dioriten.
/ˈdʌɪərʌɪt/, U.S. /ˈdaɪəˌraɪt/ Mineralogy.attributive.1877 A. B. Edwards Thousand Miles up Nile xxii. 709 The magnificent diorite statue of Shafra, the builder of the Second Pyramid.1890 Goldfields of Victoria 17 The stone..running through a diorite dyke.
A variety of greenstone n., consisting of hornblende combined with a triclinic feldspar (albite or oligoclase).
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > plutonic rocks > greenstone > varieties of
mulatto1816
hornblende rock1821
diorite1826
hypersthene rock1838
hypersthenite1849
norite1853
aphanite1863
hyperite1863
1826 W. Phillips Outl. Mineral. & Geol. (ed. 4) 151 The Diabase, Diorite, and Amphibolite of French authors, seems to include both Greenstone and Hornblende rock.
1858 A. Geikie Story of Boulder xii. 239 Hornblendic green-stones, or diorites.
1865 J. Lubbock Prehist. Times (1869) vi. 182 The axe was pre-eminently the implement of antiquity... Serpentine and diorite were the principal materials.
This entry has not yet been fully updated (first published 1896; most recently modified version published online March 2022).
<
n.1826