Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
Isola, Madesimo, Spluga Valley (San Giacomo Valley), Valchiavenna, Sondrio Province, Lombardy, Italy

mindat Locality ID: 271009
mindat URL: http://www.mindat.org/loc-271009.html

Tectonic Settings:

Total number of sublocalities beneath "Isola, Madesimo, Spluga Valley (San Giacomo Valley), Valchiavenna, Sondrio Province, Lombardy, Italy": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Isola Quarry (Isola Quarries)

Latitude: 46°26'55"N
Longitude: 9°20'31"E
Decimal Degree (lat, lon): 46.448611111111,9.3419444444444

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

Aragonite	Brookite	Calcite	Clay	Corundum	Feldspar	Mica	Natrolite	None	Not in a structural group
Pyrite	Quartz	Tourmaline	Zircon

Albite ()*	Anatase ()*	Aragonite ()*	Brookite ()*	Calcite ()*
Dolomite ()*	Dravite ()*	Hematite ()*	Muscovite ()*	Pyrite ()*
Quartz ()*	Schorl ()*	Scolecite ()*	Zircon ()*

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al B C Ca Fe H K Mg Na O S Si Ti Zr

Elements from minerals reported directly at this locality: Al B Fe H Na O Si Zr

Structural Groups for minerals in this locality:
Aragonite Brookite Calcite Clay Corundum Feldspar Mica Natrolite None Not in a structural group
Pyrite Quartz Tourmaline Zircon

14 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	70079	8803
Anatase ()*	Not in a structural group	TiO₂	1	70079	2162
Aragonite ()*	Aragonite	Ca(CO₃)	1	70079	3250
Brookite ()*	Brookite	TiO₂	1	70079	700
Calcite ()*	Calcite	Ca(CO₃)	1	70079	27770
Dolomite ()*	None	CaMg(CO₃)₂	1	70079	9895
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	1	70079	648
Hematite ()*	Corundum	Fe₂O₃	1	70079	14640
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	70079	17380
Pyrite ()*	Pyrite	FeS₂	1	70079	39462
Quartz ()*	Quartz	SiO₂	1	70079	61156
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	0		2705
Scolecite ()*	Natrolite	Ca(Si₃Al₂)O₁₀·3H₂O	1	70079	390
Zircon ()*	Zircon	Zr(SiO₄)	0		5251

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...