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This website supports a working hypothesis that large asteroid and comet impacts on Earth significantly contribute to plate tectonics. This viewpoint is currently not accepted in most professional planetary geological forums. The concepts are new and the topic controversial.  It's a work in progress, and the Internet is awesome, so judge for yourselves....  

 

Tectonics Blog

2020-07-12 Old Pacific mayhem; three suspected bolide-impact events of Cretaceous age with global consequencess

2020-02-15 Mid-Cenozoic tectonic disruption of the Central Appalachians by the Chesapeake Invader

2020-02-12 Impact Tectonics; beyond the Craters


HTML doc HTML Files

2014 Earth Continental Geology by Era and Grayshade Sea-Floor Physiography

2010 Far-field Bolide-Impact Strains on Earth                              

2007 Plate-splitting impact in the Congo Basin

2007 North American Plate, Mid-Atlantic inversion and the Chesapeake Invader

2007 Neotectonics of the North and Central America and West Central Atlantic Regions 


PODCASTS

 

Plate Tectonic Actualism; Far-field Lithospheric Strains from Large-bolide Impacts: RVCC Science Seminar 02-11-2019

 

 

GOOGLE EARTH FILES KMZ files                                                       

image icon 2016-03 GCH Earth Impact Tectonics with Chicxulub crustal-fracture model

2015 Chesapeake Invader Virginia USA

2015 Chicxulub and Chesapeake impacts

2015 Earth Impact Crater database

2007 Geophysical Earth in Geographic Space


MS EXCEL FILE

2008 Excel Worksheet with Magnetic Polarity Timescale and Impact Crater Diameter


AutoCAD R12 Solid-object model of an oblique impact on Earth AUTOCAD MODELS

 3D Geometry of Overlapped, Far-Field Impact Strains

 3D Geometry of an Oblique Impact 


SketchUP file SketchUp Pro Models

A 3D SketchUP Model of the Yellowstone Caldera and Farallon Plate


 
IT animation  
Imagery Earth imagery  GE files Google Earth  MS Excel  
   
G.C. Herman 2020-09-14