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:
Landaff, Grafton Co., New Hampshire, USA


mindat Locality ID: 9431
mindat URL: http://www.mindat.org/loc-9431.html

Tectonic Settings:

Total number of sublocalities beneath "Landaff, Grafton Co., New Hampshire, USA": 5
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Allen Gold Mine
Chandler Iron Mine
Cobble Hill Summit Locality
Molybdenum Minerals Locality
Unnamed Gold Mine (Landaff Gold Mine; Old Gold Mine)

Latitude: 44°7'51"N
Longitude: 71°51'46"W
Decimal Degree (lat, lon): 44.130833333333,-71.862777777778
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 Au Ca Fe H K Mo O Pb S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ClayClinozoisiteCopperEpidoteMicaMolybdeniteNickelineNonePyriteQuartz
Rocksalt

10 IMA Minerals at location:
Epidote  (*)Ferrimolybdite  (*)Galena  (*)Gold  (*)Molybdenite  (*)
Molybdite  (*)Muscovite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)12423208173
Ferrimolybdite  (*)NoneFe3+2(Mo6+O4)3·7H2O1242321345
Galena  (*)RocksaltPbS124231924243
Gold  (*)CopperAu2242318,24232230554
Molybdenite  (*)MolybdeniteMoS212423215800
Molybdite  (*)NoneMoO31242321140
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)25242318,242319,242320,242321,24232217380
Pyrite  (*)PyriteFeS24242318,242319,242321,24232239462
Pyrrhotite  (*)NickelineFe7S812423199056
Quartz  (*)QuartzSiO25242318,242319,242320,242321,24232261156


No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...

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