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Rio Maria III Mine, Gilé, Gilé District, Zambezia Province, Mozambiquei
Regional Level Types
Rio Maria III MineMine
Gilé- not defined -
Gilé DistrictDistrict
Zambezia ProvinceProvince
MozambiqueCountry

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Latitude & Longitude (WGS84): 16° 7' South , 38° 1' East
Latitude & Longitude (decimal): -16.11667,38.01667
GeoHash:G#: kv5h344cs
Locality type:Mine
Köppen climate type:Aw : Tropical savanna, wet


Emeralds in biotite-phlogopite-talc schists which formed from alteration of Precambrian ultramafic rocks.
Located 1 km west of Mt Uapé (678 m) and 20 km NE of Morrua.
Called Maria III emerald mine by Schappmann (2005).

Regions containing this locality

Somali Plate (Somalia Plate)Tectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


7 valid minerals.

Detailed Mineral List:

'Albite-Anorthite Series'
Reference: Groat, L.A., Giuliani, G., Marshall, D.D., and Turner, D. (2008): Ore Geology Reviews 34, 87-112.
'Apatite'
Reference: Groat, L.A., Giuliani, G., Marshall, D.D., and Turner, D. (2008): Ore Geology Reviews 34, 87-112.
Beryl
Formula: Be3Al2(Si6O18)
Reference: Groat, L.A., Giuliani, G., Marshall, D.D., and Turner, D. (2008): Ore Geology Reviews 34, 87-112.
Beryl var: Emerald
Formula: Be3Al2(Si6O18)
Reference: Groat, L.A., Giuliani, G., Marshall, D.D., and Turner, D. (2008): Ore Geology Reviews 34, 87-112.
'Biotite'
Reference: Martins da Pedra
Calcite
Formula: CaCO3
Reference: Groat, L.A., Giuliani, G., Marshall, D.D., and Turner, D. (2008): Ore Geology Reviews 34, 87-112.
Fluorite
Formula: CaF2
Reference: Groat, L.A., Giuliani, G., Marshall, D.D., and Turner, D. (2008): Ore Geology Reviews 34, 87-112.
Molybdenite
Formula: MoS2
Reference: Groat, L.A., Giuliani, G., Marshall, D.D., and Turner, D. (2008): Ore Geology Reviews 34, 87-112.
Pyrite
Formula: FeS2
Reference: Groat, L.A., Giuliani, G., Marshall, D.D., and Turner, D. (2008): Ore Geology Reviews 34, 87-112.
Quartz
Formula: SiO2
Reference: Groat, L.A., Giuliani, G., Marshall, D.D., and Turner, D. (2008): Ore Geology Reviews 34, 87-112.
Quartz var: Citrine
Formula: SiO2
Scheelite
Formula: Ca(WO4)
Description: Crystals to 5cm
Reference: Groat, L.A., Giuliani, G., Marshall, D.D., and Turner, D. (2008): Ore Geology Reviews 34, 87-112.
'Stilbite subgroup'
Reference: Groat, L.A., Giuliani, G., Marshall, D.D., and Turner, D. (2008): Ore Geology Reviews 34, 87-112.
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: Citrine4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
Beryl9.CJ.05Be3Al2(Si6O18)
var: Emerald9.CJ.05Be3Al2(Si6O18)
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Apatite'-
'Biotite'-
'Stilbite subgroup'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Scheelite48.1.2.1Ca(WO4)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-
'Apatite'-
Beryl
var: Emerald
-Be3Al2(Si6O18)
'Biotite'-
Quartz
var: Citrine
-SiO2
'Stilbite subgroup'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

BeBeryllium
Be Beryl (var: Emerald)Be3Al2(Si6O18)
Be BerylBe3Al2(Si6O18)
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
CCarbon
C CalciteCaCO3
OOxygen
O Beryl (var: Emerald)Be3Al2(Si6O18)
O QuartzSiO2
O Quartz (var: Citrine)SiO2
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O CalciteCaCO3
O ScheeliteCa(WO4)
O BerylBe3Al2(Si6O18)
FFluorine
F FluoriteCaF2
AlAluminium
Al Beryl (var: Emerald)Be3Al2(Si6O18)
Al BerylBe3Al2(Si6O18)
SiSilicon
Si Beryl (var: Emerald)Be3Al2(Si6O18)
Si QuartzSiO2
Si Quartz (var: Citrine)SiO2
Si BerylBe3Al2(Si6O18)
SSulfur
S MolybdeniteMoS2
S PyriteFeS2
CaCalcium
Ca CalciteCaCO3
Ca FluoriteCaF2
Ca ScheeliteCa(WO4)
FeIron
Fe PyriteFeS2
MoMolybdenum
Mo MolybdeniteMoS2
WTungsten
W ScheeliteCa(WO4)

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

Stenian - Ectasian
1000 - 1400 Ma



ID: 3184723
Mesoproterozoic crystalline metamorphic rocks

Age: Mesoproterozoic (1000 - 1400 Ma)

Lithology: Migmatite; orthogneiss/paragneiss

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]

Mesoproterozoic
1000 - 1600 Ma



ID: 3308549

Age: Mesoproterozoic (1000 - 1600 Ma)

Lithology: Plutonic and metamorphic

Reference: Thiéblemont, D. (ed.). New edition of the 1:10,000,000 geological map of Africa. CGMW-BRGM. [190]

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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
- Schappmann, J. (2005): Die gruben Morrua, Marropino und Maria III in der Pegmatitregion Alto Ligonha im Norden von Mozambique. Mineralien-Welt 16 (2): 34-46
- Groat, L.A., Giuliani, G., Marshall, D.D., and Turner, D. (2008): Emerald deposits and occurrences: A review. Ore Geology Reviews 34, 87-112.


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