LulzaciteBois-de-la-Roche quarry, Saint-Aubin-des-Châteaux, Loire-Atlantique, Pays de Loire, France
Photo: P L e Roch Carrière du Bois-de-la-Roche, Saint-Aubin-des-Châteaux, Loire-Atlantique, Pays de Loire, France
Lulzacite was found in quartz veinlets, a few centimeters thick, that occur at the contact between Ordovician quartzite and limestone in a quarry 8 km west of Châteaubriant.
The quartz veinlets are cutting an Ordovician oolitic ironstone that has been hydrothermally sulphidized during Hercynian orogenesis.
References
- Moëlo, Y., Gloaguen, E., Lulzac, Y., Le Roc'h, P. (2006): Minéralogie de la carrière du Bois de la Roche, Saint-Aubin-des-Châteaux (Loire-At´lantique). Le Cahier des Micromonteurs, 1/2006, 3-8.
- Moëlo, Y. & Gloaguen, E. (2006): Les paragenèses minérales à Saint-Aubin-des-Châteaux. Le Cahier des Micromonteurs, 1/2006, 8-12.
- Moëlo, Y., Gloaguen, E., Lulzac, Y. (2006): III. Les minéraux de Saint-Aubin. Le Cahier des Micromonteurs, 1/2006, 13-25.
- Gloaguen, E., Branquet, Y., Boulvais, Ph., Moëlo, Y., Chauvel, J-J., Chiappero, P-J., and Marcoux, E. (2007): Palaeozoic oolitic ironstone of the French Armorican Massif: a chemical and structural trap for orogenic base metal–As–Sb–Au mineralisation during Hercynian strike-slip deformation. Mineralium Deposita 42, 399–422.
Mineral List
38 entries listed. 34 valid minerals. 1 type locality (valid mineral).
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