The Victorian Government, very much out of the blue, announced a ban on the mining process called fracking late last week.
No-one saw it coming, not even the five Victorian shire councils and community groups opposed to coal seam gas exploration (CSG) and calling for a mining moratorium.
Fracking is the process of pumping highly pressurised gas, like liquid nitrogen, down an exploration well into coal, shale or rock deposits containing hydrocarbon gas.
The hydrocarbon will not flow on its own because it is bound up in the structure.
The pressurised gas expands and fractures the structure, releasing the hydrocarbon so it can escape up the well to the surface.
ABC News
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