Origin of spongy cherts
Journal of Research of the U.S. Geological Survey
By: Beth M. Madsen
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Abstract
The spongy-textured surface in some cherts, visible on electron micrographs, is inherited from authigenic cristobalite. Spongy bedded cherts were originally bedded porcelanites similar to the porcelanite in the Miocene Monterey Formation of California.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Origin of spongy cherts |
| Series title | Journal of Research of the U.S. Geological Survey |
| Volume | 2 |
| Issue | 6 |
| Year Published | 1974 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, VA |
| Description | 3 p. |
| First page | 685 |
| Last page | 687 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |