Mg-rich Calcite from North America Plate
Canada | |
| GEOLOGY January 1977 v. 5 no. 1 p. 11-15 |
USA | |
| Garvie, L.A.J. (2016): Mineralogy of paloverde (Parkinsonia microphylla) tree ash from the Sonoran Desert: A combined field and laboratory study. American Mineralogist: 101 : 1584-1595 (n.d.) |
| Meteoritics & Planetary Science 40, Nr 4, 1–crossref to last page (2005) http://www.unm.edu/~abreu/NAbreu.pdf |
Hamilton, Hancock County, Illinois, USA