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
AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe 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.

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: 
BerylChalcopyriteClayClinozoisiteEpidoteFeldsparGarnetMicaNonePyrite
QuartzTalc

11 IMA Minerals at location:
Albite  (*)Almandine  (*)Beryl  (*)Chalcopyrite  (*)Epidote  (*)
Microcline  (*)Muscovite  (*)Pyrite  (*)Quartz  (*)Talc  (*)
Zoisite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)12183918803
Almandine  (*)GarnetFe2+3Al2(SiO4)312183912353
Beryl  (*)BerylBe3Al2Si6O1812183914286
Chalcopyrite  (*)ChalcopyriteCuFeS2027198
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)12183918173
Microcline  (*)FeldsparK(AlSi3O8)04924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2017380
Pyrite  (*)PyriteFeS2121839139462
Quartz  (*)QuartzSiO2121839161156
Talc  (*)Clay TalcMg3Si4O10(OH)212183913337
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)12183911025


No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

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