TY  - RPRT
TI  - Mantle xenocrysts from the Masontown, Pennsylvania (USA) kimberlite: An ordinary mantle with Si-enriched spinels
AU  - D.J. Schulze
AU  - B. Carter Hearn
UR  - https://pubs.usgs.gov/publication/70206320
ID  - 70206320
ER  -