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:
Stony Run, Baltimore City, Maryland, USA

mindat Locality ID: 259993
mindat URL: http://www.mindat.org/loc-259993.html

Tectonic Settings:

Total number of sublocalities beneath "Stony Run, Baltimore City, Maryland, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Stony Run Shaft
Wright Quarry

Latitude: 39°20'0"N
Longitude: 76°37'25"W
Decimal Degree (lat, lon): 39.333333333333,-76.623611111111

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.

Beryl	Chalcopyrite	Clay	Clinozoisite	Epidote	Feldspar	Garnet	Mica	None	Pyrite
Quartz	Talc

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 Be Ca Cu Fe H K Mg Na O S Si

Elements from minerals reported directly at this locality: Al Cu Fe H K O S Si

Structural Groups for minerals in this locality:
Beryl Chalcopyrite Clay Clinozoisite Epidote Feldspar Garnet Mica None Pyrite
Quartz Talc

11 IMA Minerals at location:

Albite ()*	Almandine ()*	Beryl ()*	Chalcopyrite ()*	Epidote ()*
Microcline ()*	Muscovite ()*	Pyrite ()*	Quartz ()*	Talc ()*
Zoisite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	218391	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	1	218391	2353
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	1	218391	4286
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	0		27198
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	218391	8173
Microcline ()*	Feldspar	K(AlSi₃O₈)	0		4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	0		17380
Pyrite ()*	Pyrite	FeS₂	1	218391	39462
Quartz ()*	Quartz	SiO₂	1	218391	61156
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	218391	3337
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	1	218391	1025

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...