Take a look at Ravat et al., 2007, Geophys J. Int'l v169, p 421-434 "A study of spectral methods of estimating the depth to the bottom of magnetic sources from near-surface magnetic anomaly data"
On 5/18/2015 10:10 AM, solomonjanjaro <[email protected]> wrote: > > ED CUNION, > In a situation where I have only aeromagnetic data to use.....which > other methods do I use? Please suggest. > Solomon > > On 18 May 2015 17:05, "edcunion <[email protected] > <mailto:lt%[email protected]>>" <[email protected] > <mailto:[email protected]>> wrote: > > Beside longer wavelength magnetic data other available datasets > that might be tried to crosscheck the mag result depths > are regional gravity, satellite gravity datasets are freely > available on the web with Grace being just one example, seismic > surface wave shear velocity models (coarse in some areas) may > also help, some of these data too are obtainable on the web, and > regional MT studies, Alan Jones and his teams have published > several papers with images from different continents, there may > be some regional depth inferences in these MT papers. > Ed Cunion > Red Rocks Geophysical Consulting > 13224 W Utah Circle > Lakewood, CO 80228 USA > email: [email protected] <mailto:[email protected]> > > > > On Monday, May 18, 2015 6:49 AM, "solomonjanjaro > <[email protected] <mailto:[email protected]>>" > <[email protected] <mailto:[email protected]>> wrote: > > > Dear all. > Please I need help on different methods of determining crustal > thickness using aeromagnetic data. > 1. I have upward continued filter on my residual data and window > a block of 66x66 km and I have 16 blocks of this size over my > study area and I have also used this formula Zb=2Zo - Zt > Where Zb = curie depth > Zo = depth to centroid > Zt= depth to top > But want other methods to confirm result. > Thank you > Solomon Nehemiah Yusuf > PhD student( Mautech Nigeria) > --- > Forum archives can be accessed here: > http://lyris.geosoft.com/read/?forum=geonet > <http://lyris.geosoft.com/read/?fourm=geonet> > You are currently subscribed to geonet as: [email protected] > <mailto:[email protected]>. > To subscribe or unsubscribe from any of our forums, select the > User Forum selection on the Geosoft Community page: > http://www.geosoft.com/support/community/forums/register/ > > > --- > > Forum archives can be accessed here: > http://lyris.geosoft.com/read/?forum=geonet > <http://lyris.geosoft.com/read/?fourm=geonet> > > You are currently subscribed to geonet as: > [email protected] <mailto:[email protected]>. > > To subscribe or unsubscribe from any of our forums, select the > User Forum selection on the Geosoft Community page: > http://www.geosoft.com/support/community/forums/register/ > > --- > > Forum archives can be accessed here: > http://lyris.geosoft.com/read/?forum=geonet > <http://lyris.geosoft.com/read/?fourm=geonet> > > You are currently subscribed to geonet as: > [email protected] <mailto:[email protected]>. > > To subscribe or unsubscribe from any of our forums, select the User > Forum selection on the Geosoft Community page: > http://www.geosoft.com/support/community/forums/register/ > -- Steven Sheriff Professor Emeritus of Geophysics University of Montana Missoula, MT USA 59812 www.umt.edu/geosciences --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: [email protected]. To subscribe or unsubscribe from any of our forums, select the User Forum selection on the Geosoft Community page: http://www.geosoft.com/support/community/forums/register/
