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:
Stark, Coos Co., New Hampshire, USA

mindat Locality ID: 23704
mindat URL: http://www.mindat.org/loc-23704.html

Tectonic Settings:

Total number of sublocalities beneath "Stark, Coos Co., New Hampshire, USA": 5
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Dawson Quarry
Diamond Ledges Locality
Hutchins Mountain
Long Mountain
Mill Mountain

Latitude: 44°36'32"N
Longitude: 71°24'26"W
Decimal Degree (lat, lon): 44.608888888889,-71.407222222222

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.

Amphibole	Astrophyllite	Beryl	Clay	Clinozoisite	Diaspore	Epidote	Feldspar	Fluorite	Kaolinite
Molybdenite	None	Pyroxene	Quartz	Rutile	Spinel	Topaz

Aegirine ()*	Albite ()*	Anorthite ()*	Astrophyllite ()*	Beryl ()*
Diopside ()*	Epidote ()*	Fluorite ()*	Goethite ()*	Hastingsite ()*
Hedenbergite ()*	Kaolinite ()*	Magnetite ()*	Microcline ()*	Molybdenite ()*
Orthoclase ()*	Quartz ()*	Riebeckite ()*	Rutile ()*	Topaz ()*

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 Be Ca F Fe H K Mg Mo Na O S Si Ti

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

Structural Groups for minerals in this locality:
Amphibole Astrophyllite Beryl Clay Clinozoisite Diaspore Epidote Feldspar Fluorite Kaolinite
Molybdenite None Pyroxene Quartz Rutile Spinel Topaz

20 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	0		1022
Albite ()*	Feldspar	Na(AlSi₃O₈)	2	242085,242087	8803
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1	242088	1036
Astrophyllite ()*	Astrophyllite	K₂NaFe²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄F	0		161
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	1	242085	4286
Diopside ()*	Pyroxene	CaMgSi₂O₆	0		4135
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	242084	8173
Fluorite ()*	Fluorite	CaF₂	1	242085	9617
Goethite ()*	Diaspore	FeO(OH)	1	242085	7437
Hastingsite ()*	Amphibole	NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂	0		209
Hedenbergite ()*	Pyroxene	CaFe²⁺Si₂O₆	0		741
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	0		5591
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	242084	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	2	242085,242087	4924
Molybdenite ()*	Molybdenite	MoS₂	1	242085	5800
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	242084	2349
Quartz ()*	Quartz	SiO₂	4	242084,242085,242086,242087	61156
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	0		375
Rutile ()*	Rutile	TiO₂	1	242087	5614
Topaz ()*	Topaz	Al₂SiO₄F₂	1	242085	1476

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...