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:
Dexter Quarry (Dexter Lime Quarry), Lime Rock, Lincoln, Providence Co., Rhode Island, USA

mindat Locality ID: 6718
mindat URL: http://www.mindat.org/loc-6718.html

Tectonic Settings:

Total number of sublocalities beneath "Dexter Quarry (Dexter Lime Quarry), Lime Rock, Lincoln, Providence Co., Rhode Island, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 41°55'8"N
Longitude: 71°25'59"W
Decimal Degree (lat, lon): 41.918888888889,-71.433055555556

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	Calcite	Chlorite	Clay	Clinozoisite	Diaspore	Epidote	Feldspar	Kaolinite	Malachite
Mica	Natrolite	None	Not in a structural group	Pyrite	Quartz	Rhodonite	Rocksalt	Rutile	Serpentine
Sphalerite	Spinel	Talc	Titanite	Tourmaline

Actinolite ()*	Anatase ()*	Ankerite ()*	Antigorite ()*	Azurite ()*
Calcite ()*	Clinochlore ()*	Dolomite ()*	Dravite ()*	Epidote ()*
Galena ()*	Goethite ()*	Graphite ()*	Kaolinite ()*	Magnesio-hornblende ()*
Magnetite ()*	Malachite ()*	Muscovite ()*	Orthoclase ()*	Pyrite ()*
Quartz ()*	Rhodochrosite ()*	Rhodonite ()*	Rutile ()*	Scolecite ()*
Siderite ()*	Sphalerite ()*	Talc ()*	Titanite ()*	Tremolite ()*

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 B C Ca Cu Fe H K Mg Mn Na O Pb S Si Ti Zn

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

Structural Groups for minerals in this locality:
Amphibole Calcite Chlorite Clay Clinozoisite Diaspore Epidote Feldspar Kaolinite Malachite
Mica Natrolite None Not in a structural group Pyrite Quartz Rhodonite Rocksalt Rutile Serpentine
Sphalerite Spinel Talc Titanite Tourmaline

30 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	3419
Anatase ()*	Not in a structural group	TiO₂	2162
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	3092
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	708
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	5509
Calcite ()*	Calcite	Ca(CO₃)	27770
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	1756
Dolomite ()*	None	CaMg(CO₃)₂	9895
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	648
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	8173
Galena ()*	Rocksalt	PbS	24243
Goethite ()*	Diaspore	FeO(OH)	7437
Graphite ()*	None	C	2812
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	5591
Magnesio-hornblende ()*	Amphibole	Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂	238
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	12537
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	17380
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	2349
Pyrite ()*	Pyrite	FeS₂	39462
Quartz ()*	Quartz	SiO₂	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	969
Rutile ()*	Rutile	TiO₂	5614
Scolecite ()*	Natrolite	Ca(Si₃Al₂)O₁₀·3H₂O	390
Siderite ()*	Calcite	Fe(CO₃)	6417
Sphalerite ()*	Sphalerite	ZnS	21482
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	3337
Titanite ()*	Titanite	CaTi(SiO₄)O	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	2562

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...