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:
Nashua, Hillsborough Co., New Hampshire, USA

mindat Locality ID: 31336
mindat URL: http://www.mindat.org/loc-31336.html

Tectonic Settings:

Total number of sublocalities beneath "Nashua, Hillsborough Co., New Hampshire, USA": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Mine Falls Park
Spit Brook Rd.
Stevens Granite Quarry

Latitude: 42°44'54"N
Longitude: 71°30'20"W
Decimal Degree (lat, lon): 42.748333333333,-71.505555555556

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.

Apatite	Arsenopyrite	Brookite	Calcite	Chlorite	Clay	Feldspar	Fluorite	Garnet	Kaolinite
Mica	Nickeline	None	Not in a structural group	Prehnite	Pyrite	Quartz	Rocksalt	Rutile	Sphalerite

Albite ()*	Almandine ()*	Anatase ()*	Annite ()*	Arsenopyrite ()*
Brookite ()*	Calcite ()*	Chamosite ()*	Fluorapatite ()*	Fluorite ()*
Galena ()*	Kaolinite ()*	Laumontite ()*	Microcline ()*	Muscovite ()*
Prehnite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Rutile ()*
Siderite ()*	Sphalerite ()*	Synchysite-(Ce) ()*

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 F Fe H K Mg Na O P Pb S Si Ti Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Apatite Arsenopyrite Brookite Calcite Chlorite Clay Feldspar Fluorite Garnet Kaolinite
Mica Nickeline None Not in a structural group Prehnite Pyrite Quartz Rocksalt Rutile Sphalerite

23 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	242542	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	1	242542	2353
Anatase ()*	Not in a structural group	TiO₂	1	242540	2162
Annite ()*	Mica Clay	KFe²⁺₃(AlSi₃O₁₀)(OH)₂	1	242542	356
Arsenopyrite ()*	Arsenopyrite	FeAsS	1	242540	9052
Brookite ()*	Brookite	TiO₂	1	242540	700
Calcite ()*	Calcite	Ca(CO₃)	1	242540	27770
Chamosite ()*	Chlorite Clay	(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈	1	242542	577
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	1	242542	2740
Fluorite ()*	Fluorite	CaF₂	1	242540	9617
Galena ()*	Rocksalt	PbS	1	242540	24243
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	242542	5591
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1	242541	1271
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	242542	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	242542	17380
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	242540	1898
Pyrite ()*	Pyrite	FeS₂	1	242540	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	242540	9056
Quartz ()*	Quartz	SiO₂	2	242540,242542	61156
Rutile ()*	Rutile	TiO₂	1	242542	5614
Siderite ()*	Calcite	Fe(CO₃)	1	242540	6417
Sphalerite ()*	Sphalerite	ZnS	1	242540	21482
Synchysite-(Ce) ()*	None	CaCe(CO₃)₂F	1	242540	232

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...