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Ptygmatic folds in calcite veins in the hinge zone of a recumbent west-facing F1 fold in the Scaglia Formation (Tuscan Nappe).
PhotoID740

Ptygmatic folds in calcite veins in the hinge zone of a recumbent west-facing F1 fold in the Scaglia Formation (Tuscan Nappe).
PhotoID740

Photograph: C. Montomoli, R. Carosi

Reference: Montomoli C., Ruggeri G., Boiron M. C., Cathelineau M. (2001) – Pressure fluctuation during uplift of the Northern Apennines (Italy): a fluid inclusion study. Tectonophysics, 314, 121-139. Montomoli C. (2002) – Vein development and fluid inclusion data: insight on the evolution of the Tuscan Nappe in the Northern Apennines. Boll. Soc. Geol. It./Italian Journal of Geoscience, 801-817. Carosi R., Leoni L., Montomoli C., Sartori F. (2003) – Very low-grade metamorphism in the Tuscan Nappe, Northern Apennines, Italy: relationships between deformation and metamorphic indicators in the La Spezia mega-fold. Schweiz. Schweiz. Mineral. und Petrogr, Mitteinl., 83, 15-32.