The Neys Crack EarthCache
Hidden : 9/4/2015
Difficulty:
2 out of 5
Terrain:
5 out of 5

Size: Size: other (other)

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Geocache Description:


Please use caution while approaching this earthcache. Do NOT cross the railway trestle bridge as it is extremely dangerous and illegal. You must cross the river to access this cache. There are a few areas where you can enter the river, the easiest being the boat launch at Neys Provincial Park. If you use this option, please pay entrance fees and follow all park regulations. If you choose not to enter through the park, this will increase the terrain rating significantly. (See waypoints)

When you get to the top of the crack, follow the south trail to get to the old Crack and descend through there. Don't go down the same way you went up as it is very slippery. Also, don't forget to find the traditional cache at the top while you enjoy the view.

Wearing gloves with grip will help you hold on to the side walls as you climb and will keep your hands clean as the crack walls are wet and muddy.

The Neys Crack



The Neys Crack is located on the west side of the Little Pic river. It is a result of fractures in the main rock and an early stage of a long erosion process.

The main rock is formed through the cooling and solidification of magma. As it solidifies, it shrinks and forms small fractures all over the rock. Some of these fractures do not grow larger, but some of them open, letting water in. Cold weather causes water trapped in tiny rock cracks to freeze and expand, breaking the rock into several pieces.


However, water is not the only thing causing the fracture to expand. There is also Thermal stress - every winter, the rock cools and shrinks; every summer, it warms and expands, causing small movements and crack expansion over time.


When the crack opens large enough, rain gets into the small fractures in the walls. When that water freezes, it breaks the walls and smaller pieces fall into the bottom of the crack. Some larger rock chunks get stuck before reaching the bottom (which is why you see large boulders above your head as you walk through the crack). This process widens the crack and prevents it from closing back up. Seeds, leaves and other organic debris also fill the bottom of the crack.



In order to log this cache as found, you have to answer these questions:

  1. Take the elevation at the beginning and at the top of the Crack. What is the elevation change of the Crack?
  2. Do you think this crack was formed before the glaciers retreated or after? Why?
  3. When you go through the old Crack on your way down, note what differences you can see between the old crack and the new crack. How do the following differ: size of the fallen rocks, plants, temperature?
  4. Take a photo of yourself in the Crack so that in the background you can see big rocks stuck in the middle of the Crack. (optional)

Additional Hints (No hints available.)



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