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:
Mount Agamenticus, York, York Co., Maine, USA

Oldest recorded age at locality: 225.21
Youngest recorded age at locality: 219.21

mindat Locality ID: 237445
mindat URL: http://www.mindat.org/loc-237445.html

Tectonic Settings:

Total number of sublocalities beneath "Mount Agamenticus, York, York Co., Maine, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 43°13'21"N
Longitude: 70°41'53"W
Decimal Degree (lat, lon): 43.2225,-70.698055555556

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	Apatite	Clay	Epidote	Feldspar	Fluorite	Mica	None	Olivine	Pyroxene
Quartz	Rutile	Sapphirine	Spinel	Titanite	Zircon

Aegirine ()*	Aegirine-augite ()*	Aenigmatite ()*	Albite ()*	Annite ()*
Arfvedsonite ()*	Cassiterite ()*	Fayalite ()*	Fluorapatite ()*	Fluorite ()*
Magnetite ()*	Microcline ()*	Orthoclase ()*	Quartz ()*	Riebeckite ()*
Rutile ()*	Titanite ()*	Zircon ()*	Zoisite ()*

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 Ca F Fe H K Mg Na O P Si Sn Ti Zr

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

Structural Groups for minerals in this locality:
Amphibole Apatite Clay Epidote Feldspar Fluorite Mica None Olivine Pyroxene
Quartz Rutile Sapphirine Spinel Titanite Zircon

19 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	225.21	219.21	1022
Aegirine-augite ()*	Pyroxene	(Ca,Na)(Fe³⁺,Mg,Fe²⁺)Si₂O₆	225.21	219.21	286
Aenigmatite ()*	Sapphirine	Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆]	225.21	219.21	133
Albite ()*	Feldspar	Na(AlSi₃O₈)	225.21	219.21	8803
Annite ()*	Mica Clay	KFe²⁺₃(AlSi₃O₁₀)(OH)₂	225.21	219.21	356
Arfvedsonite ()*	Amphibole	NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂	225.21	219.21	295
Cassiterite ()*	Rutile	SnO₂	225.21	219.21	5171
Fayalite ()*	Olivine	Fe²⁺₂(SiO₄)	225.21	219.21	371
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	225.21	219.21	2740
Fluorite ()*	Fluorite	CaF₂	225.21	219.21	9617
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	225.21	219.21	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	225.21	219.21	4924
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	225.21	219.21	2349
Quartz ()*	Quartz	SiO₂	225.21	219.21	61156
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	225.21	219.21	375
Rutile ()*	Rutile	TiO₂	225.21	219.21	5614
Titanite ()*	Titanite	CaTi(SiO₄)O	225.21	219.21	4899
Zircon ()*	Zircon	Zr(SiO₄)	225.21	219.21	5251
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	225.21	219.21	1025

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
USGS-Rb-Sr-03274	225.21	219.21	222.21±3	Rb-Sr	age of intrusion	whole rock	237445	Mount Agamenticus, York, York Co., Maine, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-03275	225.21	219.21	222.21±3	Rb-Sr	age of intrusion	whole rock	237445	Mount Agamenticus, York, York Co., Maine, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-03276	225.21	219.21	222.21±3	Rb-Sr	age of intrusion	whole rock	237445	Mount Agamenticus, York, York Co., Maine, USA	USGS-Rb-Sr	USGS-Rb-Sr

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...