Forte Stella, Monte Argentario, Grosseto Province, Tuscany, Italyi
| Regional Level Types | |
|---|---|
| Forte Stella | - not defined - |
| Monte Argentario | Commune |
| Grosseto Province | Province |
| Tuscany | Region |
| Italy | - not defined - |
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Latitude & Longitude (WGS84):
42° 23' 5'' North , 11° 11' 56'' East
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Porto Ercole | 2,676 (2014) | 1.9km |
| Giannella | 225 (2014) | 6.4km |
| Orbetello | 5,779 (2014) | 6.6km |
| Orbetello Scalo | 1,532 (2014) | 8.2km |
| Monte Argentario | 12,147 (2012) | 8.6km |
Name(s) in local language(s):
Forte Stella, Monte Argentario, Provincia di Grosseto, Toscana, Italia
Outcrops of meta-conglomerates (“anagenites”) and psammo-pelitic rocks typical of the Mid-Triassic Verrucano sequence evidences along the road-cuttings of Via Panoramica, SE of Forte Stella (SSW of Porto Ercole).
Typical metamorphic mineral assemblages of this locality are muscovite-pyrophyllite-paragonite-quartz ± chlorite ± sudoite in Al-rich rich phyllites, locally with chloritoid, and muscovite-quartz ± chlorite ± sudoite ± chloritoid in Al-poorer varieties (Costantini et al., 1995). As in so many other localities of the Monte Argentario Promontory, the high-pressure indicator mineral Fe-Mg-carpholite had escaped everyone’s notice until recent years (Theye et al., 1997; Jolivet et al., 1998). However, in this particular outcrops, ferro- and magnesiocarpholite occur only locally as remains, mostly replaced by breakdown products.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ 'Chlorite Group' Reference: Costantini A., Decandia F.A., Elter F.M., Franceschelli M., Giorgetti G., Lazzarotto A., Liotta D., Memmi I., Sandrelli F., Tavernelli E. (1995): Low-temperature metamorphism in Southern Tuscany: P-T indicators and geodynamic implications. Workshop on Low-T Metamorphism, Siena, 24-26/5/1995. Guidebook for the Post-Workshop Field Excursion, 1-35; Reinhardt J., Rossetti F. (2004): Monte Argentario and Isola del Giglio (Southern Tuscany, Italy): a record from continental break-up to subduction, orogenic wedge formation, and post-orogenic extension. 32nd International Geological Congress (IGC), Florence, August 20-28, 2004. Post-Congress P61. Field Trip Guide Book - P61, 19 pp. |
| ⓘ Chloritoid Formula: (Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2 Reference: Costantini A., Decandia F.A., Elter F.M., Franceschelli M., Giorgetti G., Lazzarotto A., Liotta D., Memmi I., Sandrelli F., Tavernelli E. (1995): Low-temperature metamorphism in Southern Tuscany: P-T indicators and geodynamic implications. Workshop on Low-T Metamorphism, Siena, 24-26/5/1995. Guidebook for the Post-Workshop Field Excursion, 1-35; Reinhardt J., Rossetti F. (2004): Monte Argentario and Isola del Giglio (Southern Tuscany, Italy): a record from continental break-up to subduction, orogenic wedge formation, and post-orogenic extension. 32nd International Geological Congress (IGC), Florence, August 20-28, 2004. Post-Congress P61. Field Trip Guide Book - P61, 19 pp. |
