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Rundēnu Velna dobe/Rundēni Devil Bed

A cache by DainisGeo Send Message to Owner Message this owner
Hidden : 10/17/2014
Difficulty:
2.5 out of 5
Terrain:
3.5 out of 5

Size: Size: small (small)

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Geocache Description:

[LV] Neparastas formas reljefa veidojumi

[EN] Uncommon landforms

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[LV] Savdabīgajiem reljefa veidojumiem uzmanību pievērsis Rundēnu ciema ceļa meistars P. Berjoza 1962. gadā. Toreiz viņš ziņoja par savu atradumu Latvijas PSR Ģeoloģijas institūtam.

Ģeologi izpētot reljefa formas, veicot zondējumus un sporu putekšņu analīzes toreiz secināja, ka Lielā Velna dobe un vēl virkne līdzīgu mazāk izteiksmīgu veidojumu ir veidojušies leduslaikmetā šļūdoņa ledus un kušanas ūdeņu mijiedarbē, tomēr precīzu izskaidrojumu nevarēja sniegt.

Iespējams dobo pauguru izcelsmes skaidrojums, ka tie ir hidrolakolīta piltuves (t.s., „pingo”). Cita mazāk ticama hipotēze par dobajiem pauguriem skaidro to veidošanos kā meteorītu triecienu sekas.

Šobrīd teritorija ir ģeoloģiskais dabas piemineklis, kas nozīmīga arī no dzīvās dabas saglabāšanas viedokļa. Nogāzēs ir dzīvnieku, iespējams, ka āpšu, alas.

Slēpnis novietots Lielās Velna dobes iekšējās nogāzes lejasdaļā (skatīt spoilerbildi).

[EN] Road builder P. Berjoza paid his attention to the peculiar landforms in 1962. He reported to the Institute of Geology of former Latvian SSR.

After the study with some drillings and spore pollen analysis geologists concluded that Lielā Velna dobe has been formed by glacier and meltwater action during the final stage of the last Ice Age. The details of landforms development remained unclear.

Another possible explanation of landform genesis is that those are hydrolaccolith funnels (the so-called „pingo”).

Other less believable hypothesis about the origin of the landforms is as meteorite impact craters.

The territory now is the Geological Nature monument, valuable with its wildlife as well. There are animal caves on the slopes – probably inhabited by badger.

The cache is placed at the lower part of the internal slope of Lielā Velna dobe (look at spoiler image).

Additional Hints (Decrypt)

ynmqn/unmry

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)



 

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**Warning! Spoilers may be included in the descriptions or links.

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Coordinates are in the WGS84 datum

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