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:
Litchfield, Kennebec Co., Maine, USA

Oldest recorded age at locality: 238
Youngest recorded age at locality: 238

mindat Locality ID: 31680
mindat URL: http://www.mindat.org/loc-31680.html

Tectonic Settings:

Total number of sublocalities beneath "Litchfield, Kennebec Co., Maine, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Dennis Hill Albitite
Dennis Hill Locality (Litchfield Sodalite Locality)

Latitude: 44°12'7"N
Longitude: 69°55'16"W
Decimal Degree (lat, lon): 44.201944444444,-69.921111111111

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	Amphibole	Apatite	Arsenopyrite	Astrophyllite	Cancrinite	Cancrinite-sodalite	Clay	Clinozoisite	Corundum
Diaspore	Epidote	Feldspar	Fluorite	Mica	Natrolite	None	Olivine	Pyrite	Pyroxene
Sodalite	Spinel	Titanite	Tourmaline	Tridymite	Zircon

Aegirine ()*	Aegirine-augite ()*	Albite ()*	Allanite-(Ce) ()*	Annite ()*
Arsenopyrite ()*	Astrophyllite ()*	Augite ()*	Cancrinite ()*	Chrysoberyl ()*
Clinozoisite ()*	Corundum ()*	Diaspore ()*	Fluorapatite ()*	Fluorite ()*
Gibbsite ()*	Graphite ()*	Magnetite ()*	Microcline ()*	Muscovite ()*
Natrolite ()*	Nepheline ()*	Pyrite ()*	Riebeckite ()*	Schorl ()*
Sodalite ()*	Titanite ()*	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 As B Be C Ca Ce Cl F Fe H K Mg Na O P S Si Ti Zr

Elements from minerals reported directly at this locality: C

Structural Groups for minerals in this locality:
Allanite Amphibole Apatite Arsenopyrite Astrophyllite Cancrinite Cancrinite-sodalite Clay Clinozoisite Corundum
Diaspore Epidote Feldspar Fluorite Mica Natrolite None Olivine Pyrite Pyroxene
Sodalite Spinel Titanite Tourmaline Tridymite Zircon

28 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	238	238	1	217100	1022
Aegirine-augite ()*	Pyroxene	(Ca,Na)(Fe³⁺,Mg,Fe²⁺)Si₂O₆	238	238	1	217100	286
Albite ()*	Feldspar	Na(AlSi₃O₈)	238	238	2	217099,217100	8803
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	238	238	1	217099	706
Annite ()*	Mica Clay	KFe²⁺₃(AlSi₃O₁₀)(OH)₂	238	238	1	217100	356
Arsenopyrite ()*	Arsenopyrite	FeAsS	238	238	1	217099	9052
Astrophyllite ()*	Astrophyllite	K₂NaFe²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄F	238	238	1	217100	161
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	238	238	1	217100	2060
Cancrinite ()*	Cancrinite	(Na,Ca, )₈(Al₆Si₆)O₂₄(CO₃,SO₄)₂·2H₂O	238	238	1	217100	232
Chrysoberyl ()*	Olivine	BeAl₂O₄	238	238	1	217099	321
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	238	238	1	217099	1025
Corundum ()*	Corundum	Al₂O₃	238	238	2	217099,217100	1797
Diaspore ()*	Diaspore	AlO(OH)	238	238	1	217100	481
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	238	238	2	217099,217100	2740
Fluorite ()*	Fluorite	CaF₂	238	238	1	217099	9617
Gibbsite ()*	None	Al(OH)₃	238	238	1	217100	504
Graphite ()*	None	C	238	238	0		2812
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	238	238	1	217100	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	238	238	1	217099	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	238	238	1	217099	17380
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	238	238	1	217100	1236
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	238	238	1	217100	884
Pyrite ()*	Pyrite	FeS₂	238	238	1	217099	39462
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	238	238	1	217100	375
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	238	238	1	217099	2705
Sodalite ()*	Cancrinite-sodalite Sodalite	Na₄(Si₃Al₃)O₁₂Cl	238	238	1	217100	444
Titanite ()*	Titanite	CaTi(SiO₄)O	238	238	1	217099	4899
Zircon ()*	Zircon	Zr(SiO₄)	238	238	2	217099,217100	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
	AREPS5_257-00003	238	238	238											31680	Litchfield, Kennebec Co., Maine, USA	Litchfield	Zartman (1977)	10.1146/annurev.ea.05.050177.001353	AREPS5_257

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...