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:
Biermann Quarries (Bethel Quarries) And Tourmaline Ledge, Bethel, Fairfield Co., Connecticut, USA

mindat Locality ID: 6788
mindat URL: http://www.mindat.org/loc-6788.html

Tectonic Settings:

Total number of sublocalities beneath "Biermann Quarries (Bethel Quarries) And Tourmaline Ledge, Bethel, Fairfield Co., Connecticut, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 41°21'15"N
Longitude: 73°21'2"W
Decimal Degree (lat, lon): 41.354166666667,-73.350555555556

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.

Amorphous	Apatite	Aragonite	Beryl	Bismutite	Clay	Columbite	Corundum	Feldspar	Fluorite
Garnet	Meta-autunite	Mica	None	Not in a structural group	Pyrite	Quartz	Scheelite	Tourmaline	Zircon

Albite ()*	Almandine ()*	Annite ()*	Bertrandite ()*	Beryl ()*
Bismutite ()*	Cerussite ()*	Dravite ()*	Fluorapatite ()*	Hematite ()*
Meta-autunite ()*	Microcline ()*	Muscovite ()*	Opal ()*	Pyrite ()*
Pyromorphite ()*	Quartz ()*	Schorl ()*	Tantalite-(Fe) ()*	Uraninite ()*
Uranophane-α ()*	Wulfenite ()*	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 Be Bi C Ca Cl F Fe H K Mg Mo Na O P Pb S Si Ta U Zr

Elements from minerals reported directly at this locality: Al B Be Bi C Ca Cl F Fe H K Mg Mo Na O P Pb S Si Ta U Zr

Structural Groups for minerals in this locality:
Amorphous Apatite Aragonite Beryl Bismutite Clay Columbite Corundum Feldspar Fluorite
Garnet Meta-autunite Mica None Not in a structural group Pyrite Quartz Scheelite Tourmaline Zircon

23 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	2353
Annite ()*	Mica Clay	KFe²⁺₃(AlSi₃O₁₀)(OH)₂	356
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂	606
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	4286
Bismutite ()*	Bismutite	Bi₂O₂(CO₃)	716
Cerussite ()*	Aragonite	Pb(CO₃)	4979
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	648
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	2740
Hematite ()*	Corundum	Fe₂O₃	14640
Meta-autunite ()*	Meta-autunite	Ca(UO₂)₂(PO₄)₂·6H₂O	388
Microcline ()*	Feldspar	K(AlSi₃O₈)	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	17380
Opal ()*	Amorphous	SiO₂·nH₂O	2994
Pyrite ()*	Pyrite	FeS₂	39462
Pyromorphite ()*	Apatite	Pb₅(PO₄)₃Cl	1725
Quartz ()*	Quartz	SiO₂	61156
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	2705
Tantalite-(Fe) ()*	Columbite	Fe²⁺Ta₂O₆	99
Uraninite ()*	Fluorite	UO₂	2718
Uranophane-α ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O	890
Wulfenite ()*	Scheelite	PbMoO₄	1655
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...