| ⓘ Ferrocarpholite Formula: Fe2+Al2Si2O6(OH)4 Reference: Theye T., Reinhardt J., Goffé B., Jolivet L., Brunet C. (1997): Ferro- and magnesiocarpholite from the Monte Argentario (Italy): First evidence for high-pressure metamorphism of the metasedimentary Verrucano sequence, and significance for P-T path reconstruction. Eur. J. Mineral., 9, 859-873; Jolivet L., Faccenna C., Goffè B., Mattei M., Rossetti F., Brunet Ch., Storti F., Funiciello R., Cadet J.P., D’Agostino N., Parra T. (1998): Mid-crustal shear zones in post-orogenic extension: example from the Northern Tyrrhenian sea. J. Geoph. Res., 103, B6, 123-160.; Reinhardt J., Rossetti F. (2004): Monte Argentario and Isola del Giglio (Southern Tuscany, Italy): a record from continental break-up to subduction, orogenic wedge formation, and post-orogenic extension. 32nd International Geological Congress (IGC), Florence, August 20-28, 2004. Post-Congress P61. Field Trip Guide Book - P61, 19 pp. |
| ⓘ Kaolinite Formula: Al2(Si2O5)(OH)4 Reference: Theye T., Reinhardt J., Goffé B., Jolivet L., Brunet C. (1997): Ferro- and magnesiocarpholite from the Monte Argentario (Italy): First evidence for high-pressure metamorphism of the metasedimentary Verrucano sequence, and significance for P-T path reconstruction. Eur. J. Mineral., 9, 859-873. |
| ⓘ Magnesiocarpholite Formula: MgAl2Si2O6(OH)4 Reference: Theye T., Reinhardt J., Goffé B., Jolivet L., Brunet C. (1997): Ferro- and magnesiocarpholite from the Monte Argentario (Italy): First evidence for high-pressure metamorphism of the metasedimentary Verrucano sequence, and significance for P-T path reconstruction. Eur. J. Mineral., 9, 859-873; Jolivet L., Faccenna C., Goffè B., Mattei M., Rossetti F., Brunet Ch., Storti F., Funiciello R., Cadet J.P., D’Agostino N., Parra T. (1998): Mid-crustal shear zones in post-orogenic extension: example from the Northern Tyrrhenian sea. J. Geoph. Res., 103, B6, 123-160.; Reinhardt J., Rossetti F. (2004): Monte Argentario and Isola del Giglio (Southern Tuscany, Italy): a record from continental break-up to subduction, orogenic wedge formation, and post-orogenic extension. 32nd International Geological Congress (IGC), Florence, August 20-28, 2004. Post-Congress P61. Field Trip Guide Book - P61, 19 pp. |
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 Reference: Costantini A., Decandia F.A., Elter F.M., Franceschelli M., Giorgetti G., Lazzarotto A., Liotta D., Memmi I., Sandrelli F., Tavernelli E. (1995): Low-temperature metamorphism in Southern Tuscany: P-T indicators and geodynamic implications. Workshop on Low-T Metamorphism, Siena, 24-26/5/1995. Guidebook for the Post-Workshop Field Excursion, 1-35; Reinhardt J., Rossetti F. (2004): Monte Argentario and Isola del Giglio (Southern Tuscany, Italy): a record from continental break-up to subduction, orogenic wedge formation, and post-orogenic extension. 32nd International Geological Congress (IGC), Florence, August 20-28, 2004. Post-Congress P61. Field Trip Guide Book - P61, 19 pp. |
| ⓘ Paragonite Formula: NaAl2(AlSi3O10)(OH)2 Reference: Costantini A., Decandia F.A., Elter F.M., Franceschelli M., Giorgetti G., Lazzarotto A., Liotta D., Memmi I., Sandrelli F., Tavernelli E. (1995): Low-temperature metamorphism in Southern Tuscany: P-T indicators and geodynamic implications. Workshop on Low-T Metamorphism, Siena, 24-26/5/1995. Guidebook for the Post-Workshop Field Excursion, 1-35; Reinhardt J., Rossetti F. (2004): Monte Argentario and Isola del Giglio (Southern Tuscany, Italy): a record from continental break-up to subduction, orogenic wedge formation, and post-orogenic extension. 32nd International Geological Congress (IGC), Florence, August 20-28, 2004. Post-Congress P61. Field Trip Guide Book - P61, 19 pp. |
