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:
Woburn, Middlesex Co., Massachusetts, USA

mindat Locality ID: 105687
mindat URL: http://www.mindat.org/loc-105687.html

Tectonic Settings:

Total number of sublocalities beneath "Woburn, Middlesex Co., Massachusetts, USA": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Blueberry Mountain Quarry (Blueberry Hill)
Nanny Goat Hill
North Woburn
Woburn "silver Mine"

Latitude: 42°30'2"N
Longitude: 71°8'10"W
Decimal Degree (lat, lon): 42.500555555556,-71.136111111111

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.

Allanite	Amorphous	Amphibole	Analcime	Arsenopyrite	Calcite	Chalcopyrite	Clay	Clinozoisite	Corundum
Epidote	Feldspar	Fluorite	Garnet	Malachite	Mica	Molybdenite	None	Not in a structural group	Prehnite
Pyrite	Quartz	Rhodonite	Rocksalt	Rutile	Sphalerite	Spinel	Stilbite	Stilpnomelane	Titanite
Zircon

Actinolite ()*	Albite ()*	Allanite-(Ce) ()*	Analcime ()*	Andradite ()*
Arsenopyrite ()*	Azurite ()*	Babingtonite ()*	Bornite ()*	Calcite ()*
Chalcocite ()*	Chalcopyrite ()*	Cuprite ()*	Epidote ()*	Fluorite ()*
Galena ()*	Grossular ()*	Hematite ()*	Ilmenite ()*	Laumontite ()*
Magnetite ()*	Malachite ()*	Microcline ()*	Molybdenite ()*	Muscovite ()*
Opal ()*	Orthoclase ()*	Prehnite ()*	Pyrite ()*	Quartz ()*
Rutile ()*	Sphalerite ()*	Stilbite-Ca ()*	Stilpnomelane ()*	Thorite ()*
Titanite ()*	Tremolite ()*	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 As C Ca Ce Cu F Fe H K Mg Mo Na O Pb S Si Th Ti Zn Zr

Elements from minerals reported directly at this locality: Al Ca O Si

Structural Groups for minerals in this locality:
Allanite Amorphous Amphibole Analcime Arsenopyrite Calcite Chalcopyrite Clay Clinozoisite Corundum
Epidote Feldspar Fluorite Garnet Malachite Mica Molybdenite None Not in a structural group Prehnite
Pyrite Quartz Rhodonite Rocksalt Rutile Sphalerite Spinel Stilbite Stilpnomelane Titanite
Zircon

38 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	219684	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	219682	8803
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	1	219682	706
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1	219682	1627
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	1	219682	1534
Arsenopyrite ()*	Arsenopyrite	FeAsS	1	219682	9052
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1	219682	5509
Babingtonite ()*	Rhodonite	Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)	2	219682,219684	161
Bornite ()*	None	Cu₅FeS₄	1	219682	5516
Calcite ()*	Calcite	Ca(CO₃)	2	219682,219683	27770
Chalcocite ()*	None	Cu₂S	1	219682	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	3	219682,219683,219684	27198
Cuprite ()*	Not in a structural group	Cu₂O	1	219682	2970
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	2	219682,219684	8173
Fluorite ()*	Fluorite	CaF₂	2	219682,219683	9617
Galena ()*	Rocksalt	PbS	1	219683	24243
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	0		1544
Hematite ()*	Corundum	Fe₂O₃	1	219682	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	219682	5433
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1	219682	1271
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	219682	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	2	219682,219684	12537
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	219682	4924
Molybdenite ()*	Molybdenite	MoS₂	1	219682	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	219682	17380
Opal ()*	Amorphous	SiO₂·nH₂O	1	219682	2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	219682	2349
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	219682	1898
Pyrite ()*	Pyrite	FeS₂	3	219682,219683,219684	39462
Quartz ()*	Quartz	SiO₂	3	219682,219683,219684	61156
Rutile ()*	Rutile	TiO₂	1	219682	5614
Sphalerite ()*	Sphalerite	ZnS	2	219682,219683	21482
Stilbite-Ca ()*	Stilbite	NaCa₄(Si₂₇Al₉)O₇₂·28H₂O	1	219684	268
Stilpnomelane ()*	Stilpnomelane Clay	(K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O	1	219682	456
Thorite ()*	Zircon	Th(SiO₄)	1	219682	1006
Titanite ()*	Titanite	CaTi(SiO₄)O	2	219682,219684	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1	219682	2562
Zircon ()*	Zircon	Zr(SiO₄)	1	219682	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...