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:
Lee, Berkshire Co., Massachusetts, USA

mindat Locality ID: 22983
mindat URL: http://www.mindat.org/loc-22983.html

Tectonic Settings:

Total number of sublocalities beneath "Lee, Berkshire Co., Massachusetts, USA": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Lee Lime Mine (Lee Lime Quarry)
Lee Marble Quarries (Gross Quarry)
Lee Silver Mine

Latitude: 42°18'15"N
Longitude: 73°14'55"W
Decimal Degree (lat, lon): 42.304166666667,-73.248611111111

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.

Amphibole	Calcite	Clay	Garnet	Humite	Mica	None	Pyrite	Spinel	Talc
Titanite

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 C Ca F Fe H K Mg O S Si Ti

Elements from minerals reported directly at this locality: Al C Ca F Fe H K Mg O Si Ti

Structural Groups for minerals in this locality:
Amphibole Calcite Clay Garnet Humite Mica None Pyrite Spinel Talc
Titanite

12 IMA Minerals at location:

Almandine ()*	Calcite ()*	Chondrodite ()*	Dolomite ()*	Graphite ()*
Magnetite ()*	Muscovite ()*	Phlogopite ()*	Pyrite ()*	Talc ()*
Titanite ()*	Tremolite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	0		2353
Calcite ()*	Calcite	Ca(CO₃)	1	219160	27770
Chondrodite ()*	Humite	Mg₅(SiO₄)₂F₂	0		285
Dolomite ()*	None	CaMg(CO₃)₂	1	219160	9895
Graphite ()*	None	C	0		2812
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	0		14899
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	219160	17380
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	0		2273
Pyrite ()*	Pyrite	FeS₂	1	219160	39462
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	219160	3337
Titanite ()*	Titanite	CaTi(SiO₄)O	0		4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1	219160	2562

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...