Hi Ken

Perhaps this is a dumb question, but since a gradiomenter
is essentially a shallow penetrating instrument (compared
with the field), and since the largest effect has to be the
contrast at the air-earth interface, won't the gradiomenter
be inordinately sensitive to topography? Ie: to tease geologic
signal from the data, will it not be necessary to have a very
accurate topographic model?

Peter

----- Original Message -----
From: "Ken Witherly" <[EMAIL PROTECTED]>
To: "Segmin@Lists. Geosoft. Com" <[EMAIL PROTECTED]>
Sent: Thursday, May 18, 2000 7:37 PM
Subject: [SEGMIN]: BHP's Airborne Gravity Gradiometer System


> BHP announced yesterday that their airborne gravity gradiometer system is
> flying. The attached JPEG is from a local (Melbourne) newspaper. The url
> leads to the full talk (lots of other BHP bumf), there are some additional
> images showing data from Ekati and Western Australia. Enjoy.
>
> Ken Witherly
>
> http://www.bhp.com.au/financials/brief/default.htm
>
>
> Condor Consulting, Inc.
> St. 206, 4860 Robb Street
> Wheat Ridge CO 80033
> Tel: 303-423-8475
> Fax: 303-423-9729
> www.condorconsult.com
>
>
>
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