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Meetiyagoda (Mitiyagoda), Southern Province, Sri Lanka

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Key
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Latitude & Longitude (WGS84): 6° 11' 54'' North , 80° 5' 50'' East
Latitude & Longitude (decimal): 6.19833,80.09722
GeoHash:G#: tc0gq8m5b
Köppen climate type:Af : Tropical rainforest climate


Major moonstone producer from a weathered pegmatite.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


4 valid minerals.

Detailed Mineral List:

Graphite
Formula: C
Reference: Andrey Vishnevskiy (Novosibirsk State University) specimens
Marcasite
Formula: FeS2
Reference: Dissanayake, C. B., Chandrajith, R. O. H. A. N. A., & Tobschall, H. J. (2000). The geology, mineralogy and rare element geochemistry of the gem deposits of Sri Lanka. BULLETIN-GEOLOGICAL SOCIETY OF FINLAND, 72(1/2), 5-20.
'Moonstone'
Reference: Dissanayake, C. B., Chandrajith, R. O. H. A. N. A., & Tobschall, H. J. (2000). The geology, mineralogy and rare element geochemistry of the gem deposits of Sri Lanka. BULLETIN-GEOLOGICAL SOCIETY OF FINLAND, 72(1/2), 5-20.
Opal
Formula: SiO2 · nH2O
Reference: Dissanayake, C. B., Chandrajith, R. O. H. A. N. A., & Tobschall, H. J. (2000). The geology, mineralogy and rare element geochemistry of the gem deposits of Sri Lanka. BULLETIN-GEOLOGICAL SOCIETY OF FINLAND, 72(1/2), 5-20.
Quartz
Formula: SiO2
Reference: Dissanayake, C. B., Chandrajith, R. O. H. A. N. A., & Tobschall, H. J. (2000). The geology, mineralogy and rare element geochemistry of the gem deposits of Sri Lanka. BULLETIN-GEOLOGICAL SOCIETY OF FINLAND, 72(1/2), 5-20.
Quartz var: Smoky Quartz
Formula: SiO2
Reference: Dissanayake, C. B., Chandrajith, R. O. H. A. N. A., & Tobschall, H. J. (2000). The geology, mineralogy and rare element geochemistry of the gem deposits of Sri Lanka. BULLETIN-GEOLOGICAL SOCIETY OF FINLAND, 72(1/2), 5-20.
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Dissanayake, C. B., Chandrajith, R. O. H. A. N. A., & Tobschall, H. J. (2000). The geology, mineralogy and rare element geochemistry of the gem deposits of Sri Lanka. BULLETIN-GEOLOGICAL SOCIETY OF FINLAND, 72(1/2), 5-20.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Graphite'1.CB.05aC
Group 2 - Sulphides and Sulfosalts
'Marcasite'2.EB.10aFeS2
Group 4 - Oxides and Hydroxides
'Opal'4.DA.10SiO2 · nH2O
'Quartz'4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Unclassified Minerals, Rocks, etc.
'Moonstone'-
Tourmaline-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Graphite1.3.6.2C
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Marcasite2.12.2.1FeS2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Unclassified Minerals, Rocks, etc.
'Moonstone'-
Quartz
var: Smoky Quartz
-SiO2
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H OpalSiO2 · nH2O
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
CCarbon
C GraphiteC
OOxygen
O OpalSiO2 · nH2O
O QuartzSiO2
O Quartz (var: Smoky Quartz)SiO2
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
SiSilicon
Si OpalSiO2 · nH2O
Si QuartzSiO2
Si Quartz (var: Smoky Quartz)SiO2
SSulfur
S MarcasiteFeS2
FeIron
Fe MarcasiteFeS2

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

Precambrian
541 - 4000 Ma



ID: 3189863
Precambrian crystalline metamorphic rocks

Age: Precambrian (541 - 4000 Ma)

Lithology: Crystalline metamorphic 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

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Dissanayake, C. B., Chandrajith, R. O. H. A. N. A., & Tobschall, H. J. (2000). The geology, mineralogy and rare element geochemistry of the gem deposits of Sri Lanka. BULLETIN-GEOLOGICAL SOCIETY OF FINLAND, 72(1/2), 5-20.

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