NOVA Ancient Earth: Frozen
Published:
It was an honor to be interviewed for this episode of for PBS’s NOVA Ancient Earth: Frozen!
News
2023
A Bayesian inversion for emissions and export productivity across the end-Cretaceous boundary
Published:
Press coverage: Wired “An Epic Fight Over What Really Killed the Dinosaurs” by Matt Simon | Astrobiology “Innovative Approach Reveals Environmental Mechanisms Of The End-Cretaceous Extinction” by Keith Cowing | s well as the AAAS press release and others listed at https://science.altmetric.com/details/154729247/news
2022
Continental flood basalts drive Phanerozoic extinctions
Published:
Press coverage: Dartmouth News: “What Killed Dinosaurs and Other Life on Earth?” by Harini Barath | Discover: Did Massive Volcanic Eruptions Drive Dinosaurs to Become Extinct? by Sam Walters | Forbes: “Volcanic ‘Mega-Eruptions’ Have Been The Key Driver Of Mass Extinctions, New Study Claims” by David Bressan | Earth.com: “Volcanoes were the key driver of Earth’s mass extinctions” by Chrissy Sexton | Al Jazeera: “تسبب في موت الديناصورات وخنق الحياة الأخرى على الأرض؟” | as well as the Dartmouth press release and other coverage listed at https://pnas.altmetric.com/details/135836535/news
Thermochronologic constraints on the origin of the Great Unconformity
Published:
Press coverage: Vice: “A Billion Years of Time Are Mysteriously Missing. Scientists Think They Know Why” by Becky Ferreira | Forbes: “New Study Suggests ‘Missing Billion Years’ In Rock Record Carved Away By ‘Snowball Earth’ Glaciers” by David Bressan | AGU Eos: “The Great Unconformity or Great Unconformities?” by Alka Tripathy-Lang | CBC Radio: “How rocks in northern Saskatchewan helped solve a geological puzzle” | PNAS Science Sessions Podcast: “Origin of the Great Unconformity” | as well as the Dartmouth press release and other coverage listed at https://pnas.altmetric.com/details/121569768/news
2020
PBS Eons: When a Billion Years Disappeared
Published:
Our work on the origin of the Great Unconformity was recently featured in PBS Eons “When a Billion Years Disappeared”! You can also watch the full episode on youtube
2019
Neoproterozoic Glacial Origin of the Great Unconformity
Published:
Press coverage: National Geographic: “Earth is missing a huge part of its crust. Now we may know why.” by Robin George Andrews | Los Angeles Times: “Around the world, miles of rock are missing. Could ‘Snowball Earth’ be the culprit?” by Julia Rosen | AGU Eos: “Did Global Glaciation Cause the Great Unconformity?” by Adityarup Chakravorty | Ars Technica: “What could have wiped 3km of rock off the entire Earth?” by Scott K. Johnson | Spektrum: “Die Lücke in der Erdgeschichte” by Daniel Lingenhöhl | Le Figaro: “La Terre n’a pas toujours été bleue” | History.com “An Entire Layer of Earth’s History Could Have Been Ripped Away by Ice” | among others listed at https://pnas.altmetric.com/details/53325517/news
2018
Looking for students
Published:
In March of 2019 I’ll be joining the Department of Earth Sciences at Dartmouth as an assistant professor, so will be looking for future grad students!
Which came first: complex life or high atmospheric oxygen?
Published:
UC Berkeley press release for the new paper out this week in Nature “A record of deep-ocean dissolved O2 from the oxidation state of iron in submarine basalts” by Stolper and Keller.
2017
The Igneous Architecture of Arcs throughout the Crustal Column
Published:
Barbara Ratschbacher, Kyle Samperton, Katie Ardill and I will be convening a session on arc magmatism at the 2018 Goldschmidt Conference in Boston (August 12-18th). Abstract submission will begin in early 2018 - read more here
Plate tectonics and basalt geochemistry
Published:
New paper on basalt geochemistry with implications for the prevalence of plate tectonics and arc-style magmatism (hydrous flux melting) throughout the preserved continental rock record. Read all about it here!