| Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | multiplicity of one or more lattice parameters. The term subgroup is used when many species exhibit Descriptions...Canada Mexico Central America and the Caribbean Greenland Iceland European countries, from west to east...district, ID; Keno Hill, YT, Canada; Ilimaussaq, Greenland; Langban(*), Varmland, Sweden (crystallized masses...The most important occurrence is on Disko Is., Greenland, where masses of up to 20 tons are present in...Josephine Co., OR; Fraser R., BC, and Muskox intrusion, NWT, Canada; in many serpentinites in the European | | | Book | other rare earths (Nd, Pr, Er, Tb) of the yttrium subgroup, especially Er, are also usually present. Some...other rare-earth elements including those of the Y subgroup, and Na also replace Ca; some Ti, Be, and Fe2+...contain some Ca, which is largely exsolved as clinopyroxene in intrusive CE ree (Bushveld and Stillwater...turn surrounded by a shell of amphibole or clinopyroxene. In diabases hypersthene may be overgrown on...hypersthene. One, two, or even three sets of clinopyroxene lamellae may be present. This results in a finely |
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