ALMOST THERE!. Help us with a final push needed to keep running. Click here to help.
Catawiki are hosting a benefit auction. All proceeds to! BID NOW
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat Articles
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Loma Peguera, Bonao, Monseñor Nouel Province, Dominican Republic

This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84): 18° 59' 24'' North , 70° 19' 23'' West
Latitude & Longitude (decimal): 18.99005,-70.32298
Other regions containing this locality:The Caribbean
Köppen climate type:Af : Tropical rainforest climate

Nickel mine in laterite.
Falcondoite was found in garnierite veins which cut an extensive laterite, associated with a serpentinized harzburgite massif.
Unnamed compositions: 'nickelferroplatinum' and Ir(Fe,Ni)3, (Ir,Pt)(Fe,Ni), (Ru,Pt)(Fe,Ni), (Fe,Ni,Ru,Os,Co)2S, and RhNiAs.

Mineral List

24 valid minerals. 3 (TL) - type locality of valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

Paleogene - Cretaceous
23.03 - 145 Ma

ID: 3190206
Mesozoic-Cenozoic volcanic rocks

Age: Phanerozoic (23.03 - 145 Ma)

Lithology: Mafic volcanic rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License

This page contains all mineral locality references listed on 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 locality information is for reference purposes only. You should never attempt to visit any sites listed in 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.


Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Proenza, J. A., Zaccarini, F., Lewis, J. F., Longo, F., & Garuti, G. (2007). Chromian spinel composition and the platinum-group minerals of the PGE-rich Loma Peguera chromitites, Loma Caribe peridotite, Dominican Republic. The Canadian Mineralogist, 45(3), 631-648.
33rd International Geological Congress (2008) session MPM-04 Platinum-group mineralogy: Platinum group minerals (PGM) in the Loma Peguera ophiolitic chromitite (Central Dominican Republic): New data using Electric Pulse Disaggregation and Hydroseparation techniques
Zaccarini, Federica; Proenza, Joaquin A.; Rudashevsky, Nikolay S.; Cabri, Louis J.; Garuti, Giorgio; Rudashevsky, Vladimir N.; Melgarejo, Joan C.; Lewis, John F.; Longo, Francisco; Bakker, Ronald J.; Stanley, Chris J. (2009): The Loma Peguera ophiolitic chromitite (Central Dominican Republic): a source of new platinum group minerals (PGM) species. Neues Jahrbuch für Mineralogie - Abhandlungen, 185, 335-349.
Marchesi, C., Garrido, C. J., Proenza, J. A., Hidas, K., Varas-Reus, M. I., Butjosa, L., & Lewis, J. F. (2016). Geochemical record of subduction initiation in the sub-arc mantle: Insights from the Loma Caribe peridotite (Dominican Republic). Lithos, 252, 1-15.

Mineral and/or Locality is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © and the Hudson Institute of Mineralogy 1993-2018, except where stated. relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: December 12, 2018 05:49:18 Page generated: March 26, 2018 23:31:57
Go to top of page