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Loma Peguera, Bonao, Monseñor Nouel Province, Dominican Republici
Regional Level Types
Loma Peguera- not defined -
Bonao- not defined -
Monseñor Nouel ProvinceProvince
Dominican RepublicCountry

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Latitude & Longitude (WGS84): 18° 59' 24'' North , 70° 19' 23'' West
Latitude & Longitude (decimal): 18.99005,-70.32298
GeoHash:G#: d7mupc035
Köppen climate type:Af : Tropical rainforest climate
Nearest Settlements:
PlacePopulationDistance
Bonao73,269 (2016)10.8km
Sabana del Puerto1,223 (2016)13.0km
Fantino10,024 (2016)14.8km
Piedra Blanca8,531 (2016)16.2km
Jima Abajo6,299 (2016)16.8km


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.

Regions containing this locality

Caribbean PlateTectonic Plate
The CaribbeanRegion

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


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

Detailed Mineral List:

Awaruite
Formula: Ni3Fe
Reference: Zaccharini et al. (2009): Neues Jahrbuch für Mineralogie - Abhandlungen, 185, 335-349; 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.; McDonald A M, Proenza J A, Zaccarini F, Rudashevsky N S, Cabri L J, Stanley C J, Rudashevsky V N, Melgarejo J C, Lewis J F, Longo F, Bakker R J (2010) Garutiite, (Ni,Fe,Ir), a new hexagonal polymorph of native Ni from Loma Peguera, Dominican Republic. European Journal of Mineralogy 22, 293-304
Brucite
Formula: Mg(OH)2
Reference: 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.
'Chlorite Group'
Reference: 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.; McDonald A M, Proenza J A, Zaccarini F, Rudashevsky N S, Cabri L J, Stanley C J, Rudashevsky V N, Melgarejo J C, Lewis J F, Longo F, Bakker R J (2010) Garutiite, (Ni,Fe,Ir), a new hexagonal polymorph of native Ni from Loma Peguera, Dominican Republic. European Journal of Mineralogy 22, 293-304
Chromite
Formula: Fe2+Cr3+2O4
Reference: 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; Zaccharini et al. (2009): Neues Jahrbuch für Mineralogie - Abhandlungen, 185, 335-349; 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.; McDonald A M, Proenza J A, Zaccarini F, Rudashevsky N S, Cabri L J, Stanley C J, Rudashevsky V N, Melgarejo J C, Lewis J F, Longo F, Bakker R J (2010) Garutiite, (Ni,Fe,Ir), a new hexagonal polymorph of native Ni from Loma Peguera, Dominican Republic. European Journal of Mineralogy 22, 293-304
Chrysotile
Formula: Mg3(Si2O5)(OH)4
Reference: 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.
Falcondoite (TL)
Formula: (Ni,Mg)4Si6O15(OH)2 · 6H2O
Type Locality:
Reference: Springer, G. (1976): Falcondoite, nickel analogue of sepiolite. The Canadian Mineralogist, 14, 407-409.
'Fayalite-Forsterite Series'
Reference: McDonald A M, Proenza J A, Zaccarini F, Rudashevsky N S, Cabri L J, Stanley C J, Rudashevsky V N, Melgarejo J C, Lewis J F, Longo F, Bakker R J (2010) Garutiite, (Ni,Fe,Ir), a new hexagonal polymorph of native Ni from Loma Peguera, Dominican Republic. European Journal of Mineralogy 22, 293-304
Ferronickelplatinum
Formula: Pt2FeNi
Reference: Zaccarini, F., Proenza, J. A., Lewis, J. F., & Garuti, G. Platinum-group elements distribution and mineralogy in Loma Peguera chromitites, Loma Caribe peridotite, Dominican Republic: preliminary results. pp 265-268
'Garnierite'
Reference: Springer, G. (1976): Falcondoite, nickel analogue of sepiolite. The Canadian Mineralogist, 14, 407-409.
Garutiite (TL)
Formula: (Ni,Fe,Ir)
Type Locality:
Reference: McDonald A M, Proenza J A, Zaccarini F, Rudashevsky N S, Cabri L J, Stanley C J, Rudashevsky V N, Melgarejo J C, Lewis J F, Longo F, Bakker R J (2010) Garutiite, (Ni,Fe,Ir), a new hexagonal polymorph of native Ni from Loma Peguera, Dominican Republic. European Journal of Mineralogy 22, 293-304
Goethite
Formula: α-Fe3+O(OH)
Reference: McDonald A M, Proenza J A, Zaccarini F, Rudashevsky N S, Cabri L J, Stanley C J, Rudashevsky V N, Melgarejo J C, Lewis J F, Longo F, Bakker R J (2010) Garutiite, (Ni,Fe,Ir), a new hexagonal polymorph of native Ni from Loma Peguera, Dominican Republic. European Journal of Mineralogy 22, 293-304
Hexaferrum
Formula: (Fe,Os,Ru,Ir)
Reference: McDonald A M, Proenza J A, Zaccarini F, Rudashevsky N S, Cabri L J, Stanley C J, Rudashevsky V N, Melgarejo J C, Lewis J F, Longo F, Bakker R J (2010) Garutiite, (Ni,Fe,Ir), a new hexagonal polymorph of native Ni from Loma Peguera, Dominican Republic. European Journal of Mineralogy 22, 293-304
Irarsite
Formula: (Ir,Ru,Rh,Pt)AsS
Reference: Zaccharini et al. (2009): Neues Jahrbuch für Mineralogie - Abhandlungen, 185, 335-349; 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.; McDonald A M, Proenza J A, Zaccarini F, Rudashevsky N S, Cabri L J, Stanley C J, Rudashevsky V N, Melgarejo J C, Lewis J F, Longo F, Bakker R J (2010) Garutiite, (Ni,Fe,Ir), a new hexagonal polymorph of native Ni from Loma Peguera, Dominican Republic. European Journal of Mineralogy 22, 293-304
Laurite
Formula: RuS2
