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:
Aroostook Co., Maine, USA

Oldest recorded age at locality: 450
Youngest recorded age at locality: 450

mindat Locality ID: 30722
mindat URL: http://www.mindat.org/loc-30722.html

Tectonic Settings:

Total number of sublocalities beneath "Aroostook Co., Maine, USA": 228
Total number of bottom-level sublocalities: 209

Number of Child Localities: 180
Child Localities:
Allagash
Amity
Ashland
Bancroft
Batesville
Benedicta
Big Twenty
Blackstone
Blackwater
Blaine
Bridgewater
Burleigh
Caribou
Cary
Castle Hill
Caswell
Connor
Cox Patent
Cross Lake
Crystal
Cyr
Dudley
Dyer Brook
E Plantation
Eagle Lake
Easton
Forkstown
Fort Fairfield
Fort Kent
Frenchville
Garfield
Glenwood
Grand Isle
Hamlin
Hammond
Hammond Place
Haynesville
Hersey
Hodgdon
Houlton
Limestone
Linneus
Littleton
Ludlow
Macwahoc
Madawaska
Mapleton
Mars Hill
Masardis
Merrill
Molunkus
Monticello
Moro
Nashville
New Canada
New Limerick
New Sweden
North Yarmouth Academy Grant
Oakfield
Orient
Oxbow Plantation
Perham
Portage Lake
Presque Isle
Reed
Saint Agatha
Saint Croix
Saint Francis
Saint John
Sherman
Silver Ridge
Smyrna
Squapan
Square Lake
Stockholm
T1 R5 WELS
T10 R3 WELS
T10 R6 WELS
T10 R7 WELS
T10 R8 WELS
T11 R10 WELS
T11 R11 WELS
T11 R12 WELS
T11 R13 WELS
T11 R14 WELS
T11 R15 WELS
T11 R16 WELS
T11 R17 WELS
T11 R4 WELS
T11 R7 WELS
T11 R8 WELS
T11 R9 WELS
T12 R10 WELS
T12 R11 WELS
T12 R12 WELS
T12 R13 WELS
T12 R14 WELS
T12 R15 WELS
T12 R16 WELS
T12 R17 WELS
T12 R7 WELS
T12 R8 WELS
T12 R9 WELS
T13 R10 WELS
T13 R11 WELS
T13 R12 WELS
T13 R13 WELS
T13 R14 WELS
T13 R15 WELS
T13 R16 WELS
T13 R5 WELS
T13 R7 WELS
T13 R8 WELS
T13 R9 WELS
T14 R10 WELS
T14 R11 WELS
T14 R12 WELS
T14 R13 WELS
T14 R14 WELS
T14 R15 WELS
T14 R16 WELS
T14 R5 WELS
T14 R6 WELS
T14 R7 WELS
T14 R8 WELS
T14 R9 WELS
T15 R10 WELS
T15 R11 WELS
T15 R12 WELS
T15 R13 WELS
T15 R15 WELS
T15 R5 WELS
T15 R6 WELS
T15 R8 WELS
T15 R9 WELS
T16 R12 WELS
T16 R13 WELS
T16 R14 WELS
T16 R4 WELS
T16 R6 WELS
T16 R8 WELS
T16 R9 WELS
T17 R12 WELS
T17 R13 WELS
T17 R14 WELS
T17 R3 WELS
T17 R4 WELS
T18 R10 WELS
T18 R11 WELS
T18 R12 WELS
T18 R13 WELS
T19 R11 WELS
T19 R12 WELS
T2 R4 WELS
T3 R3 WELS
T3 R4 WELS
T3 R9 WELS
T4 R3 WELS
T4 R3WELS
T7 R5 WELS
T8 R5 WELS
T9 R2 WELS
T9 R3 WELS
T9 R4 WELS
T9 R5 WELS
T9 R7 WELS
T9 R8 WELS
TA R2WELS
TD R2 WELS
Upper Molunkus
Van Buren
Wade
Wallagrass
Washburn
Webbertown
Westfield
Westmanland
Weston
Winterville
Woodland

Latitude: 46°29'37"N
Longitude: 68°3'21"W
Decimal Degree (lat, lon): 46.493611111111,-68.055833333333

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.

