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:
Jamestown, Newport Co., Rhode Island, USA

mindat Locality ID: 31711
mindat URL: http://www.mindat.org/loc-31711.html

Tectonic Settings:

Total number of sublocalities beneath "Jamestown, Newport Co., Rhode Island, USA": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Beavertail State Park
Jamestown Bridge Staurolite Locality
Jamestown Graphite Mine

Latitude: 41°27'11"N
Longitude: 71°23'51"W
Decimal Degree (lat, lon): 41.453055555556,-71.3975

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	Apatite	Calcite	Chlorite	Chloritoid	Clay	Corundum	Feldspar	Garnet	Mica
None	Pyrite	Quartz	Spinel	Staurolite	Titanite	Wavellite	Zircon

Albite ()*	Almandine ()*	Calcite ()*	Clinochlore ()*	Fluorapatite ()*
Graphite ()*	Hematite ()*	Ilmenite ()*	Magnetite ()*	Microcline ()*
Muscovite ()*	Ottrélite ()*	Pyrite ()*	Quartz ()*	Siderite ()*
Staurolite ()*	Titanite ()*	Tremolite ()*	Wavellite ()*	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 C Ca F Fe H K Mg Mn Na O P S Si Ti Zr

Elements from minerals reported directly at this locality: Al Fe H K Na O P Si

Structural Groups for minerals in this locality:
Amphibole Apatite Calcite Chlorite Chloritoid Clay Corundum Feldspar Garnet Mica
None Pyrite Quartz Spinel Staurolite Titanite Wavellite Zircon

20 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	0		8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	2	263409,263410	2353
Calcite ()*	Calcite	Ca(CO₃)	1	263409	27770
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	2	263410,263411	1756
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	1	263409	2740
Graphite ()*	None	C	2	263410,263411	2812
Hematite ()*	Corundum	Fe₂O₃	1	263411	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	263410	5433
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	0		14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	0		4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	0		17380
Ottrélite ()*	Chloritoid	Mn²⁺Al₂O(SiO₄)(OH)₂	1	263410	59
Pyrite ()*	Pyrite	FeS₂	1	263409	39462
Quartz ()*	Quartz	SiO₂	2	263410,263411	61156
Siderite ()*	Calcite	Fe(CO₃)	1	263409	6417
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)	1	263410	978
Titanite ()*	Titanite	CaTi(SiO₄)O	1	263409	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1	263411	2562
Wavellite ()*	Wavellite	Al₃(PO₄)₂(OH)₃·5H₂O	0		374
Zircon ()*	Zircon	Zr(SiO₄)	1	263409	5251

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...