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:
Milton, Norfolk Co., Massachusetts, USA

mindat Locality ID: 157241
mindat URL: http://www.mindat.org/loc-157241.html

Tectonic Settings:

Total number of sublocalities beneath "Milton, Norfolk Co., Massachusetts, USA": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Hancock Hill
Maguire & O'Heron Quarry
Mount Pleasant Quarry

Latitude: 42°13'5"N
Longitude: 71°5'42"W
Decimal Degree (lat, lon): 42.218055555556,-71.095

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	Clinozoisite	Coronadite	Epidote	Feldspar	Fluorite	Gypsum	Kaolinite
None	Pyroxene	Quartz

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 Mn Na O S Si

Elements from minerals reported directly at this locality: Ca H O S

Structural Groups for minerals in this locality:
Amphibole Calcite Clay Clinozoisite Coronadite Epidote Feldspar Fluorite Gypsum Kaolinite
None Pyroxene Quartz

11 IMA Minerals at location:

Aegirine ()*	Albite ()*	Calcite ()*	Cryptomelane ()*	Epidote ()*
Fluorite ()*	Gypsum ()*	Kaolinite ()*	Orthoclase ()*	Quartz ()*
Riebeckite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	2	219710,219711	1022
Albite ()*	Feldspar	Na(AlSi₃O₈)	2	219710,219711	8803
Calcite ()*	Calcite	Ca(CO₃)	2	219710,219711	27770
Cryptomelane ()*	Coronadite	K(Mn⁴⁺₇Mn³⁺)O₁₆	1	219709	599
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	2	219710,219711	8173
Fluorite ()*	Fluorite	CaF₂	2	219710,219711	9617
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	0		6890
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	2	219710,219711	5591
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	219711	2349
Quartz ()*	Quartz	SiO₂	3	219709,219710,219711	61156
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	2	219710,219711	375

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...