Hot dry rock geothermal energy as a separate state from that of the continuum of permeable rock—just as one would consider a completely closed faucet as distinct from one that is open to any degree, whether the flow be a trickle or a flood. In the same way, HDR technology should be regarded as totally distinct from EGS. A definitive book on HDR development, including a full account of the experiments at Fenton Hill, was published by Springer-Verlag in April 2012. Hot dry rock geothermal energy Hot dry rock (HDR) is an abundant source of geothermal energy available for use. A vast store of thermal
More Hot Rocks (Big Hits & Fazed Cookies) local deli / that remained (excuse me Mr Gershwin, I need another dime) standards of yesterday and now / good times, bad times to you all and have you seen your mother baby, balling in the alley" More Hot Rocks (Big Hits & Fazed Cookies) More Hot Rocks (Big Hits & Fazed Cookies) is a compilation album by the Rolling Stones released in December 1972 on London Records. The album was a follow-up to the hugely successful "Hot Rocks 1964–1971". When "Hot Rocks 1964–1971 "proved to be a big seller, there was never any doubt that a successor would follow.