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Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:Depth to magnetic rocks


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2013-05-16 14:07:51


The structure of and depth to the floor of the Mississippi Valley andRough Creel Grabens and surrounding regionswere interpreted from aeromagnetic data.This cover contains the depth contours for the region within thisstudy area and was clipped from the larger cover.This cover was not plotted in the Wabash Valley map series, but isincluded for those users who are interested in comparing the depthto basement from geologic data (bcontours and bfaults) to the depthto magnetic rocks (usually basement) from geophysical data.Depth units in this cover arekilometers below sea level, whereas depth units in bcontours are inthousands of feet below sea level.


Point of Contact :
Susan Rhea
Process Contact :
Susan Rhea
Distributor :
Susan Rhea
Metadata Contact :
Peter N Schweitzer
Originator :
Rhea, Susan

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12.11 KB application/fgdc+xml


The data was generated to help in understanding the seismotectonichazards in the vicinity of the lower Wabash Valley. This datacomplements similar data collected in the vicinity of New Madrid, MO(US Geological Survey Open-File Report 95-0574, available via ftp at</>)

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