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:
Windham, Rockingham Co., New Hampshire, USA

mindat Locality ID: 189714
mindat URL: http://www.mindat.org/loc-189714.html

Tectonic Settings:

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

Number of Child Localities: 3
Child Localities:
Ledge Rd. Locality
Route 111 Bypass Road Cut
Route 28 Area

Latitude: 42°49'11"N
Longitude: 71°14'48"W
Decimal Degree (lat, lon): 42.819722222222,-71.246666666667

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.

Amorphous	Amphibole	Apatite	Calcite	Clay	Clinozoisite	Epidote	Feldspar	Garnet	Mica
Nickeline	None	Pyrite	Pyroxene	Quartz	Spinel	Titanite	Zircon

Actinolite ()*	Albite ()*	Almandine ()*	Calcite ()*	Clinozoisite ()*
Diopside ()*	Dolomite ()*	Epidote ()*	Fluorapatite ()*	Graphite ()*
Magnetite ()*	Microcline ()*	Muscovite ()*	Opal ()*	Pyrite ()*
Pyrrhotite ()*	Quartz ()*	Titanite ()*	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 C Ca F Fe H K Mg Na O P S Si Ti Zr

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

Structural Groups for minerals in this locality:
Amorphous Amphibole Apatite Calcite Clay Clinozoisite Epidote Feldspar Garnet Mica
Nickeline None Pyrite Pyroxene Quartz Spinel Titanite Zircon

19 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	242701	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	242701	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	2	242699,242701	2353
Calcite ()*	Calcite	Ca(CO₃)	2	242699,242701	27770
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	0		1025
Diopside ()*	Pyroxene	CaMgSi₂O₆	0		4135
Dolomite ()*	None	CaMg(CO₃)₂	1	242701	9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	2	242699,242700	8173
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	1	242699	2740
Graphite ()*	None	C	1	242699	2812
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	0		14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	242701	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	0		17380
Opal ()*	Amorphous	SiO₂·nH₂O	1	242699	2994
Pyrite ()*	Pyrite	FeS₂	1	242699	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	242699	9056
Quartz ()*	Quartz	SiO₂	2	242699,242701	61156
Titanite ()*	Titanite	CaTi(SiO₄)O	2	242699,242701	4899
Zircon ()*	Zircon	Zr(SiO₄)	0		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...