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:
Crotch Island, Stonington, Hancock Co., Maine, USA

mindat Locality ID: 219859
mindat URL: http://www.mindat.org/loc-219859.html

Tectonic Settings:

Total number of sublocalities beneath "Crotch Island, Stonington, Hancock Co., Maine, USA": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
New England Stone Industries Quarry (Goss Quarry)
Ryan And Parker Quarries
The Sherwood Quarries (Casey & Sherwood Quarries)

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Apatite	Calcite	Clay	Corundum	Feldspar	Mica	None	Not in a structural group	Quartz	Spinel
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 C Ca F Fe H K Na O P Si Ti Zr

Elements from minerals reported directly at this locality: Al Ca F Fe Na O P Si Ti Zr

Structural Groups for minerals in this locality:
Apatite Calcite Clay Corundum Feldspar Mica None Not in a structural group Quartz Spinel
Titanite Zircon

11 IMA Minerals at location:

Albite ()*	Calcite ()*	Fluorapatite ()*	Ilmenite ()*	Laumontite ()*
Magnetite ()*	Microcline ()*	Muscovite ()*	Quartz ()*	Titanite ()*
Zircon ()*

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
Calcite ()*	Calcite	Ca(CO₃)	1	217044	27770
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	0		2740
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	0		5433
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1	217044	1271
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	0		14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	217044	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	217044	17380
Quartz ()*	Quartz	SiO₂	1	217044	61156
Titanite ()*	Titanite	CaTi(SiO₄)O	0		4899
Zircon ()*	Zircon	Zr(SiO₄)	0		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...