all meteorites falling on Earth today originate from the breakup of the
L-chondrite parent body (LCPB)∼ 470 Ma ago, the largest documented asteroid breakup in …

Plywood‐like shell microstructures in hyoliths from the middle Cambrian (Drumian) Gowers Formation, Georgina Basin, Australia

JL Moore, SM Porter - Palaeontology, 2018 - Wiley Online Library
Hyoliths are a group of Palaeozoic fossils with calcareous shells whose affinities remain
controversial. As their shells were originally aragonitic, their fossils are usually coarsely …

An integrated stratinomic model for the genesis and concentration of “small shelly fossil”-style phosphatic microsteinkerns in not-so-exceptional conditions

RL Freeman, BF Dattilo, CE Brett - Palaeogeography, Palaeoclimatology …, 2019 - Elsevier
Carbonate fluorapatite-filled millimeter-scale microsteinkerns are a key element of the
“Small Shelly Fossil”(SSF) fauna generally associated with the late Proterozoic–Cambrian …

[PDF][PDF] The Cambrian–Ordovician succession at Lanna, Sweden: stratigraphy and depositional environments

A Lindskog, AML Lindskog… - Estonian Journal of …, 2018 - pdfs.semanticscholar.org
A ca 20 m thick succession of upper Furongian (Cambrian Stage 10) through Middle
Ordovician (Darriwilian) strata exposed at Lanna, in the province of Närke, south-central …

Conodont biostratigraphy and carbon isotope stratigraphy of the Middle Ordovician (Darriwilian) Komstad Limestone, southern Sweden

RC Wu, M Calner, O Lehnert, A Lindskog… - Gff, 2018 - Taylor & Francis
Abstract The Komstad Limestone forms a distal part of the widespread 'orthoceratite
limestone'of the Baltoscandian continent. In this paper, we present an integrated conodont …

En detaljerad undersökning av kalkstenslager i den mellanordoviciska gullhögenformationen på Billingen i Västergötland

L Gleisner - Examensarbeten i geologi vid Lunds universitet, 2021 - lup.lub.lu.se
Under mellanordovicium täcktes paleokontinenten Baltica av ett grundhav och i det
temperade klimatet som rådde avsattes långsamt kallvattenkarbonater som kom att täcka …