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:
Penobscot Co., Maine, USA

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

mindat Locality ID: 22862
mindat URL: http://www.mindat.org/loc-22862.html

Tectonic Settings:

Total number of sublocalities beneath "Penobscot Co., Maine, USA": 118
Total number of bottom-level sublocalities: 105

Number of Child Localities: 94
Child Localities:
Alton
Bangor
Bradford
Bradley
Brewer
Burlington
Carmel
Carroll
Charleston
Chester
Clifton
Corinna
Corinth
Dexter
Dixmont
Drew
East Millinocket
Eddington
Edinburg
Enfield
Etna
Exeter
Garland
Glenburn
Grand Falls
Greenbush
Greenfield
Grindstone
Hampden
Hermon
Herseytown
Holden
Hopkins Academy Grant
Howland
Hudson
Indian Island
Kenduskeag
Lagrange
Lakeville
Lee
Levant
Lincoln
Long A
Lowell
Mattamiscontis
Mattawamkeag
Maxfield
Medway
Milford
Millinocket
Mount Chase
Newburgh
Newport
Old Town
Orono
Orrington
Passadumkeag
Patten
Plymouth
Prentiss
Pukakon
Seboeis
Springfield
Stacyville
Stetson
Summit
T1 R6 WELS
T1 R8 WELS
T2 R3 NWP
T2 R8 WELS
T2 R9 NWP
T3 Indian Purchase
T3 R7 WELS
T3 R8 WELS
T3 R9 NWP
T4 Indian Purchase
T4 R7 WELS
T4 R8 WELS
T5 R7 WELS
T5 R8 WELS
T6 R6 WELS
T6 R7 WELS
T6 R8 WELS
T7 R6 WELS
T7 R7 WELS
T7 R8 WELS
T8 R6 WELS
T8 R7 WELS
T8 R8 WELS
TA R7 WELS
Veazie
Webster
Winn
Woodville

Latitude: 45°22'19"N
Longitude: 68°41'26"W
Decimal Degree (lat, lon): 45.371944444444,-68.690555555556

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe 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.

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 C Ca Cu Fe H K Mo Na O Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ArsenopyriteCalciteChalcopyriteClayDiasporeFeldsparLinariteMicaMolybdeniteNone
PyriteQuartzRocksaltSphaleriteSpinelStibnite

15 IMA Minerals at location:
Albite  (*)Arsenopyrite  (*)Calcite  (*)Chalcopyrite  (*)Galena  (*)
Goethite  (*)Linarite  (*)Magnetite  (*)Microcline  (*)Molybdenite  (*)
Muscovite  (*)Pyrite  (*)Quartz  (*)Sphalerite  (*)Stibnite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)12176418803
Arsenopyrite  (*)ArsenopyriteFeAsS3217621,217622,2176279052
Calcite  (*)CalciteCa(CO3)121767827770
Chalcopyrite  (*)ChalcopyriteCuFeS23217601,217602,21762227198
Galena  (*)RocksaltPbS6217602,217622,217627,217628,217629,21763124243
Goethite  (*)DiasporeFeO(OH)12176027437
Linarite  (*)LinariteCuPb(SO4)(OH)21217613987
Magnetite  (*)SpinelFe2+Fe3+2O4121764114899
Microcline  (*)FeldsparK(AlSi3O8)12176414924
Molybdenite  (*)MolybdeniteMoS212176725800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2121764117380
Pyrite  (*)PyriteFeS245045010217590,217591,217602,217622,217625,217627,217629,217631,217644,21768739462
Quartz  (*)QuartzSiO245045012217590,217591,217602,217622,217625,217627,217629,217631,217641,217644,217672,21768761156
Sphalerite  (*)SphaleriteZnS2217602,21762721482
Stibnite  (*)StibniteSb2S32217590,2176443418



1 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
vms-01060450450Ordovician       S7554Mount Chase Locality, T6 R6 WELS, Penobscot Co., Maine, USAMount ChaseMoiser et al. (2009) USGSOFR2009_1034 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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