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:
Northern Lau Basin, Tonga

mindat Locality ID: 251508
mindat URL: http://www.mindat.org/loc-251508.html

Tectonic Settings:

Total number of sublocalities beneath "Northern Lau Basin, Tonga": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Niuatahi-Motutahi Volcano (Volcano O)

Latitude: 15°22'"S
Longitude: 174°'"W
Decimal Degree (lat, lon): -15.366666666667,-174

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.

Alunite	Baryte	Chalcopyrite	Copper	Covellite	Cristobalite	None	Pyrite	Pyroxene	Sphalerite
Spinel	Sulphur

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 Au Ba Ca Cu Fe H Mg Na O S Si Zn

Elements from minerals reported directly at this locality: Ba Cu Fe O S Zn

Structural Groups for minerals in this locality:
Alunite Baryte Chalcopyrite Copper Covellite Cristobalite None Pyrite Pyroxene Sphalerite
Spinel Sulphur

12 IMA Minerals at location:

Augite ()*	Baryte ()*	Chalcopyrite ()*	Covellite ()*	Cristobalite ()*
Gold ()*	Magnetite ()*	Natroalunite ()*	Pigeonite ()*	Pyrite ()*
Sphalerite ()*	Sulphur ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1	116121	2060
Baryte ()*	Baryte	Ba(SO₄)	0		11547
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	0		27198
Covellite ()*	Covellite	CuS	1	116121	4165
Cristobalite ()*	Cristobalite	SiO₂	1	116121	453
Gold ()*	Copper	Au	1	116121	30554
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	116121	14899
Natroalunite ()*	Alunite	NaAl₃(SO₄)₂(OH)₆	1	116121	128
Pigeonite ()*	Pyroxene	(Mg,Fe,Ca)₂Si₂O₆	1	116121	303
Pyrite ()*	Pyrite	FeS₂	1	116121	39462
Sphalerite ()*	Sphalerite	ZnS	0		21482
Sulphur ()*	Sulphur	S	1	116121	2045

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...