The Eastern Geophysics Timeline

• 1980: Eastern Geophysics Limited was incorporated on July 16 by David Zwicker and Brian d’Entremont. The original services offered were Induced Polarization (IP) and Gravity ground surveys.
  
  
• 1984:  HLEM, TDEM, and Magnetics were added to our list of services.
  
  
• 1989:  First GPS survey (Bathurst mining camp, NB.).
  
  
• 1995:  Agreement with Crone Geophysics & Exploration for carrying out surface & borehole PEM survey.
  
  
• 1999:  David Zwicker retires.
  
  
• 1999:  Suzanne d’Entremont – Office manager.
  
  
• 1999:  Bennett d’Eon – Field manager.
  
  
• 2001:  Working extensively outside Canada.
  
  
• 2005:  Utilizing DGPS as primary tool for X,Y, and Z positioning for gravity surveys.
  
  
• 2008:  Major equipment upgrade.
  
  
• 2010:  Completed the largest ground gravity survey in Nova Scotia's history.
  
  
• 2012 – 13:  Major software upgrade.

Affiliated Companies and Consultants

• Crone Geophysics & Exploration Limited
  
  
• Kevin Ralph Chief Geophysicist
  
  
• Ken Sweet Geophysicist

A complete list is available upon request.

International Experience

Eastern Geophysics has carried out geophysical surveys in all Canadian provinces and Territories, and in the following countries:

• USA
• Greenland
• Ireland
• Iceland
• Mexico
• Spain
• Burkina Faso
• Mali
• Niger