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Logatchev-1 hydrothermal field, Mid-Atlantic Ridge complex, Atlantic Ocean

Latitude: 14°45'1"N
Longitude: 44°58'7"W
Ultramafic-hosted field, consisting of active high-temperature vents located either on top of small mounds or associated with so-called smoking craters, a feature that is unique to this locality.

Mineral List

Albite
Amphibole Supergroup
Anhydrite
Anilite
Anorthite
Aragonite
Atacamite
Baryte
Bornite
Brochantite
Calcite
Chabazite-Ca
Chalcocite
Chalcopyrite
'Chlorite Group'
Chrysotile
Clinoatacamite
Cobaltpentlandite
Copper
var: Auriferous Zincian Copper

Covellite
Devilline ?
Digenite
Djurleite
Dolomite
Geerite
Goethite
Gypsum
Hematite
Illite
Isocubanite
Jonesite ?
Kaolinite
Magnesite
Marcasite
Nontronite
Paratacamite
Pyrite
Pyrochroite
Quartz
Roxbyite
Siderite
'Smectite Group'
Sphalerite
Spionkopite
Talc
Tenorite
Trevorite ?
Yarrowite


48 entries listed. 45 valid minerals.

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References

- Mozgova, N.N., Krasnov, S.G., Batuyev, B.N. Borodaev, Y.S., Efimov, A.V., Markov, V.F., and Stephanova, T.V. (1996): The first report of cobalt pentlandite from a Mid-Atlantic Ridge hydrothermal deposit. Canadian Mineralogist 34, 23-28.
- Gablina, I.F., Semkova, T.A., Stepanova, T.V., and Gor'kova, N.V. (2006): Diagenetic Alterations of Copper Sulfides in Modern Ore-Bearing Sediments of the Logatchev-1 Hydrothermal Field (Mid-Atlantic Ridge 14°45'N). Lithology and Mineral Resources 41(1), 27-44.
- Pašava, J., Vymazalová, A., and Petersen, S. (2007): PGE fractionation in seafloor hydrothermal systems: examples from mafic- and ultramafic-hosted hydrothermal fields at the slow-spreading Mid-Atlantic Ridge. Mineralium Deposita 42, 423-431.

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Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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