Reference: Zaccharini et al. (2009): Neues Jahrbuch für Mineralogie - Abhandlungen, 185, 335-349; 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.; McDonald A M, Proenza J A, Zaccarini F, Rudashevsky N S, Cabri L J, Stanley C J, Rudashevsky V N, Melgarejo J C, Lewis J F, Longo F, Bakker R J (2010) Garutiite, (Ni,Fe,Ir), a new hexagonal polymorph of native Ni from Loma Peguera, Dominican Republic. European Journal of Mineralogy 22, 293-304
Lizardite
Formula: Mg3(Si2O5)(OH)4
Reference: 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.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: McDonald A M, Proenza J A, Zaccarini F, Rudashevsky N S, Cabri L J, Stanley C J, Rudashevsky V N, Melgarejo J C, Lewis J F, Longo F, Bakker R J (2010) Garutiite, (Ni,Fe,Ir), a new hexagonal polymorph of native Ni from Loma Peguera, Dominican Republic. European Journal of Mineralogy 22, 293-304; 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.
Népouite
Formula: (Ni,Mg)3(Si2O5)(OH)4
Reference: Rob Lavinsky
'Nickelferroplatinum'
Reference: Zaccharini et al. (2009): Neues Jahrbuch für Mineralogie - Abhandlungen, 185, 335-349
Pecoraite
Formula: Ni3(Si2O5)(OH)4
Reference: M.E. Ciriotti (Steffen Moeckel analysis) 06/09/2007
Pentlandite
Formula: (FexNiy)Σ9S8
Reference: 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.; McDonald A M, Proenza J A, Zaccarini F, Rudashevsky N S, Cabri L J, Stanley C J, Rudashevsky V N, Melgarejo J C, Lewis J F, Longo F, Bakker R J (2010) Garutiite, (Ni,Fe,Ir), a new hexagonal polymorph of native Ni from Loma Peguera, Dominican Republic. European Journal of Mineralogy 22, 293-304
Quartz
Formula: SiO2
Reference: 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.; McDonald A M, Proenza J A, Zaccarini F, Rudashevsky N S, Cabri L J, Stanley C J, Rudashevsky V N, Melgarejo J C, Lewis J F, Longo F, Bakker R J (2010) Garutiite, (Ni,Fe,Ir), a new hexagonal polymorph of native Ni from Loma Peguera, Dominican Republic. European Journal of Mineralogy 22, 293-304
Ruthenium
Formula: (Ru,Ir)
Reference: Zaccharini et al. (2009): Neues Jahrbuch für Mineralogie - Abhandlungen, 185, 335-349; 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.; McDonald A M, Proenza J A, Zaccarini F, Rudashevsky N S, Cabri L J, Stanley C J, Rudashevsky V N, Melgarejo J C, Lewis J F, Longo F, Bakker R J (2010) Garutiite, (Ni,Fe,Ir), a new hexagonal polymorph of native Ni from Loma Peguera, Dominican Republic. European Journal of Mineralogy 22, 293-304
Sepiolite
Formula: Mg4(Si6O15)(OH)2 · 6H2O
Reference: 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.
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Reference: 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; Zaccharini et al. (2009): Neues Jahrbuch für Mineralogie - Abhandlungen, 185, 335-349; 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.; McDonald A M, Proenza J A, Zaccarini F, Rudashevsky N S, Cabri L J, Stanley C J, Rudashevsky V N, Melgarejo J C, Lewis J F, Longo F, Bakker R J (2010) Garutiite, (Ni,Fe,Ir), a new hexagonal polymorph of native Ni from Loma Peguera, Dominican Republic. European Journal of Mineralogy 22, 293-304
Spinel
Formula: MgAl2O4
Reference: 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.
Talc
Formula: Mg3Si4O10(OH)2
Reference: 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.; 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.
Tetraferroplatinum
Formula: PtFe
Reference: 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; Zaccharini et al. (2009): Neues Jahrbuch für Mineralogie - Abhandlungen, 185, 335-349
Willemseite
Formula: Ni3Si4O10(OH)2
Reference: M.E. Ciriotti (Steffen Moeckel analysis) 06/09/2007
Zaccariniite (TL)
Formula: RhNiAs
Type Locality:
Reference: Vymazalová, A., Laufek, F., Drábek, M., Stanley, C.J., Bakker, R.J.,Bermejo, R., Garuti, G., Thalhammer, O., Proenza, J.A. and Longo, F. (2012): Zaccariniite, IMA 2011-086. CNMNC Newsletter No. 12, February 2012, page 154; Mineralogical Magazine, 76, 151-155; Vyzmalová, A., Laufer, F., Drábek, M., Stanley, C., Bakker, R.J., Bermejo, R., Garuti, G., Thalhammer, O., Proenza, J.A., Longo, F. (2012): Zaccariniite, RhNiAs, a new platinum-group mineral species from Loma Peguera, Dominican Republic. Canadian Mineralogist, 50, 1321-1329.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Awaruite1.AE.20Ni3Fe
Ferronickelplatinum1.AG.40Pt2FeNi
Garutiite (TL)1.AG.05(Ni,Fe,Ir)
Hexaferrum1.AG.05(Fe,Os,Ru,Ir)
Ruthenium1.AF.05(Ru,Ir)
Tetraferroplatinum1.AG.40PtFe
Group 2 - Sulphides and Sulfosalts
Irarsite2.EB.25(Ir,Ru,Rh,Pt)AsS
Laurite2.EB.05aRuS2
Pentlandite2.BB.15(FexNiy)Σ9S8
Group 4 - Oxides and Hydroxides
Brucite4.FE.05Mg(OH)2
Chromite4.BB.05Fe2+Cr3+2O4
Goethite4.00.α-Fe3+O(OH)
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Spinel4.BB.05MgAl2O4
Group 9 - Silicates
Chrysotile9.ED.15Mg3(Si2O5)(OH)4
Falcondoite (TL)9.EE.25(Ni,Mg)4Si6O15(OH)2 · 6H2O
Lizardite9.ED.15Mg3(Si2O5)(OH)4
Népouite9.ED.15(Ni,Mg)3(Si2O5)(OH)4
Pecoraite9.ED.15Ni3(Si2O5)(OH)4
Sepiolite9.EE.25Mg4(Si6O15)(OH)2 · 6H2O
Talc9.EC.05Mg3Si4O10(OH)2
Willemseite9.EC.05Ni3Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Fayalite-Forsterite Series'-
'Garnierite'-
'Nickelferroplatinum'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Zaccariniite (TL)-RhNiAs

