Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

São Paulo island (Challenger island; Southeast island), São Pedro and São Paulo archipelago, Pernambuco, Northeast Region, Brazil

StandardDetailedBy ChemistryMapsSearch Google

Dunite and serpentinized mantle peridotite - a very rare example of an exposure of Earth's mantle above sea level. The island is only 0.3 hectares in size (a little less than one acre).

Ref:
Washington, H.S. (1929) The American Mineralogist, 14, 369-372.





 Map Reference: 0°55'28"N , 29°22'32"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:
  		•  'Albite-Anorthite Series'
    Reference: [Sara S. Jacobson (1973) Dashkesanite: High-Chlorine Amphibole from St. Paul\\\'s Rocks, Equatorial Atlantic, and Transcaucasia, U.S.S.R. SMITHSONIAN CONTRIBUTIONS TO THE EARTH SCIENCES • NUMBER 14 Mineral Sciences Investigations 1972-1973]
  		•  'Allanite'
    Reference: [Sara S. Jacobson (1973) Dashkesanite: High-Chlorine Amphibole from St. Paul\\\'s Rocks, Equatorial Atlantic, and Transcaucasia, U.S.S.R. SMITHSONIAN CONTRIBUTIONS TO THE EARTH SCIENCES • NUMBER 14 Mineral Sciences Investigations 1972-1973]
  		•  Apatite-(CaOH)
    var: Carbonate-rich Apatite-(CaOH)
    Ca
     
    5
    		[(OH,O)|(PO
     
    4
    		,CO
     
    3
    		)
     
    3
    		]
    Reference: [Washington, H.S. (1929) The American Mineralogist, 14, 369-372.]
  		•  Biotite
    var: Titanbiotite
    Reference: [Sara S. Jacobson (1973) Dashkesanite: High-Chlorine Amphibole from St. Paul\\\'s Rocks, Equatorial Atlantic, and Transcaucasia, U.S.S.R. SMITHSONIAN CONTRIBUTIONS TO THE EARTH SCIENCES • NUMBER 14 Mineral Sciences Investigations 1972-1973]
  		•  Chloro-potassichastingsite
    [K][Ca
     
    2
    		][Fe
    2+
    4
    		Fe
    3+
     
    		][(Cl,OH)
     
    2
    		|Al
     
    2
    		Si
     
    6
    		O
     
    22
    		]
    Reference: [Sara S. Jacobson (1973) Dashkesanite: High-Chlorine Amphibole from St. Paul\\\'s Rocks, Equatorial Atlantic, and Transcaucasia, U.S.S.R. SMITHSONIAN CONTRIBUTIONS TO THE EARTH SCIENCES • NUMBER 14 Mineral Sciences Investigations 1972-1973]
  		•  Forsterite
    Mg
     
    2
    		[SiO
     
    4
    		]
    Reference: [Washington, H.S. (1929) The American Mineralogist, 14, 369-372.]
  		•  Hercynite
    var: Picotite
    (Fe,Mg)(Al,Cr)
     
    2
    		O
     
    4
    Reference: [Washington, H.S. (1929) The American Mineralogist, 14, 369-372.]
  		•  'Hornblende'
    Reference: [Sara S. Jacobson (1973) Dashkesanite: High-Chlorine Amphibole from St. Paul\\\'s Rocks, Equatorial Atlantic, and Transcaucasia, U.S.S.R. SMITHSONIAN CONTRIBUTIONS TO THE EARTH SCIENCES • NUMBER 14 Mineral Sciences Investigations 1972-1973]
  		•  Jadeite
    Na(Al,Fe
    3+
     
    		)[Si
     
    2
    		O
     
    6
    		]
    Description: (listed as "pyroxene (chiefly the jadeite, enstatite, and diopside molecules)")
    Reference: [Washington, H.S. (1929) The American Mineralogist, 14, 369-372.]
  		•  'Scapolite'
    Reference: [Sara S. Jacobson (1973) Dashkesanite: High-Chlorine Amphibole from St. Paul\\\'s Rocks, Equatorial Atlantic, and Transcaucasia, U.S.S.R. SMITHSONIAN CONTRIBUTIONS TO THE EARTH SCIENCES • NUMBER 14 Mineral Sciences Investigations 1972-1973]
  		•  Zircon
    Zr[SiO
     
    4
    		]
    Reference: [Sara S. Jacobson (1973) Dashkesanite: High-Chlorine Amphibole from St. Paul\\\'s Rocks, Equatorial Atlantic, and Transcaucasia, U.S.S.R. SMITHSONIAN CONTRIBUTIONS TO THE EARTH SCIENCES • NUMBER 14 Mineral Sciences Investigations 1972-1973]


    11 entries listed. 4 valid minerals.

    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!
    This page is currently not sponsored. Click here to find out how you can sponsor this page.

    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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: 25th Nov 2009 20:34:41