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Fort Payne Formation EarthCache

Hidden : 8/26/2007
Difficulty:
2 out of 5
Terrain:
2 out of 5

Size: Size:   other (other)

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Geocache Description:





To log this earthcache find, you must fulfill the following requirements:
  • In your log entry, upload a picture of yourself and your GPSr in the vicinity of the posted coordinates with the white CHERT sign in the background. See the Qualifying Photo Background photo....... 6/24/10 Several cachers have noted that the mentioned sign is gone. However, there are smaller signs on the property and a gate in front of the property that can prove that you are at the right chert pit. Don't be a goob and take the picture at the wrong chert. I'm pretty cool about this stuff... Just play the game like everyone before you has thus far. Thank you!!! Picture and answers that make relative sense. You get a smiley and everybody wins!!! WOO HOO!!! here.

  • Email to me, via the profile link above, the answers to the following questions:
    • What region of the United States is this geologic formation located?
    • What is the geological age in which the Fort Payne Formation was created?
    • When did Eugene Allen Smith serve as the Alabama State Geologist?
Any claimed finds without proper documentation within 48 hours will be deleted without notice.



What is Fort Payne Chert?
Eugene Allen Smith, a state Geologist of Alabama named the Fort Payne Formation, also known as Fort Payne Chert because of the outcrops located in Fort Payne, Alabama. The Fort Payne Formation is a geologic formation, which is formed from Mississippian cherty limestone. The formation lies between Chattanooga Shale and St. Louis Limestone.

What purpose does the formation play in the environment?
The Fort Payne Chert acts as a recharger for rainfall. A recharger is the area in which rainfall soaks into the ground. The chert being fractured, porous and permeable acts as a good source for the storage of ground water. The slow process of the water moving through the layers of soil and rock purifies it. Because the chert has been intensely fractured, the volume of water it can transmit has greatly increased.

Why is the Fort Payne Formation/Chert mined?
An outcrop of Fort Payne Chert is a cost-effective material for the creation of roadbeds.

What are the possible negative impacts of mining?
Not only can chert mining be an eyesore but it also impacts the natural storage system of groundwater. Quarrying sites shift as road construction advances, and numerous pits are abandoned. These areas become problematic when people begin to dump trash or leave other possible contaminants around the chert pits. Due to the porous nature of Fort Payne Chert, it is easy for contaminants to pollute the ground water.

Active chert pits:


An abandoned chert pit being reclaimed by nature:


Chert used in road construction:



Parking is available at the listed coordinates; there is room for one or two vehicles at the pull-off on the right-of-way of Prestwood Drive. Enjoy your visit!



Web Pages Utilized to create this EarthCache include:
http://www.al.com/travel/index.ssf?historicalmarkers.html
http://en.wikipedia.org/wiki/Fort_Payne_Formation
http://capp.water.usgs.gov/gwa/ch_g/G-text10.html

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