| ⓘ Pyrophyllite Formula: Al2Si4O10(OH)2 Reference: Costantini A., Decandia F.A., Elter F.M., Franceschelli M., Giorgetti G., Lazzarotto A., Liotta D., Memmi I., Sandrelli F., Tavernelli E. (1995): Low-temperature metamorphism in Southern Tuscany: P-T indicators and geodynamic implications. Workshop on Low-T Metamorphism, Siena, 24-26/5/1995. Guidebook for the Post-Workshop Field Excursion, 1-35; Reinhardt J., Rossetti F. (2004): Monte Argentario and Isola del Giglio (Southern Tuscany, Italy): a record from continental break-up to subduction, orogenic wedge formation, and post-orogenic extension. 32nd International Geological Congress (IGC), Florence, August 20-28, 2004. Post-Congress P61. Field Trip Guide Book - P61, 19 pp. |
| ⓘ Quartz Formula: SiO2 Reference: Costantini A., Decandia F.A., Elter F.M., Franceschelli M., Giorgetti G., Lazzarotto A., Liotta D., Memmi I., Sandrelli F., Tavernelli E. (1995): Low-temperature metamorphism in Southern Tuscany: P-T indicators and geodynamic implications. Workshop on Low-T Metamorphism, Siena, 24-26/5/1995. Guidebook for the Post-Workshop Field Excursion, 1-35; Reinhardt J., Rossetti F. (2004): Monte Argentario and Isola del Giglio (Southern Tuscany, Italy): a record from continental break-up to subduction, orogenic wedge formation, and post-orogenic extension. 32nd International Geological Congress (IGC), Florence, August 20-28, 2004. Post-Congress P61. Field Trip Guide Book - P61, 19 pp. |
| ⓘ Sudoite Formula: Mg2Al3(Si3Al)O10)(OH)8 Reference: Costantini A., Decandia F.A., Elter F.M., Franceschelli M., Giorgetti G., Lazzarotto A., Liotta D., Memmi I., Sandrelli F., Tavernelli E. (1995): Low-temperature metamorphism in Southern Tuscany: P-T indicators and geodynamic implications. Workshop on Low-T Metamorphism, Siena, 24-26/5/1995. Guidebook for the Post-Workshop Field Excursion, 1-35; Reinhardt J., Rossetti F. (2004): Monte Argentario and Isola del Giglio (Southern Tuscany, Italy): a record from continental break-up to subduction, orogenic wedge formation, and post-orogenic extension. 32nd International Geological Congress (IGC), Florence, August 20-28, 2004. Post-Congress P61. Field Trip Guide Book - P61, 19 pp.; Theye T., Reinhardt J., Goffé B., Jolivet L., Brunet C. (1997): Ferro- and magnesiocarpholite from the Monte Argentario (Italy): First evidence for high-pressure metamorphism of the metasedimentary Verrucano sequence, and significance for P-T path reconstruction. Eur. J. Mineral., 9, 859-873. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 9 - Silicates | |||
| ⓘ | Chloritoid | 9.AF.85 | (Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2 |
| ⓘ | Ferrocarpholite | 9.DB.05 | Fe2+Al2Si2O6(OH)4 |
| ⓘ | Kaolinite | 9.ED.05 | Al2(Si2O5)(OH)4 |
| ⓘ | Magnesiocarpholite | 9.DB.05 | MgAl2Si2O6(OH)4 |
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | Paragonite | 9.EC.15 | NaAl2(AlSi3O10)(OH)2 |
| ⓘ | Pyrophyllite | 9.EC.10 | Al2Si4O10(OH)2 |
| ⓘ | Sudoite | 9.EC.55 | Mg2Al3(Si3Al)O10)(OH)8 |
| Unclassified Minerals, Rocks, etc. | |||
| ⓘ | 'Chlorite Group' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Pyrophyllite | Al2Si4O10(OH)2 |
| H | ⓘ Paragonite | NaAl2(AlSi3O10)(OH)2 |
| H | ⓘ Sudoite | Mg2Al3(Si3Al)O10)(OH)8 |
| H | ⓘ Chloritoid | (Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2 |
| H | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| H | ⓘ Ferrocarpholite | Fe2+Al2Si2O6(OH)4 |
