Heat flow through a basaltic outcrop on a sedimented young ridge flank
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چکیده
منابع مشابه
Heat flow through a basaltic outcrop on a sedimented young ridge flank
[1] One hundred seven thermal gradients were measured in shallow surface sediments using the submersible Alvin within a 0.5 km area on and around the 65-m-high, mostly sediment-covered Baby Bare outcrop located on the eastern flank of the Juan de Fuca Ridge. Heat flow values range from 0.35 W m , which is close to the average value (0.27 W m ) for the sediment-buried 3.5-Myr-old crust surroundi...
متن کاملThree-dimensional modeling of outcrop-to-outcrop hydrothermal circulation on the eastern flank of the Juan de Fuca Ridge
We present three-dimensional simulations of coupled fluid and heat transport in the ocean crust, to explore patterns and controls on ridge-flank hydrothermal circulation on the eastern flank of the Juan de Fuca Ridge. Field studies have shown that there is large-scale fluid flow in the volcanic ocean crust in this region, including local convection and circulation between two basement outcrops ...
متن کاملMassive, low-temperature hydrothermal flow from a basaltic outcrop on 23 Ma seafloor of the Cocos Plate: Chemical constraints and implications
[1] Systematic variations in pore water chemical and thermal profiles from sediment gravity cores indicate the presence of a ‘‘cool’’ (10–20 C) ridge-flank hydrothermal system within basement surrounding Dorado outcrop, a small basaltic edifice on 23 Ma seafloor of the Cocos Plate. Dorado outcrop is located within a 14,500-km region of cool seafloor, where 60–90% of the lithospheric heat is rem...
متن کاملHydrothermal circulation within topographically rough basaltic basement on the Juan de Fuca Ridge flank
[1] We use coupled heat and mass transport models to investigate the basement permeability distribution and hydrothermal circulation patterns in an area with large basement relief below flat seafloor on the eastern flank of the Juan de Fuca Ridge. If heat transport around Ocean Drilling Program Sites 1026 and 1027 were purely conductive, the top of basement at Site 1027 (below 600 m of sediment...
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An experimental study was carried out to obtain the mean convective heat transfer coefficient of aqueous carboximethyl cellulose (CMC) solutions in double-pipe heat <span style="font-size: 10pt; color:...
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ژورنال
عنوان ژورنال: Geochemistry, Geophysics, Geosystems
سال: 2004
ISSN: 1525-2027
DOI: 10.1029/2004gc000700