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:
Emmons Quarry (Uncle Tom Mountain Quarry), Uncle Tom Mountain, Greenwood, Oxford Co., Maine, USA

Oldest recorded age at locality: 264
Youngest recorded age at locality: 260

mindat Locality ID: 3787
mindat URL: http://www.mindat.org/loc-3787.html

Tectonic Settings:

Total number of sublocalities beneath "Emmons Quarry (Uncle Tom Mountain Quarry), Uncle Tom Mountain, Greenwood, Oxford Co., Maine, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 44°19'23"N
Longitude: 70°41'40"W
Decimal Degree (lat, lon): 44.323055555556,-70.694444444444

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.

Alunite	Amorphous	Analcime	Apatite	Arrojadite	Arseniosiderite	Arsenopyrite	Arthurite	Autunite	Beraunite
Beryl	Beryllonite	Calcite	Childrenite	Chlorite	Clay	Columbite	Fairfieldite	Feldspar	Fluorite
Gadolinite	Garnet	Hureaulite	Jahnsite	Löllingite	Laueite	Leucophosphite	Meta-autunite	Mica	Milarite
None	Not in a structural group	Olivine	Perhamite	Phosphosiderite	Phosphuranylite	Pyroxene	Quartz	Reddingite	Rockbridgeite
Rutile	Smectite-vermiculite	Spinel	Stewartite	Strunzite	Tourmaline	Vivianite	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 Ba Be C Ca Cs F Fe H K Li Mg Mn Na Nb O P S Si Sn Sr Ta U Zn Zr

Elements from minerals reported directly at this locality: Al As B Ba Be C Ca Cs F Fe H K Li Mg Mn Na Nb O P S Si Sn Sr Ta U Zn Zr

Structural Groups for minerals in this locality:
Alunite Amorphous Analcime Apatite Arrojadite Arseniosiderite Arsenopyrite Arthurite Autunite Beraunite
Beryl Beryllonite Calcite Childrenite Chlorite Clay Columbite Fairfieldite Feldspar Fluorite
Gadolinite Garnet Hureaulite Jahnsite Löllingite Laueite Leucophosphite Meta-autunite Mica Milarite
None Not in a structural group Olivine Perhamite Phosphosiderite Phosphuranylite Pyroxene Quartz Reddingite Rockbridgeite
Rutile Smectite-vermiculite Spinel Stewartite Strunzite Tourmaline Vivianite Zircon

