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:
Alma, Oamaru, Waitaki District, Otago Region, New Zealand

mindat Locality ID: 298878
mindat URL: http://www.mindat.org/loc-298878.html

Tectonic Settings:

Total number of sublocalities beneath "Alma, Oamaru, Waitaki District, Otago Region, New Zealand": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Alma Mineral Breccia

Latitude: 45°6'30"S
Longitude: 170°55'4"E
Decimal Degree (lat, lon): -45.108333333333,170.91777777778

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.

Amphibole	Clay	None	Pyroxene	Smectite-vermiculite	Spinel

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 Ca Fe H Mg Na O Si Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Clay None Pyroxene Smectite-vermiculite Spinel

4 IMA Minerals at location:

Augite ()*	Kaersutite ()*	Montmorillonite ()*	Spinel ()*

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	87996	2060
Kaersutite ()*	Amphibole	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂	1	87996	179
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	1	87996	1508
Spinel ()*	Spinel	MgAl₂O₄	1	87996	1934

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...