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:
Deer Isle Mine, Deer Isle, Hancock Co., Maine, USA

Oldest recorded age at locality: 800
Youngest recorded age at locality: 570

mindat Locality ID: 7595
mindat URL: http://www.mindat.org/loc-7595.html

Tectonic Settings: Backarc Environment

Total number of sublocalities beneath "Deer Isle Mine, Deer Isle, Hancock Co., Maine, 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

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.

Amphibole	Baryte	Calcite	Chalcopyrite	Clay	Copper	Fluorite	None	Pyrite	Quartz
Rhodonite	Rocksalt	Sphalerite	Spinel	Stilpnomelane

Actinolite ()*	Baryte ()*	Calcite ()*	Chalcopyrite ()*	Chromite ()*
Fluorite ()*	Galena ()*	Magnetite ()*	Pyrite ()*	Quartz ()*
Rhodochrosite ()*	Rhodonite ()*	Silver ()*	Sphalerite ()*	Stilpnomelane ()*

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: Ag Al Ba C Ca Cr Cu F Fe H K Mg Mn Na O Pb S Si Zn

Elements from minerals reported directly at this locality: Ag Al Ba C Ca Cr Cu F Fe H K Mg Mn Na O Pb S Si Zn

Structural Groups for minerals in this locality:
Amphibole Baryte Calcite Chalcopyrite Clay Copper Fluorite None Pyrite Quartz
Rhodonite Rocksalt Sphalerite Spinel Stilpnomelane

15 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	800	570	3419
Baryte ()*	Baryte	Ba(SO₄)	800	570	11547
Calcite ()*	Calcite	Ca(CO₃)	800	570	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	800	570	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	800	570	3902
Fluorite ()*	Fluorite	CaF₂	800	570	9617
Galena ()*	Rocksalt	PbS	800	570	24243
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	800	570	14899
Pyrite ()*	Pyrite	FeS₂	800	570	39462
Quartz ()*	Quartz	SiO₂	800	570	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	800	570	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	800	570	969
Silver ()*	Copper	Ag	800	570	5186
Sphalerite ()*	Sphalerite	ZnS	800	570	21482
Stilpnomelane ()*	Stilpnomelane Clay	(K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O	800	570	456

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
	vms-01056	800	570	Precambrian Z (570-800 Ma)										S	7595	Deer Isle Mine, Deer Isle, Hancock Co., Maine, USA	Deer Isle	Moiser et al. (2009)		USGSOFR2009_1034

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...