Thomson, Jennifer A. Relationships of coticule geochemistry to stratigraphy in the Perry Mountain and Megunticook formations, New England Appalachians - Toronto, ON Mineralogical Association of Canada August 2001 - pp. 1021-1037 ilus., tbls. ISSN: 0008-4476 Subjects--Topical Terms: ESTRATIGRAFÍAGEOQUÍMICAGRANATETIERRAS RARAS Subjects--Geographic Terms: APALACHESESTADOS UNIDOSMAINE