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Loma Caribe Ni laterite deposit, Falcondo Mines, Bonao, Monseñor Nouel Province, Dominican Republici
| Regional Level Types | |
|---|---|
| Loma Caribe Ni laterite deposit | Deposit |
| Falcondo Mines | Group of Mines |
| Bonao | Municipality |
| Monseñor Nouel Province | Province |
| Dominican Republic | Country |
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Latitude & Longitude (WGS84):
18° 54' 42'' North , 70° 20' 56'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Bonao | 73,269 (2016) | 6.9km |
| Piedra Blanca | 8,531 (2016) | 8.2km |
| Juan Adrián | 1,371 (2016) | 16.5km |
| Sabana del Puerto | 1,223 (2016) | 18.6km |
| Rincón | 5,909 (2016) | 23.8km |
The Loma Caribe peridotite represents a harzburgitic oceanic mantle, as part of a dismembered Cretaceous ophiolitic complex. The Loma Caribe deposit is classified as hydrous Mg silicate type, and, based on its geochemical footprint, textures and mineralogy, has been divided into several zones, which are, from bottom to top, the serpentinised peridotite, the saprolite horizon, the oxide horizon and a duricrust zone. The protolith is a serpentinised peridotite rich in olivine and enstatite, crosscut by serpentine minerals (i.e., lizardite). The saprolite horizon consists of Ni-rich lizardite with relicts of olivine and enstatite, and with minor clinochlore, maghemite and goethite. In the oxide horizon, ore samples contain goethite, hematite, gibbsite and chromian spinel.
The Dominican Loma Caribe peridotite is one of the ophiolite-related ultramafic rocks exposed along the northern margin of the Caribbean Plate. The peridotite extends along a NW–SE oriented belt, approximately 4–5 km wide and 95 km long, in the Cordillera Central. Small chromitite bodies (<10 m long) are hosted within peridotites in the northern and central part of the Loma Caribe peridotite belt. These chromitite bodies are discontinuous lenses or pods, rarely exceeding 1 m in thickness, that are generally hosted in dunite exhibiting variable degrees of serpentinization. Locally, chromitites from the central part of the peridotitic belt also occur as small veins (<2 cm thickness) which cross-cut both dunite and harzburgite.
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Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
17 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
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Alphabetical List Tree DiagramDetailed Mineral List:
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Awaruite | 1.AE.20 | Ni3Fe |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Pentlandite | 2.BB.15 | (NixFey)Σ9S8 |
| ⓘ | Millerite | 2.CC.20 | NiS |
| ⓘ | Laurite | 2.EB.05a | RuS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Goethite | 4.00. | Fe3+O(OH) |
| ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
| ⓘ | Spinel | 4.BB.05 | MgAl2O4 |
| ⓘ | Maghemite | 4.BB.15 | (Fe3+0.67◻0.33)Fe3+2O4 |
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Gibbsite | 4.FE.10 | Al(OH)3 |
| ⓘ | Lithiophorite | 4.FE.25 | (Al,Li)MnO2(OH)2 |
| ⓘ | Asbolane | 4.FL.30 | (Ni,Co)2-xMn4+(O,OH)4 · nH2O |
| Group 9 - Silicates | |||
| ⓘ | Enstatite | 9.DA.05 | Mg2Si2O6 |
| ⓘ | Talc | 9.EC.05 | Mg3Si4O10(OH)2 |
| ⓘ | Clinochlore | 9.EC.55 | Mg5Al(AlSi3O10)(OH)8 |
| ⓘ | Lizardite | 9.ED.15 | Mg3(Si2O5)(OH)4 |
| ⓘ | Sepiolite | 9.EE.25 | Mg4(Si6O15)(OH)2 · 6H2O |
| Unclassified | |||
| ⓘ | 'Amphibole Supergroup' | - | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| ⓘ | 'Chlorite Group' | - | |
| ⓘ | 'Clinopyroxene Subgroup' | - | |
| ⓘ | 'Pyroxene Group' | - | ADSi2O6 |
| ⓘ | 'Chrome-Spinel (of Dana)' | - | |
| ⓘ | 'Garnierite' | - | |
| ⓘ | 'Orthopyroxene Subgroup' | - | |
| ⓘ | 'Smectite Group' | - | A0.3D2-3[T4O10]Z2 · nH2O |
| ⓘ | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 |
| ⓘ | 'Olivine Group' | - | M2SiO4 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| H | ⓘ Asbolane | (Ni,Co)2-xMn4+(O,OH)4 · nH2O |
| H | ⓘ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| H | ⓘ Gibbsite | Al(OH)3 |
