Deep hydrothermal circulation in a granite intrusion beneath Larderello geothermal area (Italy): constraints from mineralogy, fluid inclusions and stable isotopes

A shallow (∼2 km) granite body has been intersected by the MONT-4 well in new producing areas of the Larderello geothermal field. The granite at 2.2–2.5 km and below 3 km underwent pervasive propylitic alteration that is dominated by the assemblage chlorite+adularia+quartz+illite+calcite+albite±epid...

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Veröffentlicht in:	Journal of volcanology and geothermal research 2003-08, Vol.126 (3), p.243-262
Hauptverfasser:	Boyce, A.J, Fulignati, P, Sbrana, A
Format:	Artikel
Sprache:	eng
Schlagworte:	Crystalline rocks Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Exact sciences and technology fluid inclusions Geochemistry Geothermics geothermics, hydrothermal alteration Igneous and metamorphic rocks petrology, volcanic processes, magmas Larderello Mineralogy Silicates stable isotopes Water geochemistry
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