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:
Swamp #2 Quarry, Topsham, Sagadahoc Co., Maine, USA

Oldest recorded age at locality: 274
Youngest recorded age at locality: 272

mindat Locality ID: 3793
mindat URL: http://www.mindat.org/loc-3793.html

Tectonic Settings:

Total number of sublocalities beneath "Swamp #2 Quarry, Topsham, Sagadahoc Co., Maine, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 43°57'0"N
Longitude: 69°57'8"W
Decimal Degree (lat, lon): 43.95,-69.952222222222

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.

Allanite	Clay	Columbite	Epidote	Feldspar	Fluorite	Garnet	Mica	Monazite	None
Pyrite	Quartz	Smectite-vermiculite	Spinel	Zircon

Albite ()*	Allanite-(Ce) ()*	Almandine ()*	Annite ()*	Columbite-(Fe) ()*
Ishikawaite ()*	Magnetite ()*	Microcline ()*	Monazite-(Ce) ()*	Muscovite ()*
Nontronite ()*	Pyrite ()*	Quartz ()*	Uraninite ()*	Zircon ()*

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 Ca Ce Fe H K Na Nb O P S Si U Y Zr

Elements from minerals reported directly at this locality: Al Ca Ce Fe H K Na Nb O P S Si U Y Zr

Structural Groups for minerals in this locality:
Allanite Clay Columbite Epidote Feldspar Fluorite Garnet Mica Monazite None
Pyrite Quartz Smectite-vermiculite Spinel Zircon

15 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	274	272	8803
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	274	272	706
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	274	272	2353
Annite ()*	Mica Clay	KFe²⁺₃(AlSi₃O₁₀)(OH)₂	274	272	356
Columbite-(Fe) ()*	Columbite	Fe²⁺Nb₂O₆	274	272	518
Ishikawaite ()*	Columbite	(U,Fe,Y)NbO₄	274	272	24
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	274	272	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	274	272	4924
Monazite-(Ce) ()*	Monazite	Ce(PO₄)	274	272	945
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	274	272	17380
Nontronite ()*	Clay Smectite-vermiculite	Na_0.3Fe³⁺₂(Si,Al)₄O₁₀(OH)₂·nH₂O	274	272	471
Pyrite ()*	Pyrite	FeS₂	274	272	39462
Quartz ()*	Quartz	SiO₂	274	272	61156
Uraninite ()*	Fluorite	UO₂	274	272	2718
Zircon ()*	Zircon	Zr(SiO₄)	274	272	5251

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
	Bradley_2012_091	274	272	273±1	U/Pb			monazite			Yes				5949	Standpipe Hill Quarries, Topsham, Sagadahoc Co., Maine, USA	Topsham - E Standpipe	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...