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Buddha's Well EarthCache

Hidden : 1/2/2015
Difficulty:
2 out of 5
Terrain:
1.5 out of 5

Size: Size:   other (other)

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Geocache Description:

This artesian well, feed by the Deroche Community Watershed, has a unique output, a Buddha statue built by the adjacent property owner.

The property owner spent a number of years trying, without luck, to find a business partner to help him develop the larger well, located further into his property, as part of a water bottling operation. On a trip to Hawaii he saw a Buddha which he thought was gorgeous and as a last straw constructed one on this site hoping it would bring him the luck that had eluded him to date. Since that time local residents have been able to use this well to access the sites water without having to leave the public forest service road and enter his property.

Ground water provides 23 percent of the province's population with drinking water, comprises 9 percent of total water consumption in the province and represents 25 percent of the ground water use in the nation (Hess, 1986).
 

 


An artesian aquifer is a confined aquifer containing groundwater under positive pressure. This causes the water level in a well to rise to a point where hydrostatic equilibrium has been reached. An aretesian well can be formed by drilling into this aquifier creating or a flowing artesian well can be formed if the water reaches the ground surface under the natural pressure of the aquifer.

Aquifer - a geologic layer of porous and permeable material such as sand and gravel, limestone, or sandstone, through which water flows and is stored. An artesian aquifer is confined between impermeable rocks or clay which causes this positive pressure. Not all the aquifers are artesian, because the water table must reach the surface (not the case for underground groundwater such as, for example, the Nubian Sandstone Aquifer System). The recharging of aquifers happens when the water table at its recharge zone is at a higher elevation than the head of the well.

The well at this location is a naturally formed well and is not the result of drilling to access the groundwater. The abundance of groundwater at this location that makes this well possible is the result of an Alluvial Fan, a geologic formation that stores enough water that it forces it's way up to the surface and out of the Buddha statue.

Alluvial Fan - flat to gently-sloping masses of loose rock material that form at the base of mountains where fast-flowing streams meet relatively-flat surfaces of basin floors or broad valleys. They are shaped like an open fan starting where the gradients of streams abruptly decrease and gravel, sand, and other sediments, called alluvium, are deposited. Alluvial fans are more common in arid regions but can also be found in more humid climates where streams, creeks or powerful rivers carry alluvium to a flat plain, forming the widest point in the fan. The sediments deposited by an alluvial fan are significant in the area's geological record in numerous ways, of particular importance at this location by storing considerable quantities of groundwater under pressure and forming the flowing artesian well.

 

 



There are a number of different types of alluvial fans, the formation of which depends on on climate and geography:

Bajada - more common in dry climates these fans are the result of the convergence of a number of alluvial fans. They can be wide, where dozens of alluvial fans converge or narrow, where 2-3 small streams or creeks converge.

Colluvial fans - are formed without the prescence of water from the downward movement of rock, soil, or other material.

Subaqueous fan - these fans are created as underwater currents deposits alluvium from a submarine hill or glacier.

Debris cone - alluvial fan with a steep slope, closer to the shape of a half-cone than a flat fan. Debris cones can be created by the slow accumulation of alluvium over many centuries. They can also form as boulders and other large materials gather during landslides or floods.

 

 

To Log this Earth Cache send an email (using our geocaching profile) with answers to the following questions:

1) Based on your observations of the area, and the cache description what type of fan is the well situated on and what lead you to this conclusion?
2) Using your observations from the area, or google maps/earth, determine the direction of the fan, where does it likely start and what has been built at the bottom of the fan and why might this be dangerous?
3) Measure the flow rate of the main hole in the well. Do this by filling a small container of known volume and timing how long it takes to fill it. Then convert your time into minutes to tell me approx. how much water is flowing out in one minute?
4) Compare the rocks used to build the well head to the rock wall up and to the right of the well. Are the rocks used in the well head native to the area or would they need to have been brought in from elsewhere, describe why or why not.
5) What is written on the sign to the right of the well?
6) Taste the water and tell me if you enjoyed it. (Optional)
7) Take a photo of yourself/your party at the well (without exposing the answers to any of the questions) and post it with your log. (Also Optional)


References

Deroche Community Watershed Conservation and Protection
Artesian aquifer - Wikipidea
Alluvial Deposits
Alluvial Fan
All those folks at the Sasquatch Inn who sat and discussed the well with me

 

 

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