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Category Archives: Magnetic Reversals
The Cretaceous Superchron, Beaufort Isochrons, and the Motion of North America
In the last post we explored a very peculiar set of seafloor isochrons in the Beaufort Sea and Arctic ocean. We found that a perpendicular shift in seafloor spreading defined the Cretaceous Normal Superchron, the longest known period in earth … Continue reading
The State of the Onion
Let’s say the way this planet works is an onion. There are many layers and they interact in ways far more complex than onion rings. Yet we have to start somewhere, and peeling back the layers of this onion can … Continue reading
Posted in Climate, Geology, LLSVP's are Doughboys, Magnetic Reversals, Moho, Oceanography, Seismic Tomography
Tagged missing energy
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Huston, We have a Few More Problems
Humans are not naturally inclined to science. We yearn for certainty, the sort of certainty mathematical equations could provide if only we could be certain of the factors. We cannot. We don’t really yearn for mathematics, it is just another … Continue reading
Posted in Asthenia, Geology, Large Igneous Provinces, Magnetic Reversals, Moho, Oceanography, Plate Tectonics, Seismic Tomography
Tagged Moho, P waves, S waves, Seismotomography
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Large Igneous Provinces, Temperature, Sea Level, and Extinctions
We had been looking at the stuff one can easily google regarding global temperature and large igneous provinces (LIP’s) and it seemed there might be something, so we dug in. There is an organization, largeigneousprovinces.org, that has excel data in … Continue reading
Around the World in Eighty Million Years
We have been doing a puzzle like you might have been given in first grade where there is some large animal with lines missing and your job is to connect the dots and fill it in. The joy is still … Continue reading
Wild Idea #6743: Possible Impact Signatures in Seafloor Isochrons
Who knows from what depths the well of ideas flows? For me it is often during the liberation of rote manual work that frees some bandwidth while still requiring a minimal level of focus and blood flow to the brain. … Continue reading
Bad Hair Days and Magnetic Excursions
This picture of a model simulating the weakened and divided magnetic field during a reversal should be in the thesaurus when you look up “bad hair day”. If this is anywhere near correct it should be no surprise that the nano … Continue reading
Seafloor Isochrons Place a Hard Limit on Crustal Disintegration from the Chicxulub Impact
I always thought the entire form of the Gulf of Mexico might be the crater from the Chicxulub impact reputed to have wasted the dinosaurs. My imagination runs with that name. So much to work with. Chicxyclub…well, Club Med impact … Continue reading
Posted in Asteroid Impacts, Geography, Geology, Magnetic Reversals, Oceanography, Plate Tectonics
Tagged Chicxulub, Chicxulub crater, Club Med, Gulf of Mexico
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Great Mysteries of Nature Nobody Seems to be Thinking About
This list will be changed from time to time and some mysteries will be developed into posts. In some sense they all speak to our lack of understanding of the magnetic and gravitational forces that bear down on us. 1. … Continue reading
Posted in Climate, Geography, Geology, Magnetic Reversals, Plate Tectonics
Tagged Bermuda, Bermuda Triangle, Geomagnetic reversal, Gravitation, Magnetism, North Pole, Proterozoic, South Pole
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Gravity and Magnetism
This post follows the last two which were inspired by discovering that the virtual geomagnetic pole (VGP) wander path during the Laschamp reversal as revealed in Black Sea sediments by the work of Norbert R. Nowaczyk consistently follows lows in … Continue reading
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