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SIGNAL SEPARATION TO REVEAL SUBTLE FEATURES IN GRAVITY AND MAGNETIC DATA FROM THE BELLEFONTAINE OUTLIER, OHIO

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Title: SIGNAL SEPARATION TO REVEAL SUBTLE FEATURES IN GRAVITY AND MAGNETIC DATA FROM THE BELLEFONTAINE OUTLIER, OHIO
Creators: Fidler, Michael L. Jr.; Noltimier, Hallan C.
Issue Date: 2006-04-21
Abstract: Fidler, Michael L. Jr and Noltimier, Hallan C., 2006, Signal separation to review subtle features in gravity and magnetic data from the Bellefontaine outlier, Ohio [poster]: Geological Society of America North-Central Section 40th Annual Meeting, 2006, Session 38, Paper 38-2. Abstract published: Geological Society of America, Abstracts with Programs, Vol. 38, No. 4, p. 76; http://gsa.confex.com/gsa/2006NC/finalprogram/abstract_103533.htm At previous GSA meetings the general basement topography and structure of the Bellefontaine Outlier region of Ohio has been presented in poster format based upon our own detailed gravity and magnetic survey data and the COCORP Ohio #1 seismic survey which crossed the region. Recent experimentation with signal separation has brought new structural details to light. By removing the major gravity and magnetic signals from their respective data sets and re-normalizing the resulting data to isolate small scale variations, many features become visible. Correlation of these new details hidden within the gravity and magnetic survey data sets is presented as well as correlation with surface topographic features. For example: A north-east trending basement fault correlates with surface topography.
URI: http://hdl.handle.net/1811/6356
Publisher: Geological Society of America
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