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Maratakka, Sipaliwini District, Surinamei
Regional Level Types
Maratakka- not defined -
Sipaliwini DistrictDistrict
SurinameCountry

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Latitude & Longitude (WGS84):
5° 11' 36'' North , 56° 54' 15'' West
Latitude & Longitude (decimal):
5.19361,-56.90444
GeoHash:
G#: d8zt917qy
GRN:
N04W40
KΓΆppen climate type:
Af : Tropical rainforest climate


Small metasedimentary hornfels xenoliths in a gabbroic body.

At Maratakka the sand-covered Precambrian basement is not exposed.

Drilling showed the basement to consist of a mafic body, a few kilometers in size, surrounded by granite, presumably with metasedimentary enclaves (Bosma et al., 1975).

The mafic body consists of quartz gabbro-norite and biotite-quartz diorite and is cut locally by granite veins.

The metasedimentary hornfels xenoliths in the gabbroic body contain, in addition to grandidierite, antiperthitic andesine, perthite, cordierite, biotite, spinel, magnetite, and minor corundum, apatite, zircon, and ilmenite.

Biotite forms poikiloblasts of random orientation in a fine-grained granoblastic matrix of andesine, perthite, and cordierite.

Magnetite and dark green spinel occur as small, euhedral crystals, partly enclosed in biotite, as aggregates in feldspar, and as irregular poikiloblastic masses.

Other xenoliths, without grandidierite, contain additional sillimanite (with or without quartz) and locally some andalusite.

In one sample a grandidierite-bearing hornfels occurs together with a hornfels of fine-grained, granoblastic andesine and poikiloblastic hypersthene.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


