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Casino Basin, Siena Province, Tuscany, Italyi
Regional Level Types
Casino BasinBasin
Siena ProvinceProvince
TuscanyRegion
ItalyCountry

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Area:
10 km2
Type:
Basin - last checked 2025
Deposit first discovered:
1789 (approx.)
Age:
11.0 to 3.5 Ma
Geologic Time:
Reference for age:
Bossio, A., Mazzei, R, Salvatorini, G., Sandrelli, F. (2002) Geologia dell’Area Compresa tra Siena e Poggibonsi (“Bacino del Casino”). Atti Soc. Tosc. Sc. Nat., Mem., 69-85
Largest Settlements:
PlacePopulation
Belverde1,189 (2014)
Poggiarello-Ripa288 (2017)
Ficareto126 (2014)
Colombaio-Via Regioni115 (2014)
Mindat Locality ID:
447150
Long-form identifier:
mindat:1:2:447150:2
GUID (UUID V4):
0
Other Languages:
Italian:
Bacino del Casino, Provincia di Siena, Toscana, Italia


No description has been added for this locality. Can you add one?

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

6 valid minerals. 2 erroneous literature entries.

Rock Types Recorded


Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Aragonite
Formula: CaCO3
ⓘ Calcite
Formula: CaCO3
ⓘ Celestine
Formula: SrSO4
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Marcasite
Formula: FeS2
ⓘ Native Sulphur
Formula: S8
ⓘ 'Petrified Wood'
Localities: Reported from at least 7 localities in this region.
ⓘ Quartz
Formula: SiO2
References:
Amir Akhavan(instead of erroneously reported smoky quartz)
ⓘ Quartz var. Smoky Quartz
Formula: SiO2
Description: Black and brown crystals found at this locality are authigenic quartz crystals colored by inclusions. They are not smoky quartz.
References:
Amir Akhavan(added to strike out)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
ⓘMarcasite2.EB.10aFeS2
Group 4 - Oxides and Hydroxides
ⓘQuartz ?4.DA.05SiO2
ⓘvar. Smoky Quartz ?4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘAragonite5.AB.15CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘCelestine7.AD.35SrSO4
ⓘGypsum7.CD.40CaSO4 · 2H2O
Unclassified
ⓘ'Petrified Wood'-

List of minerals for each chemical element

HHydrogen
Hⓘ GypsumCaSO4 · 2H2O
CCarbon
Cⓘ AragoniteCaCO3
Cⓘ CalciteCaCO3
OOxygen
Oⓘ AragoniteCaCO3
Oⓘ CalciteCaCO3
Oⓘ CelestineSrSO4
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ QuartzSiO2
Oⓘ Quartz var. Smoky QuartzSiO2
SiSilicon
Siⓘ QuartzSiO2
Siⓘ Quartz var. Smoky QuartzSiO2
SSulfur
Sⓘ CelestineSrSO4
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ MarcasiteFeS2
Sⓘ Native SulphurS8
CaCalcium
Caⓘ AragoniteCaCO3
Caⓘ CalciteCaCO3
Caⓘ GypsumCaSO4 · 2H2O
FeIron
Feⓘ MarcasiteFeS2
SrStrontium
Srⓘ CelestineSrSO4

Geochronology

Mineralization age: Miocene : 7.246 Ma to 5.333 Ma

Important note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic TimeRocks, Minerals and Events
Phanerozoic
 Cenozoic
  Neogene
   Miocene
ⓘ Petrified WoodMiocene
(5.333 - 7.246 Ma)
Monteo II stope, Campalli mine, Castellina in Chianti, Siena Province, Tuscany, Italy
ⓘ LigniteMiocene
(5.333 - 7.246 Ma)
La Borea lignite outcrop, La Borea mine, Monteriggioni, Siena Province, Tuscany, Italy

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Localities in this Region

Other Regions, Features and Areas that Intersect

Eurasian PlateTectonic Plate
EuropeContinent
Italy

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

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