| H | ⓘ Goethite | Fe3+O(OH) |
| H | ⓘ Lithiophorite | (Al,Li)MnO2(OH)2 |
| H | ⓘ Lizardite | Mg3(Si2O5)(OH)4 |
| H | ⓘ Sepiolite | Mg4(Si6O15)(OH)2 · 6H2O |
| H | ⓘ Talc | Mg3Si4O10(OH)2 |
| H | ⓘ Smectite Group | A0.3D2-3[T4O10]Z2 · nH2O |
| H | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| Li | Lithium | |
| Li | ⓘ Lithiophorite | (Al,Li)MnO2(OH)2 |
| O | Oxygen | |
| O | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| O | ⓘ Asbolane | (Ni,Co)2-xMn4+(O,OH)4 · nH2O |
| O | ⓘ Chromite | Fe2+Cr23+O4 |
| O | ⓘ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| O | ⓘ Enstatite | Mg2Si2O6 |
| O | ⓘ Gibbsite | Al(OH)3 |
| O | ⓘ Goethite | Fe3+O(OH) |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Lithiophorite | (Al,Li)MnO2(OH)2 |
| O | ⓘ Lizardite | Mg3(Si2O5)(OH)4 |
| O | ⓘ Maghemite | (Fe3+0.67◻0.33)Fe23+O4 |
| O | ⓘ Sepiolite | Mg4(Si6O15)(OH)2 · 6H2O |
| O | ⓘ Spinel | MgAl2O4 |
| O | ⓘ Talc | Mg3Si4O10(OH)2 |
| O | ⓘ Pyroxene Group | ADSi2O6 |
| O | ⓘ Smectite Group | A0.3D2-3[T4O10]Z2 · nH2O |
| O | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| O | ⓘ Olivine Group | M2SiO4 |
| F | Fluorine | |
| F | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Mg | Magnesium | |
| Mg | ⓘ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| Mg | ⓘ Enstatite | Mg2Si2O6 |
| Mg | ⓘ Lizardite | Mg3(Si2O5)(OH)4 |
| Mg | ⓘ Sepiolite | Mg4(Si6O15)(OH)2 · 6H2O |
| Mg | ⓘ Spinel | MgAl2O4 |
| Mg | ⓘ Talc | Mg3Si4O10(OH)2 |
| Al | Aluminium | |
| Al | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Al | ⓘ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| Al | ⓘ Gibbsite | Al(OH)3 |
| Al | ⓘ Lithiophorite | (Al,Li)MnO2(OH)2 |
| Al | ⓘ Spinel | MgAl2O4 |
| Si | Silicon | |
| Si | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Si | ⓘ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| Si | ⓘ Enstatite | Mg2Si2O6 |
| Si | ⓘ Lizardite | Mg3(Si2O5)(OH)4 |
| Si | ⓘ Sepiolite | Mg4(Si6O15)(OH)2 · 6H2O |
| Si | ⓘ Talc | Mg3Si4O10(OH)2 |
| Si | ⓘ Pyroxene Group | ADSi2O6 |
| Si | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| Si | ⓘ Olivine Group | M2SiO4 |
| S | Sulfur | |
| S | ⓘ Laurite | RuS2 |
| S | ⓘ Millerite | NiS |
| S | ⓘ Pentlandite | (NixFey)Σ9S8 |
| Cl | Chlorine | |
| Cl | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Ti | Titanium | |
| Ti | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Cr | Chromium | |
| Cr | ⓘ Chromite | Fe2+Cr23+O4 |
| Mn | Manganese | |
| Mn | ⓘ Asbolane | (Ni,Co)2-xMn4+(O,OH)4 · nH2O |
| Mn | ⓘ Lithiophorite | (Al,Li)MnO2(OH)2 |
| Fe | Iron | |
| Fe | ⓘ Awaruite | Ni3Fe |
| Fe | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | ⓘ Goethite | Fe3+O(OH) |
| Fe | ⓘ Hematite | Fe2O3 |
| Fe | ⓘ Maghemite | (Fe3+0.67◻0.33)Fe23+O4 |
| Fe | ⓘ Pentlandite | (NixFey)Σ9S8 |
| Co | Cobalt | |
| Co | ⓘ Asbolane | (Ni,Co)2-xMn4+(O,OH)4 · nH2O |
| Ni | Nickel | |
| Ni | ⓘ Asbolane | (Ni,Co)2-xMn4+(O,OH)4 · nH2O |
| Ni | ⓘ Awaruite | Ni3Fe |
| Ni | ⓘ Millerite | NiS |
| Ni | ⓘ Pentlandite | (NixFey)Σ9S8 |
| Ru | Ruthenium | |
| Ru | ⓘ Laurite | RuS2 |
Other Regions, Features and Areas containing this locality
Caribbean PlateTectonic Plate
North America
- Central AmericaSubregion
North America Plate
- Greater Antilles ArcVolcanic Arc
The CaribbeanRegion
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References
[2]Farré-de-Pablo, Júlia, Proenza, Joaquín A., González-Jiménez, José María, Aiglsperger, Thomas, Garcia-Casco, Antonio, Escuder-Viruete, Javier, Colás, Vanessa, Longo, Francisco (2020) Ophiolite hosted chromitite formed by supra-subduction zone peridotite –plume interaction. Geoscience Frontiers, 11 (6) 2083-2102 doi:10.1016/j.gsf.2020.05.005
[1]Domènech, Cristina, Villanova-de-Benavent, Cristina, Proenza, Joaquín A., Tauler, Esperança, Lara, Laura, Galí, Salvador, Soler, Josep M., Campeny, Marc, Ibañez-Insa, Jordi (2022) Co–Mn Mineralisations in the Ni Laterite Deposits of Loma Caribe (Dominican Republic) and Loma de Hierro (Venezuela) Minerals, 12 (8) 927 doi:10.3390/min12080927
