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Saka outcrop Traditional Cache

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pnsiire: Goes to archive

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Hidden : 12/12/2017
Difficulty:
2.5 out of 5
Terrain:
2.5 out of 5

Size: Size:   regular (regular)

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Geocache Description:


[ENG]

This cache takes you to Saka outcrop. Outcrop is situated in a trench about 20-30 m in width and depth that was cut into the Klint to accomodate a sewage pipe from nearby Kohtla-Järve to the sea. Consequently, a section spanning the Lower Cambrian Tiskre Formation up to the Middle Ordovician Aseri Formation is exposed. The older part of the section is masked, but strata of the Volkhov Stage are well exposed. [http://paleopolis.rediris.es/cg/CG2010_L04/]

You can see also a layer of green glauconitic sandstone and above it 2,5 m thick blackish-greyish layer of graptolitic argillite, that includes uranium and other metals. In Soviet times there was a secret plant at Sillamäe, that produced enriched uranium to the Soviet Union during the cold war. According the legend the first A-bomb was made in SU from the product of this plant.

The cache is hidden higher than the ground and can be found in any weather, shorter people may need a tool.

[EST]

Aare viib sind Saka paljandi juurde. Saka paljand asub sälkorus, mis kaevati Nõukogude ajal läbi klindi Kohtla-Järve kanalisatsiooni merre laskmiseks. Paljandis on näha ulatuslik läbilõige Kambriumi ja Ordoviitsiumi kivimikihtidest, mida küll alumises osas varjab rusukalle. Muu hulgas võib paljandis näha rohelist glaukoniitliivakivi kihti ning selle peal pruunikasmusta kuni 2,5 meetri paksust graptoliitargilliidi kihti, mis muuseas sisaldab olulisel määral uraani ning muid metalle nagu vanaadium, molübdeen, tsink ja nikkel. Uraani tootmiseks asus Nõukogude ajal Sillamäel isegi salajane tehas, mille toodangust valmistati legendi järgi N. Liidu esimene tuumapomm.

Aare on peidetud maast kõrgemale ja leitav iga ilmaga, lühemad inimesed võivad vajada abivahendit.

 

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