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Roraima Sur Cave System, Gran Sabana Municipality, Bolívar, Venezuelai
Regional Level Types
Roraima Sur Cave SystemGroup of Caves
Gran Sabana MunicipalityMunicipality
BolívarState
VenezuelaCountry

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Latitude & Longitude (WGS84):
5° 8' 35'' North , 60° 45' 45'' West
Latitude & Longitude (decimal):
5.14333,-60.76250
GRN:
N04W43
Type:
Group of Caves
Age:
1600 to 1000 Ma
Geologic Time:
Mesoproterozoic
Köppen climate type:
Af : Tropical rainforest climate
Mindat Locality ID:
258450
Long-form identifier:
mindat:1:2:258450:1
GUID (UUID V4):
0


Quartzite cave.

The Roraima Sur System is located on the summit of the Roraima table mountain (Tepui) (2,810 m above sea level), to the south of the border between Venezuela, Brazil, and Guyana.

The only means of access is by walking approximately 40 km with 2,000 m of vertical climbing over two days.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


4 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:

ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Native Aluminium
Formula: Al
Habit: The mineral appears as 80-150 μm specks formed by agglomerates of 2 to 8 μm curved flake crystals with thickness of about 0.1 μm.
Description: X-Ray Diffraction Scanning Electron Microscopy and Scanning Auger Microscopy
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Pyrophyllite
Formula: Al2Si4O10(OH)2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Aluminium1.AA.05Al
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘOpal4.DA.10SiO2 · nH2O
Group 9 - Silicates
ⓘPyrophyllite9.EC.10Al2Si4O10(OH)2

List of minerals for each chemical element

HHydrogen
Hⓘ GoethiteFe3+O(OH)
Hⓘ OpalSiO2 · nH2O
Hⓘ PyrophylliteAl2Si4O10(OH)2
OOxygen
Oⓘ GoethiteFe3+O(OH)
Oⓘ OpalSiO2 · nH2O
Oⓘ PyrophylliteAl2Si4O10(OH)2
AlAluminium
Alⓘ Native AluminiumAl
Alⓘ PyrophylliteAl2Si4O10(OH)2
SiSilicon
Siⓘ OpalSiO2 · nH2O
Siⓘ PyrophylliteAl2Si4O10(OH)2
FeIron
Feⓘ GoethiteFe3+O(OH)

Other Regions, Features and Areas containing this locality

South AmericaContinent
South America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Galán, C., Herrera, F., Carreño, R., & Pérez, M. (2004) Roraima Sur System, Venezuela: 10.8 km, world's longest quartzite cave. Boletin de la Sociedad Venezolana de Espeleologia, 38, 53-60.
Urbani, Franco, Onac, Bogdan P. (2017) A Native Aluminum Occurrence in Roraima South Cave, Venezuela. 17th International Congress of Speleology, I, 272. Australian Speleological Federation Inc.
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