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:
Tokatoka, Kaipara District, Northland Region, New Zealand

mindat Locality ID: 123306
mindat URL: http://www.mindat.org/loc-123306.html

Tectonic Settings:

Total number of sublocalities beneath "Tokatoka, Kaipara District, Northland Region, New Zealand": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Bickers Quarry (Simpkins Quarry)
Golden Gully
Tokatoka Quarry

Latitude: 36°2'37"S
Longitude: 173°59'17"E
Decimal Degree (lat, lon): -36.043611111111,173.98805555556

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.

Amorphous	Amphibole	Analcime	Aragonite	Baryte	Calcite	Chabazite	Chalcopyrite	Corundum	Cristobalite
Feldspar	Garnet	Gismondine	Gypsum	Harmotome	Melilite	Natrolite	Nickeline	None	Not in a structural group
Pectolite	Prehnite	Pyrite	Pyroxene	Quartz	Spinel	Spurrite-Afwillite	Thomsonite	Tobermorite	Wollastonite

Afwillite ()*	Analcime ()*	Aragonite ()*	Baryte ()*	Calcite ()*
Cebollite ()*	Chabazite-Na ()*	Chalcopyrite ()*	Cristobalite ()*	Diopside ()*
Foshagite ()*	Gehlenite ()*	Gismondine ()*	Gonnardite ()*	Grossular ()*
Gypsum ()*	Harmotome ()*	Ilmenite ()*	Kilchoanite ()*	Larnite ()*
Magnetite ()*	Natrolite ()*	Opal ()*	Orthoclase ()*	Pectolite ()*
Prehnite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Rankinite ()*
Scawtite ()*	Siderite ()*	Spurrite ()*	Thomsonite-Ca ()*	Tobermorite ()*
Tremolite ()*	Wollastonite ()*

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 Ba C Ca Cu Fe H K Mg Na O S Si Ti

Elements from minerals reported directly at this locality: Al Ca H O Si

Structural Groups for minerals in this locality:
Amorphous Amphibole Analcime Aragonite Baryte Calcite Chabazite Chalcopyrite Corundum Cristobalite
Feldspar Garnet Gismondine Gypsum Harmotome Melilite Natrolite Nickeline None Not in a structural group
Pectolite Prehnite Pyrite Pyroxene Quartz Spinel Spurrite-Afwillite Thomsonite Tobermorite Wollastonite

37 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Afwillite ()*	Spurrite-Afwillite	Ca₃[SiO₄][SiO₂(OH)₂]·2H₂O	1	87648	41
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	2	87647,87648	1627
Aragonite ()*	Aragonite	Ca(CO₃)	1	87647	3250
Baryte ()*	Baryte	Ba(SO₄)	1	87647	11547
Calcite ()*	Calcite	Ca(CO₃)	1	87648	27770
Cebollite ()*	Melilite	Ca₅Al₂(SiO₄)₃(OH)₄	1	87648	13
Chabazite-Na ()*	Chabazite	(Na₃K)[Al₄Si₈O₂₄]·11H₂O	1	87647	66
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	87648	27198
Cristobalite ()*	Cristobalite	SiO₂	0		453
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	87648	4135
Foshagite ()*	None	Ca₄(SiO₃)₃(OH)₂	1	87648	19
Gehlenite ()*	Melilite	Ca₂Al(SiAl)O₇	0		114
Gismondine ()*	Gismondine	Ca₂(Si₄Al₄)O₁₆·8H₂O	1	87648	128
Gonnardite ()*	Natrolite	(Na,Ca)₂(Si,Al)₅O₁₀·3H₂O	1	87647	167
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	0		1544
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	87647	6890
Harmotome ()*	Harmotome	Ba₂(Si₁₂Al₄)O₃₂·12H₂O	1	87647	290
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	87647	5433
Kilchoanite ()*	None	Ca₆(SiO₄)(Si₃O₁₀)	1	87648	9
Larnite ()*	Not in a structural group	Ca₂(SiO₄)	1	87648	48
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	2	87647,87648	14899
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	1	87647	1236
Opal ()*	Amorphous	SiO₂·nH₂O	0		2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	87647	2349
Pectolite ()*	Pectolite	NaCa₂Si₃O₈(OH)	1	87648	363
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	87648	1898
Pyrite ()*	Pyrite	FeS₂	2	87647,87648	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	87648	9056
Quartz ()*	Quartz	SiO₂	0		61156
Rankinite ()*	None	Ca₃Si₂O₇	1	87648	25
Scawtite ()*	None	Ca₇(Si₃O₉)₂(CO₃)·2H₂O	1	87648	25
Siderite ()*	Calcite	Fe(CO₃)	2	87647,87649	6417
Spurrite ()*	Spurrite-Afwillite	Ca₅(SiO₄)₂(CO₃)	1	87648	54
Thomsonite-Ca ()*	Thomsonite	NaCa₂(Al₅Si₅)O₂₀·6H₂O	1	87647	452
Tobermorite ()*	Tobermorite	Ca₄Si₆O₁₇(H₂O)₂·(Ca·3H₂O)	1	87648	114
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1	87647	2562
Wollastonite ()*	Wollastonite	CaSiO₃	1	87648	1247

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...