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Granitporphyr von Thal-Heiligenstein Earthcache

A cache by ArnGeko Send Message to Owner Message this owner
Hidden : 7/2/2007
1 out of 5
1 out of 5

Size: Size: not chosen (not chosen)

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Geocache Description:

Geologisches Naturdenkmal seit 1977

Der Aufschluß zeigt Bestandteile vom kristallinen
Unterbau des sogenannten "Ruhlaer Sattels".
Der gangförmig in den Glimmerschiefer (rechte
Steinbruchseite) eingedrungene Magmatit,
- der sogen. "Thaler Granitporphyr" (Steinbruchmitte)
entstand im Erdaltertum vor mehr als 300 Mill. Jahren.
Durch den gewaltigen Druck eines ehemals
darüber liegenden Gebirges erhielt das
Gesteinsgefüge eine schieferige Struktur.

Beantworte mir folgende Frage:
Wie bezeichnet man die eingelagerten Quarze? Die Antwort findest Du vor Ort.
Bitte sende die Antwort an geocacher(at)
Zum Loggen bitte ein Foto von Dir mit der Location im Hintergrund hier hochladen, natürlich OHNE die Infotafel. Danke.

Geological natural monument since 1977

This outcrop shows parts of the crystalline substructure of the so-called "Ruhlaer Sattels". The magmatite penetrated corridor-like crevaces in the mica (known as "Thaler Granitporphyr"), which origined about 300 billion years.
The big pressure of the former mountains is responsible for the shale-like structure of the this part of earth.

To log:
Upload an image with you and the location in the background, please WITHOUT the info sheet.
Answer this question: What are the embedded quartz crystals called? The answer to this question you can find nearby. Mail the answer to geocacher(at)

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Current Time:
Last Updated: on 5/27/2018 6:49:33 AM Pacific Daylight Time (1:49 PM GMT)
Rendered From:Unknown
Coordinates are in the WGS84 datum

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