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| DOI | 10.1029/2020JB021451 |
| Reaction-Induced Fracturing: When Chemistry Breaks Rocks | |
| Renard F. | |
| 发表日期 | 2021 |
| ISSN | 21699313 |
| 卷号 | 126期号:2 |
| 英文摘要 | Reaction-induced fracturing occurs when fluid-rock interactions lead to the growth of a mineral phase that produces a volume increase, which perturbs the stress field and can cause fracturing in the surrounding rock. This process may occur with a positive feedback loop because, as more fractures are formed, more water can infiltrate the pore space, enhancing the kinetics of reaction. Yoshida et al. (2020, https://doi.org/10.1029/2020JB020268) have studied and modeled reaction-induced fracturing in oceanic rocks collected during the Oman Drilling Project. These rocks have been intensively hydrated by a process called serpentinization, which has profound geodynamic implications. The authors couple detailed microstructural observations and numerical modeling of reaction-induced fracturing that incorporates permeability evolution. Building on the outcomes of their study, I discuss here the current knowledge of the reaction-induced fracturing process, in which chemical forces control rock fracture in various geological environments. Based on recent experimental results and molecular dynamics simulations, I discuss the conditions under which reaction-induced fracturing may either self-amplify or slow down and even stop. © 2021. The Authors. |
| 英文关键词 | fracture; mechano-chemical coupling; reaction-induced fracturing; serpentine |
| 语种 | 英语 |
| 来源期刊 | Journal of Geophysical Research: Solid Earth
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/187367 |
| 作者单位 | Department of Geosciences, Physics of Geological Processes, The Njord Centre, University of Oslo, Oslo, Norway; University Grenoble Alpes, University Savoie Mont Blanc, CNRS, IRD, IFSTTAR, ISTerre, Grenoble, France |
| 推荐引用方式 GB/T 7714 | Renard F.. Reaction-Induced Fracturing: When Chemistry Breaks Rocks[J],2021,126(2). |
| APA | Renard F..(2021).Reaction-Induced Fracturing: When Chemistry Breaks Rocks.Journal of Geophysical Research: Solid Earth,126(2). |
| MLA | Renard F.."Reaction-Induced Fracturing: When Chemistry Breaks Rocks".Journal of Geophysical Research: Solid Earth 126.2(2021). |
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