2006
DOI: 10.18268/bsgm2006v58n1a3
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Procesos de mineralización en manantiales hidrotermales submarinos someros. Ejemplos en México

Abstract: ResumenEl estudio geoquímico y mineralógico realizado en varias localidades con manantiales hidrotermales submarinos someros (emplazados a menos de 200 mbnm) sugiere que este tipo de actividad puede haber generado yacimientos importantes de óxidos, sulfuros y metales preciosos. La relevancia del estudio de estos sistemas de manantiales reside en el hecho de que, además de ser los análogos actuales de algunos depósitos metalíferos de interés económico, éstos soportan ecosistemas especializados, caracterizados p… Show more

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Cited by 7 publications
(7 citation statements)
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References 106 publications
(157 reference statements)
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“…The hydrothermal activity in the shallow submarine hydrothermal system at Punta Mita (SSHSPM), located in Las Coronas fissure [1] in Banderas Bay, can be appreciated from the sea surface, due to the presence of gas bubbles rising from the seabed and bursting in contact with the surface. It is located in continental margins affected by tectonic extension processes with a high geothermal gradient [2], and it is not related to volcanic activity, as with most shallow submarine hydrothermal systems on the planet [3]. Hydrothermal activity takes place on basaltic rock fissures partially covered by uncemented sediments, and the discharges consist of gas and water, which reach temperatures of up to 85 • C [2].…”
Section: Introductionmentioning
confidence: 99%
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“…The hydrothermal activity in the shallow submarine hydrothermal system at Punta Mita (SSHSPM), located in Las Coronas fissure [1] in Banderas Bay, can be appreciated from the sea surface, due to the presence of gas bubbles rising from the seabed and bursting in contact with the surface. It is located in continental margins affected by tectonic extension processes with a high geothermal gradient [2], and it is not related to volcanic activity, as with most shallow submarine hydrothermal systems on the planet [3]. Hydrothermal activity takes place on basaltic rock fissures partially covered by uncemented sediments, and the discharges consist of gas and water, which reach temperatures of up to 85 • C [2].…”
Section: Introductionmentioning
confidence: 99%
“…It is located in continental margins affected by tectonic extension processes with a high geothermal gradient [2], and it is not related to volcanic activity, as with most shallow submarine hydrothermal systems on the planet [3]. Hydrothermal activity takes place on basaltic rock fissures partially covered by uncemented sediments, and the discharges consist of gas and water, which reach temperatures of up to 85 • C [2]. According to Canet and Prol-Ledesma [2], this hydrothermal activity affects an area greater than 1 km 2 at a depth of approximately 10 m. The oceanic environment of SSHSPM is influenced by four main currents: the California current, reflux from the Gulf of California, the north equatorial current, and the coastal current from Costa Rica [4].…”
Section: Introductionmentioning
confidence: 99%
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“…According to Canet and Prol-Ledesma [14], in Mexico there are three shallow submarine hydrothermal ventings, one of which is at Punta Mita, Nayarit, where anomalously high heat flow values have been calculated [15]. The study area is part of a shallow submarine hydrothermal system at Punta Mita (SSHSPM), in the Las Coronas fissure [16,17]. The hydrothermal discharges reach temperatures up to 89 • C. The emanated gas is composed mainly of N 2 (88%) and CH 4 (12%), and the fluids are less saline than seawater and significantly enriched in Si, Ca, Li, B, Ba, Rb, Fe, Mn, and As [18].…”
Section: Introductionmentioning
confidence: 99%