| 释义 |
sparagmite Geol.|ˈspærəgmaɪt|
[ad. G. sparagmit (J. Esmark Reise von Christiania nach Drontheim, etc. (1829) 25), f. Gr. σπάραγµα fragment, piece torn off: see -ite1.]
A generic term for the feldspathic sandstones (chiefly arkoses), conglomerates, and other fragmental rocks which occur in late Pre-Cambrian formations in Scandinavia.
[1866Geol. Mag. III. 384 (table) ‘Spragmitic’ strata— conglomerates, Schists, Dolomitic beds.] 1882A. Geikie Text-bk. Geol. 657 In central and northern Norway the Archæan gneiss is overlaid by reddish and grey sandstones and conglomerates (Sparagmite), with schists, quartzites, and limestones. 1930Peach & Horne Geol. Scotland iii. 72 The Sparagmite of Scandinavia is an arkose resembling the dominant type of the Torridon Sandstone. 1979Nature 25 Jan. 290/1 Micaceous meta⁓arkoses (sparagmites) have, in places, a basal conglomerate resting unconformably on the Basal gneisses. |