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:
Silver Leaf Shaft, Silver Leaf Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada

Oldest recorded age at locality: 2222.9
Youngest recorded age at locality: 532

mindat Locality ID: 273637
mindat URL: http://www.mindat.org/loc-273637.html

Tectonic Settings:

Total number of sublocalities beneath "Silver Leaf Shaft, Silver Leaf Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada": 0
Total number of bottom-level sublocalities: 0

Latitude: 47°22'32"N
Longitude: 79°39'35"W
Decimal Degree (lat, lon): 47.375555555556,-79.659722222222

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.

Copper	Nickeline	None

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: Ag As Ni

Elements from minerals reported directly at this locality: Ag As Ni

Structural Groups for minerals in this locality:
Copper Nickeline None

2 IMA Minerals at location:

Nickeline ()*	Silver ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Nickeline ()*	Nickeline	NiAs	1034	532	0		633
Silver ()*	Copper	Ag	2211	2050	0		5186

17 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
Emily000531	2217.5	2217.5		U-Pb	age of vein mineralization		rutile	Yes	Rutile			58159	Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada	Cobalt-Gowganda region	Marshall and Watkinson (2000)	10.2113/0090081	EMG9_81
Emily000532	2217	2217		U-Pb	age of vein mineralization		rutile	Yes	Rutile			58159	Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada	Cobalt-Gowganda region	Marshall and Watkinson (2000)	10.2113/0090081	EMG9_81
Co-00016	1713	1699	1706±7	Ar-Ar			chlorite	Yes				8348	Beaver Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada	Beaver - Temiskaming mine No. 41 vein	Andrews et al. (1986)	10.1139/e86-144	CJES23_1507
Co-00017	1815	1801	1808±7	Ar-Ar			chlorite	Yes				8348	Beaver Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada	Beaver - Temiskaming mine No. 41 vein	Andrews et al. (1986)	10.1139/e86-144	CJES23_1507
Co-00018	1853	1835	1844±9	Ar-Ar			actinolite	Yes	Actinolite			8348	Beaver Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada	Beaver - Temiskaming mine No. 41 vein	Andrews et al. (1986)	10.1139/e86-144	CJES23_1507
Co-00019	1895	1877	1886±9	Ar-Ar			actinolite	Yes	Actinolite			8348	Beaver Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada	Beaver - Temiskaming mine No. 37 vein	Andrews et al. (1986)	10.1139/e86-144	CJES23_1507
Co-00020	1915	1897	1906±9	Ar-Ar			actinolite	Yes	Actinolite			8348	Beaver Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada	Beaver - Temiskaming mine No. 37 vein	Andrews et al. (1986)	10.1139/e86-144	CJES23_1507
Co-00021	1943	1927	1935±8	Ar-Ar			actinolite	Yes	Actinolite			8348	Beaver Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada	Beaver - Temiskaming mine No. 41 vein	Andrews et al. (1986)	10.1139/e86-144	CJES23_1507
Co-00022	2068	2050	2059±9	Ar-Ar	These ages are interpreted as the true age of the deposits in the Cobalt area as they are the least deformed.	high	chlorite	Yes			Co, Ag	8348	Beaver Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada	Beaver - Temiskaming mine No. 37 vein	Andrews et al. (1986)	10.1139/e86-144	CJES23_1507	These ages are interpreted as the true age of the deposits in the Cobalt area as they are the least deformed.
Co-00023	2211	2193	2202±9	Ar-Ar	These ages are interpreted as the true age of the deposits in the Cobalt area as they are the least deformed.	high	chlorite	Yes			Co, Ag	8348	Beaver Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada	Beaver - Temiskaming mine No. 37 vein	Andrews et al. (1986)	10.1139/e86-144	CJES23_1507	These ages are interpreted as the true age of the deposits in the Cobalt area as they are the least deformed.
CJES23_1507_SCmine_01	1753	1731	1742±11	Ar-Ar	Ar-Ar- integrated age		k-feldspar	Yes				269047	Century Silver (Cobalt Twentieth Century) Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada	Silver Century mine, main vein	Andrews et al. (1986)	10.1139/e86-144	CJES23_1507
CJES23_1507_SCmine_02	1771	1713	1742±29	Ar-Ar	Ar-Ar- integrated age		k-feldspar	Yes				269047	Century Silver (Cobalt Twentieth Century) Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada	Silver Century mine, main vein	Andrews et al. (1986)	10.1139/e86-144	CJES23_1507
CJES23_1507_SCmine_03	903	885	894±9	Ar-Ar	Ar-Ar- integrated age		actinolite	Yes	Actinolite			269047	Century Silver (Cobalt Twentieth Century) Mine, Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada	Silver Century mine, main vein	Andrews et al. (1986)	10.1139/e86-144	CJES23_1507
Co-00013	1034	1024	1029±5	Ar-Ar			chlorite	Yes		Breithauptite, Cobaltite, Erythrite, Nickeline, Safflorite, Skutterudite	Co, Ni	8196	Silver Miller Mine (Pan Silver), Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada	Pan silver mine No. 01 vein	Andrews et al. (1986)	10.1139/e86-144	CJES23_1507
Co-00014	538	532	535±3	Ar-Ar			k-feldspar	Yes		Breithauptite, Cobaltite, Erythrite, Nickeline, Safflorite, Skutterudite	Co, Ni	8196	Silver Miller Mine (Pan Silver), Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada	Pan silver mine No. 01 vein	Andrews et al. (1986)	10.1139/e86-144	CJES23_1507
Co-00015	853	837	845±8	Ar-Ar			chlorite	Yes		Breithauptite, Cobaltite, Erythrite, Nickeline, Safflorite, Skutterudite	Co, Ni	8196	Silver Miller Mine (Pan Silver), Coleman Township, Cobalt Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada	Pan silver mine No. 01 vein	Andrews et al. (1986)	10.1139/e86-144	CJES23_1507
Co-00114	2222.9	2215.9	2219.4 (+3.6/-3.5)	U-Pb				Yes			Co, Ni, As, Ag, Bi	5830	Castle Mine (Castle-Trethewey Mine), Haultain Township, Gowganda Area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada	Nipissing diabase, Castle mine, Gowganda, Ontario	Andrews et al. (1986)	10.1139/e86-144	CJES_23_1507	error is (+3.6/-3.5); age of Nipissing diabase, the Ni-Co-As-Ag-Bi veins are this age or younger

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...