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IODP Site U1530

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Journal Article
Journal: Economic Geology
Published: 01 November 2023
Economic Geology (2023) 118 (7): 1741–1760.
... Station, TX (International Ocean Discovery Program) , https://doi.org/10.14379/iodp.proc.376.106.2019 . de Ronde , C.E.J. , Humphris , S.E. , Höfig , T.W. and the IODP Expedition 376 Scientists , 2019 d, Site U1530 , in de Ronde , C.E.J. , Humphris , S.E. , Höfig , T.W...
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Journal Article
Journal: Economic Geology
Published: 01 November 2023
Economic Geology (2023) 118 (7): 1605–1627.
... Program (IODP) drill sites (black dots). Inset shows the tectonic setting and location of Brothers volcano in the Havre Trough, between the Colville and Kermadec ridges, along the active volcanic arc front (dashed black line). The location of the subduction trench is indicated by the line with teeth...
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Journal Article
Journal: Economic Geology
Published: 01 November 2023
Economic Geology (2023) 118 (7): 1537–1547.
... to discharge at Brothers volcano: Sites U1527 and U1530 in the NW Caldera seawater-influenced hydrothermal field; Sites U1528 and U1531 in the magmatic fluid-influenced hydrothermal fields of the Upper and Lower Cones, respectively; and Site U1529, located within an area of low crustal magnetization that marks...
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Image
Map showing high-resolution (2 m) bathymetry of the caldera walls and resur...
Published: 01 November 2023
. International Ocean Discovery Program (IODP) drill sites referred to throughout the special issue include U1527, U1528, U1529, U1530, and U1531 with several holes drilled at each site (see Table 2 ). White box is the outline for the center of Figure 3 . Transverse mercator projection, central meridian = 179°E.
Journal Article
Journal: Economic Geology
Published: 01 November 2023
Economic Geology (2023) 118 (7): 1629–1655.
... of Brothers volcano and its environs (after Embley et al., 2012 ), and the location of sites drilled during IODP Expedition 376. Labels designate North fault (NF), South fault (SF), North rift zone (NRZ), Upper Cone (UC), Lower Cone (LC), NW Caldera (NWC), W caldera (WC), and regional tectonic ridge (RTR...
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Journal Article
Journal: Economic Geology
Published: 01 November 2023
Economic Geology (2023) 118 (7): 1719–1739.
...- to a more rock-dominated system with increasing depth. In contrast, the downhole variations of δ 11 B at Snowcap as well as δ 11 B and δ 18 O variations at the NW Caldera (Site U1530) of Brothers volcano are suggested to indicate changes in water-rock ratios and, in the latter case, also temperature...
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Image
Alteration patterns, lithostratigraphy (after  de Ronde et al., 2019e ), an...
Published: 01 November 2023
) analyses of International Ocean Discovery Program (IODP) Expedition 376, modified after de Ronde et al. ( 2019d ). Boreholes were projected to the cross section. B-D) B concentrations and isotope compositions of altered rocks, Sites U1527, U1528, and U1530, respectively. The symbols are the same
Journal Article
Journal: Economic Geology
Published: 01 November 2023
Economic Geology (2023) 118 (7): 1657–1679.
...: NW Caldera rim (Site U1527), NW Caldera wall (Site U1530), and Upper Cone (Site U1528). See Table 1 for operations summary (after Embley et al., 2012 ). Our interpretation builds upon mineralogical data collected during International Ocean Discovery Program (IODP) Expedition 376 “Brothers...
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Journal Article
Journal: Geology
Published: 06 June 2019
Geology (2019) 47 (8): 762–766.
... Program (IODP) Expedition 376 ( de Ronde et al., 2019a ) drilled five sites on Brothers volcano between May and July 2018, recovering 222.4 m of core that consists largely of dacitic volcaniclastics (breccia) and lava flows. Alteration is pervasive, and mineral assemblages are complex and variable...
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Journal Article
Journal: Economic Geology
Published: 01 November 2023
Economic Geology (2023) 118 (7): 1681–1697.
... forming. In 2018, International Ocean Discovery Program (IODP) Expedition 376 recovered drill cores from an active hydrothermal field at Brothers volcano, in the Kermadec arc. These provide insight into the formation of mineral deposits along arcs, the structure and permeability of hydrothermal sites...
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Journal Article
Journal: Economic Geology
Published: 01 November 2023
Economic Geology (2023) 118 (7): 1577–1604.
...) and the basin north of Brothers (TAN1213 DR47) are marked by purple dots. C) Close-up of Brothers volcano and the Brothers W ridge (BWR) with labeled International Ocean Discovery Program (IODP) drill sites (e.g., U1527). In this contribution, we present new data of unaltered samples from scientific...
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Journal Article
Journal: Geophysics
Published: 22 March 2024
Geophysics (2024) 89 (3): V253–V261.
... IODP. The formations beneath the sea water are composed of igneous rocks ( de Ronde et al., 2019 ) and the data collection site is located on a narrow bench on the NW Caldera site at Brothers Volcano, 400 km northeast of New Zealand ( Caratori Tontini et al. [2019] , see also Figure  4a ). Panel 1...
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