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:
Georgetown, Sagadahoc Co., Maine, USA

mindat Locality ID: 23770
mindat URL: http://www.mindat.org/loc-23770.html

Tectonic Settings:

Total number of sublocalities beneath "Georgetown, Sagadahoc Co., Maine, USA": 10
Total number of bottom-level sublocalities: 10

Number of Child Localities: 10
Child Localities:
Bay Point Andalusite Localities
Consolidated Bald Hill Prospects
Consolidated Feldspar Quarries (Goldings)
Cummings Quarry
Georgetown Hill Prospects
Howard-Collins Quarry (Harvard Prospect)
Perkins Island Beryl Locality
Small Point Quarry
Todd's Bay Quarry
Will Oliver Quarry

Latitude: 43°46'29"N
Longitude: 69°46'1"W
Decimal Degree (lat, lon): 43.774722222222,-69.766944444444

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	Andalusite	Apatite	Arsenopyrite	Autunite	Beryl	Beryllonite	Childrenite	Chlorite	Clay
Columbite	Dumortierite	Feldspar	Fluorite	Gadolinite	Garnet	Meta-autunite	Mica	None	Not in a structural group
Phosphuranylite	Pyrite	Pyroxene	Quartz	Roscherite	Rutile	Smectite-vermiculite	Tourmaline	Zircon

Albite ()*	Almandine ()*	Andalusite ()*	Annite ()*	Anthophyllite ()*
Arsenopyrite ()*	Autunite ()*	Bertrandite ()*	Beryl ()*	Beryllonite ()*
Cassiterite ()*	Columbite-(Fe) ()*	Columbite-(Mn) ()*	Cookeite ()*	Dumortierite ()*
Elbaite ()*	Eosphorite ()*	Fluorapatite ()*	Greifensteinite ()*	Hydroxylherderite ()*
Meta-autunite ()*	Metatorbernite ()*	Microcline ()*	Montebrasite ()*	Montmorillonite ()*
Muscovite ()*	Phosphuranylite ()*	Pyrite ()*	Quartz ()*	Schorl ()*
Scorodite ()*	Sillimanite ()*	Spessartine ()*	Spodumene ()*	Tantalite-(Mn) ()*
Uraninite ()*	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 B Be Ca Cu F Fe H K Li Mg Mn Na Nb O P S Si Sn Ta U Zr

Elements from minerals reported directly at this locality: Al B H Mg O Si

Structural Groups for minerals in this locality:
Amphibole Andalusite Apatite Arsenopyrite Autunite Beryl Beryllonite Childrenite Chlorite Clay
Columbite Dumortierite Feldspar Fluorite Gadolinite Garnet Meta-autunite Mica None Not in a structural group
Phosphuranylite Pyrite Pyroxene Quartz Roscherite Rutile Smectite-vermiculite Tourmaline Zircon

37 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)	4	217853,217856,217858,217859	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	5	217853,217854,217858,217859,217860	2353
Andalusite ()*	Andalusite	Al₂SiO₅	1	217851	1310
Annite ()*	Mica Clay	KFe²⁺₃(AlSi₃O₁₀)(OH)₂	1	217856	356
Anthophyllite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂	0		718
Arsenopyrite ()*	Arsenopyrite	FeAsS	1	217853	9052
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O	2	217853,217856	1272
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂	1	217853	606
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	6	217853,217856,217857,217858,217859,217860	4286
Beryllonite ()*	Beryllonite	NaBe(PO₄)	1	217853	47
Cassiterite ()*	Rutile	SnO₂	2	217853,217856	5171
Columbite-(Fe) ()*	Columbite	Fe²⁺Nb₂O₆	1	217856	518
Columbite-(Mn) ()*	Columbite	Mn²⁺Nb₂O₆	1	217856	289
Cookeite ()*	Chlorite Clay	(Al,Li)₃Al₂(Si,Al)₄O₁₀(OH)₈	1	217856	181
Dumortierite ()*	Dumortierite	AlAl₆BSi₃O₁₈	0		231
Elbaite ()*	Tourmaline	Na(Al_1.5Li_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	2	217853,217856	520
Eosphorite ()*	Childrenite	Mn²⁺Al(PO₄)(OH)₂·H₂O	2	217853,217856	128
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	2	217853,217856	2740
Greifensteinite ()*	Roscherite	Ca₂Be₄Fe²⁺₅(PO₄)₆(OH)₄·6H₂O	1	217853	27
Hydroxylherderite ()*	Gadolinite	CaBe(PO₄)(OH)	1	217853	119
Meta-autunite ()*	Meta-autunite	Ca(UO₂)₂(PO₄)₂·6H₂O	1	217853	388
Metatorbernite ()*	None	Cu(UO₂)₂(PO₄)₂·8H₂O	1	217853	443
Microcline ()*	Feldspar	K(AlSi₃O₈)	8	217852,217853,217854,217856,217857,217858,217859,217860	4924
Montebrasite ()*	None	LiAl(PO₄)(OH)	2	217853,217856	200
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	1	217853	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	9	217851,217852,217853,217854,217856,217857,217858,217859,217860	17380
Phosphuranylite ()*	Phosphuranylite	KCa(H₃O)₃(UO₂)₇(PO₄)₄O₄·8H₂O	1	217853	182
Pyrite ()*	Pyrite	FeS₂	1	217853	39462
Quartz ()*	Quartz	SiO₂	9	217851,217852,217853,217854,217856,217857,217858,217859,217860	61156
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	5	217853,217856,217858,217859,217860	2705
Scorodite ()*	None	Fe³⁺(AsO₄)·2H₂O	1	217853	1153
Sillimanite ()*	Not in a structural group	Al₂SiO₅	1	217851	1516
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	1	217853	1214
Spodumene ()*	Pyroxene	LiAlSi₂O₆	2	217853,217856	688
Tantalite-(Mn) ()*	Columbite	Mn²⁺Ta₂O₆	1	217856	211
Uraninite ()*	Fluorite	UO₂	1	217853	2718
Zircon ()*	Zircon	Zr(SiO₄)	1	217853	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...