1996
DOI: 10.1180/minmag.1996.060.399.04
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Variations in F and Cl contents in apatites from magnetite—apatite ores in northern chile, and their ore-genetic implications

Abstract: Magnetite-apatite deposits associated with the Atacama Fault Zone of northern Chile are interpreted here, on field criteria, as being the products either of hydrothermal fluids with a strong magmatic signature, or of latestage Fe-rich magmas mixed with an aqueous fluid. Even in the Chilean iron belt, apatite-rich magnetite deposits are a rarity. Variations in F-and C1-contents in apatites, strongly zoned with respect to halogens, are indicative of primary variations in fHF and fHCI in the hydrothermal fluids. … Show more

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Cited by 42 publications
(23 citation statements)
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“…Meanwhile, several localizations of sodium and potassium niters are known over the coastal continental heights of Chile, Bolivia, California, etc. (Frye 1982;Ericksen 1983) and localizations of apatite are available over Northern Chile, Brasil, and Mexico (Treloor and Colley 1996). All these deposits are rather extensive and their origin gives rise to a lot of talk.…”
Section: Something About the Natural Dna And Rna Sourcesmentioning
confidence: 97%
“…Meanwhile, several localizations of sodium and potassium niters are known over the coastal continental heights of Chile, Bolivia, California, etc. (Frye 1982;Ericksen 1983) and localizations of apatite are available over Northern Chile, Brasil, and Mexico (Treloor and Colley 1996). All these deposits are rather extensive and their origin gives rise to a lot of talk.…”
Section: Something About the Natural Dna And Rna Sourcesmentioning
confidence: 97%
“…2). Its inferred shape, ascertained from the open pit, is defined by the intersection of W-E subvertical faults and N-S trending sets of dip slip faults (Treloar and Colley, 1996).…”
Section: Carmen Minementioning
confidence: 99%
“…Similar textures have been reported from several other IOA type deposits in the Bafq district, including Se-Chahun (cf. [36]) and Gazestan [48], from Chilean IOA deposits [49], and from Yangtze Valley Mesozoic IOCG-IOA deposits, China [42]. Apatite also occurs as euhedral crystals enclosed in magnetite in the central parts of the veins (Figure 5b).…”
Section: Mav-host Rock Typementioning
confidence: 99%