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:
Barrytown, Greymouth, Grey District, West Coast Region, New Zealand

Oldest recorded age at locality: 368.8
Youngest recorded age at locality: 100

mindat Locality ID: 262365
mindat URL: http://www.mindat.org/loc-262365.html

Tectonic Settings:

Total number of sublocalities beneath "Barrytown, Greymouth, Grey District, West Coast Region, New Zealand": 0
Total number of bottom-level sublocalities: 0

Latitude: 42°14'36"S
Longitude: 171°19'35"E
Decimal Degree (lat, lon): -42.243333333333,171.32638888889

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	Corundum	None	Rutile	Scheelite	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: Au Ca Fe O Si Ti W Zr

Elements from minerals reported directly at this locality: Au Ca Fe O Si Ti W Zr

Structural Groups for minerals in this locality:
Copper Corundum None Rutile Scheelite Zircon

5 IMA Minerals at location:

Gold ()*	Ilmenite ()*	Rutile ()*	Scheelite ()*	Zircon ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Gold ()*	Copper	Au	362	358.2	30554
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	362	358.2	5433
Rutile ()*	Rutile	TiO₂	362	358.2	5614
Scheelite ()*	Scheelite	Ca(WO₄)	362	358.2	4894
Zircon ()*	Zircon	Zr(SiO₄)	362	358.2	5251

7 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Prioritized?	Sample Source	Sample Num	Dated Mineral	Minerals explicitely stated as having this age	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
Giersdorf_00000785	212	212	212	K-Ar		biotite	BTG-1			262365	Barrytown, Greymouth, Grey District, West Coast Region, New Zealand	Barrytown	Spell et al. (2000)	10.1029/1999TC900046	T19_433	Initial age acquired during the gas release process, regarded as inconsistent
Giersdorf_00000786	362	358.2	360.1±1.9	K-Ar	high	biotite	BTG-1			262365	Barrytown, Greymouth, Grey District, West Coast Region, New Zealand	Barrytown	Spell et al. (2000)	10.1029/1999TC900046	T19_433	Integrated age, result acquired from 90% of the gas release.
Giersdorf_00000787	100	100	100	K-Ar		orthoclase	BTG-1	Orthoclase	Orthoclase	262365	Barrytown, Greymouth, Grey District, West Coast Region, New Zealand	Barrytown	Spell et al. (2000)	10.1029/1999TC900046	T19_433	Initial age acquired during the gas release process, regarded as inconsistent
Giersdorf_00000788	217	217	217	K-Ar	high	orthoclase	BTG-1	Orthoclase	Orthoclase	262365	Barrytown, Greymouth, Grey District, West Coast Region, New Zealand	Barrytown	Spell et al. (2000)	10.1029/1999TC900046	T19_433	Apparent age range from the sample throughout the degassing process
Giersdorf_00000789	229	229	229	K-Ar		muscovite	BTG-2	Muscovite	Muscovite	262365	Barrytown, Greymouth, Grey District, West Coast Region, New Zealand	Barrytown	Spell et al. (2000)	10.1029/1999TC900046	T19_433	Initial age acquired during the gas release process, regarded as inconsistent
Giersdorf_00000790	367	367	367	K-Ar		muscovite	BTG-2	Muscovite	Muscovite	262365	Barrytown, Greymouth, Grey District, West Coast Region, New Zealand	Barrytown	Spell et al. (2000)	10.1029/1999TC900046	T19_433	Age acquired during the gas release process, the age is described to have started young and worked its way to the age provided here from their results.
Giersdorf_00000791	368.8	364.6	366.7±2.1	K-Ar	high	muscovite	BTG-2	Muscovite	Muscovite	262365	Barrytown, Greymouth, Grey District, West Coast Region, New Zealand	Barrytown	Spell et al. (2000)	10.1029/1999TC900046	T19_433	Integrated age

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...