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Pebble Beach

A cache by TheGreenTool Send Message to Owner Message this owner
Hidden : 08/31/2016
Difficulty:
2 out of 5
Terrain:
1.5 out of 5

Size: Size: other (other)

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Geocache Description:





This EarthCache is located at the northernmost point of the Isle of Man, at Point of Ayre. It is the closest point on the Isle of Man to the British Mainland, being 26 km (16 mi) south of Burrow Head in Scotland. The very special geological phenomenon is the pebble beach around IOM's oldes light house.

Between 70,000-10,000 years ago the Isle of Man was covered by an ice sheet which had spread out from the mountains of Scotland.



The ice is thought to have advanced and retreated over the Island several times during this period. When the ice advanced for the last time it pushed up a pile of soft sediment in front of it, similar to a bulldozer, to form the Bride Hills. When the ice melted it deposited material contained within it to form a veneer of glacial sediment now covering the northern plain. Some of this material includes rock plucked from the mountains of Scotland and from the floor of the Irish Sea and these can now be found as pebbles at the Point of Ayre. Associated with the glacial deposits are outwash material left by meltwater flowing as rivers southwards from the glacier and alluvial fans composed of sediment washed down from the mountains during summer thaws.

(Sources: Wikipedia, manxgeology.com)


To log this EarthCache please answer the following questions (in English or German language):

1. Describe size, shape and colours of the pebbles.
2. Which occasions were responsible for the shape of the pebbles?
3. Try to find reasons for the different colours.
Optional: Please add photos of your visit to the log.

You may log your find as soon as you have sent the answers via e-mail to thegreentool@gmx.com or by using the Message Center. If anything isn't correct we will contact you.


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126 Logged Visits

Found it 123     Write note 2     Publish Listing 1     

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Coordinates are in the WGS84 datum

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