Allophane	Amphibole	Analcime	Apatite	Arsenopyrite	Baryte	Beryllonite	Braunite	Calcite	Chalcopyrite
Chlorite	Clay	Clinozoisite	Copper	Corundum	Covellite	Diaspore	Enargite	Epidote	Feldspar
Garnet	Gypsum	Kaolinite	Mica	Minium	Nickeline	None	Olivine	Prehnite	Pumpellyite
Pyrite	Pyroxene	Quartz	Rhodonite	Serpentine	Sphalerite	Spinel	Stibnite	Stilpnomelane	Sulphur
Talc	Titanite	Wurtzite

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 Au Ba Be C Ca Cr Cu F Fe H K Mg Mn Na O P S Sb Si Ti Zn

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

Structural Groups for minerals in this locality:
Allophane Amphibole Analcime Apatite Arsenopyrite Baryte Beryllonite Braunite Calcite Chalcopyrite
Chlorite Clay Clinozoisite Copper Corundum Covellite Diaspore Enargite Epidote Feldspar
Garnet Gypsum Kaolinite Mica Minium Nickeline None Olivine Prehnite Pumpellyite
Pyrite Pyroxene Quartz Rhodonite Serpentine Sphalerite Spinel Stibnite Stilpnomelane Sulphur
Talc Titanite Wurtzite

