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Point of Rocks Quarry, Point of Rocks Mesa (Pecks Mesa), Springer, Colfax Co., New Mexico, USA

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A phonolite sill, consisting of alkali feldspar, zeolites and nepheline, which caps a mesa of olivine basalts and Cretaceous sedimentary rocks.

Refs.:
Rocks & Min.: 60:229
Tschernich, R. (1992): Zeolites of the World, 67
DeMark, R. S. (1984): Minerals of Point of Rocks, New Mexico. Mineral. Record 15, 150-156.
http://www.koeln.netsurf.de/~w.steffens/point.htm





 Map Reference: 36°25'N , 104°9'W

This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.



Mineral List:
  		•  Aegirine
    NaFe
    3+
     
    		[Si
     
    2
    		O
     
    6
    		]
    Reference: [MinRec 15:151]
    Site Photo
    Point of Rocks Quarry, Point of Rocks Mesa (Pecks Mesa), Springer, Colfax Co., New Mexico, USA
    © SMS 2006
  		•  Albite
    Na[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Rocks & Min.:60:229.]
  		•  Analcime
    Na
     
    2
    		[Al
     
    2
    		Si
     
    4
    		O
     
    12
    		] · 2H
     
    2
    		O
    Habit: distorted crystals to 3cm in diameter
    Colour: transparent to white, gray
    Reference: [Rocks & Min.:60:229; Tschernich, R. (1992): Zeolites of the World, 67]
  		•  'Ancylite'
    Reference: [Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996)]
  		•  Apatite-(CaF)
    Ca
     
    5
    		[F|(PO
     
    4
    		)
     
    3
    		]
    Reference: [Rocks & Min.: 60:229.]
  		•  Apatite-(CaF)
    var: Carbonate-rich Apatite-(CaF)
    Ca
     
    5
    		[(F,O)|(PO
     
    4
    		,CO
     
    3
    		)
     
    3
    		]
    Reference: []
  		•  Aragonite
    CaCO
     
    3
    Reference: []
  		•  Baryte
    BaSO
     
    4
    Reference: [Rocks & Min.:60:229.]
  		•  Birnessite ?
    (Na,Ca)
     
    0.5
    		(Mn
    4+
     
    		,Mn
    3+
     
    		)
     
    2
    		O
     
    4
    		 · 1.5H
     
    2
    		O
    Reference: [Rocks & Min.: 60:229.]
  		•  Brenkite
    Ca
     
    2
    		[F
     
    2
    		|CO
     
    3
    		]
    Reference: [Rocks & Min.: 60:229.]
  		•  Calcite
    CaCO
     
    3
    Reference: []
  		•  Cancrinite
    Na
     
    6
    		Ca
     
    2
    		[(CO
     
    3
    		)
     
    2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · 2H
     
    2
    		O
    Reference: [Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols]
  		•  Catapleiite ?
    Na
     
    2
    		Zr[Si
     
    3
    		O
     
    9
    		]·2H
     
    2
    		O
    Reference: [Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996)]
  		•  'Chabazite'
    Reference: [Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996)]
  		•  Cryolite
    Na
     
    3
    		[AlF
     
    6
    		]
    Description: Also known as UK 2
    Reference: [Minerals of New Mexico 3rd ed.]
  		•  Eudialyte
    Na
     
    15
    		Ca
     
    6
    		(Fe
    2+
     
    		,Mn
    2+
     
    		)
     
    3
    		Zr
     
    3
    		[Si
     
    25
    		O
     
    73
    		](O,OH,H
     
    2
    		O)
     
    3
    		(OH,Cl)
     
    2
    Reference: [Rocks & Min.:60:229.]
    Site Photo
    Point of Rocks Quarry, Point of Rocks Mesa (Pecks Mesa), Springer, Colfax Co., New Mexico, USA
    © SMS 2006
  		•  Fluorite
    CaF
     