11 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

β“˜ Albite
Formula: Na(AlSi3O8)
Reference: De Roever, E.W.F. and Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist, vol. 61, 332-333.
β“˜ Albite var. Andesine
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Reference: De Roever, E.W.F. and Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist, vol. 61, 332-333.
β“˜ 'Alkali Feldspar'
Reference: De Roever, E.W.F. and Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist, vol. 61, 332-333.
β“˜ Andalusite
Formula: Al2(SiO4)O
Reference: De Roever, E.W.F. and Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist, vol. 61, 332-333.
β“˜ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: De Roever, E.W.F. and Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist, vol. 61, 332-333.
β“˜ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Reference: De Roever, E.W.F. and Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist, vol. 61, 332-333.
β“˜ Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Reference: De Roever, E.W.F. and Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist, vol. 61, 332-333.
β“˜ Corundum
Formula: Al2O3
Reference: De Roever, E.W.F. and Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist, vol. 61, 332-333.
β“˜ 'Feldspar Group'
Reference: De Roever, E.W.F. and Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist, vol. 61, 332-333.
β“˜ 'Feldspar Group var. Perthite'
Reference: De Roever, E.W.F. and Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist, vol. 61, 332-333.
β“˜ Grandidierite
Formula: (Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Habit: slender prismatic to fibrous or locally poikiloblastic, as sheaf-like aggregates in or near cordierite; as intergrowths with biotite, and as rims on magnetite and spinel. Only a poor {100} cleavage is present.
Reference: De Roever, E.W.F. and Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist, vol. 61, 332-333.
β“˜ 'Hypersthene'
Formula: (Mg,Fe)SiO3
Reference: De Roever, E.W.F. and Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist, vol. 61, 332-333.
β“˜ Ilmenite
Formula: Fe2+TiO3
Reference: De Roever, E.W.F. and Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist, vol. 61, 332-333.
β“˜ Magnetite
Formula: Fe2+Fe3+2O4
Reference: De Roever, E.W.F. and Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist, vol. 61, 332-333.
β“˜ 'Pyroxene Group'
Formula: ADSi2O6
Reference: De Roever, E.W.F. and Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist, vol. 61, 332-333.
β“˜ Quartz
Formula: SiO2
Reference: De Roever, E.W.F. and Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist, vol. 61, 332-333.
β“˜ Sillimanite
Formula: Al2(SiO4)O
Reference: De Roever, E.W.F. and Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist, vol. 61, 332-333.
β“˜ Spinel
Formula: MgAl2O4
Colour: dark green
Reference: De Roever, E.W.F. and Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist, vol. 61, 332-333.
β“˜ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
Reference: De Roever, E.W.F. and Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist, vol. 61, 332-333.
β“˜ Zircon
Formula: Zr(SiO4)
Reference: De Roever, E.W.F. and Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist, vol. 61, 332-333.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
β“˜Corundum4.CB.05Al2O3
β“˜Ilmenite4.CB.05Fe2+TiO3
β“˜Magnetite4.BB.05Fe2+Fe3+2O4
β“˜Quartz4.DA.05SiO2
β“˜Spinel4.BB.05MgAl2O4
Group 9 - Silicates
β“˜Albite9.FA.35Na(AlSi3O8)
β“˜var. Andesine9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
β“˜Andalusite9.AF.10Al2(SiO4)O
β“˜Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
β“˜Grandidierite9.AJ.05(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
β“˜Sillimanite9.AF.05Al2(SiO4)O
β“˜Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
β“˜'Alkali Feldspar'-
β“˜'Apatite'-Ca5(PO4)3(Cl/F/OH)
β“˜'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
β“˜'Feldspar Group'-
β“˜'var. Perthite'-
β“˜'Hypersthene'-(Mg,Fe)SiO3
β“˜'Pyroxene Group'-ADSi2O6
β“˜'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
Hβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Hβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
BBoron
Bβ“˜ Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Bβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
OOxygen
Oβ“˜ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Oβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Oβ“˜ SpinelMgAl2O4
Oβ“˜ MagnetiteFe2+Fe23+O4
Oβ“˜ CorundumAl2O3
Oβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
Oβ“˜ ZirconZr(SiO4)
Oβ“˜ IlmeniteFe2+TiO3
Oβ“˜ SillimaniteAl2(SiO4)O
Oβ“˜ AndalusiteAl2(SiO4)O
Oβ“˜ Hypersthene(Mg,Fe)SiO3
Oβ“˜ Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Oβ“˜ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Oβ“˜ Pyroxene GroupADSi2O6
Oβ“˜ QuartzSiO2
Oβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oβ“˜ AlbiteNa(AlSi3O8)
FFluorine
Fβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Fβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naβ“˜ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Naβ“˜ AlbiteNa(AlSi3O8)
MgMagnesium
Mgβ“˜ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Mgβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Mgβ“˜ SpinelMgAl2O4
Mgβ“˜ Hypersthene(Mg,Fe)SiO3
Mgβ“˜ Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
AlAluminium
Alβ“˜ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Alβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Alβ“˜ SpinelMgAl2O4
Alβ“˜ CorundumAl2O3
Alβ“˜ SillimaniteAl2(SiO4)O
Alβ“˜ AndalusiteAl2(SiO4)O
Alβ“˜ Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Alβ“˜ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Alβ“˜ AlbiteNa(AlSi3O8)
SiSilicon
Siβ“˜ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Siβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Siβ“˜ ZirconZr(SiO4)
Siβ“˜ SillimaniteAl2(SiO4)O
Siβ“˜ AndalusiteAl2(SiO4)O
Siβ“˜ Hypersthene(Mg,Fe)SiO3
Siβ“˜ Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Siβ“˜ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Siβ“˜ Pyroxene GroupADSi2O6
Siβ“˜ QuartzSiO2
Siβ“˜ AlbiteNa(AlSi3O8)
PPhosphorus
Pβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Clβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
CaCalcium
Caβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
Caβ“˜ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
TiTitanium
Tiβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Tiβ“˜ IlmeniteFe2+TiO3
FeIron
Feβ“˜ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Feβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2
Feβ“˜ MagnetiteFe2+Fe23+O4
Feβ“˜ IlmeniteFe2+TiO3
Feβ“˜ Hypersthene(Mg,Fe)SiO3
Feβ“˜ Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
ZrZirconium
Zrβ“˜ ZirconZr(SiO4)

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Bosma, W., Lokhorst, A., De Roever, E.W.F. (1975) Geophysical, geochemical, and geological characteristics of some De Goeje-type gabbroic bodies. Mededelingen van de Geologisch Mijnbouwkundige Dienst Suriname: 23.
De Roever, E.W.F., Kieft, C. (1976) Grandidierite of contact-metamorphic origin from Maratakka, northwest Surinam. American Mineralogist: 61(3-4): 332-333.

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