Coesite and Shocked Quartz from Holleford Crater, Ontario, Canada
- 18 October 1963
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 142 (3590) , 379-381
- https://doi.org/10.1126/science.142.3590.379
Abstract
The Holleford Crater, a circular depression in southern Ontario, is filled with Paleozoic sediments and underlain by brecciated Precambrian igneous and metamorphic rocks. The presence of coesite in two core samples of this breccia has been established by petrographic and x-ray diffraction methods. Shattered quartz in the coesite-bearing samples exhibits planar fractures. The shocked quartz is the result of great shock pressures and the association of coesite with the shocked quartz strongly suggests that Holleford Crater originated from a hypervelocity impact.Keywords
This publication has 3 references indexed in Scilit:
- Experimental deformation of quartz single crystals at 27 to 30 kilobars confining pressure and 24 degrees CAmerican Journal of Science, 1964
- The quartz-coesite transitionJournal of Geophysical Research, 1960
- A probable meteorite crater of Precambrian age at Holleford, OntarioPublished by Natural Resources Canada/CMSS/Information Management ,1960