| H | ⓘ Magnesiocarpholite | MgAl2Si2O6(OH)4 |
| O | Oxygen | |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Pyrophyllite | Al2Si4O10(OH)2 |
| O | ⓘ Paragonite | NaAl2(AlSi3O10)(OH)2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Sudoite | Mg2Al3(Si3Al)O10)(OH)8 |
| O | ⓘ Chloritoid | (Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2 |
| O | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| O | ⓘ Ferrocarpholite | Fe2+Al2Si2O6(OH)4 |
| O | ⓘ Magnesiocarpholite | MgAl2Si2O6(OH)4 |
| Na | Sodium | |
| Na | ⓘ Paragonite | NaAl2(AlSi3O10)(OH)2 |
| Mg | Magnesium | |
| Mg | ⓘ Sudoite | Mg2Al3(Si3Al)O10)(OH)8 |
| Mg | ⓘ Chloritoid | (Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2 |
| Mg | ⓘ Magnesiocarpholite | MgAl2Si2O6(OH)4 |
| Al | Aluminium | |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Pyrophyllite | Al2Si4O10(OH)2 |
| Al | ⓘ Paragonite | NaAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Sudoite | Mg2Al3(Si3Al)O10)(OH)8 |
| Al | ⓘ Chloritoid | (Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2 |
| Al | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| Al | ⓘ Ferrocarpholite | Fe2+Al2Si2O6(OH)4 |
| Al | ⓘ Magnesiocarpholite | MgAl2Si2O6(OH)4 |
| Si | Silicon | |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Pyrophyllite | Al2Si4O10(OH)2 |
| Si | ⓘ Paragonite | NaAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Sudoite | Mg2Al3(Si3Al)O10)(OH)8 |
| Si | ⓘ Chloritoid | (Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2 |
| Si | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| Si | ⓘ Ferrocarpholite | Fe2+Al2Si2O6(OH)4 |
| Si | ⓘ Magnesiocarpholite | MgAl2Si2O6(OH)4 |
| K | Potassium | |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Mn | Manganese | |
| Mn | ⓘ Chloritoid | (Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2 |
| Fe | Iron | |
| Fe | ⓘ Chloritoid | (Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2 |
| Fe | ⓘ Ferrocarpholite | Fe2+Al2Si2O6(OH)4 |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)Costantini A., Decandia F.A., Elter F.M., Franceschelli M., Giorgetti G., Lazzarotto A., Liotta D., Memmi I., Sandrelli F., Tavernelli E. (1995): Low-temperature metamorphism in Southern Tuscany: P-T indicators and geodynamic implications. Workshop on Low-T Metamorphism, Siena, 24-26/5/1995. Guidebook for the Post-Workshop Field Excursion, 1-35.
Theye T., Reinhardt J., Goffé B., Jolivet L., Brunet C. (1997): Ferro- and magnesiocarpholite from the Monte Argentario (Italy): First evidence for high-pressure metamorphism of the metasedimentary Verrucano sequence, and significance for P-T path reconstruction. European Journal of Mineralogy, 9, 859-873.
Jolivet L., Faccenna C., Goffè B., Mattei M., Rossetti F., Brunet Ch., Storti F., Funiciello R., Cadet J.P., D’Agostino N., Parra T. (1998): Mid-crustal shear zones in post-orogenic extension: example from the Northern Tyrrhenian sea. J. Geoph. Res., 103, B6, 123-160.
Reinhardt J., Rossetti F. (2004): Monte Argentario and Isola del Giglio (Southern Tuscany, Italy): a record from continental break-up to subduction, orogenic wedge formation, and post-orogenic extension. 32nd International Geological Congress (IGC), Florence, August 20-28, 2004. Post-Congress P61. Field Trip Guide Book - P61, 19 pp.
Other Regions, Features and Areas containing this locality
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