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Quartz from Bolívar, Venezuela

Venezuela
 
  • Bolívar
Woolley, A. R. (1987) Alkaline Rocks and Carbonatites of the World. Part 1: North and South America.
    • El Callao Municipality
Padoan, M., Rossetti, P., & Rubatto, D. (2014). The Choco 10 gold deposit (El Callao, Bolivar State, Venezuela): Petrography, geochemistry and U–Pb geochronology. Precambrian Research, 252, 22-38.
Velásquez, G., Salvi, S., Siebenaller, L., Béziat, D., & Carrizo, D. (2018). Control of Shear-Zone-Induced Pressure Fluctuations on Gold Endowment: The Giant El Callao District, Guiana Shield, Venezuela. Minerals, 8(10), 430.
USGS Bull 2124
      • El Callao
Olcott, E. E. (1895) The Venezuelan Gold mines. Engineering and Mining Journal. p 404 December 12
    • Gran Sabana Municipality
      • Auyán-tepui (Auyán-tepuy; Ayan Tepui)
Sauro, F., De Waele, J., Forti, P., Ermanno, G., Vergara, F. (2013) Speleogenesi e speleotemi di opale della Cueva Guacamaya, Auyan Tepui, Gran Sabana, Venezuela. In: Cucchi, F., Gudi, P. (eds.), Atti del XXI Congresso Nazionale di Speleologia “Diffusione delle conoscenze”, Sessione Attività di esplorazione e ricerca. Trieste 2-5 giugno 2011. Edizioni Università di Trieste, Trieste, 461-469.
      • Chimantá Massif (Chimantha Massif)
Galli, E., Brigatti, M. F., Malferrari, D., Sauro, F., De Waele, J. (2013) Rossiantonite, Al3(PO4)(SO4)2(OH)2(H2O)10·4H2O, a new hydrated aluminum phosphate-sulfate mineral from Chimanta massif, Venezuela: Description and crystal structure. American Mineralogist, 98 (10) 1906-1913 doi:10.2138/am.2013.4393
      • Icabarú
USGS Bull 2124
Jordi Fabre photo
 
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