Wilshire, H.G., and J.W. Shervais. 1973. “Al-Augite and Cr-Diopside Ultramafic Xenoliths in Basaltic Rocks from Western United States: Structural and Textural Relationships”. International Kimberlite Conference: Extended Abstracts 1 (August):321-24. https://doi.org/10.29173/ikc918.