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:
Fort Montgomery, Town Of Highlands, Orange Co., New York, USA

mindat Locality ID: 221284
mindat URL: http://www.mindat.org/loc-221284.html

Tectonic Settings:

Total number of sublocalities beneath "Fort Montgomery, Town Of Highlands, Orange Co., New York, USA": 4
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Forest Of Dean Mine
North Of Fort Montgomery
Tower Mine

Latitude: 41°20'0"N
Longitude: 74°'"W
Decimal Degree (lat, lon): 41.333333333333,-74

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	Epidote	Feldspar	Gypsum	Mica	None	Not in a structural group
Olivine	Pyrite	Pyroxene	Quartz	Spinel	Talc	Zircon

Albite ()*	Anhydrite ()*	Calcite ()*	Diopside ()*	Epidote ()*
Forsterite ()*	Graphite ()*	Gypsum ()*	Magnetite ()*	Muscovite ()*
Pargasite ()*	Pyrite ()*	Quartz ()*	Spinel ()*	Talc ()*
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 Mg Na O S Si Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Calcite Clay Clinozoisite Epidote Feldspar Gypsum Mica None Not in a structural group
Olivine Pyrite Pyroxene Quartz Spinel Talc Zircon

16 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	248329	8803
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1	248329	1588
Calcite ()*	Calcite	Ca(CO₃)	1	248329	27770
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	248329	4135
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	248329	8173
Forsterite ()*	Olivine	Mg₂(SiO₄)	1	248329	1188
Graphite ()*	None	C	1	248331	2812
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	248329	6890
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	2	248329,248332	14899
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	248329	17380
Pargasite ()*	Amphibole	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂	1	248329	313
Pyrite ()*	Pyrite	FeS₂	1	248332	39462
Quartz ()*	Quartz	SiO₂	1	248329	61156
Spinel ()*	Spinel	MgAl₂O₄	1	248329	1934
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	248329	3337
Zircon ()*	Zircon	Zr(SiO₄)	1	248329	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...