64 IMA Minerals at location:

Actinolite ()*	Aegirine ()*	Albite ()*	Almandine ()*	Analcime ()*
Ankerite ()*	Antigorite ()*	Arsenopyrite ()*	Augite ()*	Baryte ()*
Bementite ()*	Beryllonite ()*	Braunite ()*	Calcite ()*	Chalcocite ()*
Chalcopyrite ()*	Chamosite ()*	Chromite ()*	Chrysotile ()*	Clinochlore ()*
Clinozoisite ()*	Covellite ()*	Diopside ()*	Dolomite ()*	Enargite ()*
Epidote ()*	Fluorapatite ()*	Forsterite ()*	Ganophyllite ()*	Goethite ()*
Gold ()*	Grossular ()*	Gypsum ()*	Hausmannite ()*	Hematite ()*
Ilmenite ()*	Kaolinite ()*	Magnesite ()*	Magnetite ()*	Metastibnite ()*
Microcline ()*	Muscovite ()*	Neotocite ()*	Orthoclase ()*	Pigeonite ()*
Prehnite ()*	Pumpellyite-(Fe²⁺) ()*	Pumpellyite-(Mg) ()*	Pyrite ()*	Pyrophanite ()*
Pyrrhotite ()*	Quartz ()*	Rhodochrosite ()*	Rhodonite ()*	Sanidine ()*
Schafarzikite ()*	Spessartine ()*	Sphalerite ()*	Stibnite ()*	Stilpnomelane ()*
Sulphur ()*	Talc ()*	Titanite ()*	Valentinite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂			3	216780,216783,216784	3419
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆			2	216645,216648	1022
Albite ()*	Feldspar	Na(AlSi₃O₈)			8	216645,216646,216648,216780,216781,216783,216784,216795	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃			1	216782	2353
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O			3	216644,216645,216648	1627
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂			3	216767,216781,216784	3092
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄			3	216644,216646,216783	708
Arsenopyrite ()*	Arsenopyrite	FeAsS	450	450	1	216711	9052
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆			6	216644,216645,216646,216648,216780,216783	2060
Baryte ()*	Baryte	Ba(SO₄)			1	216595	11547
Bementite ()*	Clay	Mn₇Si₆O₁₅(OH)₈			2	216595,216767	173
Beryllonite ()*	Beryllonite	NaBe(PO₄)			1	216655	47
Braunite ()*	Braunite	Mn²⁺Mn³⁺₆O₈(SiO₄)			4	216595,216767,216781,216784	483
Calcite ()*	Calcite	Ca(CO₃)			11	216644,216645,216646,216648,216767,216780,216781,216782,216783,216784,216795	27770
Chalcocite ()*	None	Cu₂S	450	450	1	216711	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	450	450	1	216711	27198
Chamosite ()*	Chlorite Clay	(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈	450	450	11	216595,216645,216646,216648,216711,216767,216780,216781,216782,216783,216784	577
Chromite ()*	Spinel	Fe²⁺Cr₂O₄			1	216783	3902
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄			1	216644	951
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈			5	216767,216780,216781,216783,216784	1756
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)			4	216780,216781,216783,216784	1025
Covellite ()*	Covellite	CuS	450	450	1	216711	4165
Diopside ()*	Pyroxene	CaMgSi₂O₆			1	216795	4135
Dolomite ()*	None	CaMg(CO₃)₂			4	216636,216767,216781,216784	9895
Enargite ()*	Enargite Wurtzite	Cu₃AsS₄	450	450	1	216711	910
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			4	216780,216781,216783,216784	8173
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F			7	216645,216646,216648,216780,216781,216783,216784	2740
Forsterite ()*	Olivine	Mg₂(SiO₄)			1	216646	1188
Ganophyllite ()*	Clay	(K,Na)_xMn²⁺₆(Si,Al)₁₀O₂₄(OH)₄·nH₂O (x = 1-2; n = 7-11)			3	216767,216781,216784	45
Goethite ()*	Diaspore	FeO(OH)	450	450	5	216646,216711,216767,216781,216784	7437
Gold ()*	Copper	Au	450	450	1	216711	30554
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃			1	216795	1544
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O			1	216636	6890
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄			2	216781,216784	350
Hematite ()*	Corundum	Fe₂O₃			6	216595,216636,216637,216767,216781,216784	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			4	216780,216781,216783,216784	5433
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			3	216636,216782,216783	5591
Magnesite ()*	Calcite	Mg(CO₃)			4	216767,216781,216783,216784	1487
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			14	216622,216628,216631,216635,216636,216637,216645,216646,216648,216660,216780,216781,216783,216784	14899
Metastibnite ()*	Stibnite	Sb₂S₃			1	216636	87
Microcline ()*	Feldspar	K(AlSi₃O₈)			1	216782	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			6	216595,216780,216781,216782,216783,216784	17380
Neotocite ()*	Allophane	(Mn,Fe)SiO₃·H₂O (?)			3	216767,216781,216784	186
Orthoclase ()*	Feldspar	K(AlSi₃O₈)			4	216646,216767,216781,216784	2349
Pigeonite ()*	Pyroxene	(Mg,Fe,Ca)₂Si₂O₆			4	216780,216781,216783,216784	303
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂			4	216780,216781,216783,216784	1898
Pumpellyite-(Fe²⁺) ()*	Pumpellyite	Ca₂Fe²⁺Al₂(Si₂O₇)(SiO₄)(OH,O)₂·H₂O	450	450	0		30
Pumpellyite-(Mg) ()*	Pumpellyite	Ca₂MgAl₂(Si₂O₇)(SiO₄)(OH)₂·H₂O	450	450	0		106
Pyrite ()*	Pyrite	FeS₂	450	450	10	216636,216644,216645,216648,216711,216780,216781,216782,216783,216784	39462
Pyrophanite ()*	Corundum	Mn²⁺TiO₃			3	216767,216781,216784	244
Pyrrhotite ()*	Nickeline	Fe₇S₈	450	450	6	216636,216711,216780,216781,216783,216784	9056
Quartz ()*	Quartz	SiO₂	450	450	10	216595,216646,216711,216767,216780,216781,216782,216783,216784,216795	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)			3	216595,216618,216767	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)			3	216767,216781,216784	969
Sanidine ()*	Feldspar	K(AlSi₃O₈)			1	216655	598
Schafarzikite ()*	Minium	Fe²⁺(Sb³⁺)₂O₄			1	216636	9
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃			3	216767,216781,216784	1214
Sphalerite ()*	Sphalerite	ZnS	450	450	1	216711	21482
Stibnite ()*	Stibnite	Sb₂S₃			1	216636	3418
Stilpnomelane ()*	Stilpnomelane Clay	(K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O			5	216767,216780,216781,216783,216784	456
Sulphur ()*	Sulphur	S			1	216636	2045
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂			1	216767	3337
Titanite ()*	Titanite	CaTi(SiO₄)O			5	216780,216781,216782,216783,216784	4899
Valentinite ()*	None	Sb₂O₃			1	216636	369

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
	vms-01053	450	450	Ordovician										S	7558	Bald Mountain Mine, T12 R8 WELS, Aroostook Co., Maine, USA	Bald Mountain	Moiser et al. (2009)		USGSOFR2009_1034

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...