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:
Lord Hill Quarry (Lord Hill Mine), Stoneham, Oxford Co., Maine, USA

Oldest recorded age at locality: 234.8
Youngest recorded age at locality: 228.8

mindat Locality ID: 3782
mindat URL: http://www.mindat.org/loc-3782.html

Tectonic Settings:

Total number of sublocalities beneath "Lord Hill Quarry (Lord Hill Mine), Stoneham, Oxford Co., Maine, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 44°13'26"N
Longitude: 70°57'11"W
Decimal Degree (lat, lon): 44.223888888889,-70.953055555556

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	Apatite	Arsenic	Arseniosiderite	Arthurite	Autunite	Beraunite	Beryl	Beryllonite
Bismutite	Calcite	Childrenite	Clay	Columbite	Coronadite	Diaspore	Feldspar	Fluorite	Gadolinite
Garnet	Hureaulite	Meta-autunite	Mica	Nickeline	None	Not in a structural group	Phenakite	Phosphosiderite	Pyrite
Quartz	Rutile	Smectite-vermiculite	Sphalerite	Spinel	Stibnite	Strunzite	Topaz	Tourmaline	Triplite
Vivianite	Zircon

Albite ()*	Almandine ()*	Autunite ()*	Beraunite ()*	Bermanite ()*
Bertrandite ()*	Beryl ()*	Beryllonite ()*	Bismuth ()*	Bismuthinite ()*
Bismutite ()*	Cassiterite ()*	Columbite-(Fe) ()*	Cryptomelane ()*	Elbaite ()*
Eosphorite ()*	Fluorapatite ()*	Fluorite ()*	Gahnite ()*	Goethite ()*
Goyazite ()*	Hureaulite ()*	Hydroxylapatite ()*	Hydroxylherderite ()*	Meta-autunite ()*
Metatorbernite ()*	Microcline ()*	Mitridatite ()*	Montmorillonite ()*	Muscovite ()*
Opal ()*	Phenakite ()*	Phosphosiderite ()*	Pyrite ()*	Pyrrhotite ()*
Quartz ()*	Rhodochrosite ()*	Schorl ()*	Siderite ()*	Sphalerite ()*
Strunzite ()*	Todorokite ()*	Topaz ()*	Torbernite ()*	Triplite ()*
Uraninite ()*	Uranophane-α ()*	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 B Ba Be Bi C Ca Cu F Fe H K Li Mg Mn Na Nb O P S Si Sn Sr U Zn Zr

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

Structural Groups for minerals in this locality:
Alunite Amorphous Apatite Arsenic Arseniosiderite Arthurite Autunite Beraunite Beryl Beryllonite
Bismutite Calcite Childrenite Clay Columbite Coronadite Diaspore Feldspar Fluorite Gadolinite
Garnet Hureaulite Meta-autunite Mica Nickeline None Not in a structural group Phenakite Phosphosiderite Pyrite
Quartz Rutile Smectite-vermiculite Sphalerite Spinel Stibnite Strunzite Topaz Tourmaline Triplite
Vivianite Zircon

