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Tokatoka, Kaipara, Northland, North Island, New Zealand

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Contact-metamorphic mineralisation between andesite dikes and limestone of the Onerahi Formation (Lower Tertiary).
The harmotome and analcime described by Black (1969b) are from andesite dikes at Rehia and Maungarahu in the Tokatoka district.

Refs.:
Mason, B. (1957): Larnite, scawtite, and hydrogrossular from Tokatoka, New Zealand. American Mineralogist 42, 379-392.
Black, P. M. (1969a): Rankinite and kilchoanite from Tokatoka, New Zealand. Mineralogical Magazine 37, 517-519.
Black, P. M. (1969b): Harmotome from the Tokatoka district, New Zealand. Mineralogical Magazine 37, 453-458.
Baker, C. K. & Black, P. M. (1980): Assimilation and metamorphism at a basalt-limestone contact, Tokatoka, New Zealand. Mineralogical Magazine 43, 797-807.
Courtney, S. F. & Rodgers, K. A. (1988): Herschelite from Tokatoka, New Zealand. Neues Jahrbuch für Mineralogie, Monatshefte 1988, 433-437.
(in part): Railton, G.L. & Watters, W.A., Minerals of New Zealand, New Zealand Geological Survey Bull. #104 (1990).




Mineral list contains entries from the region specified including sub-localities


Mineral List:
  		•  Afwillite
    Ca
     
    3
    		[HSiO
     
    4
    		]
     
    2
    		 · 2H
     
    2
    		O
    Reference: [Railton, G.L. & Watters, W.A., Minerals of New Zealand, New Zealand Geological Survey Bull. #104 (1990).]
  		•  Analcime
    Na
     
    2
    		[Al
     
    2
    		Si
     
    4
    		O
     
    12
    		] · 2H
     
    2
    		O
    Reference: [Baker, C. K. & Black, P. M. (1980): Assimilation and metamorphism at a basalt-limestone contact, Tokatoka, New Zealand. Mineralogical Magazine 43, 797-807. ]
  		•  'Apatite'
    Reference: [Courtney, S. F. & Rodgers, K. A. (1988): Herschelite from Tokatoka, New Zealand. Neues Jahrbuch für Mineralogie, Monatshefte 1988, 433-437. ]
  		•  Aragonite
    CaCO
     
    3
    Reference: [Thornton, J. (Ed), The Microscope, Nov 66 (1966).]
  		•  Baryte
    BaSO
     
    4
    Reference: [Courtney, S. F. & Rodgers, K. A. (1988): Herschelite from Tokatoka, New Zealand. Neues Jahrbuch für Mineralogie, Monatshefte 1988, 433-437. ]
    Site Photo
    Bickers Quarry (Simpkins Quarry), Tokatoka, Kaipara, Northland, North Island, New Zealand
    © Judy Rowe
  		•  Calcite
    CaCO
     
    3
    Reference: [Baker, C. K. & Black, P. M. (1980): Assimilation and metamorphism at a basalt-limestone contact, Tokatoka, New Zealand. Mineralogical Magazine 43, 797-807. ]
  		•  Cebollite
    Ca
     
    5
    		Al
     
    2
    		Si
     
    3
    		O
     
    12
    		(OH)
     
    4
    		 or near
    Reference: [Baker, C. K. & Black, P. M. (1980): Assimilation and metamorphism at a basalt-limestone contact, Tokatoka, New Zealand. Mineralogical Magazine 43, 797-807. ]
  		•  Chabazite-Na
    (Na
     
    2
    		,K
     
    2
    		,Ca,Sr,Mg)
     
    2
    		[Al
     
    2
    		Si
     
    4
    		O
     
    12
    		]
     
    2
    		 · 12H
     
    2
    		O
    Reference: [Courtney, S. F. & Rodgers, K. A. (1988): Herschelite from Tokatoka, New Zealand. Neues Jahrbuch für Mineralogie, Monatshefte 1988, 433-437. ]
    Site Photo
    Bickers Quarry (Simpkins Quarry), Tokatoka, Kaipara, Northland, North Island, New Zealand
    © Judy Rowe
  		•  'Chlorite Group'
    Reference: [Courtney, S. F. & Rodgers, K. A. (1988): Herschelite from Tokatoka, New Zealand. Neues Jahrbuch für Mineralogie, Monatshefte 1988, 433-437. ]
  		•  Cristobalite
    SiO
     
