Sedona Red Rock Mushrooms EarthCache
Hidden : 7/29/2013
Difficulty:
3 out of 5
Terrain:
3 out of 5

Size: Size: not chosen (not chosen)

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Geocache Description:



This Earthcache is designed to show you an example of the erosive forces at work in Sedona.

Access is via the Broken Arrow Trail. Parking in the Red Rocks area, requires a pass for parking. You can get a Red Rocks Pass at a kiosk at the parking area, or from the Ranger Station in Sedona. You can drive the unpaved section of Schnebly Road, but a 4x4, high clearance vehicle, mountain bike, or ATV is recommended.

Erosion is the process by which soil and rock are removed from the Earth's surface by wind or water flow,and then transported and deposited in other locations.

Erosion occurs through a variety of processes, such as:

Rainfall & Rivers

Streams

Glaciers

Coastal Lakes

Oceans

Freezing and thawing

Wind Erosion

Exfoliation

These coordinates will take you to an exposed rock formation and to a mushroom rock formation. Mushroom Rocks can be formed by three processes. Glacial action, rock disturbance and erosion.

Glacial action results from a rock being deposited upon smaller underlying rocks.

Rock Disturbance occurs when there is a rockfall or earthquake, during which a larger rock falls onto a smaller rock

Erosion occurs when wind or water erodes away an underlying softer material than the harder stone cap. Often, the wind speed is faster near the ground along with sediment loads, decreasing as elevation increases. Thus lower rock is eroded faster.

In the case of this rock mushroom, it is on a unique feature which helps to accelerate the wind around the mushroom. This is also aided by the gully to the south which helps to accelerate and channel the wind past the mushroom.

To log this Earthcache, email me the following:
1) Describe the location of these mushrooms and how the wind has worked to form them. Is this area exposed, shape of the landform.
2) Look closely at the mushrooms and describe any markings which would indicate that these were formed by the wind
3) What will happen to these mushrooms as erosion continues

OPTIONAL: Post a photo of you and your GPS

Additional Hints (No hints available.)



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