49 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	234.8	228.8	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	234.8	228.8	2353
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O	234.8	228.8	1272
Beraunite ()*	Beraunite	Fe³⁺₆(PO₄)₄O(OH)₄·6H₂O	234.8	228.8	136
Bermanite ()*	Arthurite	Mn²⁺Mn³⁺₂(PO₄)₂(OH)₂·4H₂O	234.8	228.8	55
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂	234.8	228.8	606
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	234.8	228.8	4286
Beryllonite ()*	Beryllonite	NaBe(PO₄)	234.8	228.8	47
Bismuth ()*	Arsenic	Bi	234.8	228.8	1966
Bismuthinite ()*	Stibnite	Bi₂S₃	234.8	228.8	1935
Bismutite ()*	Bismutite	Bi₂O₂(CO₃)	234.8	228.8	716
Cassiterite ()*	Rutile	SnO₂	234.8	228.8	5171
Columbite-(Fe) ()*	Columbite	Fe²⁺Nb₂O₆	234.8	228.8	518
Cryptomelane ()*	Coronadite	K(Mn⁴⁺₇Mn³⁺)O₁₆	234.8	228.8	599
Elbaite ()*	Tourmaline	Na(Al_1.5Li_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	234.8	228.8	520
Eosphorite ()*	Childrenite	Mn²⁺Al(PO₄)(OH)₂·H₂O	234.8	228.8	128
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	234.8	228.8	2740
Fluorite ()*	Fluorite	CaF₂	234.8	228.8	9617
Gahnite ()*	Spinel	ZnAl₂O₄	234.8	228.8	445
Goethite ()*	Diaspore	FeO(OH)	234.8	228.8	7437
Goyazite ()*	Alunite	SrAl₃(PO₄)(PO₃OH)(OH)₆	234.8	228.8	173
Hureaulite ()*	Hureaulite	Mn²⁺₅(PO₃OH)₂(PO₄)₂·4H₂O	234.8	228.8	125
Hydroxylapatite ()*	Apatite	Ca₅(PO₄)₃OH	234.8	228.8	367
Hydroxylherderite ()*	Gadolinite	CaBe(PO₄)(OH)	234.8	228.8	119
Meta-autunite ()*	Meta-autunite	Ca(UO₂)₂(PO₄)₂·6H₂O	234.8	228.8	388
Metatorbernite ()*	None	Cu(UO₂)₂(PO₄)₂·8H₂O	234.8	228.8	443
Microcline ()*	Feldspar	K(AlSi₃O₈)	234.8	228.8	4924
Mitridatite ()*	Arseniosiderite	Ca₂Fe³⁺₃O₂(PO₄)₃·3H₂O	234.8	228.8	129
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	234.8	228.8	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	234.8	228.8	17380
Opal ()*	Amorphous	SiO₂·nH₂O	234.8	228.8	2994
Phenakite ()*	Phenakite	Be₂(SiO₄)	234.8	228.8	326
Phosphosiderite ()*	Phosphosiderite	Fe³⁺(PO₄)·2H₂O	234.8	228.8	182
Pyrite ()*	Pyrite	FeS₂	234.8	228.8	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	234.8	228.8	9056
Quartz ()*	Quartz	SiO₂	234.8	228.8	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	234.8	228.8	1711
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	234.8	228.8	2705
Siderite ()*	Calcite	Fe(CO₃)	234.8	228.8	6417
Sphalerite ()*	Sphalerite	ZnS	234.8	228.8	21482
Strunzite ()*	Strunzite	Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂·6H₂O	234.8	228.8	98
Todorokite ()*	None	(Na,Ca,K,Ba,Sr)_1-x(Mn,Mg,Al)₆O₁₂·3-4H₂O	234.8	228.8	433
Topaz ()*	Topaz	Al₂SiO₄F₂	234.8	228.8	1476
Torbernite ()*	None	Cu(UO₂)₂(PO₄)₂·12H₂O	234.8	228.8	1059
Triplite ()*	Triplite	Mn²⁺₂(PO₄)F	234.8	228.8	233
Uraninite ()*	Fluorite	UO₂	234.8	228.8	2718
Uranophane-α ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O	234.8	228.8	890
Vivianite ()*	Vivianite	Fe²⁺₃(PO₄)₂·8H₂O	234.8	228.8	636
Zircon ()*	Zircon	Zr(SiO₄)	234.8	228.8	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-0195	234.8	228.8	231.8 ± 3.0	Ar-Ar	Age of pegmatite		muscovite	10ADw501b			Muscovite			3782	Lord Hill Quarry (Lord Hill Mine), Stoneham, Oxford Co., Maine, USA	Lord Hill	Bradley et al. (2016)	10.3749/canmin.1600035	CM54_945

Sample	Source Locality	Reference URL
R050348	Lord Hill Quarry (Lord Hill Mine), Stoneham, Oxford Co., Maine, USA	https://rruff.info/R050348

All locality data graciously provided by mindat.org

All age data...