Category Archives: Seismic Tomography

The State of the Onion

Posted on February 1, 2015 by gymnosperm

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 | Leave a comment

The Pacific Triangle, The Pacific doughboy, and the wave

Posted on July 14, 2014 by gymnosperm

Folks just don’t seem to have their arms around the disarray in the earth sciences these days. Climate science and plate theory are going to have to be rebuilt from the ground up, or more appropriately from the core-mantle boundary. … Continue reading →

Posted in Geography, Geoid, Geology, Large Igneous Provinces, LLSVP, LLSVP's are Doughboys, Oceanography, Pacific Triangle, Paleogeography, Plate Tectonics, Seafloor Isochrons, Seismic Tomography | Tagged , | Leave a comment

Russians R Us

Posted on July 5, 2014 by gymnosperm

So perhaps you are red headed and fancy yourself Celtic. Well, I’ve got news for you. There may have been a few red genes somewhere but the Celtic genome and culture were centered in France and characterized by brown hair … Continue reading →

Posted in Anthropology, Geography, History, Plate Tectonics, Seismic Tomography | Tagged , , , | Leave a comment

The Pacific Doughboy and the Core

Posted on April 22, 2014 by gymnosperm

Here at the Trunkmonkey Research Institute we’ve been possessed of late by the Doughboys. This representation is not really very good. It is a plate carree projection extruded as a box. Trouble is, when you bend it round like our … Continue reading →

Posted in Climate, Geoid, Geology, LLSVP, LLSVP's are Doughboys, Seismic Tomography | Tagged , | Leave a comment

Doughboys

Posted on April 13, 2014 by gymnosperm

I have seen the following attributed to Ritsema and van Heist but have not found it in any of their papers. People with no sense of verbal aesthetics have named the red things LLSVP’s for Large Low Shear Velocity Provinces. Sometimes they … Continue reading →

Posted in Africa Keystone of Pangea, Asthenia, Geoid, Geology, Large Igneous Provinces, LLSVP, LLSVP's are Doughboys, Moho, Seismic Tomography | Tagged , , | 1 Comment

Huston, We have a Few More Problems

Posted on April 7, 2014 by gymnosperm

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 , , , | Leave a comment