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:
Grants Mills, Cumberland, Providence Co., Rhode Island, USA

Oldest recorded age at locality: 238
Youngest recorded age at locality: 222

mindat Locality ID: 6716
mindat URL: http://www.mindat.org/loc-6716.html

Tectonic Settings:

Total number of sublocalities beneath "Grants Mills, Cumberland, Providence Co., Rhode Island, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 42°0'26"N
Longitude: 71°25'22"W
Decimal Degree (lat, lon): 42.007222222222,-71.422777777778

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.

Allophane	Amorphous	Amphibole	Apatite	Astrophyllite	Brookite	Calcite	Cancrinite-sodalite	Chalcopyrite	Chlorite
Clay	Copper	Corundum	Diaspore	Fluorite	Nickeline	None	Not in a structural group	Parisite	Pyrite
Pyroxene	Quartz	Rocksalt	Rutile	Sodalite	Sphalerite	Wurtzite	Zircon

Aegirine ()*	Anatase ()*	Ankerite ()*	Astrophyllite ()*	Azurite ()*
Brookite ()*	Calcite ()*	Chalcopyrite ()*	Chrysocolla ()*	Clinochlore ()*
Copper ()*	Danalite ()*	Fluorapatite ()*	Fluorite ()*	Galena ()*
Genthelvite ()*	Goethite ()*	Greenockite ()*	Hematite ()*	Opal ()*
Parisite-(Ce) ()*	Pyrite ()*	Pyrolusite ()*	Pyrrhotite ()*	Quartz ()*
Riebeckite ()*	Siderite ()*	Smithsonite ()*	Sphalerite ()*	Tremolite ()*
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 Be C Ca Cd Ce Cu F Fe H K Mg Mn Na O P Pb S Si Ti Zn Zr

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

Structural Groups for minerals in this locality:
Allophane Amorphous Amphibole Apatite Astrophyllite Brookite Calcite Cancrinite-sodalite Chalcopyrite Chlorite
Clay Copper Corundum Diaspore Fluorite Nickeline None Not in a structural group Parisite Pyrite
Pyroxene Quartz Rocksalt Rutile Sodalite Sphalerite Wurtzite Zircon

31 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	238	222	1022
Anatase ()*	Not in a structural group	TiO₂	238	222	2162
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	238	222	3092
Astrophyllite ()*	Astrophyllite	K₂NaFe²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄F	238	222	161
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	238	222	5509
Brookite ()*	Brookite	TiO₂	238	222	700
Calcite ()*	Calcite	Ca(CO₃)	238	222	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	238	222	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	238	222	3531
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	238	222	1756
Copper ()*	Copper	Cu	238	222	3846
Danalite ()*	Cancrinite-sodalite Sodalite	Be₃Fe²⁺₄(SiO₄)₃S	238	222	58
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	238	222	2740
Fluorite ()*	Fluorite	CaF₂	238	222	9617
Galena ()*	Rocksalt	PbS	238	222	24243
Genthelvite ()*	Cancrinite-sodalite Sodalite	Be₃Zn₄(SiO₄)₃S	238	222	60
Goethite ()*	Diaspore	FeO(OH)	238	222	7437
Greenockite ()*	Wurtzite	CdS	238	222	717
Hematite ()*	Corundum	Fe₂O₃	238	222	14640
Opal ()*	Amorphous	SiO₂·nH₂O	238	222	2994
Parisite-(Ce) ()*	Parisite	CaCe₂(CO₃)₃F₂	238	222	112
Pyrite ()*	Pyrite	FeS₂	238	222	39462
Pyrolusite ()*	Rutile	MnO₂	238	222	3106
Pyrrhotite ()*	Nickeline	Fe₇S₈	238	222	9056
Quartz ()*	Quartz	SiO₂	238	222	61156
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	238	222	375
Siderite ()*	Calcite	Fe(CO₃)	238	222	6417
Smithsonite ()*	Calcite	Zn(CO₃)	238	222	2473
Sphalerite ()*	Sphalerite	ZnS	238	222	21482
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	238	222	2562
Zircon ()*	Zircon	Zr(SiO₄)	238	222	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
	Alexandra-0414	238	222	230 ± 8	K-Ar	Age of granite		biotite							6716	Grants Mills, Cumberland, Providence Co., Rhode Island, USA	Esmond Granite	Zartman et al. (1970)	10.1130/0016-7606(1970)81[3359:APDOKR]2.0.CO;2	GSAB81_3359

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...