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Bacterial sludge: Stromatolites
A tale of two planet-destroying organisms [1700 words 7 mins
Nov 5
•
Ronald Turnbull
11
4
Gordale Blimey!
At the end of October, putting back the clock by a full 200 years, while walking from the limestone to Lancashire [1600 words 6 mins
Oct 15
•
Ronald Turnbull
13
15
Is basalt an ocean bottom rock?
An Auvergne investigation along the Robert Louis Stevenson Trail [1900 words 7 mins
Oct 8
•
Ronald Turnbull
15
7
The Big Brecon Ridge
Not jaggy, but flat. Not volcanic, but made of the Old Red Sandstone. Even so, this could be Britain’s biggest cliff. [1400 words 6 mins
Mar 26
•
Ronald Turnbull
13
3
The Tertiary Volcanic Province
where else in the UK would you go for your hilly holidays? [1400 words 6 mins
Jan 8
•
Ronald Turnbull
21
7
Utah and the Line of Beauty
Canyonlands National Park and the shapes of scenery [2100 words 12-15 min
Dec 25, 2024
•
Ronald Turnbull
16
10
Brocken Dreams
spectres, spectra and weird optical effects
Dec 11, 2024
•
Ronald Turnbull
19
19
Lovable limestone
and a moment of déja view in the Yorkshire Dales [1200 words 5 mins
Nov 6, 2024
•
Ronald Turnbull
12
3
Tuff love
Getting passionate about volcanic ash [1100 words 5 mins
Oct 2, 2024
•
Ronald Turnbull
24
10
Schellenberg Ice Hole
Ice underground inside a Bavarian mountaintop [1250 words 6 mins
Aug 21, 2024
•
Ronald Turnbull
14
3
Scratching the surface
Striae and slickensides, marks made by glaciers and marks made by great movements of the Earth [1200 words 5 mins
May 15, 2024
•
Ronald Turnbull
11
7
Tors for thought
Grim granite lanscapes – Dartmoor, the Cairngorms – have the silliest of decorative ornament up on top: the granite tors. [1300 words, 5 mins
Feb 28, 2024
•
Ronald Turnbull
12
4
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