Abstract
Oceanic crust formed along the global network of ocean ridge spreading centers is exposed to significant interaction with circulating seawater. This chemical exchange between fluid and rock that proceeds from sub-magmatic to ambient seawater temperatures significantly changes the rock and fluid compositions. Here we review the current state of knowledge on the diversity of alteration processes taking place in the ocean crust and upper mantle, from fast to ultra-slow spreading ocean ridges. We highlight the impact of ocean floor alteration on the mineralogical, chemical and physical properties of the oceanic lithosphere, the global element cycle and ocean water chemistry.
| Original language | English |
|---|---|
| Title of host publication | Treatise on Geochemistry |
| Publisher | Science Direct (Elsevier) |
| Pages | 1-37 |
| Volume | 2 |
| Edition | 3rd |
| ISBN (Electronic) | 978-0-323-99763-8 |
| ISBN (Print) | 9780323997621 |
| DOIs | |
| Publication status | Published - 1 Jan 2025 |
Publication series
| Name | Treatise of Geochemistry |
|---|
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 14 Life Below Water
ASJC Scopus subject areas
- General Earth and Planetary Sciences
Keywords
- Fluid-rock interaction
- Geochemical cycles
- Hydrothermal alteration
- International Ocean Discovery Program IODP
- Metasomatism
- Mid-ocean ridges
- Ocean crust
- Oceanic core complexes
- Petrophysical changes
- Scientific drilling
- Serpentinization
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