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:
Marshfield, Washington Co., Maine, USA

mindat Locality ID: 229386
mindat URL: http://www.mindat.org/loc-229386.html

Tectonic Settings:

Total number of sublocalities beneath "Marshfield, Washington Co., Maine, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Marshfield Granite Quarry (Machias Granite Company)

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.

Calcite	Clinozoisite	Epidote	Feldspar	Molybdenite	None	Pyrite	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 Fe H K Mo Na O S Si Ti Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Calcite Clinozoisite Epidote Feldspar Molybdenite None Pyrite Quartz Spinel Titanite
Zircon

10 IMA Minerals at location:

Albite ()*	Calcite ()*	Epidote ()*	Magnetite ()*	Microcline ()*
Molybdenite ()*	Pyrite ()*	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)	1	218158	8803
Calcite ()*	Calcite	Ca(CO₃)	1	218158	27770
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	218158	8173
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	218158	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	218158	4924
Molybdenite ()*	Molybdenite	MoS₂	1	218158	5800
Pyrite ()*	Pyrite	FeS₂	1	218158	39462
Quartz ()*	Quartz	SiO₂	1	218158	61156
Titanite ()*	Titanite	CaTi(SiO₄)O	1	218158	4899
Zircon ()*	Zircon	Zr(SiO₄)	1	218158	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...