The thermal history of the Manicouagan Impact Melt Sheet, Quebec
| Autor: | C. H. Simonds, P. I. K. Onorato, Donald R. Uhlmann |
|---|---|
| Rok vydání: | 1978 |
| Předmět: |
Atmospheric Science
Thermodynamic equilibrium Soil Science Mineralogy Aquatic Science Oceanography law.invention chemistry.chemical_compound Geochemistry and Petrology law Thermal Earth and Planetary Sciences (miscellaneous) Crystallization Dissolution Earth-Surface Processes Water Science and Technology Ecology Paleontology Forestry Debris Silicate Superheating Geophysics chemistry Space and Planetary Science Heat transfer Geology |
| Zdroj: | Journal of Geophysical Research. 83:2789 |
| ISSN: | 0148-0227 |
| DOI: | 10.1029/jb083ib06p02789 |
| Popis: | Calculations for the heat transfer between superheated silicate melt and evenly dispersed 1-mm cold clasts indicate that most of the thermal gradients are smoothed out in 100 s and that the rate of equilibrium is sufficiently high so that clasts whose dissolution in the melt is slow may be preserved. The calculations also show the extent to which cold debris and clasts are melted. Calculations for cooling of the 200-m-thick melt sheet at Manicouagan suggest that complete crystallization takes 35 years at 10 m from the edge and 1600 years at the center. |
| Databáze: | OpenAIRE |
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