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Martin, Andrew J., Jamieson, John W., Ronde, Cornel E.J., Humphris, Susan E., Roberts, Stephen, MacLeod, Christopher J., Cai, Yuanfeng, Zhang, Chao, Schlicht, Lucy E.M., Nozaki, Tatsuo (2023) Hydrothermal Alteration Within the Brothers Submarine Arc Volcano, Kermadec Arc, New Zealand. Economic Geology, 118 (7) 1657-1679 doi:10.5382/econgeo.4962

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Reference TypeJournal (article/letter/editorial)
TitleHydrothermal Alteration Within the Brothers Submarine Arc Volcano, Kermadec Arc, New Zealand
JournalEconomic Geology
AuthorsMartin, Andrew J.Author
Jamieson, John W.Author
Ronde, Cornel E.J.Author
Humphris, Susan E.Author
Roberts, StephenAuthor
MacLeod, Christopher J.Author
Cai, YuanfengAuthor
Zhang, ChaoAuthor
Schlicht, Lucy E.M.Author
Nozaki, TatsuoAuthor
Year2023 (November)Volume<   118   >
Page(s)1657-1679Issue<   7   >
URL
DOIdoi:10.5382/econgeo.4962Search in ResearchGate
Classification
Not set
LoC
Not set
Mindat Ref. ID16946559Long-form Identifiermindat:1:5:16946559:1
GUID4a1c8be6-058b-4ac7-aad0-16ba9f83e1a6
Full ReferenceMartin, Andrew J., Jamieson, John W., Ronde, Cornel E.J., Humphris, Susan E., Roberts, Stephen, MacLeod, Christopher J., Cai, Yuanfeng, Zhang, Chao, Schlicht, Lucy E.M., Nozaki, Tatsuo (2023) Hydrothermal Alteration Within the Brothers Submarine Arc Volcano, Kermadec Arc, New Zealand. Economic Geology, 118 (7) 1657-1679 doi:10.5382/econgeo.4962
Plain TextMartin, Andrew J., Jamieson, John W., Ronde, Cornel E.J., Humphris, Susan E., Roberts, Stephen, MacLeod, Christopher J., Cai, Yuanfeng, Zhang, Chao, Schlicht, Lucy E.M., Nozaki, Tatsuo (2023) Hydrothermal Alteration Within the Brothers Submarine Arc Volcano, Kermadec Arc, New Zealand. Economic Geology, 118 (7) 1657-1679 doi:10.5382/econgeo.4962
InLink this record to the correct parent record (if possible)
Abstract/NotesThe hydrothermally active Brothers volcano on the Kermadec arc, New Zealand, hosts two geochemically distinct hydrothermal systems within a single caldera. At the NW Caldera, metal-sulfide–rich black smoker spires form on the caldera wall. In contrast, Fe-rich crusts and native sulfur-rich chimneys occur at the resurgent central Upper Cone. Previous studies have revealed that the contrasting styles of hydrothermalism relate to the variable contribution of magmatic volatiles between these sites, with the Upper Cone experiencing relatively higher amounts of magmatic volatile influx. We present results of a study of the hydrothermal alteration within Brothers volcano based on core samples to a depth of 453 meters below sea floor (mbsf) from both the Upper Cone (Site U5128) and NW Caldera sites (Site U1527 and U1530), drilled by the International Ocean Discovery Program. The dacitic to rhyolitic breccias that make up the volcano are variably altered to alteration mineral assemblages consisting of chlorite + quartz, illite + pyrophyllite, natroalunite + pyrophyllite, and smectite-rich assemblages. The distribution and textures of the alteration minerals within and between different sites at Brothers volcano reflect variations in temperature, fluid pH, and fluid flux. We find that natroalunite only occurs at the Upper Cone, while alteration at the NW Caldera is more diverse and is characterized by both chlorite and pyrophyllite-rich alteration, indicating that seawater-derived hydrothermal fluids overprinted earlier magmatic volatile-influenced alteration. Our data indicate that in magmatic volatile-dominated systems, the alteration mineralogy transitions from natroalunite to pyrophyllite-rich with increasing age or maturity. This is accompanied by a distinct change in sample texture from dominantly bleached selvages to a more massive, equigranular texture.

References Listed

These are the references the publisher has listed as being connected to the article. Please check the article itself for the full list of references which may differ. Not all references are currently linkable within the Digital Library.

Alt (1995) Series Subseafloor processes in mid-ocean ridge hydrothermal systems: American Geophysical Union, Monograph 91, 85
Arribas (1995) Series Characteristics of high-sulfidation epithermal deposits, and their relation to magmatic fluid: Mineralogical Association of Canada, Short Course 23, 419
Not Yet Imported: Proceedings of the Ocean Drilling Program, 194 Scientific Results - book-chapter : 10.2973/odp.proc.sr.193.201.2007

If you would like this item imported into the Digital Library, please contact us quoting Journal ID
Not Yet Imported: Proceedings of the International Ocean Discovery Program - monograph : 10.14379/iodp.proc.376.2019

If you would like this item imported into the Digital Library, please contact us quoting Journal ID
Not Yet Imported: Proceedings of the International Ocean Discovery Program - monograph : 10.14379/iodp.proc.376.2019

If you would like this item imported into the Digital Library, please contact us quoting Journal ID
Not Yet Imported: Proceedings of the International Ocean Discovery Program - monograph : 10.14379/iodp.proc.376.2019

If you would like this item imported into the Digital Library, please contact us quoting Journal ID
Not Yet Imported: Brothers Arc Flux - book-chapter : 10.14379/iodp.proc.376.104.2019

If you would like this item imported into the Digital Library, please contact us quoting Journal ID
Not Yet Imported: Brothers Arc Flux - book-chapter : 10.14379/iodp.proc.376.102.2019

If you would like this item imported into the Digital Library, please contact us quoting Journal ID
Not Yet Imported: Backarc Basins - book-chapter : 10.1007/978-1-4615-1843-3_2

If you would like this item imported into the Digital Library, please contact us quoting Book ID 9781461357476
Hedenquist (1996) Epithermal gold deposits: Styles, characteristics, and exploration: Society of Resource Geology
Hedenquist (2000) Economic Geology Exploration for epithermal gold deposits: Reviews in 13, 245
Lowell (2003) Journal of Geophysical Research: Solid Earth Anhydrite precipitation and the relationship between focused and diffuse flow in seafloor hydrothermal systems v. 108, 2424
Reyes, A.G. , 2003, Petrographic evaluation of dredged samples from the Brothers, Macauley and Giggenbach submarine volcanoes, Kermadec arc: Institute of Geological and Nuclear Sciences limited, Science Report 2003/29, p. 47.

Map of Localities

Locality Pages

LocalityCitation Details
Brothers Volcano, Kermadec Islands, New Zealand Outlying Islands, New Zealand

Mineral Occurrences

LocalityMineral(s)
Brothers Volcano, Kermadec Islands, New Zealand Outlying Islands, New Zealand Anhydrite, Baryte, Breccia, Chlorite Group, Cristobalite, Dacite, Diaspore, Goethite, Gypsum, Illite, Ilmenite, Lapillistone, Leucoxene, Limonite, Magnetite, Microlite Group, Mordenite, Muscovite, Natroalunite, Opal, Palagonite, Plagioclase, Pyrite, Pyrophyllite, Pyroxene Group, Quartz, Rutile, Smectite Group, Sphalerite, Sulphur, Titanium-bearing Magnetite, Zunyite


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