    2
    Reference: [Mason, B. (1957): Larnite, scawtite, and hydrogrossular from Tokatoka, New Zealand. American Mineralogist 42, 379-392.]
  		•  Gehlenite
    Ca
     
    2
    		Al[AlSiO
     
    7
    		]
    Reference: [Mason, B. (1957): Larnite, scawtite, and hydrogrossular from Tokatoka, New Zealand. American Mineralogist 42, 379-392.]
  		•  Gismondine
    Ca[Al
     
    2
    		Si
     
    2
    		O
     
    8
    		]·4.5H
     
    2
    		O
    Reference: [Baker, C. K. & Black, P. M. (1980): Assimilation and metamorphism at a basalt-limestone contact, Tokatoka, New Zealand. Mineralogical Magazine 43, 797-807. ]
  		•  Gonnardite
    Na
     
    2
    		Ca[Al
     
    2
    		Si
     
    3
    		O
     
    10
    		]
     
    2
    		 · 7H
     
    2
    		O
    Reference: [Courtney, S.F. & Rodgers, K.A. (1988): Herschelite from Tokatoka, New Zealand. N. Jb. Miner. Mh., 1988, 10, 433-437. ]
  		•  Grossular
    Ca
     
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [Baker, C. K. & Black, P. M. (1980): Assimilation and metamorphism at a basalt-limestone contact, Tokatoka, New Zealand. Mineralogical Magazine 43, 797-807. ]
  		•  Gypsum
    Ca[SO
     
    4
    		] · 2H
     
    2
    		O
    Reference: [Thornton, J. (Ed), The Microscope, Nov 66 (1966).]
  		•  Harmotome
    (Ba
     
    0.5
    		,Ca
     
    0.5
    		,K,Na)
     
    5
    		[Al
     
    5
    		Si
     
    11
    		O
     
    32
    		] ·12H
     
    2
    		O
    Reference: [Black, P. M. (1969): Harmotome from the Tokatoka district, New Zealand. Mineralogical Magazine 37, 453-458.; Courtney, S. F. & Rodgers, K. A. (1988): Herschelite from Tokatoka, New Zealand. Neues Jahrbuch für Mineralogie, Monatshefte 1988, 433-437. ]
  		•  'Hydrogrossular'
    Reference: [Mason, B. (1957): Larnite, scawtite, and hydrogrossular from Tokatoka, New Zealand. American Mineralogist 42, 379-392.; Baker, C. K. & Black, P. M. (1980): Assimilation and metamorphism at a basalt-limestone contact, Tokatoka, New Zealand. Mineralogical Magazine 43, 797-807. ]
  		•  Ilmenite
    Fe
    2+
     
    		TiO
     
    3
    Reference: [Courtney, S. F. & Rodgers, K. A. (1988): Herschelite from Tokatoka, New Zealand. Neues Jahrbuch für Mineralogie, Monatshefte 1988, 433-437. ]
  		•  Kilchoanite
    Ca
     
    3
    		Si
     
    2
    		O
     
    7
    Reference: [Black, P. M. (1969): Rankinite and kilchoanite from Tokatoka, New Zealand. Mineralogical Magazine 37, 517-519. ]
  		•  Larnite
    Ca
     
    2
    		[SiO
     
    4
    		]
    Reference: [Mason, B. (1957): Larnite, scawtite, and hydrogrossular from Tokatoka, New Zealand. American Mineralogist 42, 379-392.]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [Courtney, S. F. & Rodgers, K. A. (1988): Herschelite from Tokatoka, New Zealand. Neues Jahrbuch für Mineralogie, Monatshefte 1988, 433-437. ]
  		•  Natrolite
    Na
     
    2
    		[Al
     
    2
    		Si
     
    3
    		O
     
    10
    		] · 2H
     
    2
    		O
    Reference: [Courtney, S.F. & Rodgers, K.A. (1988): Herschelite from Tokatoka, New Zealand. N. Jb. Miner. Mh., 1988, 10, 433-437. ]
  		•  Opal
    SiO
     