70 IMA Minerals at location:

Albite ()*	Almandine ()*	Arsenopyrite ()*	Autunite ()*	Beraunite ()*
Bermanite ()*	Bertrandite ()*	Beryl ()*	Beryllonite ()*	Cassiterite ()*
Columbite-(Fe) ()*	Columbite-(Mn) ()*	Cookeite ()*	Crandallite ()*	Diadochite ()*
Dickinsonite-(KMnNa) ()*	Earlshannonite ()*	Elbaite ()*	Eosphorite ()*	Fairfieldite ()*
Fluorapatite ()*	Frondelite ()*	Gahnite ()*	Goyazite ()*	Hureaulite ()*
Hydroxylapatite ()*	Hydroxylherderite ()*	Jahnsite-(MnMnMn) ()*	Kastningite ()*	Landesite ()*
Laueite ()*	Leucophosphite ()*	Lithiophilite ()*	Löllingite ()*	Ludlamite ()*
Meta-autunite ()*	Metaswitzerite ()*	Microcline ()*	Milarite ()*	Mitridatite ()*
Montebrasite ()*	Montmorillonite ()*	Moraesite ()*	Muscovite ()*	Nontronite ()*
Perhamite ()*	Phosphoferrite ()*	Phosphosiderite ()*	Phosphuranylite ()*	Pollucite ()*
Purpurite ()*	Quartz ()*	Reddingite ()*	Rhodochrosite ()*	Robertsite ()*
Rockbridgeite ()*	Schorl ()*	Scorodite ()*	Siderite ()*	Spodumene ()*
Stewartite ()*	Strengite ()*	Strunzite ()*	Tantalite-(Mn) ()*	Tantalowodginite ()*
Todorokite ()*	Uraninite ()*	Vivianite ()*	Wodginite ()*	Zircon ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	264	260	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	264	260	2353
Arsenopyrite ()*	Arsenopyrite	FeAsS	264	260	9052
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O	264	260	1272
Beraunite ()*	Beraunite	Fe³⁺₆(PO₄)₄O(OH)₄·6H₂O	264	260	136
Bermanite ()*	Arthurite	Mn²⁺Mn³⁺₂(PO₄)₂(OH)₂·4H₂O	264	260	55
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂	264	260	606
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	264	260	4286
Beryllonite ()*	Beryllonite	NaBe(PO₄)	264	260	47
Cassiterite ()*	Rutile	SnO₂	264	260	5171
Columbite-(Fe) ()*	Columbite	Fe²⁺Nb₂O₆	264	260	518
Columbite-(Mn) ()*	Columbite	Mn²⁺Nb₂O₆	264	260	289
Cookeite ()*	Chlorite Clay	(Al,Li)₃Al₂(Si,Al)₄O₁₀(OH)₈	264	260	181
Crandallite ()*	Alunite	CaAl₃(PO₄)(PO₃OH)(OH)₆	264	260	310
Diadochite ()*	Amorphous	Fe³⁺₂(PO₄)(SO₄)(OH)·6H₂O	264	260	81
Dickinsonite-(KMnNa) ()*	Arrojadite	K(NaMn)CaNa₃AlMn₁₃(PO₄)₁₂(OH)₂	264	260	26
Earlshannonite ()*	Arthurite	Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂·4H₂O	264	260	12
Elbaite ()*	Tourmaline	Na(Al_1.5Li_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	264	260	520
Eosphorite ()*	Childrenite	Mn²⁺Al(PO₄)(OH)₂·H₂O	264	260	128
Fairfieldite ()*	Fairfieldite	Ca₂Mn²⁺(PO₄)₂·2H₂O	264	260	72
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	264	260	2740
Frondelite ()*	Rockbridgeite	(Mn²⁺_0.5Fe³⁺_0.5)₂Fe³⁺₃(PO₄)₃(OH)₅	264	260	52
Gahnite ()*	Spinel	ZnAl₂O₄	264	260	445
Goyazite ()*	Alunite	SrAl₃(PO₄)(PO₃OH)(OH)₆	264	260	173
Hureaulite ()*	Hureaulite	Mn²⁺₅(PO₃OH)₂(PO₄)₂·4H₂O	264	260	125
Hydroxylapatite ()*	Apatite	Ca₅(PO₄)₃OH	264	260	367
Hydroxylherderite ()*	Gadolinite	CaBe(PO₄)(OH)	264	260	119
Jahnsite-(MnMnMn) ()*	Jahnsite	Mn²⁺Mn²⁺Mn²⁺₂Fe³⁺₂(PO₄)₄(OH)₂·8H₂O	264	260	6
Kastningite ()*	Stewartite	Mn²⁺Al₂(PO₄)₂(OH)₂·8H₂O	264	260	8
