Transparent Earth Geophysics

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Our Gravity Technology Services

Since 2012 we have been assisting our clients to acquire airborne and marine gravity data using the GT-2A gravimeter. We currently have four GT-2A (the “A” stands for Airborne) systems in our equipment pool.

Transparent Earth Geophysics Provides Gravity Technology and Services, Globally.

 

World map showing our geophysical survey project locations.
Countries shaded in blue are where members of our team have worked on gravity projects.

 

New Integrated Gravimetry and Gravity Gradiometry Service

We are now proud to introduce the GTz® gravimeter to our clients. The first GTz® will shortly commence operations with Bell Geospace to allow clients to access integrated FTG and GTz® gravimeter data products. The GTz® is significantly smaller and lighter than the GT-2A, and has an improved thermal control system.

The two images below give some idea of the sort of improvements that can be expected.  Gravity and gravity gradiometry data from Arnhem Land, NT, Australia were collected independently in 2003 (GT-1A) and 2006 (Bell Geospace FTG). The top image shows the GT-1A free air anomaly data reprocessed to produce 4km resolution, and the bottom image shows the combined GT1A & FTG Gravity, or Tze, data produced by Bell Geospace.  The latter displays significantly more high frequency information content.

Gradiometry Data

Bell Geospace logoPlease contact Bell Geospace for more details about this service.

 

Continuation of Existing Gravimetry Services

The GT-2A gravimeters and the GTz gravimeters can be flown at constant altitude or in drape-mode. Download Technical Note: GT-2A Gravimeter Repeat Line Example showing the resulting Free-Air anomaly on a repeat line flown under both flight modes.

All of our gravimeters are easily installed, and can be operated remotely, removing the need for one of our staff to accompany the instrument to the field. This results in significant cost savings to clients. We download data to our Head office where we undertake QC processing on a daily basis, and final processing following completion of data acquisition.

Please contact Transparent Earth Geophyics' Operations Manager, Wayne Hewison, for more information at .

Gravimeters

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GTz®

The GTz® gravimeter is an upgrade of the GT-2A. It is significantly smaller and lighter than the GT-2A, (60kg compared to 175kg as mounted in the aircraft) although it uses the same 3 axis stabilised platform. The smaller size and lighter weight enables the GTz® to be installed in smaller aircraft, reducing operating costs.

Download the specifications sheet: GTz® Gravimeter

GT-2A Gravimeter

GT-2A

The GT gravity technology was designed by award winning engineers in Moscow in partnership with Canadian Micro Gravity. The GT-2A gravimeter evolved after years of operational experience with the GT-1A

Download the specifications sheet: GT-2A Gravimeter

GT-2M

GT-2M

The GT-2M gravimeter is the marine version of the GT-2A. One of our GT-2A gravimeters can be converted to a GT-2M by uploading a different operating system. The GT-2M features include generation of near real-time free air anomaly data.

Download the specifications sheet: GT-2M Gravimeter

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U8B / 20 FAURE LANE,
DUNSBOROUGH, WA 6281

Transparent Earth Geophysics - Airborne Gravity and Marine Gravity Geophysical Survey Systems© 2022 Transparent Earth Geophysics. All rights reserved.