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:
Bregaglia Valley, Valchiavenna, Sondrio Province, Lombardy, Italy

mindat Locality ID: 132166
mindat URL: http://www.mindat.org/loc-132166.html

Tectonic Settings:

Total number of sublocalities beneath "Bregaglia Valley, Valchiavenna, Sondrio Province, Lombardy, Italy": 9
Total number of bottom-level sublocalities: 8

Number of Child Localities: 5
Child Localities:
Aurosina Valley
Bregaglia Granite Contact Metamorphism Zone
Cima Di Codera
Rossaccio Alp ("Rossaccio Valley")
Villa Di Chiavenna

Latitude: 46°19'34"N
Longitude: 9°30'44"E
Decimal Degree (lat, lon): 46.326111111111,9.5122222222222

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.

Aeschynite	Allanite	Amphibole	Andalusite	Beryl	Brookite	Calcite	Chalcopyrite	Chlorite	Clay
Clinozoisite	Copper	Corundum	Diaspore	Epidote	Feldspar	Fluorite	Garnet	Humite	Mica
Monazite	None	Not in a structural group	Olivine	Pyrite	Pyroxene	Quartz	Rutile	Scapolite	Serpentine
Spinel	Stibnite	Talc	Titanite	Tourmaline	Zircon

Aeschynite-(Y) ()*	Albite ()*	Allanite-(Ce) ()*	Anatase ()*	Andalusite ()*
Antigorite ()*	Beryl ()*	Bismuthinite ()*	Brookite ()*	Calcite ()*
Chalcopyrite ()*	Chondrodite ()*	Chrysoberyl ()*	Clinochlore ()*	Clinohumite ()*
Cordierite ()*	Corundum ()*	Diopside ()*	Dolomite ()*	Dravite ()*
Epidote ()*	Ferro-hornblende ()*	Forsterite ()*	Goethite ()*	Gold ()*
Grossular ()*	Hematite ()*	Ilmenite ()*	Kyanite ()*	Meionite ()*
Monazite-(Ce) ()*	Muscovite ()*	Phlogopite ()*	Pyrite ()*	Quartz ()*
Rutile ()*	Schorl ()*	Sillimanite ()*	Spessartine ()*	Spinel ()*
Talc ()*	Titanite ()*	Tremolite ()*	Uraninite ()*	Xenotime-(Y) ()*
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 Au B Be Bi C Ca Ce Cu F Fe H K Mg Mn Na Nb O P S Si Th Ti U Y Zr

Elements from minerals reported directly at this locality: Al O

Structural Groups for minerals in this locality:
Aeschynite Allanite Amphibole Andalusite Beryl Brookite Calcite Chalcopyrite Chlorite Clay
Clinozoisite Copper Corundum Diaspore Epidote Feldspar Fluorite Garnet Humite Mica
Monazite None Not in a structural group Olivine Pyrite Pyroxene Quartz Rutile Scapolite Serpentine
Spinel Stibnite Talc Titanite Tourmaline Zircon

46 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aeschynite-(Y) ()*	Aeschynite	(Y,Ln,Ca,Th)(Ti,Nb)₂(O,OH)₆	1	70032	141
Albite ()*	Feldspar	Na(AlSi₃O₈)	3	70030,70032,70035	8803
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	1	70029	706
Anatase ()*	Not in a structural group	TiO₂	1	70030	2162
Andalusite ()*	Andalusite	Al₂SiO₅	2	70033,70034	1310
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	1	70028	708
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	3	70027,70030,70033	4286
Bismuthinite ()*	Stibnite	Bi₂S₃	1	70033	1935
Brookite ()*	Brookite	TiO₂	2	70030,70032	700
Calcite ()*	Calcite	Ca(CO₃)	2	70028,70030	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	70030	27198
Chondrodite ()*	Humite	Mg₅(SiO₄)₂F₂	1	70028	285
Chrysoberyl ()*	Olivine	BeAl₂O₄	1	70033	321
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	2	70030,70035	1756
Clinohumite ()*	Humite	Mg₉(SiO₄)₄F₂	1	70028	236
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈	2	70033,70034	1008
Corundum ()*	Corundum	Al₂O₃	0		1797
Diopside ()*	Pyroxene	CaMgSi₂O₆	2	70028,70035	4135
Dolomite ()*	None	CaMg(CO₃)₂	1	70028	9895
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	1	70032	648
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	3	70028,70030,70035	8173
Ferro-hornblende ()*	Amphibole	Ca₂(Fe²⁺₄Al)(Si₇Al)O₂₂(OH)₂	1	70035	271
Forsterite ()*	Olivine	Mg₂(SiO₄)	1	70028	1188
Goethite ()*	Diaspore	FeO(OH)	1	70034	7437
Gold ()*	Copper	Au	1	70030	30554
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	2	70028,70030	1544
Hematite ()*	Corundum	Fe₂O₃	1	70032	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	3	70030,70034,70035	5433
Kyanite ()*	Not in a structural group	Al₂OSiO₄	1	70033	1507
Meionite ()*	Scapolite	Ca₄Al₆Si₆O₂₄(CO₃)	1	70035	176
Monazite-(Ce) ()*	Monazite	Ce(PO₄)	1	70032	945
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	5	70028,70032,70033,70034,70035	17380
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	1	70028	2273
Pyrite ()*	Pyrite	FeS₂	2	70034,70035	39462
Quartz ()*	Quartz	SiO₂	5	70028,70032,70033,70034,70035	61156
Rutile ()*	Rutile	TiO₂	2	70032,70035	5614
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	2	70027,70033	2705
Sillimanite ()*	Not in a structural group	Al₂SiO₅	1	70033	1516
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	2	70030,70033	1214
Spinel ()*	Spinel	MgAl₂O₄	1	70028	1934
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	70028	3337
Titanite ()*	Titanite	CaTi(SiO₄)O	3	70029,70032,70035	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1	70028	2562
Uraninite ()*	Fluorite	UO₂	2	70029,70030	2718
Xenotime-(Y) ()*	Zircon	Y(PO₄)	1	70032	939
Zircon ()*	Zircon	Zr(SiO₄)	3	70029,70030,70033	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...