Miscellaneous
Porritt L, Quane S., Russell JK,. 2011.
Pele’s tears and spheres. Cas R.AF, Porritt L, Pittari A., Hayman P.C, Foley S.F, Aulbach S, Brey G., Gruetter HS, Hoefer HE, Jacob D. et al.. 2009.
A practical guide to terminology for kimberlite facies; a systematic progression from descriptive to genetic, including a pocket guide. Russell JK, Edwards B.R, Porritt L,. 2012.
Pyroclastic passage zones. Pages