    2
    Reference: [Rocks & Min.:60:229.]
  		•  Galena
    PbS
    Reference: [Rocks & Min.:60:229.]
  		•  Gonnardite
    Na
     
    2
    		Ca[Al
     
    2
    		Si
     
    3
    		O
     
    10
    		]
     
    2
    		 · 7H
     
    2
    		O
    Reference: [Zeolites of the World, R. Tschernich, 1992, p.225]
  		•  Hematite
    Fe
     
    2
    		O
     
    3
    Reference: []
  		•  Kenyaite
    Na
     
    2
    		Si
     
    22
    		O
     
    41
    		(OH)
     
    8
    		·6H
     
    2
    		O
    Description: DeMarks (1984) Unknown #3
    Reference: [Minerals of New Mexico 3rd ed.]
  		•  Kogarkoite
    Na
     
    3
    		[F|SO
     
    4
    		]
    Reference: [Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996)]
  		•  Kupletskite
    (K,Na)
     
    3
    		(Mn,Fe)
     
    7
    		Ti
     
    2
    		Si
     
    8
    		O
     
    26
    		(OH)
     
    4
    		F
    Reference: [Rocks & Min.:60:229.]
  		•  Lorenzenite
    Na
     
    2
    		Ti
     
    2
    		[O
     
    3
    		|Si
     
    2
    		O
     
    6
    		]
    Reference: [Rocks & Min.:60:229.]
  		•  Lovdarite
    (Na,K,Ca)
     
    4
    		(Be,Al)
     
    2
    		Si
     
    6
    		O
     
    16
    		·4H
     
    2
    		O
    Reference: []
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [Rocks & Min.: 60:229.]
  		•  Manganoneptunite
    Na
     
    2
    		KLi(Mn
    2+
     
    		,Fe
    2+
     
    		)
     
    2
    		Ti
     
    2
    		[Si
     
    8
    		O
     
    24
    		]
    Reference: [Rocks & Min.:60:229.]
    Site Photo
    Point of Rocks Quarry, Point of Rocks Mesa (Pecks Mesa), Springer, Colfax Co., New Mexico, USA
    © SMS 2006
  		•  Microcline
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Rocks & Min.: 60:229.]
  		•  Mosandrite ?
    Na
     
    2
    		Ca
     
    4
    		(Ce,La,Nd)Ti(Si
     
    2
    		O
     
    7
    		)
     
    2
    		OF
     
    3
    Reference: [Minerals of New Mexico 3rd ed.]
  		•  Natrolite
    Na
     
    2
    		[Al
     
    2
    		Si
     
    3
    		O
     
    10
    		] · 2H
     
    2
    		O
    Reference: [Rocks & Min.:60:229.]
  		•  Nepheline
    (Na,K)[AlSiO
     
    4
    		]
    Reference: [Rocks & Min.:60:229.]
  		•  Neptunite
    Na
     
    2
    		KLi(Fe
    2+
     
    		,Mn
    2+
     
    		)
     
    2
    		Ti
     
    2
    		[Si
     
    8
    		O
     
    24
    		]
    Reference: [Rocks & Min.:60:229.]
  		•  Opal
    SiO
     
    2
    		·nH
     
    2
    		O
    Reference: [Rocks & Min.:60:229.]
  		•  Opal
    var: Opal-AN
    SiO
     
    2
    		·nH
     
    2
    		O
    Reference: [Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996)]
    Site Photo
    Point of Rocks Quarry, Point of Rocks Mesa (Pecks Mesa), Springer, Colfax Co., New Mexico, USA
    © SMS 2007
  		•  Paranatrolite
    Na
     
