Archives for May, 2015

The Economic Reality of Geology: Part One

Modern, industrial economies are built on a foundation of plentiful, high quality, low-cost, energy and minerals. No amount of technology will change this dependence. For example, about a third of US electricity is generated by coal. Thus many electric cars are actually “coal fired” cars. The manufacture of solar cells…

Why Volcanogenic Massive Sulphide Deposits are Not Good Exploration Targets

Volcanogenic massive sulphide deposits (“VMS” deposits) are significant sources of copper, lead, zinc, silver and gold. They can also contain significant quantities of cobalt, tin, selenium, manganese, cadmium, indium, bismuth, tellurium, gallium and germanium. Some also contain substantial quantities of the toxic elements arsenic, antimony and mercury.  See Appendix I…

Peak Oil is in Sight

There is ongoing debate as to whether the oil price collapse (and partial recovery) is supply or demand driven. [Of course there are also conspiracy theories; such as the US and the Saudis ganging up on Russia.] To me, the price is demand driven. Most of the world’s economies are…