Landesite ()*	Reddingite	Mn²⁺₉Fe³⁺₃(PO₄)₈(OH)₃·9H₂O	264	260	14
Laueite ()*	Laueite	Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂·8H₂O	264	260	70
Leucophosphite ()*	Leucophosphite	KFe³⁺₂(PO₄)₂(OH)·2H₂O	264	260	110
Lithiophilite ()*	Olivine	LiMn²⁺(PO₄)	264	260	155
Löllingite ()*	Löllingite	FeAs₂	264	260	762
Ludlamite ()*	None	Fe²⁺₃(PO₄)₂·4H₂O	264	260	66
Meta-autunite ()*	Meta-autunite	Ca(UO₂)₂(PO₄)₂·6H₂O	264	260	388
Metaswitzerite ()*	None	Mn²⁺₃(PO₄)₂·4H₂O	264	260	22
Microcline ()*	Feldspar	K(AlSi₃O₈)	264	260	4924
Milarite ()*	Milarite	KCa₂(Be₂AlSi₁₂)O₃₀·H₂O	264	260	156
Mitridatite ()*	Arseniosiderite	Ca₂Fe³⁺₃O₂(PO₄)₃·3H₂O	264	260	129
Montebrasite ()*	None	LiAl(PO₄)(OH)	264	260	200
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	264	260	1508
Moraesite ()*	None	Be₂(PO₄)(OH)·4H₂O	264	260	35
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	264	260	17380
Nontronite ()*	Clay Smectite-vermiculite	Na_0.3Fe³⁺₂(Si,Al)₄O₁₀(OH)₂·nH₂O	264	260	471
Perhamite ()*	Perhamite	Ca₃Al_7.7Si₃P₄O_23.5(OH)_14.1·8H₂O	264	260	19
Phosphoferrite ()*	Reddingite	Fe²⁺₃(PO₄)₂·3H₂O	264	260	31
Phosphosiderite ()*	Phosphosiderite	Fe³⁺(PO₄)·2H₂O	264	260	182
Phosphuranylite ()*	Phosphuranylite	KCa(H₃O)₃(UO₂)₇(PO₄)₄O₄·8H₂O	264	260	182
Pollucite ()*	Analcime	Cs(Si₂Al)O₆·nH₂O	264	260	140
Purpurite ()*	Olivine	Mn³⁺(PO₄)	264	260	80
Quartz ()*	Quartz	SiO₂	264	260	61156
Reddingite ()*	Reddingite	Mn²⁺₃(PO₄)₂·3H₂O	264	260	24
Rhodochrosite ()*	Calcite	Mn(CO₃)	264	260	1711
Robertsite ()*	Arseniosiderite	Ca₂Mn³⁺₃O₂(PO₄)₃·3H₂O	264	260	36
Rockbridgeite ()*	Rockbridgeite	(Fe²⁺_0.5Fe³⁺_0.5)₂Fe³⁺₃(PO₄)₃(OH)₅	264	260	206
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	264	260	2705
Scorodite ()*	None	Fe³⁺(AsO₄)·2H₂O	264	260	1153
Siderite ()*	Calcite	Fe(CO₃)	264	260	6417
Spodumene ()*	Pyroxene	LiAlSi₂O₆	264	260	688
Stewartite ()*	Stewartite	Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂·8H₂O	264	260	48
Strengite ()*	None	Fe³⁺(PO₄)·2H₂O	264	260	263
Strunzite ()*	Strunzite	Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂·6H₂O	264	260	98
Tantalite-(Mn) ()*	Columbite	Mn²⁺Ta₂O₆	264	260	211
Tantalowodginite ()*	Columbite	(Mn, )TaTa₂O₈	264	260	1
Todorokite ()*	None	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂·3-4H₂O	264	260	433
Uraninite ()*	Fluorite	UO₂	264	260	2718
Vivianite ()*	Vivianite	Fe²⁺₃(PO₄)₂·8H₂O	264	260	636
Wodginite ()*	Columbite	Mn²⁺Sn⁴⁺Ta₂O₈	264	260	78
Zircon ()*	Zircon	Zr(SiO₄)	264	260	5251

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	Alexandra-0187	264	260	264–260	Ar-Ar	Age of pegmatite		muscovite	11Dw304a, 11Dw305a		Yes	Muscovite			3784	Mount Mica Quarry (Mount Mica Mine), Paris, Oxford Co., Maine, USA	Mount Mica	Bradley et al. (2016)	10.3749/canmin.1600035	CM54_945

Sample	Source Locality	Reference URL
R110142	Emmons Quarry (Uncle Tom Mountain Quarry), Uncle Tom Mountain, Greenwood, Oxford Co., Maine, USA	https://rruff.info/R110142

All locality data graciously provided by mindat.org

All age data...