    2
    		Al
     
    2
    		Si
     
    3
    		O
     
    10
    		·3H
     
    2
    		O
    Reference: [Rocks & Min.: 60:229.]
  		•  Pectolite
    NaCa
     
    2
    		[HSi
     
    3
    		O
     
    9
    		]
    Reference: [Rocks & Min.:60:229.]
  		•  Polylithionite
    KLi
     
    2
    		Al[(F,OH)
     
    2
    		|Si
     
    4
    		O
     
    10
    		]
    Reference: []
    Site Photo
    Point of Rocks Quarry, Point of Rocks Mesa (Pecks Mesa), Springer, Colfax Co., New Mexico, USA
    © SMS 2006
  		•  Pyrochlore
    (Ca,Na)
     
    2
    		Nb
     
    2
    		O
     
    6
    		(OH,F)
    Reference: [Rocks & Min.: 60:229.]
  		•  Pyrophanite
    Mn
    2+
     
    		TiO
     
    3
    Reference: [Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996)]
  		•  Pyrrhotite
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
    Reference: [Rocks & Min.:60:229.]
  		•  Quartz
    SiO
     
    2
    Reference: [Rocks & Min.: 60:229.]
  		•  Rasvumite
    KFe
     
    2
    		S
     
    3
    Reference: []
  		•  Rhodochrosite
    MnCO
     
    3
    Reference: [Rocks & Min.:60:229.]
  		•  Rosenbuschite
    (Ca,Na)
     
    3
    		(Zr,Ti)[O|F|Si
     
    2
    		O
     
    7
    		]
    Reference: [Rocks & Min.: 60:229.]
  		•  Searlesite
    NaBSi
     
    2
    		O
     
    5
    		(OH)
     
    2
    Reference: [Rocks & Min.:60:229.]
  		•  Sérandite
    Na(Mn
    2+
     
    		,Ca)
     
    2
    		[HSi
     
    3
    		O
     
    9
    		]
    Reference: [Rocks & Min.:60:229.]
  		•  Sodalite
    Na
     
    8
    		[Cl
     
    2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		]
    Reference: [Rocks & Min.: 60:229.]
  		•  Sphalerite
    (Zn,Fe
    2+
     
    		)S
    Reference: [Rocks & Min.:60:229.]
  		•  Steenstrupine-(Ce) ?
    Na
     
    14
    		Mn
    2+
    2
    		(Fe
    3+
     
    		,Mn
    3+
     
    		)
     
    2
    		Ce
     
    6
    		(Zr,Th)[(OH)
     
    2
    		|HPO
     
    4
    		|(PO
     
    4
    		)
     
    6
    		|(Si
     
    6
    		O
     
    18
    		)
     
    2
    		]·2H
     
    2
    		O
    Reference: [Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996)]
  		•  Tetranatrolite
    Reference: [Rocks & Min.:60:229.]
  		•  Thermonatrite
    Na
     
    2
    		CO
     
    3
    		·H
     
    2
    		O
    Reference: [Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996)]
  		•  Thorbastnäsite
    Th(Ca,Ce)(CO
     
    3
    		)
     
    2
    		F
     
    2
    		·3H
     
    2
    		O
    Reference: [Rocks & Min.:60:229.]
  		•  Thorite
    (Th,U)[SiO
     
    4
    		]
    Reference: [Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996)]
  		•  Titanite
    CaTi[O|SiO
     
    4
    		]
    Reference: [Rocks & Min.:60:229.]
  		•  Trona
    Na
     
    3
    		H(CO
     
    3
    		)
     
    2
    		·2H
     
    2
    		O
    Reference: [Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996)]
  		•  'Tundrite'
    Reference: [Rocks & Min.: 60:229.]
  		•  Villiaumite
    NaF
    Reference: [Rocks & Min.:60:229.]
    Site Photo
    Point of Rocks Quarry, Point of Rocks Mesa (Pecks Mesa), Springer, Colfax Co., New Mexico, USA
    © SMS 2006
  		•  Vishnevite
    (Na,K)
     
    8
    		[(SO
     
    4
    		,CO
     
    3
    		)|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · 2H
     
    2
    		O
    Reference: [Rocks & Min.: 60:229.]


    58 entries listed. 52 valid minerals.

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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in New Mexico, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 22nd Nov 2009 19:29:30