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:
Mount Pleasant, Westchester Co., New York, USA

mindat Locality ID: 221929
mindat URL: http://www.mindat.org/loc-221929.html

Tectonic Settings:

Total number of sublocalities beneath "Mount Pleasant, Westchester Co., New York, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Pleasantville
Valhalla

Latitude: 41°6'13"N
Longitude: 73°47'3"W
Decimal Degree (lat, lon): 41.103611111111,-73.784166666667

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.

Chlorite	Clay	Dumortierite	Feldspar	Fluorite	Mica	None	Pyrite	Pyroxene	Quartz
Rutile	Spinel

Albite ()*	Clinochlore ()*	Diopside ()*	Dolomite ()*	Dumortierite ()*
Fluorite ()*	Graphite ()*	Magnetite ()*	Microcline ()*	Muscovite ()*
Phlogopite ()*	Pyrite ()*	Quartz ()*	Rutile ()*

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 Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Chlorite Clay Dumortierite Feldspar Fluorite Mica None Pyrite Pyroxene Quartz
Rutile Spinel

14 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	249000	8803
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	1	248999	1756
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	248999	4135
Dolomite ()*	None	CaMg(CO₃)₂	1	248999	9895
Dumortierite ()*	Dumortierite	AlAl₆BSi₃O₁₈	1	249000	231
Fluorite ()*	Fluorite	CaF₂	1	249000	9617
Graphite ()*	None	C	1	249000	2812
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	248999	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	249000	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	2	248999,249000	17380
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	1	248999	2273
Pyrite ()*	Pyrite	FeS₂	1	248999	39462
Quartz ()*	Quartz	SiO₂	1	249000	61156
Rutile ()*	Rutile	TiO₂	1	248999	5614

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...