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:
North Street Mall, Danbury, Fairfield Co., Connecticut, USA

mindat Locality ID: 213272
mindat URL: http://www.mindat.org/loc-213272.html

Tectonic Settings:

Total number of sublocalities beneath "North Street Mall, Danbury, Fairfield Co., Connecticut, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 41°24'42"N
Longitude: 73°27'20"W
Decimal Degree (lat, lon): 41.411666666667,-73.455555555556

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	Clay	Feldspar	Gadolinite	Humite	Mica	Molybdenite	None	Olivine
Pyrite	Pyroxene	Quartz	Sphalerite	Spinel	Titanite	Zircon

Actinolite ()*	Albite ()*	Augite ()*	Calcite ()*	Chondrodite ()*
Datolite ()*	Diopside ()*	Forsterite ()*	Graphite ()*	Microcline ()*
Molybdenite ()*	Orthoclase ()*	Phlogopite ()*	Pyrite ()*	Quartz ()*
Sphalerite ()*	Spinel ()*	Thorite ()*	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 B C Ca F Fe H K Mg Mo Na O S Si Th Ti Zn Zr

Elements from minerals reported directly at this locality: Al B C Ca F Fe H K Mg Mo Na O S Si Th Ti Zn Zr

Structural Groups for minerals in this locality:
Amphibole Calcite Clay Feldspar Gadolinite Humite Mica Molybdenite None Olivine
Pyrite Pyroxene Quartz Sphalerite Spinel Titanite Zircon

20 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
Albite ()*	Feldspar	Na(AlSi₃O₈)	8803
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	2060
Calcite ()*	Calcite	Ca(CO₃)	27770
Chondrodite ()*	Humite	Mg₅(SiO₄)₂F₂	285
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	498
Diopside ()*	Pyroxene	CaMgSi₂O₆	4135
Forsterite ()*	Olivine	Mg₂(SiO₄)	1188
Graphite ()*	None	C	2812
Microcline ()*	Feldspar	K(AlSi₃O₈)	4924
Molybdenite ()*	Molybdenite	MoS₂	5800
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	2349
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	2273
Pyrite ()*	Pyrite	FeS₂	39462
Quartz ()*	Quartz	SiO₂	61156
Sphalerite ()*	Sphalerite	ZnS	21482
Spinel ()*	Spinel	MgAl₂O₄	1934
Thorite ()*	Zircon	Th(SiO₄)	1006
Titanite ()*	Titanite	CaTi(SiO₄)O	4899
Zircon ()*	Zircon	Zr(SiO₄)	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...