Struggling gum, shadows and split rock!

You will have to find the location on a real map! as the flickr map doesn't even show Tennant Creek, (to the North) or Wauchope just to the South in the NT.

How were The Devils Marbles formed?
The formation of The Devils Marbles are a result of the erosion of the sandstone on top of granite (which was formed millions of years ago due to the hardening of magma within the earth’s crust)- which the Marbles are made up of. The folding of the earth’s crust lead to the lifting of the granite and the erosion of the sandstone, after the granite came to the surface, pressure was lost and the granite expanded causing cracks to form and fall apart in large, square blocks.

Over time, as the square blocks were exposed to water, their surface began to decay. A layer of the rock was flushed away by water and blown away by wind.

The rounded shape of these blocks resulted from both mechanical and chemical weathering, the surface of the rocks often expand or shrink as a result of chemical processes. Because the chemical processes affect the areas with edges more, a rounded shape is formed. The boulders are also suffering from solarisation and temperature differences between day and night- causing the boulder to crack and sometimes split in half.

Reference.. thedevilsmarbles1.weebly.com/formation.html

See our Travel Collection of Albums.
www.flickr.com/photos/spelio/collections/72157603576428690/

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Taken on: August 9, 2008

Tags:

Australia

Northern

Aug

2008

travel

Explore

evening

shadows

remote

Light and shadows

square

format

Flickr Daily

Square Format

Flickr Elite

elite

Square Australia « less

Sets appears in: • A random selection of good shots • Square format

Groups appears in: • squareFormat • Unplaces more » • Flickr Over 50 • The Daily Post • !*Flickr All Stars*! • FLICKR ELITE • Vintage Australia • !*Only Your Best*! • Travels With My Camera - Australia • FLICKR DAILY • Australian Photographers over 60 years « less

Camera: OLYMPUS OPTICAL CO.,LTD C3040Z, f/2.3, 1/400 sec, 10.6mm, ISO 100 (more info) (hide info)

Camera:	OLYMPUS OPTICAL CO.,LTD C3040Z
Aperture:	f/2.3
Exposure Time:	0.003 sec (1/400)
Focal Length:	10.6mm
ISO:	100
Exposure Bias:	0 EV
Flash:	No Flash
Exposure Program:	Program AE
Metering Mode:	Multi-segment
Color Space:	sRGB
Software:	v354p-73
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