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Auf Dickel (incl. Nonnental), Rockeskyll volcanic complex, Rockeskyll, Gerolstein, Eifel, Rhineland-Palatinate, Germany

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Latitude & Longitude (WGS84): 50° 15' 36'' North , 6° 41' 4'' East
Latitude & Longitude (decimal): 50.2600754753, 6.68462899738
Name(s) in local language(s):Auf Dickel (einschl. Nonnental), Rockeskyller Vulkankomplex, Rockeskyll, Gerolstein, Eifel, Rheinland-Pfalz, Deutschland

Eroded tuffs of a carbonatite and phonolite volcanism with several eruptive centres. Megacrysts (sanidine, augite) and xenoliths (Devonian basement, micaschist, crystalline schist, gneiss, sanidinite, subvolcanite, carbonatite-like rocks) on the fields in the area called “Auf Dickel”, as well as north of Nonnental
Located about 500 – 1000 m NW and W of Rockeskyll, on the east slope of Rockeskyller Kopf mountain.

Mineral List

43 valid minerals.

The above list contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Haardt, W. (1914): Die vulkanischen Auswürflinge und Basalte am Killer Kopf bei Rockeskyll in der Eifel, Jahrbuch der Preußischen Geologischen Landesanstalt, Berlin, Vol. 35, pp. 177-252

Hopmann, P.M. (1914): Spuren eines Phonolithdurchbruches bei Rockeskyll in der Eifel, Zentralblatt Mineralogie, Vol. 35, pp 565-569

Brauns, R.,(1922): Die Mineralien der Niederrheinischen Vulkangebiete, Schweizerbart, Stuttgart

Kalb, G. (1939) Analcim in Drusen des Nosean-Sanidinit von Rockeskyll in der Vordereifel, Decheniana, Bonn, Band 98A, Heft 2, pp. 177

Lloyd, F.E., Bailey, D.K. (1969): Carbonatite in the tuffs oft he West Eifel, Germany, Contributions to Mineralogy and Petrology, Vol. 23, pp 136-139

El-Kaluoby, B. (1981): Mineralbestand und Gefüge vulkanischer Glimmerschiefer-Auswürflinge des Kyller Kopfes, Westeifel, Dissertation, Rheinische Friedrich-Wilhelm-Universität, Bonn

Hentschel, G., (1987): Die Mineralien der Eifelvulkane, Weise Verlag München

Meyer, W., (1994): Geologie der Eifel, Schweizerbart, Stuttgart

Riley, T., Bailey, K., Lloyd, F. (1996): Extrusive carbonatite from the quaternary Rockeskyll complex, West Eifel, Germany, Canadian Mineralogist, Vol . 34, pp. 389-401

Riley, T., Bailey, K., Harmer, R., Liebsch, H., Lloyd, F., Palmer, M. (1999): Isotopic and geochemical investigation of a carbonatite-syenite-ponolite diatreme, West Eifel (Germany), Mineralogical Magazine, Vol. 63, pp. 615-631

Riley, T., Bailey, K. (2003): Barium-rich sanidine megacrysts from the West Eifel (Germany), Neues Jahrbuch Mineralogie, Monatshefte, 2003, pp 18-30

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