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:
Boston, Suffolk Co., Massachusetts, USA

mindat Locality ID: 22364
mindat URL: http://www.mindat.org/loc-22364.html

Tectonic Settings:

Total number of sublocalities beneath "Boston, Suffolk Co., Massachusetts, USA": 11
Total number of bottom-level sublocalities: 7

Number of Child Localities: 4
Child Localities:
Allston-Brighton
Dorchester
Roslindale
West Roxbury

Latitude: 42°18'24"N
Longitude: 71°9'19"W
Decimal Degree (lat, lon): 42.306666666667,-71.155277777778

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.

Allophane	Amorphous	Amphibole	Baryte	Calcite	Chalcopyrite	Chlorite	Clay	Clinozoisite	Corundum
Diaspore	Epidote	Feldspar	Fluorite	Gypsum	Malachite	None	Not in a structural group	Prehnite	Pyrite
Quartz	Rhodonite	Rocksalt	Titanite	Vivianite	Zircon

Actinolite ()*	Albite ()*	Anatase ()*	Anthophyllite ()*	Azurite ()*
Babingtonite ()*	Baryte ()*	Bornite ()*	Calcite ()*	Chalcocite ()*
Chalcopyrite ()*	Chamosite ()*	Chrysocolla ()*	Cuprite ()*	Epidote ()*
Fluorite ()*	Galena ()*	Goethite ()*	Gypsum ()*	Hematite ()*
Malachite ()*	Microcline ()*	Opal ()*	Orthoclase ()*	Prehnite ()*
Pyrite ()*	Quartz ()*	Titanite ()*	Vivianite ()*	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 Ba C Ca Cu F Fe H K Mg Na O P Pb S Si Ti Zr

Elements from minerals reported directly at this locality: Fe H O P

Structural Groups for minerals in this locality:
Allophane Amorphous Amphibole Baryte Calcite Chalcopyrite Chlorite Clay Clinozoisite Corundum
Diaspore Epidote Feldspar Fluorite Gypsum Malachite None Not in a structural group Prehnite Pyrite
Quartz Rhodonite Rocksalt Titanite Vivianite Zircon

30 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	2	219789,219793	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	3	219789,219793,219799	8803
Anatase ()*	Not in a structural group	TiO₂	1	219799	2162
Anthophyllite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂	1	219799	718
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1	219789	5509
Babingtonite ()*	Rhodonite	Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)	1	219799	161
Baryte ()*	Baryte	Ba(SO₄)	2	219789,219793	11547
Bornite ()*	None	Cu₅FeS₄	1	219793	5516
Calcite ()*	Calcite	Ca(CO₃)	4	219789,219793,219798,219799	27770
Chalcocite ()*	None	Cu₂S	1	219793	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	2	219789,219799	27198
Chamosite ()*	Chlorite Clay	(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈	1	219799	577
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	1	219793	3531
Cuprite ()*	Not in a structural group	Cu₂O	1	219799	2970
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	3	219789,219793,219799	8173
Fluorite ()*	Fluorite	CaF₂	1	219799	9617
Galena ()*	Rocksalt	PbS	1	219799	24243
Goethite ()*	Diaspore	FeO(OH)	1	219799	7437
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	219789	6890
Hematite ()*	Corundum	Fe₂O₃	3	219789,219793,219799	14640
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	3	219789,219793,219799	12537
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	219799	4924
Opal ()*	Amorphous	SiO₂·nH₂O	1	219799	2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	219789	2349
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	219793	1898
Pyrite ()*	Pyrite	FeS₂	3	219789,219798,219799	39462
Quartz ()*	Quartz	SiO₂	5	219789,219793,219797,219798,219799	61156
Titanite ()*	Titanite	CaTi(SiO₄)O	2	219789,219799	4899
Vivianite ()*	Vivianite	Fe²⁺₃(PO₄)₂·8H₂O	0		636
Zircon ()*	Zircon	Zr(SiO₄)	1	219799	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...