IMPACTTECTONICS.ORG

G.C. Herman's Earth-Science Blogs 

	A SketchUp Pro model of Earth's 3D Mantle plumes based on the S362ANI+M S-wave velocity model by Moulik and Ekstrom (2014) Moulik, P., and Ekstrom, G., 2014, An anisotropic shear velocity model of the Earth’s mantle using normal modes, body waves, surface waves and long-period waveforms: Geophysical Journal International, vol. 199, p. 1713–1738; GJI Seismology, DOI: 10.1093/gji/ggu356
2020 Some physical aspects of the Giza pyramids: Old-Kingdom Science and Engineering	2020 The Hydrogeological and Tectonic Nature of the Nazca Lines
2022 Aspects of a Nasca Hillside Ceremony Site used for 'Moche Toss'	2014 Google Earth Continental Geology by Era and Sea-Floor Physiography
2021 Stone mounds atop Cushetunk Mountain	2021 Paleo-Indian Clovis point GH1 from along the Susquehanna River North Branch
2021 Earth's mantle as an electromagnetic-field component, with implications for geomagnetic reversals	2021 One bad period on Earth about 800,000 B.P.
2020 Impact Tectonics; Beyond the Craters	2020 Return to Devil's Gate
10/2022 Earth's_mantle_plumes_and _magnetic_field.mp4 or the musical version	2019 3D SketchUp and Google Earth Model of the Yellowstone Calderas and Farallon Plate
2007 Plate splitting impact in the Congo Basin; bedrock geology, plate motions and diamonds	2010 2 Known and 6 Suspected Large-Bolide Impacts on Earth, with Plate Boundaries and Current Plate GPS Horizontal Velocities