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- Title
Heat shielding effects in the Earth's crust.
- Authors
Xu, Yixian; Zhu, Lupei; Wang, Qinyan; Luo, Yinhe; Xia, Jianghai
- Abstract
Knowledge of heat flow and associated variations of temperature with depth is crucial for understanding how the Earth functions. Here, we demonstrate possible heat shielding effects that result from the occurrence of mafic intrusions/layers (granulitic rocks) within a dominantly granitic middle crust and/or ultramafic intrusions/layers (peridotitic rocks) within a dominantly granulitic lower crust; heat shielding is a familiar phenomenon in heat engineering and thermal metamaterials. Simple one-dimensional calculations suggest that heat shielding due to the intercalation of granitic, granulitic and peridotitic rocks will increase Moho temperatures substantially. This study may lead to a rethinking of numerous proposed lower crustal processes.
- Subjects
HEAT losses; HEAT transfer; THERMAL shielding; COMBUSTION; THERMOCHEMISTRY
- Publication
Journal of Earth Science, 2017, Vol 28, Issue 1, p161
- ISSN
1674-487X
- Publication type
Article
- DOI
10.1007/s12583-017-0744-6