GC43688 Blue John (Traditional Cache) in East Midlands, United Kingdom created by MagsnMark

This cache has been archived.

Antheia: As the owner has not responded to my previous log requesting that they check this cache I am archiving it.

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Antheia/Yvonne
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GC43688 ▼

A cache by MagsnMark Message this owner

Hidden : 12/23/2012

Difficulty:

Terrain:

Size: Size: micro (micro)

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Geocache Description:

A microcache hidden near a beautiful cave, where the semi-precious Blue John stone is still mined. The cache is on an ancient coral reef, near a spectacular mountain with a landslip, and an iron-age hill fort on top. The beautiful Hope Valley stretches out to the East.

The Blue John Cavern is one of four caves in and around Castleton, that are open to the public. Blue John is a semiprecious mineral that has been mined for centuries. It has been suggested that it was first mined at Castleton about 2000 years ago by the Romans. This remains uncertain although they certainly mined lead here. Blue John is still mined in this cave to this day. The stone is an ornamental variety of fluospar (Calcium Fluoride), with veins of purple colour running through it. It has been suggested that the name derives from the French "bleu-jaune" meaning "blue-yellow". Alternatively, the name could have arrived with Cornish miners who came to mine in Derbyshire in the 1740s, as the name Blue John was used for several rocks in Cornwall, deriving from the Cornish language word "bleujenn", a flower or blossom.
The cave system was formed in limestone, by the action of water from the melting ice of the glacial periods (last one circa 80,000 years ago). The limestone mass was once a coral reef in a warm sea.
Alongside you is the spectacle of Mam Tor, with its iron-age hill fort on top, and a huge landslip on the side facing you. The wonderful Hope Valley stretches off to the East.
You can either park up on the road nearby and take a short walk to the cache, or park in the valley below, near the Treak Cliff Caves, and walk up the footpath, taking in the view as you ascend.
You are looking for a microcache.

Additional Hints (Decrypt)

Pbeare

Decryption Key

A|B|C|D|E|F|G|H|I|J|K|L|M
-------------------------
N|O|P|Q|R|S|T|U|V|W|X|Y|Z

(letter above equals below, and vice versa)