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Quand la mer se retire...

A cache by marmotterando Send Message to Owner Message this owner
Hidden : 8/22/2016
Difficulty:
1.5 out of 5
Terrain:
1.5 out of 5

Size: Size: other (other)

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Geocache Description:

La naissance du Tuffeau....
Parmi les échantillons ci-dessus et situés près du panneau s'est glissé un intrus !!!
A vous de le découvrir ??? Mais pour comprendre l'origine du tuffeau: lisez ce qui suit ...

Il y a environ 90 MA? L'actuel bassin Parisien dont la Touraine fait partie était recouvert par la mer. En se retirant quelques dizaines de millions d'années plus tard,elle abandonna derrière elle ces dépots sédimentaires dont la lente métamorphose en roche, par cimentation des particules fossiles entre elles donna naissance au tuffeau.



Les informations complémentaires se trouvent sur le panneau aux coordonnées indiquées dans le WP1 .
RAPPEL: PAS DE BOITE A TROUVER SUR PLACE...
POUR VALIDER LE FOUND-IT: REPONDEZ AUX QUESTIONS SUIVANTES:
1)Nom de la dépression de la coupe shématique de la vallée sur le panneau ?
2)Complétez la partie droite du panneau !!! (variétés des tuffeaux et leur périodes ?)
3)Identifiez les types de tuffeau en fonction des N° et découvrez l'intrus et son nom ? (1=?/2=?/3=?/4=?)
4) Photo optionnelle devant les pierres de tuffeau...
Loguez cette cache "Found it" et envoyez-moi vos propositions de réponses soit via mon profil, soit via la messagerie geocaching.com (Message Center), et je vous contacterai en cas de problème.
Site découvert en faisant la belle boucle du Sentier "la double vie du coteau" de "by sirtoc" que je recommande...(GC6Q3WP)
The birth of Tuffeau ....

Among the above samples and located near the panel slipped an intruder !!!
To you to discover the ??? But to understand its origin: read on ...
There are about 90 AD? The current Paris basin Touraine whose part was covered by the sea. By withdrawing tens of millions of years later, she left behind these sedimentary deposits which slowly transformed into rock by cementing fossil particles together gave birth to the tufa.

Additional information is on the panel the contact information in the WP1.
TO CONFIRM THE CACHE, ANSWER THE FOLLOWING QUESTIONS:
1) Name of the depression of the Schematic section of the valley on the panel?
2)Complete the right of the panel !!! (Freestone varieties and their periods?)
3) Identify the types of tufa according No. discover the intruder and his name? (1 =? / 2 =? / 3 =? / 4 =?)
4) Optional Photo on front of tufa stone ...
phones Sign this cache "Found it" and send me your answers proposals either via my profile or via geocaching.com messaging (Message Center), and I will contact you in case of problems.
Site discovered by the beautiful loop trail "the double life of the hillside" of "by sirtoc" I recommend ... (GC6Q3WP)

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20 Logged Visits

Found it 17     Write note 1     Publish Listing 1     Update Coordinates 1     

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Rendered From:Unknown
Coordinates are in the WGS84 datum

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