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Awaruite1.1.11.4Ni3Fe
Garutiite (TL)1.1.17.8(Ni,Fe,Ir)
Platinum Group Metals and Alloys
Ferronickelplatinum1.2.4.3Pt2FeNi
Ruthenium1.2.2.2(Ru,Ir)
Tetraferroplatinum1.2.4.1PtFe
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 9:8
Pentlandite2.7.1.1(FexNiy)Σ9S8
AmBnXp, with (m+n):p = 1:2
Irarsite2.12.3.7(Ir,Ru,Rh,Pt)AsS
Laurite2.12.1.10RuS2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
X(OH)2
Brucite6.2.1.1Mg(OH)2
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Spinel7.2.1.1MgAl2O4
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Chrysotile71.1.5.1Mg3(Si2O5)(OH)4
Lizardite71.1.2b.2Mg3(Si2O5)(OH)4
Népouite71.1.2b.3(Ni,Mg)3(Si2O5)(OH)4
Pecoraite71.1.2d.4Ni3(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 layers
Talc71.2.1.3Mg3Si4O10(OH)2
Willemseite71.2.1.4Ni3Si4O10(OH)2
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Falcondoite (TL)74.3.1b.2(Ni,Mg)4Si6O15(OH)2 · 6H2O
Sepiolite74.3.1b.1Mg4(Si6O15)(OH)2 · 6H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
'Fayalite-Forsterite Series'-
'Garnierite'-
Hexaferrum-(Fe,Os,Ru,Ir)
'Nickelferroplatinum'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Zaccariniite (TL)-RhNiAs

