(Steinbruch Mannbühl (Steinbruch Giro), Dannenfels, Kirchheimbolanden, Rheinland-Pfalz, Deutschland)
An active dacite (quartziferous hornblende andesite) quarry, with mineralized fault zones. Owned by the Giro company.
Located near Dannenfels, on the north slope of Donnersberg Mountain and about 6 km SW of Kirchheimbolanden.
Refs.:
- Bungert, R., Frey, W.-G. and Hesse, P. (2008): Die Mineralien des Steinbruch Giro am Donnersberg, Pfalz. Lapis 33 (3), 13-19; 50.
- Kohout, K. (2008): Der Steinbruch Giro am Mannbühl: Spitzenfunde aus 27 Jahren. Lapis, 33 (5), 32-35.
Mineral List:41 entries listed. 32 valid minerals.
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