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:
Bloomfield, Hartford Co., Connecticut, USA

mindat Locality ID: 209735
mindat URL: http://www.mindat.org/loc-209735.html

Tectonic Settings:

Total number of sublocalities beneath "Bloomfield, Hartford Co., Connecticut, USA": 5
Total number of bottom-level sublocalities: 4

Number of Child Localities: 3
Child Localities:
Penwood State Park
Route 187 Road Cut
Tariffville Gorge

Latitude: 41°53'56"N
Longitude: 72°45'17"W
Decimal Degree (lat, lon): 41.898888888889,-72.754722222222

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.

Analcime	Calcite	Clay	Ettringite	Fluorite	Gadolinite	None	Not in a structural group	Pectolite	Prehnite
Quartz	Stilpnomelane	Talc

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 Na O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Analcime Calcite Clay Ettringite Fluorite Gadolinite None Not in a structural group Pectolite Prehnite
Quartz Stilpnomelane Talc

11 IMA Minerals at location:

Analcime ()*	Anhydrite ()*	Calcite ()*	Datolite ()*	Fluorite ()*
Pectolite ()*	Prehnite ()*	Quartz ()*	Stilpnomelane ()*	Talc ()*
Thaumasite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1	198814	1627
Anhydrite ()*	Not in a structural group	Ca(SO₄)	2	198815,198816	1588
Calcite ()*	Calcite	Ca(CO₃)	3	198813,198814,198815	27770
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	2	198814,198815	498
Fluorite ()*	Fluorite	CaF₂	1	198815	9617
Pectolite ()*	Pectolite	NaCa₂Si₃O₈(OH)	2	198815,198816	363
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	2	198812,198814	1898
Quartz ()*	Quartz	SiO₂	2	198814,198815	61156
Stilpnomelane ()*	Stilpnomelane Clay	(K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O	1	198815	456
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	198814	3337
Thaumasite ()*	Ettringite	Ca₃Si(OH)₆(CO₃)(SO₄)·12H₂O	1	198816	183

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...