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:
Franconia Iron Mine (Franconia Mine), Ore Hill, Sugar Hill, Grafton Co., New Hampshire, USA


mindat Locality ID: 3938
mindat URL: http://www.mindat.org/loc-3938.html

Tectonic Settings:

Total number of sublocalities beneath "Franconia Iron Mine (Franconia Mine), Ore Hill, Sugar Hill, Grafton Co., New Hampshire, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0
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 Mg Mo Na O S Si Ti W 

Elements from minerals reported directly at this locality: Al As C Ca Cu Fe H K Mg Mo Na O S Si Ti W 

Structural Groups for minerals in this locality: 
AmphiboleArsenopyriteCalciteChalcopyriteChloriteClayClinozoisiteCorundumEpidoteFeldspar
GarnetMalachiteMicaMolybdeniteNoneNot in a structural groupPrehnitePyriteQuartzScheelite
SpinelStaurolite

24 IMA Minerals at location:
Actinolite  (*)Albite  (*)Almandine  (*)Andradite  (*)Arsenopyrite  (*)
Azurite  (*)Calcite  (*)Chalcopyrite  (*)Clinochlore  (*)Epidote  (*)
Ferro-hornblende  (*)Ilmenite  (*)Kyanite  (*)Magnetite  (*)Malachite  (*)
Molybdenite  (*)Muscovite  (*)Prehnite  (*)Pyrite  (*)Quartz  (*)
Scheelite  (*)Staurolite  (*)Tremolite  (*)Zoisite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)203419
Albite  (*)FeldsparNa(AlSi3O8)08803
Almandine  (*)GarnetFe2+3Al2(SiO4)302353
Andradite  (*)GarnetCa3Fe3+2(SiO4)301534
Arsenopyrite  (*)ArsenopyriteFeAsS09052
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)205509
Calcite  (*)CalciteCa(CO3)027770
Chalcopyrite  (*)ChalcopyriteCuFeS2027198
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)801756
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)08173
Ferro-hornblende  (*)Amphibole   Ca2(Fe2+4Al)(Si7Al)O22(OH)20271
Ilmenite  (*)CorundumFe2+Ti4+O305433
Kyanite  (*)Not in a structural groupAl2OSiO401507
Magnetite  (*)SpinelFe2+Fe3+2O4014899
Malachite  (*)MalachiteCu2(CO3)(OH)2012537
Molybdenite  (*)MolybdeniteMoS205800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2017380
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)201898
Pyrite  (*)PyriteFeS2039462
Quartz  (*)QuartzSiO2061156
Scheelite  (*)ScheeliteCa(WO4)04894
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)0978
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)202562
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)01025


No ages have been assigned to this locality yet.
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