Analysis and Paragenetic History of Anthraxolite in Ordovician Slate, Eastern Pennsylvania

Geology of the Stroudsburg quadrangle and Adjacent areas, Pennsylvania--New Jersey

“…However, the contention that the dominant mica is n illite ri (presumably 1M muscovite) is shown to be suspect. Further evidence for metamorphism in the Martinsburg is the occurrence of anthraxolite which Stevens (1966) showed is a metamorphic product, although he believed that the metamorphism occurred during the Taconic orogeny.…”

“…The idea that the Martinsburg was severely cleaved during the Taconic orogeny led Stevens (1966) This proposed sequence is only a suggestion gleaned from the field data. Probably all events overlapped to some degree, and the order may have varied depending on local stress conditions.…”