clinopyroxene

Noun

clinopyroxene (countable and uncountable, plural clinopyroxenes)

1. Any pyroxene that has a monoclinic crystal structure.
   • It is well illustrated and it is good to see photographs of macrofauna and microflora of the Cambrian rocks of St Tudwal’s Peninsula; thin section photomicrographs, for example the glomeroporphyritic cluster of andesine and augitic clinopyroxene within the Bryn Crin Basaltic Trachyandesite (Plate...2003, “Book Reviews: British Geological Survey Publications”, in M. R. D. Seaward, editor, The Naturalist, volume 128, number 1044, Yorkshire Naturalists’ Union, page 118
   • Abundant phenocrysts and glomerocrysts of altered olivine and fresh clinopyroxene, up to 2 mm across, occur with sporadic microphenocrysts of opaque iron oxide and alkali feldspar (Figure 3.1). The olivine is replaced by carbonate and clay. Euhedral clinopyroxenes are sometimes partially resorbed...2007, F. L. Sutherland et al., “Unusual Baryte-bearing Hybrid Basalt, Bourke-Byrock Area, Northern New South Wales”, in Journal and Proceedings of the Royal Society of New South Wales, volume 140...