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:
Brookfield Gold Mine, Queens Co., Nova Scotia, Canada

Oldest recorded age at locality: 365
Youngest recorded age at locality: 181

mindat Locality ID: 203569
mindat URL: http://www.mindat.org/loc-203569.html

Tectonic Settings:

Total number of sublocalities beneath "Brookfield Gold Mine, Queens Co., Nova Scotia, Canada": 0
Total number of bottom-level sublocalities: 0

Latitude: 44°24'15"N
Longitude: 64°55'5"W
Decimal Degree (lat, lon): 44.404166666667,-64.918055555556

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.

Calcite	Copper	None	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: Au C Ca Fe O Si

Elements from minerals reported directly at this locality: Au C Ca Fe O Si

Structural Groups for minerals in this locality:
Calcite Copper None Quartz

4 IMA Minerals at location:

Calcite ()*	Gold ()*	Quartz ()*	Siderite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	365	181	27770
Gold ()*	Copper	Au	365	181	30554
Quartz ()*	Quartz	SiO₂	365	181	61156
Siderite ()*	Calcite	Fe(CO₃)	365	181	6417

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Sample Num	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Co-00096	261	181	221	Fission Track	zircon	RSB-5/24	Zircon	203569	Brookfield Gold Mine, Queens Co., Nova Scotia, Canada	Brookfield	Ravenhurst et al. (1989)	10.2113/gsecongeo.84.6.1471	EG84_1471
Co-00097	320	320	320	K-Ar	illite	RSB-43		203569	Brookfield Gold Mine, Queens Co., Nova Scotia, Canada	Brookfield	Ravenhurst et al. (1989)	10.2113/gsecongeo.84.6.1471	EG84_1471
Co-00098	365	365	365	K-Ar	illite	RSB-45		203569	Brookfield Gold Mine, Queens Co., Nova Scotia, Canada	Brookfield	Ravenhurst et al. (1989)	10.2113/gsecongeo.84.6.1471	EG84_1471

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...