List of minerals for each chemical element

HHydrogen
H Falcondoite(Ni,Mg)4Si6O15(OH)2 · 6H2O
H Népouite(Ni,Mg)3(Si2O5)(OH)4
H PecoraiteNi3(Si2O5)(OH)4
H WillemseiteNi3Si4O10(OH)2
H SepioliteMg4(Si6O15)(OH)2 · 6H2O
H TalcMg3Si4O10(OH)2
H Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
H Goethiteα-Fe3+O(OH)
H LizarditeMg3(Si2O5)(OH)4
H ChrysotileMg3(Si2O5)(OH)4
H BruciteMg(OH)2
OOxygen
O Falcondoite(Ni,Mg)4Si6O15(OH)2 · 6H2O
O Népouite(Ni,Mg)3(Si2O5)(OH)4
O PecoraiteNi3(Si2O5)(OH)4
O WillemseiteNi3Si4O10(OH)2
O SepioliteMg4(Si6O15)(OH)2 · 6H2O
O TalcMg3Si4O10(OH)2
O QuartzSiO2
O ChromiteFe2+Cr23+O4
O Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
O MagnetiteFe2+Fe23+O4
O Goethiteα-Fe3+O(OH)
O LizarditeMg3(Si2O5)(OH)4
O ChrysotileMg3(Si2O5)(OH)4
O SpinelMgAl2O4
O BruciteMg(OH)2
MgMagnesium
Mg Népouite(Ni,Mg)3(Si2O5)(OH)4
Mg SepioliteMg4(Si6O15)(OH)2 · 6H2O
Mg TalcMg3Si4O10(OH)2
Mg Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mg LizarditeMg3(Si2O5)(OH)4
Mg ChrysotileMg3(Si2O5)(OH)4
Mg SpinelMgAl2O4
Mg BruciteMg(OH)2
AlAluminium
Al Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Al SpinelMgAl2O4
SiSilicon
Si Falcondoite(Ni,Mg)4Si6O15(OH)2 · 6H2O
Si Népouite(Ni,Mg)3(Si2O5)(OH)4
Si PecoraiteNi3(Si2O5)(OH)4
Si WillemseiteNi3Si4O10(OH)2
Si SepioliteMg4(Si6O15)(OH)2 · 6H2O
Si TalcMg3Si4O10(OH)2
Si QuartzSiO2
Si Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Si LizarditeMg3(Si2O5)(OH)4
Si ChrysotileMg3(Si2O5)(OH)4
SSulfur
S Irarsite(Ir,Ru,Rh,Pt)AsS
S LauriteRuS2
S Pentlandite(FexNiy)Σ9S8
CrChromium
Cr ChromiteFe2+Cr23+O4
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe Garutiite(Ni,Fe,Ir)
Fe ChromiteFe2+Cr23+O4
Fe TetraferroplatinumPtFe
Fe Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Fe AwaruiteNi3Fe
Fe Pentlandite(FexNiy)Σ9S8
Fe FerronickelplatinumPt2FeNi
Fe MagnetiteFe2+Fe23+O4
Fe Goethiteα-Fe3+O(OH)
Fe Hexaferrum(Fe,Os,Ru,Ir)
NiNickel
Ni Falcondoite(Ni,Mg)4Si6O15(OH)2 · 6H2O
Ni Garutiite(Ni,Fe,Ir)
Ni ZaccariniiteRhNiAs
Ni Népouite(Ni,Mg)3(Si2O5)(OH)4
Ni PecoraiteNi3(Si2O5)(OH)4
Ni WillemseiteNi3Si4O10(OH)2
Ni Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Ni AwaruiteNi3Fe
Ni Pentlandite(FexNiy)Σ9S8
Ni FerronickelplatinumPt2FeNi
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
AsArsenic
As ZaccariniiteRhNiAs
As Irarsite(Ir,Ru,Rh,Pt)AsS
RuRuthenium
Ru Ruthenium(Ru,Ir)
Ru Irarsite(Ir,Ru,Rh,Pt)AsS
Ru LauriteRuS2
Ru Hexaferrum(Fe,Os,Ru,Ir)
RhRhodium
Rh ZaccariniiteRhNiAs
Rh Irarsite(Ir,Ru,Rh,Pt)AsS
OsOsmium
Os Hexaferrum(Fe,Os,Ru,Ir)
IrIridium
Ir Garutiite(Ni,Fe,Ir)
Ir Irarsite(Ir,Ru,Rh,Pt)AsS
Ir Hexaferrum(Fe,Os,Ru,Ir)
PtPlatinum
Pt TetraferroplatinumPtFe
Pt Irarsite(Ir,Ru,Rh,Pt)AsS
Pt FerronickelplatinumPt2FeNi

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 Macrostrat.org

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 Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

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Year (asc) Year (desc) Author (A-Z) 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.


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