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Hot Dry Rocks

A 1.5 metre needle probe capable of detecting the heat signature from gold, copper, geothermal resources buried hundreds of meters below.

  • Stage Prototype Ready
  • Industry Clean Technology
  • Location Melbourne, VIC, Australia
  • Currency AUD
  • Founded March 2012
  • Employees 2
  • Website

Company Summary

Caloracus is a spin-off of Hot Dry Rocks, an South Yarra Geothermal Consultancy. The company will be manufacturing "Heat Needles" for use in geothermal, copper, gold, and uranium exploration. Additional markets exist in smart grid, radioactive waste, and hydrology. Customers will be resource and exploration firms looking to verify subsurface heat signatures. Sales model will be rental or direct sale to geophysical equipment companies.


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    Graeme Beardsmore

    With a track record in devices and work in the geothermal space, Dr. Graeme Beardsmore is one of the world’s foremost authorities on crustal heat flow. Aside from the SHP he has designed the Portable Electronic Divided Bar, Geotherm and the EGS Global Protocol that he designed with He consulted to NASA in designing a thermal conductivity probe for lunar exploration and is the technical director of Hot Dry Rocks.

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    Lawrence Molloy
    Managing Director

    A leader in clean technology and renewables with over 20 years experience in the design and deployment of capital equipment, and coordination of international clean energy and water projects. Clean tech advisement to venture funds including a stint as partner in a portable biomass gasifier startup company. M.S. in Engineering from Stanford University. B.Sc in Geology (w/ honours) from Colgate University.

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    Anson Antriasian
    Calibration Manager

    Over ten years experience in laboratory and calibration protocols of geophysical devices. B.S. from University of California Berkeley. Current Laboratory Manager with Hot Dry Rocks.


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    Phillipe Ormond