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:
Allston-Brighton, Boston, Suffolk Co., Massachusetts, USA

mindat Locality ID: 22362
mindat URL: http://www.mindat.org/loc-22362.html

Tectonic Settings:

Total number of sublocalities beneath "Allston-Brighton, Boston, Suffolk Co., Massachusetts, USA": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Lake Street Pudding Stone Location
McMurtry's Ledge Stone Quarry
Rowe's Quarry
Warren Street Quarry (Beatty's Ledge)

Latitude: 42°20'47"N
Longitude: 71°9'8"W
Decimal Degree (lat, lon): 42.346388888889,-71.152222222222

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	Amphibole	Baryte	Calcite	Chalcopyrite	Clinozoisite	Corundum	Epidote	Feldspar	Gypsum
Malachite	None	Not in a structural group	Prehnite	Pyrite	Quartz	Titanite

Actinolite ()*	Albite ()*	Azurite ()*	Baryte ()*	Bornite ()*
Calcite ()*	Chalcocite ()*	Chalcopyrite ()*	Chrysocolla ()*	Epidote ()*
Gypsum ()*	Hematite ()*	Malachite ()*	Orthoclase ()*	Prehnite ()*
Pyrite ()*	Quartz ()*	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 Ba C Ca Cu Fe H K Mg Na O S Si Ti

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

Structural Groups for minerals in this locality:
Allophane Amphibole Baryte Calcite Chalcopyrite Clinozoisite Corundum Epidote Feldspar Gypsum
Malachite None Not in a structural group Prehnite Pyrite Quartz Titanite

18 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	1	219793	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	219793	8803
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	0		5509
Baryte ()*	Baryte	Ba(SO₄)	1	219793	11547
Bornite ()*	None	Cu₅FeS₄	1	219793	5516
Calcite ()*	Calcite	Ca(CO₃)	1	219793	27770
Chalcocite ()*	None	Cu₂S	1	219793	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	0		27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	1	219793	3531
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	219793	8173
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	0		6890
Hematite ()*	Corundum	Fe₂O₃	1	219793	14640
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	219793	12537
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	0		2349
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	219793	1898
Pyrite ()*	Pyrite	FeS₂	0		39462
Quartz ()*	Quartz	SiO₂	1	219793	61156
Titanite ()*	Titanite	CaTi(SiO₄)O	0		4899

No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...