Matt WillemsenMajor North American oil source yields clues to one of Earth's deadliest mass extinctions - The team pinpointed a major trigger of several closely spaced biotic crises during the late Devonian Period almost 350 million years ago: euxinia, or the depletion of oxygen and expansion of hydrogen sulfide in large bodies of water. https://phys.org/news/2023-03-major-north-american-oil-source.html #BakkenShale #oil #MassExtinction #euxinia
Major North American oil source yields clues to one of Earth's deadliest mass extinctions
The Bakken Shale Formation—a 200,000-square-mile shale deposit below parts of Canada and North Dakota—has supplied billions of barrels of oil and natural gas to North America for 70 years. A new discovery reveals that the rocks also open a uniquely informative window into Earth's complicated geological history.