Tuesday, 27 March 2012

What the Clarence Valley is fighting for (20)

3 Comments:

Blogger Rod said...

Those rocks look like Palaeozoic aged meta-sediments to me, part of the New England Orogen. Don't worry, you wont find any gas (or even a coal seam) in Palaeozoic rocks in this region.

24 June 2012 at 10:50 am  
Blogger Judith M. Melville said...

The Clarence River and its water catchment are wider than just the gorge section and, potential mining preesures are not limited to coal seam gas. There is active gold, copper, antimony and coal exploration going on. Yes, there are coal deposits in the Clarence River catchment and one was mined up to the 1970s - the seam was not exhausted when the mine closed and there is a current licence covering that tenement.

24 June 2012 at 12:05 pm  
Blogger Rod said...

sorry, this was the first time I'd seen your blog. From the latest posts you've provided I just assumed that this post was CSG related. After seeing where your original motivation came from I can understand the context better.

You are right about the coal in the broader Clarence catchment. There is coal everywhere the coal measures are deep underground for the most part (these are the ones targeted for CSG, for example) and around the edge of the Clarence-Moreton and Ipswich Basins there are coal deposits at the surface - even good old environmentally sensitive Nimbin once had several coal mines! It is certainly an interesting and lovely part of the world.

As I said, sorry for missing the context - I wanted to point out that the Clarence Gorge was not under threat from CSG. Thanks for responding to my comment. Feel free to visit my blog on the Geology of the region too if you like - www.nrgeology.blogspot.com.au

Cheers,

Rod.

24 June 2012 at 3:39 pm  

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