    2
    		·nH
     
    2
    		O
    Reference: [Mason, B. (1957): Larnite, scawtite, and hydrogrossular from Tokatoka, New Zealand. American Mineralogist 42, 379-392.]
  		•  Orthoclase
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Courtney, S. F. & Rodgers, K. A. (1988): Herschelite from Tokatoka, New Zealand. Neues Jahrbuch für Mineralogie, Monatshefte 1988, 433-437. ]
  		•  Pectolite
    NaCa
     
    2
    		[HSi
     
    3
    		O
     
    9
    		]
    Reference: [Baker, C. K. & Black, P. M. (1980): Assimilation and metamorphism at a basalt-limestone contact, Tokatoka, New Zealand. Mineralogical Magazine 43, 797-807. ]
  		•  'Phillipsite'
    Reference: [Courtney, S.F. & Rodgers, K.A. (1988): Herschelite from Tokatoka, New Zealand. N. Jb. Miner. Mh., 1988, 10, 433-437. ]
  		•  Prehnite
    Ca
     
    2
    		Al
     
    2
    		Si
     
    3
    		O
     
    12
    		(OH)
    Reference: [Baker, C. K. & Black, P. M. (1980): Assimilation and metamorphism at a basalt-limestone contact, Tokatoka, New Zealand. Mineralogical Magazine 43, 797-807. ]
  		•  Pyrite
    FeS
     
    2
    Reference: [Thornton, J. (Ed), The Microscope, Nov 66 (1966).]
  		•  Quartz
    SiO
     
    2
    Reference: [Courtney, S. F. & Rodgers, K. A. (1988): Herschelite from Tokatoka, New Zealand. Neues Jahrbuch für Mineralogie, Monatshefte 1988, 433-437. ]
  		•  Rankinite
    Ca
     
    3
    		Si
     
    2
    		O
     
    7
    Reference: [Black, P. M. (1969): Rankinite and kilchoanite from Tokatoka, New Zealand. Mineralogical Magazine 37, 517-519. ]
  		•  Scawtite
    Ca
     
    7
    		Si
     
    6
    		(CO
     
    3
    		)O
     
    18
    		·2H
     
    2
    		O
    Reference: [Mason, B. (1957): Larnite, scawtite, and hydrogrossular from Tokatoka, New Zealand. American Mineralogist 42, 379-392.]
  		•  Siderite
    FeCO
     
    3
    Reference: [Courtney, S. F. & Rodgers, K. A. (1988): Herschelite from Tokatoka, New Zealand. Neues Jahrbuch für Mineralogie, Monatshefte 1988, 433-437. ]
    Site Photo
    Bickers Quarry (Simpkins Quarry), Tokatoka, Kaipara, Northland, North Island, New Zealand
    © Judy Rowe
  		•  Spurrite
    Ca
     
    5
    		[CO
     
    3
    		|(SiO
     
    4
    		)
     
    2
    		]
    Reference: [Mason, B. (1957): Larnite, scawtite, and hydrogrossular from Tokatoka, New Zealand. American Mineralogist 42, 379-392.]
  		•  'Thomsonite'
    Reference: [Baker, C. K. & Black, P. M. (1980): Assimilation and metamorphism at a basalt-limestone contact, Tokatoka, New Zealand. Mineralogical Magazine 43, 797-807. ]
  		•  Thomsonite-Ca
    NaCa
     
    2
    		[Al
     
    5
    		Si
     
    5
    		O
     
    20
    		] · 6H
     
    2
    		O
    Reference: [Courtney, S.F. & Rodgers, K.A. (1988): Herschelite from Tokatoka, New Zealand. N. Jb. Miner. Mh., 1988, 10, 433-437. ]
  		•  Tobermorite
    Ca
     
    5
    		Si
     
    6
    		(O,OH)
     
    18
    		·5H
     
    2
    		O
    Reference: [Baker, C. K. & Black, P. M. (1980): Assimilation and metamorphism at a basalt-limestone contact, Tokatoka, New Zealand. Mineralogical Magazine 43, 797-807. ]
  		•  Wollastonite
    Ca[SiO
     
    3
    		]
    Reference: [Mason, B. (1957): Larnite, scawtite, and hydrogrossular from Tokatoka, New Zealand. American Mineralogist 42, 379-392.]


    37 entries listed. 31 valid minerals.

    Localities in this Region:
    New Zealand
     
    • North Island
      • Northland
        • Kaipara
          • Tokatoka

    The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
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