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Showing posts with label new england batholith. Show all posts
Showing posts with label new england batholith. Show all posts
Friday, 9 December 2022

OzGeographics

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Just a quick post to draw attention to a great YouTuber... and to keep a post or two going to show that this blog is still active (just). Th...
Monday, 16 January 2017

Blog Update #11 - More rocks in our region

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Not a lot to mention as far as the blog goes at this point, except that I've added photographs of three more stratigraphic units to the ...
1 comment:
Sunday, 21 August 2016

Cutting Through Mysterious Granite on a Country Highway

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Australia is known for its remoteness. There are some quite remote areas in the Northern Rivers too. Along the escarpment there are rugged a...
Saturday, 9 January 2016

A Rock of Gibraltar Range National Park - Part 2

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Dandahra Creek Leucogranite This post is a follow-on from an earlier post which can be read here. The Dandahra Creek Leucogranite i...
3 comments:
Saturday, 21 November 2015

A rock of Gibraltar Range National Park - Part 1.

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A lookout on the Gwydir Highway I was going to write a very long post on the Dandahra Creek Leucogranite but I think it lends itself to ...
1 comment:
Sunday, 23 August 2015

Hillgrove Monzogranite

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Hillgrove is known for its mining history. The fortunes of the place have been directly related to gold and antimony mining for more than a ...
4 comments:
Monday, 6 October 2014

Rocks in the Rocky River

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Rocky River Monzogranite (Bungulla Suite). The Monzogranite here contains large crystals of twinned pink K-feldspar. The Rocky River Ro...
2 comments:
Wednesday, 23 July 2014

The Great Dividing Ranges and Stonehenge

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Granites occur throughout much of the north coast and New England region. I use the term granite here loosely, in reality the rocks I’m refe...
4 comments:
Tuesday, 4 February 2014

The Road to The Gorge

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Note that since this post was written the Towgon Grange Granodiorite has been renamed the Towgon Grange Tonalite. Many people in the reg...
5 comments:
Monday, 10 June 2013

How wonderfully marbleous!

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There are some rock types that are very common around the country and around the world that just don’t seem to rate much of a mention in the...
Wednesday, 26 December 2012

Antimony and the Macleay River

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Antimony is a metal that is very well represented in our region. Many people have not heard of antimony as it is one of those elements that ...
4 comments:
Saturday, 29 September 2012

The Dummy you'll find north of Armidale

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One of the imposing landscape features on the north side of Armidale is the 1400m high Mount Duval. Some of my secondary education was in A...
2 comments:
Sunday, 9 September 2012

A big pluton cut by the Clarence River

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Yulgibar Bridge on the Clarence River It has been some time since I spent a lot of time in the Clarence River area but occasionally I’v...
5 comments:
Wednesday, 8 February 2012

Lots of heat but low pressure between Ebor and Guyra

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In the headwaters of the Aberfoyle and Guy Fawkes Rivers, tributaries of the Clarence River lies a rare zone (for Australia) of rocks that h...