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:
Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA

Oldest recorded age at locality: 649
Youngest recorded age at locality: 173

mindat Locality ID: 22967
mindat URL: http://www.mindat.org/loc-22967.html

Tectonic Settings:

Total number of sublocalities beneath "Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 42°49'23"N
Longitude: 71°36'53"W
Decimal Degree (lat, lon): 42.823055555556,-71.614722222222
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 C Ca Ce F Fe H K Na O P S Si Ti Zn Zr 

Elements from minerals reported directly at this locality: Al C Ca Ce F Fe H K Na O P S Si Ti Zn Zr 

Structural Groups for minerals in this locality: 
AllaniteApatiteCalciteClayClinozoisiteCorundumEpidoteFeldsparFluoriteMica
NoneNot in a structural groupPrehnitePyriteQuartzRhodoniteRutileSphaleriteSpinelTitanite
Zircon

19 IMA Minerals at location:
Albite  (*)Allanite-(Ce)  (*)Anatase  (*)Babingtonite  (*)Calcite  (*)
Epidote  (*)Fluorapatite  (*)Fluorite  (*)Hematite  (*)Laumontite  (*)
Magnetite  (*)Muscovite  (*)Prehnite  (*)Pyrite  (*)Quartz  (*)
Rutile  (*)Sphalerite  (*)Titanite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)64917308803
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)6491730706
Anatase  (*)Not in a structural groupTiO264917302162
Babingtonite  (*)RhodoniteCa2Fe2+Fe3+Si5O14(OH)6491730161
Calcite  (*)CalciteCa(CO3)649173027770
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)64917308173
Fluorapatite  (*)ApatiteCa5(PO4)3F64917302740
Fluorite  (*)FluoriteCaF264917309617
Hematite  (*)CorundumFe2O3649173014640
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O64917301271
Magnetite  (*)SpinelFe2+Fe3+2O4649173014899
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2649173017380
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)264917301898
Pyrite  (*)PyriteFeS2649173039462
Quartz  (*)QuartzSiO2649173061156
Rutile  (*)RutileTiO264917305614
Sphalerite  (*)SphaleriteZnS649173021482
Titanite  (*)TitaniteCaTi(SiO4)O64917304899
Zircon  (*)ZirconZr(SiO4)64937805251


18 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
USGS-U-Th-Pb-00410_206_238406398402±4206_238 zircon   Zircon  22967Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00410_207_206649625637±12207_206 zircon   Zircon  22967Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00410_207_235443435439±4207_235 zircon   Zircon  22967Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00411_206_238409401405±4206_238 zircon   Zircon  22967Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00411_207_206594574584±10207_206 zircon   Zircon  22967Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00411_207_235436428432±4207_235 zircon   Zircon  22967Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00412_206_238386378382±4206_238 zircon   Zircon  22967Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00412_207_206595575585±10207_206 zircon   Zircon  22967Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00412_207_235415407411±4207_235 zircon   Zircon  22967Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00413_206_238404396400±4206_238 zircon   Zircon  22967Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00413_207_206536516526±10207_206 zircon   Zircon  22967Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00413_207_235423415419±4207_235 zircon   Zircon  22967Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00414_206_238391383387±4206_238 zircon   Zircon  22967Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00414_207_206542522532±10207_206 zircon   Zircon  22967Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00414_207_235412404408±4207_235 zircon   Zircon  22967Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00415_206_238177173175±2206_238age of metamorphic crystallizationmonazite     22967Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00415_207_206293285289±4207_206age of metamorphic crystallizationmonazite     22967Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00415_207_235184180182±2207_235age of metamorphic crystallizationmonazite     22967Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA USGS-U-Th-Pb USGS-U-Th-Pb 

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