The coating is not absorbed by freshly manufactured roofing because micas platy structure is unaffected by the acid in asphalt or by weather conditions.
The erosion was irregular, however; some locations were unaffected, while others experienced greater losses, despite that the two locations were similar.
In a study of electroconvulsive shock therapy patients, memories formed at least four years prior to treatment were unaffected, while more recent ones were impaired.
